[CentOS] Fwd: centos Wireless - Broadcom BCM4313

[Johan Vermeulen]

Dear All,

I'm trying to configure wireless card on a Dell Vostro 1540.

I had a look at this site : 
http://wiki.centos.org/HowTos/Laptops/Wireless/Broadcom?action=show

wireless card :# /sbin/lspci | grep Broadcom
12:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless 
LAN Controller (rev 01)

I decided to follow the ELrepo instructions suggested on the site :

   http://elrepo.org/tiki/wl-kmod

because it would give me a clear and present rpm that I can use on different 
machines and that will survive kernel updates.

This all goes down without error messages.

After installing, there is a new entry in 
/etc/udev/rules.d/70-persistent-net.rules :

# PCI device 0x14e4:0x4727 (wl)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
ATTR{address}=="94:39:e5:dc:3a:cf", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

and there is now a blacklist-Broadcom.conf in /etc/modprobe.d/:

blacklist b43
blacklist b43legacy
blacklist bcm43xx
blacklist ssb

So I think the driver works and the blacklist - issue that is reported on 
different sites is ok.

I then made an entry in /etc/sysconfig/network-scripts:

vi ifcfg-eth1

DEVICE="eth1"
#BOOTPROTO="dhcp"
HWADDR="94:39:e5:dc:3a:cf"
NM_CONTROLLED="yes"
ONBOOT="yes"
TYPE=Wireless

*The problem is*  I'm not seeing any wireless networks.

Eth1 seems to try to get an adress via dhcp and then exits.

And it is listed in the gui as wired network...

[root@wduerloo ~]# dmesg | tail -n15
lib80211: common routines for IEEE802.11 drivers
lib80211_crypt: registered algorithm 'NULL'
wl: module license 'unspecified' taints kernel.
Disabling lock debugging due to kernel taint
wl :12:00.0: PCI INT A ->  GSI 17 (level, low) ->  IRQ 17
wl :12:00.0: setting latency timer to 64
lib80211_crypt: registered algorithm 'TKIP'
eth1: Broadcom BCM4727 802.11 Hybrid Wireless Controller 5.100.82.112
eth1: no IPv6 routers present
eth1: no IPv6 routers present
eth1: no IPv6 routers present
eth1: no IPv6 routers present
eth1: no IPv6 routers present

on restarting network manager this is in /var/log/messages :

Nov  8 07:45:54 wduerloo dhclient[11719]: DHCPDISCOVER on eth1 to 
255.255.255.255 port 67 interval 6 (xid=0x3c613d0e)
Nov  8 07:46:00 wduerloo dhclient[11719]: DHCPDISCOVER on eth1 to 
255.255.255.255 port 67 interval 12 (xid=0x3c613d0e)
Nov  8 07:46:12 wduerloo dhclient[11719]: DHCPDISCOVER on eth1 to 
255.255.255.255 port 67 interval 14 (xid=0x3c613d0e)
Nov  8 07:46:26 wduerloo dhclient[11719]: DHCPDISCOVER on eth1 to 
255.255.255.255 port 67 interval 12 (xid=0x3c613d0e)
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  (eth1): DHCPv4 request 
timed out.
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  (eth1): canceled DHCP 
transaction, DHCP client pid 11719
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Activation (eth1) Stage 
4 of 5 (IP4 Configure Timeout) scheduled...
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Activation (eth1) Stage 
4 of 5 (IP4 Configure Timeout) started...
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Activation (eth1) Stage 
5 of 5 (IP Configure Commit) scheduled...
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Activation (eth1) Stage 
4 of 5 (IP4 Configure Timeout) complete.
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Activation (eth1) Stage 
5 of 5 (IP Configure Commit) started...
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Activation (eth1) Stage 
5 of 5 (IP Configure Commit) failed (no IP configuration found)
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  (eth1): device state 
change: 7 ->  9 (reason 5)
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Marking connection 'Auto 
eth1' invalid.
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Activation (eth1) failed.
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  Activation (eth1) Stage 
5 of 5 (IP Configure Commit) complete.
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  (eth1): device state 
change: 9 ->  3 (reason 0)
Nov  8 07:46:33 wduerloo NetworkManager[11711]:  (eth1): deactivating 
device (reason: 0).

I think I need  to configure something else.

I know a lot of you guys don't like NetworkManager but because it's a laptop I 
would like to use it.

I hope I gave enough info, any help would be greatly appreciated.

greetings, James.

Centos is here to stay, I'm sure.

P.S. I don't have an English spell checker on this machine, sorry for language 
mistakes :=)









Johan Vermeulen
IT-medewerker
Caw De Kempen
johan.vermeu...@cawdekempen.be
0479.82.01.41

Opensource Software is the future.



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[CentOS] CentOS 6 Active Directory 2008 R2 kickstart

[James A. Peltier]

Hi All,

Anyone have a working CentOS 6 kickstart file that they are using to bind a 
host to Active Directory 2008 R2?  I'm working on a full AD/Linux environment 
and would like to stand on the shoulders of others if they are already doing 
such a thing.  I'm thinking I need to enable LDAP and Kerberos, although 
Winbind might also be the key here.

The config will ideally get the UID and GID from the AD UNIX Attributes tab and 
not some random UID/GID hash.



-- 
James A. Peltier
IT Services - Research Computing Group
Simon Fraser University - Burnaby Campus
Phone   : 778-782-6573
Fax : 778-782-3045
E-Mail  : jpelt...@sfu.ca
Website : http://www.sfu.ca/itservices
  http://blogs.sfu.ca/people/jpeltier
I will do the best I can with the talent I have

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Re: [CentOS] redhat vs centos

[Trey Dockendorf]

On Mon, Nov 7, 2011 at 8:38 PM, Marko Vojinovic  wrote:

> On Monday 07 November 2011 22:23:09 Reindl Harald wrote:
> > Am 07.11.2011 22:50, schrieb Marko Vojinovic:
> > > Typically, you have no way of knowing the physical structure of the
> > > "cloud machine" where your virtual machine is being hosted. Also, this
> > > structure may even change over time due to upgrades of the cloud
> > > hardware (by the cloud provider). You wouldn't even know about it.
> >
> > again:
> >
> > the physical structure does not matter
> > you pay for virtaul CPUs as you do also for virtual appliances
> > of some vendors where you can get a license with 2 vCPUs or
> > 4 vCPUs - independent if you have your own hardware or using
> > any hsoting service
> >
> > what is there so difficulty to understand?
>
> Well, what I don't understand is how many vCPU's are equal to one socket.
>
> Or, to be explicit, let me invent an example: suppose that I have leased
> virtual hardware from some 3rd party, and have obtained a virtual machine
> with
> 6 vCPU's. I want to buy RHEL licences to install on that machine. AFAIK, RH
> counts licences in sockets. How many licences should I buy? Or, iow, how
> many
> sockets is equal to 6 vCPU's?
>
> Does RH have a formula for the number of sockets as a function of the
> number
> of  vCPU's (and vice versa)?
>
> Best, :-)
> Marko
>
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Socket != vCPU.  There is no need for a formula.  The licensing is done
based on the hosting hardware.  That does not mean it has to be a RHEL
hypervisor.  When I got my quotes it was to put 4 guests on a 2-socket
VMware ESXi server.  That would be a single license for 2-socket w/ 4
guests.  That wouldn't change no matter how many vCPUs I used.  It's much
easier to ensure license compliance on the hosting hardware than on
something as dynamic as the vCPU count.

I'd recommend contacting Red Hat to get a definitive answer as I am basing
what I know on my talks with my campus' Red Hat rep several months ago.

- Trey
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Re: [CentOS] redhat vs centos

[Marko Vojinovic]

On Monday 07 November 2011 22:23:09 Reindl Harald wrote:
> Am 07.11.2011 22:50, schrieb Marko Vojinovic:
> > Typically, you have no way of knowing the physical structure of the
> > "cloud machine" where your virtual machine is being hosted. Also, this
> > structure may even change over time due to upgrades of the cloud
> > hardware (by the cloud provider). You wouldn't even know about it.
> 
> again:
> 
> the physical structure does not matter
> you pay for virtaul CPUs as you do also for virtual appliances
> of some vendors where you can get a license with 2 vCPUs or
> 4 vCPUs - independent if you have your own hardware or using
> any hsoting service
> 
> what is there so difficulty to understand?

Well, what I don't understand is how many vCPU's are equal to one socket.

Or, to be explicit, let me invent an example: suppose that I have leased 
virtual hardware from some 3rd party, and have obtained a virtual machine with
6 vCPU's. I want to buy RHEL licences to install on that machine. AFAIK, RH 
counts licences in sockets. How many licences should I buy? Or, iow, how many 
sockets is equal to 6 vCPU's?

Does RH have a formula for the number of sockets as a function of the number 
of  vCPU's (and vice versa)?

Best, :-)
Marko

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Re: [CentOS] redhat vs centos

[John Beranek]

On 07/11/2011 22:23, Reindl Harald wrote:
> 
> 
> Am 07.11.2011 22:50, schrieb Marko Vojinovic:
>> Typically, you have no way of knowing the physical structure of
>> the "cloud machine" where your virtual machine is being hosted.
>> Also, this structure may even change over time due to upgrades of
>> the cloud hardware (by the cloud provider). You wouldn't even
>> know about it.
> 
> again:
> 
> the physical structure does not matter you pay for virtaul CPUs as
> you do also for virtual appliances of some vendors where you can
> get a license with 2 vCPUs or 4 vCPUs - independent if you have
> your own hardware or using any hsoting service
> 
> what is there so difficulty to understand?

The difficulty in understanding is that RHEL licensing is quoted
solely on *SOCKETS*. My VMs don't have sockets! What is difficult to
understand there!?

John.

-- 
John Beranek To generalise is to be an idiot.
http://redux.org.uk/ -- William Blake

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Re: [CentOS] redhat vs centos

[John Beranek]

On 07/11/2011 18:57, John R Pierce wrote:
> On 11/07/11 9:36 AM, John Beranek wrote:
>> Still doesn't answer how many sockets you're using if you have a RHEL
>> 5/6 guest VM with 2 (or 4) virtual VMware processors...
> 
> can you even run another VM hypervisor under vmware?!?

I don't understand why people think I want to install another hypervisor
in our VMware cluster.

I want to _run a RHEL box in a VMware cluster_. I can't understand the
licensing model of RHEL because a VM doesn't have a "socket".

John.

-- 
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http://redux.org.uk/ -- William Blake

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Re: [CentOS] redhat vs centos

[Reindl Harald]

Am 07.11.2011 22:50, schrieb Marko Vojinovic:
> Typically, you have no way of knowing the physical structure of the "cloud 
> machine" where your virtual machine is being hosted. Also, this structure may 
> even change over time due to upgrades of the cloud hardware (by the cloud 
> provider). You wouldn't even know about it.

again:

the physical structure does not matter
you pay for virtaul CPUs as you do also for virtual appliances
of some vendors where you can get a license with 2 vCPUs or
4 vCPUs - independent if you have your own hardware or using
any hsoting service

what is there so difficulty to understand?





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Re: [CentOS] redhat vs centos

[Marko Vojinovic]

On Monday 07 November 2011 20:13:58 Trey Dockendorf wrote:
> On Mon, Nov 7, 2011 at 10:42 AM, John Beranek  wrote:
> > On 02/11/2011 10:31, Patrick Lists wrote:
> > > On 11/02/2011 11:02 AM, Tony Mountifield wrote:
> > >> What is a "socket" in their pricing model? The word can mean so many
> > >> different things...
> > > 
> > > Afaik it refers to a physical cpu socket. So they count actual cpu's,
> > > not the amount of cores in each cpu.
> > 
> > I was just asking myself this very question the other day, and I
> > couldn't determine how many sockets you are using if you use, say, 2
> > _virtual_ processors.
> 
> The sockets refers to the literal, physical CPUs.  Virtual CPUs (for
> guests) or cores do not count.  Unless your running some kind of mainframe
> you will likely have a server with anywhere from 1-2 sockets.  My
> understanding of the licensing is that you pay for the
> host/hypervisor/machine to have RHEL, plus however many guests the license
> includes.  So 4 or unlimited.

I think John was asking about the scenario where you *do* *not* have any 
physical hardware, like deploying RHEL on someone else's virtual environment 
(think cloud computing). So you sign up for a virtual machine with, say, 16 
cores and your provider assigns you virtual hardware according to your spec. 
How would you count "sockets" on that?

Typically, you have no way of knowing the physical structure of the "cloud 
machine" where your virtual machine is being hosted. Also, this structure may 
even change over time due to upgrades of the cloud hardware (by the cloud 
provider). You wouldn't even know about it.

How many RHEL licences would you need to buy for such a virtual system?

Best, :-)
Marko


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Re: [CentOS] redhat vs centos

[m . roth]

Trey Dockendorf wrote:
> On Mon, Nov 7, 2011 at 2:29 PM,  wrote:
>> Trey Dockendorf wrote:
>> > On Mon, Nov 7, 2011 at 10:42 AM, John Beranek 
>> wrote:
>> >> On 02/11/2011 10:31, Patrick Lists wrote:
>> >> > On 11/02/2011 11:02 AM, Tony Mountifield wrote:
>> >> >> What is a "socket" in their pricing model? The word can mean so
>> >> >> many different things...
>> >> >
>> >> > Afaik it refers to a physical cpu socket. So they count actual
>> >> > cpu's, not the amount of cores in each cpu.
>> >>
>> > The sockets refers to the literal, physical CPUs.  Virtual CPUs (for
>> > guests) or cores do not count.  Unless your running some kind of
>> > mainframe
>> > you will likely have a server with anywhere from 1-2 sockets.  My
>> > understanding of the licensing is that you pay for the
>> > host/hypervisor/machine to have RHEL, plus however many guests the
>> > license includes.  So 4 or unlimited.
>> 
>> Heh. Depends on where you work: we've been getting in servers with 4,
>> like the Dell PE 810, and some Penguins we've got, and I think the
>> new ones (haven't opened any up) have more.
>
>  .  That is very true.  Your organization must also value Linux.
>  Mine doesn't and is poor.  State funded University :-/.

*snarl* Cut funding to public colleges, we don't need no steenkin' po'
kids getting an education and uppity

Sorry, I feel very strongly about that.

For the moment, we have the money; what happens in a few weeks, that could
well be another story, but we do *serious* scientific computing.

 mark, speaking only for himself, not his employer, a US federal
contractor, nor for the US gov't Dept he works at

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Re: [CentOS] SELinux and SETroubleshootd woes in CR

[Daniel J Walsh]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 11/07/2011 04:29 PM, Trey Dockendorf wrote:
> 
> 
> On Mon, Nov 7, 2011 at 3:02 PM, Daniel J Walsh  > wrote:
> 
> On 11/07/2011 03:23 PM, Trey Dockendorf wrote:
> 
> 
>> On Wed, Nov 2, 2011 at 8:54 AM, Daniel J Walsh
>>  
>> >> wrote:
> 
>> On 11/01/2011 09:12 PM, Trey Dockendorf wrote:
> 
>>> Do you have the
> 
> 
>>> allow_httpd_mod_auth_pam
> 
>>> boolean turned on?
> 
> 
>>> 
> 
> 
> 
> 
>> Sorry for the late reply...
> 
>> I've disabled the dontaudits for now, hopefully that may shed
>> some light on this.
> 
>> Are there any other methods to debug or troubleshoot 
>> setroubleshootd? Or even to verify it's working?  I'd like to
>> rule out that the CR update is the culprit to this no longer
>> sending emails on denials.
> 
>> I also can't seem to get the sealert GUI to work over X11 
>> forwarding. --- $ sealert -b -V 2011-11-07 14:20:57,507 
>> [dbus.ERROR] could not start dbus: 
>> org.freedesktop.DBus.Error.Spawn.ExecFailed: /bin/dbus-launch 
>> terminated abnormally without any error message
> 
> 
>> The text version seems to work fine though.  However I would
>> really like the alerts via email as I begin to leave SELinux
>> enabled on all new servers I provision, and force myself to learn
>> this.
> 
>> Thanks - Trey
> 
> grep email /etc/setroubleshoot/setroubleshoot.conf
> 
> 
> This configuration is on my KVM server which is almost static...the
> host I began noticing this on has the same results from that
> command...
> 
> # grep email /etc/setroubleshoot/setroubleshoot.cfg [email] #
> recipients_filepath: Path name of file with email recipients. One
> address recipients_filepath =
> /var/lib/setroubleshoot/email_alert_recipients # from_address: The
> From: email header # subject: The Subject: email header #
> categories is: [rpc, xml, cfg, alert, sig, plugin, avc, email,
> gui, # categories is: [rpc, xml, cfg, alert, sig, plugin, avc,
> email, gui,
> 

Sorry, I was trying to indicate that you can modify this file to setup
setroubleshoot to send mail.
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAk64UZsACgkQrlYvE4MpobO6ugCg043lNaaA2oV9wyEJIpcqTxk/
NVcAnjCrXjXins6VVONeCaxwYX9hnGtd
=j+J+
-END PGP SIGNATURE-
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Re: [CentOS] redhat vs centos

[Trey Dockendorf]

On Mon, Nov 7, 2011 at 2:29 PM,  wrote:

> Trey Dockendorf wrote:
> > On Mon, Nov 7, 2011 at 10:42 AM, John Beranek  wrote:
> >> On 02/11/2011 10:31, Patrick Lists wrote:
> >> > On 11/02/2011 11:02 AM, Tony Mountifield wrote:
> >> >> What is a "socket" in their pricing model? The word can mean so many
> >> >> different things...
> >> >
> >> > Afaik it refers to a physical cpu socket. So they count actual cpu's,
> >> > not the amount of cores in each cpu.
> >>
> > The sockets refers to the literal, physical CPUs.  Virtual CPUs (for
> > guests) or cores do not count.  Unless your running some kind of
> mainframe
> > you will likely have a server with anywhere from 1-2 sockets.  My
> > understanding of the licensing is that you pay for the
> > host/hypervisor/machine to have RHEL, plus however many guests the
> license
> > includes.  So 4 or unlimited.
> 
> Heh. Depends on where you work: we've been getting in servers with 4, like
> the Dell PE 810, and some Penguins we've got, and I think the new ones
> (haven't opened any up) have more.
>
>mark
>
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>

 .  That is very true.  Your organization must also value Linux.
 Mine doesn't and is poor.  State funded University :-/.


- Trey
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Re: [CentOS] SELinux and SETroubleshootd woes in CR

[Trey Dockendorf]

On Mon, Nov 7, 2011 at 3:02 PM, Daniel J Walsh  wrote:

> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> On 11/07/2011 03:23 PM, Trey Dockendorf wrote:
> >
> >
> > On Wed, Nov 2, 2011 at 8:54 AM, Daniel J Walsh  > > wrote:
> >
> > On 11/01/2011 09:12 PM, Trey Dockendorf wrote:
> >
> >> Do you have the
> >
> >
> >> allow_httpd_mod_auth_pam
> >
> >> boolean turned on?
> >
> >
> >>
>
> >
> >
> >
> > Sorry for the late reply...
> >
> > I've disabled the dontaudits for now, hopefully that may shed some
> > light on this.
> >
> > Are there any other methods to debug or troubleshoot
> > setroubleshootd? Or even to verify it's working?  I'd like to rule
> > out that the CR update is the culprit to this no longer sending
> > emails on denials.
> >
> > I also can't seem to get the sealert GUI to work over X11
> > forwarding. --- $ sealert -b -V 2011-11-07 14:20:57,507
> > [dbus.ERROR] could not start dbus:
> > org.freedesktop.DBus.Error.Spawn.ExecFailed: /bin/dbus-launch
> > terminated abnormally without any error message
> >
> >
> > The text version seems to work fine though.  However I would really
> > like the alerts via email as I begin to leave SELinux enabled on
> > all new servers I provision, and force myself to learn this.
> >
> > Thanks - Trey
>
>  grep email /etc/setroubleshoot/setroubleshoot.conf
> -BEGIN PGP SIGNATURE-
> Version: GnuPG v1.4.11 (GNU/Linux)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
>
> iEYEARECAAYFAk64R1AACgkQrlYvE4MpobMflwCgu1xX/ns76ypnuBkI0CUmOTZE
> W4gAnjey2F71uNUTN8b9jacOu1CXpuLL
> =lF+c
> -END PGP SIGNATURE-
>

This configuration is on my KVM server which is almost static...the host I
began noticing this on has the same results from that command...

# grep email /etc/setroubleshoot/setroubleshoot.cfg
[email]
# recipients_filepath: Path name of file with email recipients. One address
recipients_filepath = /var/lib/setroubleshoot/email_alert_recipients
# from_address: The From: email header
# subject: The Subject: email header
# categories is: [rpc, xml, cfg, alert, sig, plugin, avc, email, gui,
# categories is: [rpc, xml, cfg, alert, sig, plugin, avc, email, gui,
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Re: [CentOS] SELinux and SETroubleshootd woes in CR

[Daniel J Walsh]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 11/07/2011 03:23 PM, Trey Dockendorf wrote:
> 
> 
> On Wed, Nov 2, 2011 at 8:54 AM, Daniel J Walsh  > wrote:
> 
> On 11/01/2011 09:12 PM, Trey Dockendorf wrote:
> 
>> Do you have the
> 
> 
>> allow_httpd_mod_auth_pam
> 
>> boolean turned on?
> 
> 
>> 

> 
> 
> 
> Sorry for the late reply...
> 
> I've disabled the dontaudits for now, hopefully that may shed some
> light on this.
> 
> Are there any other methods to debug or troubleshoot
> setroubleshootd? Or even to verify it's working?  I'd like to rule
> out that the CR update is the culprit to this no longer sending
> emails on denials.
> 
> I also can't seem to get the sealert GUI to work over X11
> forwarding. --- $ sealert -b -V 2011-11-07 14:20:57,507
> [dbus.ERROR] could not start dbus: 
> org.freedesktop.DBus.Error.Spawn.ExecFailed: /bin/dbus-launch
> terminated abnormally without any error message
> 
> 
> The text version seems to work fine though.  However I would really
> like the alerts via email as I begin to leave SELinux enabled on
> all new servers I provision, and force myself to learn this.
> 
> Thanks - Trey

 grep email /etc/setroubleshoot/setroubleshoot.conf
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAk64R1AACgkQrlYvE4MpobMflwCgu1xX/ns76ypnuBkI0CUmOTZE
W4gAnjey2F71uNUTN8b9jacOu1CXpuLL
=lF+c
-END PGP SIGNATURE-
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Re: [CentOS] redhat vs centos

[m . roth]

Trey Dockendorf wrote:
> On Mon, Nov 7, 2011 at 10:42 AM, John Beranek  wrote:
>> On 02/11/2011 10:31, Patrick Lists wrote:
>> > On 11/02/2011 11:02 AM, Tony Mountifield wrote:
>> >> What is a "socket" in their pricing model? The word can mean so many
>> >> different things...
>> >
>> > Afaik it refers to a physical cpu socket. So they count actual cpu's,
>> > not the amount of cores in each cpu.
>>
> The sockets refers to the literal, physical CPUs.  Virtual CPUs (for
> guests) or cores do not count.  Unless your running some kind of mainframe
> you will likely have a server with anywhere from 1-2 sockets.  My
> understanding of the licensing is that you pay for the
> host/hypervisor/machine to have RHEL, plus however many guests the license
> includes.  So 4 or unlimited.

Heh. Depends on where you work: we've been getting in servers with 4, like
the Dell PE 810, and some Penguins we've got, and I think the new ones
(haven't opened any up) have more.

mark

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Re: [CentOS] SELinux and SETroubleshootd woes in CR

[Trey Dockendorf]

On Wed, Nov 2, 2011 at 8:54 AM, Daniel J Walsh  wrote:

> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> On 11/01/2011 09:12 PM, Trey Dockendorf wrote:
> >
> > Do you have the
> >
> >
> > allow_httpd_mod_auth_pam
> >
> > boolean turned on?
> >
> >
> > -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.11 (GNU/Linux)
> > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
> >
> > iEYEARECAAYFAk6wVZgACgkQrlYvE4MpobOg8gCgzbPmuUBJJ20iBhAQnCoTvZVU
> > NfUAoLz5TplWxxflLWscqc7Vc7RHahvj =UYqX -END PGP SIGNATURE-
> >
> >
> > (Accidentally sent as quote )
> >
> > Ah! I did not know about setsebool.
> >
> > It's now not failing on SELinux (at least that I can tell).  Now I
> > get this in /var/log/secure...
> >
> > Nov  1 16:08:07 host unix_chkpwd[22541]: check pass; user unknown
> > Nov  1 16:08:07 host unix_chkpwd[22541]: password check failed for
> > user (treydock) Nov  1 16:08:07 host httpd: pam_unix(httpd:auth):
> > authentication failure; logname= uid=48 euid=48 tty= ruser= rhost=
> > user=treydock Nov  1 16:08:07 host httpd: pam_krb5[8049]: error
> > reading keytab 'FILE:/etc/krb5.keytab' Nov  1 16:08:07 host httpd:
> > pam_krb5[8049]: TGT verified Nov  1 16:08:07 host httpd:
> > pam_krb5[8049]: authentication succeeds for 'treydock'
> > (treyd...@tamu.edu ) Nov  1 16:08:07 host
> > unix_chkpwd[22545]: could not obtain user info (treydock)
> >
> >
> > The keytab error is expected, because to authenticate with my
> > university's Kerberos system it's without adding my server to the
> > their databases.  I have other servers on CentOS 5 and 6 running
> > this just fine, so and right now SELinux is the only difference
> > between them.
> >
> > Also, I'm still concerned I never got an email from
> > setroubleshootd about the denials that are now fixed by using
> > setsebool.  Any steps I can take to troubleshoot the problem?
> >
> > Thanks - Trey
>
>
> It was probably blocked by a dontaudit rule.  semodule -DB will turn
> off dontaudit rules, but be prepared for a flood of useless avc's.
>
> semodule -B
>
> Turns it back on.
> -BEGIN PGP SIGNATURE-
> Version: GnuPG v1.4.11 (GNU/Linux)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
>
> iEYEARECAAYFAk6xS6IACgkQrlYvE4MpobONngCgrGChcDJ4GdOSPwmrU4Qez1ls
> QAkAoKCknm5qx4lAxjPx1cZsUYbD51P8
> =7Fou
> -END PGP SIGNATURE-
>


Sorry for the late reply...

I've disabled the dontaudits for now, hopefully that may shed some light on
this.

Are there any other methods to debug or troubleshoot setroubleshootd?  Or
even to verify it's working?  I'd like to rule out that the CR update is
the culprit to this no longer sending emails on denials.

I also can't seem to get the sealert GUI to work over X11 forwarding.
---
$ sealert -b -V
2011-11-07 14:20:57,507 [dbus.ERROR] could not start dbus:
org.freedesktop.DBus.Error.Spawn.ExecFailed: /bin/dbus-launch terminated
abnormally without any error message


The text version seems to work fine though.  However I would really like
the alerts via email as I begin to leave SELinux enabled on all new servers
I provision, and force myself to learn this.

Thanks
- Trey
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Re: [CentOS] redhat vs centos

[Trey Dockendorf]

On Mon, Nov 7, 2011 at 10:42 AM, John Beranek  wrote:

> On 02/11/2011 10:31, Patrick Lists wrote:
> > On 11/02/2011 11:02 AM, Tony Mountifield wrote:
> >> What is a "socket" in their pricing model? The word can mean so many
> >> different things...
> >
> > Afaik it refers to a physical cpu socket. So they count actual cpu's,
> > not the amount of cores in each cpu.
>
> I was just asking myself this very question the other day, and I
> couldn't determine how many sockets you are using if you use, say, 2
> _virtual_ processors.
>
> John.
>
> --
> John Beranek To generalise is to be an idiot.
> http://redux.org.uk/ -- William Blake
>
>
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>
>
The sockets refers to the literal, physical CPUs.  Virtual CPUs (for
guests) or cores do not count.  Unless your running some kind of mainframe
you will likely have a server with anywhere from 1-2 sockets.  My
understanding of the licensing is that you pay for the
host/hypervisor/machine to have RHEL, plus however many guests the license
includes.  So 4 or unlimited.

Example: my server has 2 sockets, 4 cores each.  If i paid for
RHEL unlimited guests on 2 sockets...I could have only 2 virtual machines
each with 4 virtual CPUs, or 8 VMs with 1 vCPU each.  That's still within
the license.  Sockets is referring to the things that are LGA775 or AM3+.

- Trey
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Re: [CentOS] Monitoring IO -- vmstat doesn't match snmp

[Rajagopal Swaminathan]

Greetings,

On Tue, Nov 8, 2011 at 1:13 AM, David Dyer-Bennet  wrote:
>
> No, doesn't help.
>
> Also, if you're claiming that the answers I get from monitor would be
> correct, I'd like to understand why you think that set will be right in
> preference to vmstat and snmp.
>
> Or is it just that that's the package you're comfortable with?

I have never been comfortable with monitor as I was compelled to have
"GUI" for a monitoring system on which I worked on about a year back
and I found Zabbic to be enough.

I do not have a Centos 5.x box in front of me right now, but I will
try to answer your question tomorrow. It is 0120hrs IST, and  right
now and I gotta get some sleep.
g'night. Bye.

We Centos guys too need some sleep. right? :)


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Re: [CentOS] redhat vs centos

[Reindl Harald]

Am 07.11.2011 20:38, schrieb Rajagopal Swaminathan:
> Greetings,
> 
> On Tue, Nov 8, 2011 at 12:42 AM, Reindl Harald  wrote:
>>
>>
>> Am 07.11.2011 20:09, schrieb Rajagopal Swaminathan:
>> because you can use VMware-Machines on Workstation and ESXi/vSphere and no 
>> please
>> do not tell me you have anything free out there which is compareable if you
>> are in production far away from a home computer
>>
>> why software between you can not use on Windows, Mac and Linux without 
>> changes
> 
> Because FLOSS is FLOSS and they cannot bridge the gap always as they
> are not in commercial business. Ask RHEL support if you have one else
> buy one.  They have RHEV, for one as a drop=on replacement.

sorry, but no one will change infrastructure having support contracts
with small companyies where you know the people personally

price and FLOSS are secondary if your whole business depends



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Re: [CentOS] Monitoring IO -- vmstat doesn't match snmp

[David Dyer-Bennet]

On Mon, November 7, 2011 13:23, Rajagopal Swaminathan wrote:
> Greetings,
>
> On Tue, Nov 8, 2011 at 12:40 AM, David Dyer-Bennet  wrote:
>>
>> On Mon, November 7, 2011 11:51, Rajagopal Swaminathan wrote:
>>> Greetings,
>>>
>>> On Mon, Nov 7, 2011 at 10:23 PM, David Dyer-Bennet 
>>> wrote:
 I made the mistake of looking at disk IO numbers in two different ways
 --
 now I'm confused, because they give inconsistent answers.
>> No, I haven't.  I view my problem as being TOO MANY different sources to
>> begin with :-).
>>
>> I've never heard of a "monitor" command for unix, and there isn't one on
>> this Centos installation.  I'm open to persuasion here.  And I haven't
>> looked into whether this info is directly accessible in the proc
>> filesystem or something yet either.
>
> Perhaps a yum install monitor would give you a cure.
>
> HTH.

[ddb@prc-mn-lnx01 dev]$ sudo yum install monitor
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.sanctuaryhost.com
 * centosplus: mirrors.gigenet.com
 * epel: mirrors.servercentral.net
 * extras: mirrors.serveraxis.net
 * rpmforge: ftp-stud.fht-esslingen.de
 * updates: mirror.team-cymru.org
Setting up Install Process
No package monitor available.
Nothing to do


No, doesn't help.

Also, if you're claiming that the answers I get from monitor would be
correct, I'd like to understand why you think that set will be right in
preference to vmstat and snmp.

Or is it just that that's the package you're comfortable with?
-- 
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Re: [CentOS] redhat vs centos

[Rajagopal Swaminathan]

Greetings,

On Tue, Nov 8, 2011 at 12:42 AM, Reindl Harald  wrote:
>
>
> Am 07.11.2011 20:09, schrieb Rajagopal Swaminathan:
> because you can use VMware-Machines on Workstation and ESXi/vSphere and no 
> please
> do not tell me you have anything free out there which is compareable if you
> are in production far away from a home computer
>
> why software between you can not use on Windows, Mac and Linux without changes

Because FLOSS is FLOSS and they cannot bridge the gap always as they
are not in commercial business. Ask RHEL support if you have one else
buy one.  They have RHEV, for one as a drop=on replacement.

I have played around with it for couple of months. It is worth it's price.

Don't Crucify me for suggestions. I am screwed (moneterily In India)
already as am unofficial Floss advocate.

YMMV.  IMHO.

I could not get a single paisa/penny/cent for instantiating GLPI and
OCS Inventory NG at at least 6 instances.

and many other apps.

And they are flourishing.

So watch out before you blame me.

I will flame.

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Re: [CentOS] Monitoring IO -- vmstat doesn't match snmp

[Rajagopal Swaminathan]

Greetings,

On Tue, Nov 8, 2011 at 12:40 AM, David Dyer-Bennet  wrote:
>
> On Mon, November 7, 2011 11:51, Rajagopal Swaminathan wrote:
>> Greetings,
>>
>> On Mon, Nov 7, 2011 at 10:23 PM, David Dyer-Bennet  wrote:
>>> I made the mistake of looking at disk IO numbers in two different ways
>>> --
>>> now I'm confused, because they give inconsistent answers.
> No, I haven't.  I view my problem as being TOO MANY different sources to
> begin with :-).
>
> I've never heard of a "monitor" command for unix, and there isn't one on
> this Centos installation.  I'm open to persuasion here.  And I haven't
> looked into whether this info is directly accessible in the proc
> filesystem or something yet either.

Perhaps a yum install monitor would give you a cure.

HTH.

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Re: [CentOS] redhat vs centos

[Reindl Harald]

Am 07.11.2011 20:09, schrieb Rajagopal Swaminathan:
> Greetins,
> 
> On Tue, Nov 8, 2011 at 12:31 AM, Reindl Harald  wrote:
>>
>>
>> Am 07.11.2011 19:57, schrieb John R Pierce:
>>> On 11/07/11 9:36 AM, John Beranek wrote:
 Still doesn't answer how many sockets you're using if you have a RHEL
 5/6 guest VM with 2 (or 4) virtual VMware processors...
>>>
>>> can you even run another VM hypervisor under vmware?!?
>>> never mind, WHY?!?
>>
>> yes you can, it is called nested virtualization and exists since longer time
> 
> Yes you right.
> 
> But, (a big butt indeed), Why Proprietary Software in between?

because you can use VMware-Machines on Workstation and ESXi/vSphere and no 
please
do not tell me you have anything free out there which is compareable if you
are in production far away from a home computer

why software between you can not use on Windows, Mac and Linux without changes



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Re: [CentOS] Monitoring IO -- vmstat doesn't match snmp

[David Dyer-Bennet]

On Mon, November 7, 2011 11:51, Rajagopal Swaminathan wrote:
> Greetings,
>
> On Mon, Nov 7, 2011 at 10:23 PM, David Dyer-Bennet  wrote:
>> I made the mistake of looking at disk IO numbers in two different ways
>> --
>> now I'm confused, because they give inconsistent answers.
>>
>> First way was using 'vmstat 10'.  This gave me (apologies for wrapped
>> lines):
>>
>
> BTW, did you try:
> 1. monitor command
> 2. Zabbix -- well, It may require upgrade of PHP and whatnot.

No, I haven't.  I view my problem as being TOO MANY different sources to
begin with :-).

Sounds like zabbix is out -- no PHP or Web server on the system involved,
and I can't install one (in-service production box).

I've never heard of a "monitor" command for unix, and there isn't one on
this Centos installation.  I'm open to persuasion here.  And I haven't
looked into whether this info is directly accessible in the proc
filesystem or something yet either.
-- 
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Re: [CentOS] redhat vs centos

[Rajagopal Swaminathan]

Greetins,

On Tue, Nov 8, 2011 at 12:31 AM, Reindl Harald  wrote:
>
>
> Am 07.11.2011 19:57, schrieb John R Pierce:
>> On 11/07/11 9:36 AM, John Beranek wrote:
>>> Still doesn't answer how many sockets you're using if you have a RHEL
>>> 5/6 guest VM with 2 (or 4) virtual VMware processors...
>>
>> can you even run another VM hypervisor under vmware?!?
>> never mind, WHY?!?
>
> yes you can, it is called nested virtualization and exists since longer time

Yes you right.

But, (a big butt indeed), Why Proprietary Software in between?


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Re: [CentOS] redhat vs centos

[Reindl Harald]

Am 07.11.2011 19:57, schrieb John R Pierce:
> On 11/07/11 9:36 AM, John Beranek wrote:
>> Still doesn't answer how many sockets you're using if you have a RHEL
>> 5/6 guest VM with 2 (or 4) virtual VMware processors...
> 
> can you even run another VM hypervisor under vmware?!?
> never mind, WHY?!?

yes you can, it is called nested virtualization and exists since longer time

VMware Workstation Supports ESX4.1 and ESX5.1 as guest OS
nice for building a whole test-environemnt including the network

on modern hardware even a 64bit guest will run with acceptable perforamcne




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Re: [CentOS] redhat vs centos

[John R Pierce]

On 11/07/11 9:36 AM, John Beranek wrote:
> Still doesn't answer how many sockets you're using if you have a RHEL
> 5/6 guest VM with 2 (or 4) virtual VMware processors...

can you even run another VM hypervisor under vmware?!?

never mind, WHY?!?

-- 
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santa cruz ca mid-left coast

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Re: [CentOS] yum update fails for 5.6 (fixed)

[Alex]

> Vreme: 11/07/2011 05:35 PM, Alex piše:
>> google for "centos error performing checksum" refers to createrepo
>> but of
>> course "yum install createrepo" also fails and the instructions
>> appear to be
>> overkill.  Is there a "simple" soultion?
>>
> 
>> rhel-src/primary
>>|
>> 1.1 MB 00:02
>> ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/repodata/primary.xml.gz:
>> [Errno -3] Error performing checksum
>> Trying other mirror.
>> Error: failure: repodata/primary.xml.gz from rhel-src: [Errno 256]
>> No more
>> mirrors to try.
>
> Your problem is that rhel-src repo is not available.
>
> Workaround is to run:
>
> "yum update --disablerepo=rhel-src"
>
> until you disable rhel-src in /etc/yum.repos.d/ file

Thanks - the rhel-src.repo was not needed. Deleted . .

Alex
=
>
>
> --
>
> Ljubomir Ljubojevic
> (Love is in the Air)
> PL Computers
> Serbia, Europe
>
>


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Re: [CentOS] Call supplicant on link detection

[Peter von Nostrand]

On Mon, Nov 7, 2011 at 1:37 PM, Ljubomir Ljubojevic  wrote:

> Vreme: 11/07/2011 02:27 PM, Peter von Nostrand piše:
> > when the interface detects a link
>
> What do you exactly mean by this? is this on Ethernet or...?
>
>
Yes, I'm sorry, is a wired connection


> NetworkManager might have options you need, but I am for now not sure
> what exactly needs to happen.
>

I'd like to setup this without network manager, just scripts.


>
> And are those CentOS clients CentOS 5's or 6's?
>

Centos 5's


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Re: [CentOS] openvpn + bridge utils in CentOS 6

[Lorenzo Martínez Rodríguez]

Hello,

I did not have read this issue before, but I have seen this problem 
also. Whenever I restart the bridge (with tap0 interfaces also) I have 
to make a first ping to the physical interface related to the tap0 
module. I also ping another machine on the same physical network. After 
that, I am able to reach the bridged one.

Extrange behaviour but this works for me in this way now.

I look forward RedHat fixed this bug soon.


El 07/11/11 06:39, 唐建伟 escribió:
> thank you very much for your follow up. wish to get good news from you soon.
>
> On Sat, Nov 5, 2011 at 12:26 AM, Минтаиров Михаилwrote:
>
>>
>> 28.09.2011, 04:58, "唐建伟":
>> Hello, I didn't find what to answer to you mounth ago. But now I also have
>> an installation of centos 6 (at past I used centos 5.7) , and I have the
>> same problems as you. First of all, did you find any solutions?
>>
>> I only found that the problem is in br0 device. I can't guess why but it
>> not recive ARP REPLY packets.
>>
>> tcpdump on all devices (tap0, eth1, br0) give me the same:
>>
>> 20:12:22.012270 ARP, Request who-has 192.168.11.3 tell 192.168.11.33,
>> length 28
>> 20:12:23.027897 ARP, Request who-has 192.168.11.3 tell 192.168.11.33,
>> length 28
>> 20:12:24.027951 ARP, Request who-has 192.168.11.3 tell 192.168.11.33,
>> length 28
>> //192.158.11.33 is remoute PC ip-address, and 192.168.11.3 is one of my
>> local hosts//
>>
>> and no APR REPLY.
>>
>> Intresting that on other hand I have the same configs files on Centos 5.7.
>> and everything work perfectly.
>>
>>
>>> no, i removed the commands you mentioned, but it still doesn't work.
>>>
>>> Best Regards
>>> Tang Jianwei
>>>
>>> On Tue, Sep 27, 2011 at 6:01 PM, Минтаиров Михаил>> wrote:
>>>
   I can't remember a reason, but at one moment I stop to use  "openvpn
   --mktun --dev [dev name]" command. May be it's becouse openvpn create
>> tap0
   by it self. So try to comment this lines:

for t in $tap; do
   openvpn --mktun --dev $t
done

   then restart a network, after then start openvpn and after it start
>> bridge
   script
>   openvpn configure file
>
>   *port 1194
>   proto udp
>   dev tap0
>   ca ca.crt
>   cert VPN_Server.crt
>   key VPN_Server.key  # This file should be kept secret
>   dh dh1024.pem
>   server-bridge 192.168.119.1 255.255.255.0 192.168.119.221
>> 192.168.119.225
>   keepalive 10 120
>   comp-lzo
>   user nobody
>   group nobody
>   persist-key
>   persist-tun
>   status openvpn-status.log
>   log-append  /var/log/openvpn.log
>   verb 3
>   mute 20
>   *
>
>   the script for bring up the bridge
>   *# Define Bridge Interface
>   br="br0"
>
>   # Define list of TAP interfaces to be bridged,
>   # for example tap="tap0 tap1 tap2".
>   tap="tap0"
>
>   # Define physical ethernet interface to be bridged
>   # with TAP interface(s) above.
>   eth="eth1"
>   eth_ip="192.168.119.1"
>   eth_netmask="255.255.255.0"
>   eth_broadcast="192.168.119.255"
>
>   for t in $tap; do
>   openvpn --mktun --dev $t
>   done
>
>   brctl addbr $br
>   brctl addif $br $eth
>
>   for t in $tap; do
>   brctl addif $br $t
>   done
>
>   for t in $tap; do
>   ifconfig $t 0.0.0.0 promisc up
>   done
>
>   ifconfig $eth 0.0.0.0 promisc up
>
>   ifconfig $br $eth_ip netmask $eth_netmask broadcast $eth_broadcast*
>
>   On Tue, Sep 27, 2011 at 5:20 PM, Минтаиров Михаил<
>> mikxal...@yandex.ru
> wrote:
>>Hm... It's very hard to guess without config files. Can you post
>> your
>>server and client openvpn configs... and also can your show  a br0
   creation
>>commands?
>>
>>27.09.2011, 12:01, "唐建伟":
>>>Hi
>>>
>>>no, i don't think so. anyway, i can and only can the vpn server
>> from
   the
>>>remote hosts.
>>>
>>>Best Regards
>>>Tang Jianwei
>>>
>>>On Tue, Sep 27, 2011 at 3:59 PM, Минтаиров Михаил<
   mikxal...@yandex.ru
>>>   wrote:
 So, something stop packets from remote hosts. May be firewall on
   remote
 PC...? and can you run tcpdump on same remote host, to check that
   it's
>>tap0
 device.

 27.09.2011, 11:06, "唐建伟":
> Hi
>
> the routing table in the remote hosts are OK. "tcpdump -n -i
   [device
 name]"
> cannot capture any packages from remote. no mater br0 nor tap0.
>
> Best Regards
> Tang Jianwei
>
> On Tue, Sep 27, 2011 at 2:44 PM, Минтаиров Михаил<
>>mikxal...@yandex.ru
>wrote:
>>  27.09.2011, 09:52, "唐建伟":
>>>  Hi all,
>>>
>>>  I just intalled openvpn + bridg

Re: [CentOS] Monitoring IO -- vmstat doesn't match snmp

[Rajagopal Swaminathan]

Greetings,

On Mon, Nov 7, 2011 at 10:23 PM, David Dyer-Bennet  wrote:
> I made the mistake of looking at disk IO numbers in two different ways --
> now I'm confused, because they give inconsistent answers.
>
> First way was using 'vmstat 10'.  This gave me (apologies for wrapped lines):
>

BTW, did you try:
1. monitor command
2. Zabbix -- well, It may require upgrade of PHP and whatnot.

-- 
Regards,

Rajagopal
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Re: [CentOS] redhat vs centos

[Reindl Harald]

Am 07.11.2011 18:36, schrieb John Beranek:
> On 07/11/2011 16:45, Reindl Harald wrote:
>> in newer VMware versions (Workstation 7/8) you can assign virtual CPUs
>> and cores per virtual CPU, i guess VMware ESXi 5 will have this feature
>> too, but not my nested vm is currently not running and production
>> will stay on ESXi 4.1 for some time
> 
> Still doesn't answer how many sockets you're using if you have a RHEL
> 5/6 guest VM with 2 (or 4) virtual VMware processors...

what answer are you missing?
as much as you configure!

sse screenshot




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Re: [CentOS] redhat vs centos

[John Beranek]

On 07/11/2011 16:45, Reindl Harald wrote:
> 
> 
> Am 07.11.2011 17:42, schrieb John Beranek:
>> On 02/11/2011 10:31, Patrick Lists wrote:
>>> On 11/02/2011 11:02 AM, Tony Mountifield wrote:
 What is a "socket" in their pricing model? The word can mean so many
 different things...
>>>
>>> Afaik it refers to a physical cpu socket. So they count actual cpu's, 
>>> not the amount of cores in each cpu.
>>
>> I was just asking myself this very question the other day, and I
>> couldn't determine how many sockets you are using if you use, say, 2
>> _virtual_ processors.
> 
> in newer VMware versions (Workstation 7/8) you can assign virtual CPUs
> and cores per virtual CPU, i guess VMware ESXi 5 will have this feature
> too, but not my nested vm is currently not running and production
> will stay on ESXi 4.1 for some time

Still doesn't answer how many sockets you're using if you have a RHEL
5/6 guest VM with 2 (or 4) virtual VMware processors...

John.

-- 
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http://redux.org.uk/ -- William Blake

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[CentOS] CentOS-announce Digest, Vol 81, Issue 4

[centos-announce-request]

Send CentOS-announce mailing list submissions to
centos-annou...@centos.org

To subscribe or unsubscribe via the World Wide Web, visit
http://lists.centos.org/mailman/listinfo/centos-announce
or, via email, send a message with subject or body 'help' to
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You can reach the person managing the list at
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When replying, please edit your Subject line so it is more specific
than "Re: Contents of CentOS-announce digest..."


Today's Topics:

   1. CEBA-2011:1425 CentOS 5 x86_64 libhbaapi  FASTTRACK Update
  (Johnny Hughes)
   2. CEBA-2011:1425 CentOS 5 i386 libhbaapi FASTTRACK  Update
  (Johnny Hughes)
   3. CEBA-2011:1429  CentOS 5 x86_64 rsh Update (Johnny Hughes)
   4. CEBA-2011:1429  CentOS 5 i386 rsh Update (Johnny Hughes)
   5. CEBA-2011:1428  CentOS 5 x86_64 openais Update (Johnny Hughes)
   6. CEBA-2011:1428  CentOS 5 i386 openais Update (Johnny Hughes)


--

Message: 1
Date: Mon, 7 Nov 2011 11:54:10 +
From: Johnny Hughes 
Subject: [CentOS-announce] CEBA-2011:1425 CentOS 5 x86_64 libhbaapi
FASTTRACK Update
To: centos-annou...@centos.org
Message-ID: <2007115410.ga2...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Bugfix Advisory 2011:1425 

Upstream details at : http://rhn.redhat.com/errata/RHBA-2011-1425.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( md5sum Filename ) 

x86_64:
4a541edfb038fe2c08876cfed15c842a  libhbaapi-2.2-6.el5.i386.rpm
96058c049788fd6b699ae2b7eef005a9  libhbaapi-2.2-6.el5.x86_64.rpm
dbe1434f6a1ef4e57a2455c135088047  libhbaapi-devel-2.2-6.el5.i386.rpm
c0e1219ebaa6f2016cbb22a93dafa872  libhbaapi-devel-2.2-6.el5.x86_64.rpm

Source:
6896e6f69cc6046e25f76ea208138431  libhbaapi-2.2-6.el5.src.rpm


-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net



--

Message: 2
Date: Mon, 7 Nov 2011 11:54:10 +
From: Johnny Hughes 
Subject: [CentOS-announce] CEBA-2011:1425 CentOS 5 i386 libhbaapi
FASTTRACK   Update
To: centos-annou...@centos.org
Message-ID: <2007115410.ga2...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Bugfix Advisory 2011:1425 

Upstream details at : http://rhn.redhat.com/errata/RHBA-2011-1425.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( md5sum Filename ) 

i386:
4a541edfb038fe2c08876cfed15c842a  libhbaapi-2.2-6.el5.i386.rpm
dbe1434f6a1ef4e57a2455c135088047  libhbaapi-devel-2.2-6.el5.i386.rpm

Source:
6896e6f69cc6046e25f76ea208138431  libhbaapi-2.2-6.el5.src.rpm


-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net



--

Message: 3
Date: Mon, 7 Nov 2011 11:56:58 +
From: Johnny Hughes 
Subject: [CentOS-announce] CEBA-2011:1429  CentOS 5 x86_64 rsh Update
To: centos-annou...@centos.org
Message-ID: <2007115658.ga2...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Bugfix Advisory 2011:1429 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2011-1429.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( md5sum Filename ) 

x86_64:
42f7f6bebca2bca06e92705df62aa4a6  rsh-0.17-40.el5_7.1.x86_64.rpm
518f2cf8031b802ac12e8a105e90cb8a  rsh-server-0.17-40.el5_7.1.x86_64.rpm

Source:
39346bb5b655903cb8f278c572109bb6  rsh-0.17-40.el5_7.1.src.rpm


-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net



--

Message: 4
Date: Mon, 7 Nov 2011 11:56:58 +
From: Johnny Hughes 
Subject: [CentOS-announce] CEBA-2011:1429  CentOS 5 i386 rsh Update
To: centos-annou...@centos.org
Message-ID: <2007115658.ga2...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Bugfix Advisory 2011:1429 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2011-1429.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( md5sum Filename ) 

i386:
2c197ffc732880dd3748d3f8627ccde5  rsh-0.17-40.el5_7.1.i386.rpm
c050f22324d23b984c5c71c89b3da8b1  rsh-server-0.17-40.el5_7.1.i386.rpm

Source:
39346bb5b655903cb8f278c572109bb6  rsh-0.17-40.el5_7.1.src.rpm


-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net



--

Message: 5
Date: Mon, 7 Nov 2011 12:22:51 +
From: Johnny Hughes 
Subject: [CentOS-announce] CEBA-2011:1428  CentOS 5 x86_64 openais
Update
To: centos-annou...@centos.org
Message-ID: <2007122251.ga4...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Bugfix Advisory 2011:1428 

Upstream details at : https://rhn.redhat.com/errata/RH

[CentOS] Monitoring IO -- vmstat doesn't match snmp

[David Dyer-Bennet]

I made the mistake of looking at disk IO numbers in two different ways --
now I'm confused, because they give inconsistent answers.

First way was using 'vmstat 10'.  This gave me (apologies for wrapped lines):

 r  b   swpd   free   buff  cache   si   sobibo   in   cs us sy id
wa st
 2  0 2162944 4071928 162444 421845600 0   286 1103  528  3  2
95  0  0
 1  0 2162944 4071976 162448 421844000 0   301 1102  548  2  4
95  0  0
 2  0 2162944 4074488 162456 421844800 0   252 1097  501  1  4
96  0  0
 2  0 2162944 4081572 162480 421850800 0   430 1145 1006  2  3
95  0  0
 2  0 2162944 4079340 162488 421850800 0   354 1148  604  2  3
95  0  0
 1  0 2162944 4082604 162492 421851200 0   258 1105  446  1  4
96  0  0
 1  0 2162944 4084052 162500 421852000 0   300 1101  482  1  4
95  0  0
 1  0 2162944 4080652 162500 421853600 0   393 1118  585  1  3
95  0  0
 1  0 2162944 4081160 162500 421853600 0   304 1100  462  0  4
95  0  0
 1  0 2162944 4075636 162508 421853600 0   214 1132  397  0  4
96  0  0
 3  0 2162944 4081640 162516 421854000 0   332   554  2  3
94  0  0
 1  0 2162944 4075104 162516 421855200 0   382 1179  566  2  3
95  0  0

The "bo" column, block out, is described in the man page as being blocks
per second.  I believe the blocks are 512 bytes.

Okay; but then I used SNMP to fetch 1.3.6.1.4.1.2021.11.57.0
(ssIORawSent).  That's an incrementing counter of blocks sent.  I'm
fetching it every 10 seconds, same as before.

3,204,124,952   1,603820,736
3,204,139,960   1,500768,000
3,204,155,848   1,588813,056
3,204,164,600 875448,000
3,204,184,536   1,993  1,020,416
3,204,194,184 964493,568
3,204,204,040 896458,752
3,204,218,696   1,465750,080
3,204,235,224   1,652845,824

The first column is the counter; the second column is the difference
between them divided by the actual number of seconds elapsed (i.e. it
tries to correct for imprecisions in the sleep; though in fact when I
monitored that, it was hitting the exact second consistently), i.e, the
second column is blocks per second.  And the third column is bytes per
second based on a 512-byte block.

You'll note that the blocks per second figures are not compatible with the
blocks per second figures from vmstat.

These two sets of numbers overlap, and the numbers before and after are
similar.

So what's up with that ?

(Here's my monitoring code that produced the second set of figures, in
case I did something dumb-ass:

#! /bin/bash
set -e

HOST=prcapp01
secs=10
lbc=0
lts=0

echo "blockcount bl/sec bytes/sec"
while true; do
bc=$( snmpget -v 2c -c xxx $HOST 1.3.6.1.4.1.2021.11.57.0 | cut -d' '
-f4 )
ts=$( date +%s )
if [[ $lbc > 0 ]]; then
(( bsec = ( bc - lbc ) / ( ts - lts ) ))
(( bytes = bsec * 512 ))
#echo $lbc $bc $bsec $bytes $lts $ts
printf "%'12d %'7d %'10d\n" $bc $bsec $bytes
fi
lbc="$bc"
lts="$ts"
sleep $secs
done

I have obfuscated the read-only community name.)

-- 
David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/
Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/
Photos: http://dd-b.net/photography/gallery/
Dragaera: http://dragaera.info

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Re: [CentOS] yum update fails for 5.6

[Nicolas Thierry-Mieg]

Alex wrote:
> google for "centos error performing checksum" refers to createrepo but of
> course "yum install createrepo" also fails and the instructions appear to be
> overkill.  Is there a "simple" soultion?
>
> here's the result of yum update:
>
> # yum -v update
> Loading "fastestmirror" plugin
> Config time: 0.118
> Yum Version: 3.2.22
> Setting up Package Sacks
> Loading mirror speeds from cached hostfile
>   * base: mirror.science.uottawa.ca
>   * extras: mirror.science.uottawa.ca
>   * rpmforge: ftp-stud.fht-esslingen.de
>   * updates: mirror.science.uottawa.ca
> rhel-src/primary  
> |
> 1.1 MB 00:02
> ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/repodata/primary.xml.gz:
> [Errno -3] Error performing checksum
> Trying other mirror.
> Error: failure: repodata/primary.xml.gz from rhel-src: [Errno 256] No more
> mirrors to try.


if you just want to update: disable the rhel-src repo, you don't need it.

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Re: [CentOS] redhat vs centos

[Reindl Harald]

Am 07.11.2011 17:42, schrieb John Beranek:
> On 02/11/2011 10:31, Patrick Lists wrote:
>> On 11/02/2011 11:02 AM, Tony Mountifield wrote:
>>> What is a "socket" in their pricing model? The word can mean so many
>>> different things...
>>
>> Afaik it refers to a physical cpu socket. So they count actual cpu's, 
>> not the amount of cores in each cpu.
> 
> I was just asking myself this very question the other day, and I
> couldn't determine how many sockets you are using if you use, say, 2
> _virtual_ processors.

in newer VMware versions (Workstation 7/8) you can assign virtual CPUs
and cores per virtual CPU, i guess VMware ESXi 5 will have this feature
too, but not my nested vm is currently not running and production
will stay on ESXi 4.1 for some time



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Re: [CentOS] yum update fails for 5.6

[Ljubomir Ljubojevic]

Vreme: 11/07/2011 05:35 PM, Alex piše:
> google for "centos error performing checksum" refers to createrepo but of
> course "yum install createrepo" also fails and the instructions appear to be
> overkill.  Is there a "simple" soultion?
>

> rhel-src/primary  
> |
> 1.1 MB 00:02
> ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/repodata/primary.xml.gz:
> [Errno -3] Error performing checksum
> Trying other mirror.
> Error: failure: repodata/primary.xml.gz from rhel-src: [Errno 256] No more
> mirrors to try.

Your problem is that rhel-src repo is not available.

Workaround is to run:

"yum update --disablerepo=rhel-src"

until you disable rhel-src in /etc/yum.repos.d/ file


-- 

Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

Google is the Mother, Google is the Father, and traceroute is your
trusty Spiderman...
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Re: [CentOS] redhat vs centos

[John Beranek]

On 02/11/2011 10:31, Patrick Lists wrote:
> On 11/02/2011 11:02 AM, Tony Mountifield wrote:
>> What is a "socket" in their pricing model? The word can mean so many
>> different things...
> 
> Afaik it refers to a physical cpu socket. So they count actual cpu's, 
> not the amount of cores in each cpu.

I was just asking myself this very question the other day, and I
couldn't determine how many sockets you are using if you use, say, 2
_virtual_ processors.

John.

-- 
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http://redux.org.uk/ -- William Blake

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Re: [CentOS] Call supplicant on link detection

[Ljubomir Ljubojevic]

Vreme: 11/07/2011 02:27 PM, Peter von Nostrand piše:
> when the interface detects a link

What do you exactly mean by this? is this on Ethernet or...?

NetworkManager might have options you need, but I am for now not sure 
what exactly needs to happen.

And are those CentOS clients CentOS 5's or 6's?

-- 

Ljubomir Ljubojevic
(Love is in the Air)
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Serbia, Europe

Google is the Mother, Google is the Father, and traceroute is your
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[CentOS] yum update fails for 5.6

[Alex]

google for "centos error performing checksum" refers to createrepo but of 
course "yum install createrepo" also fails and the instructions appear to be 
overkill.  Is there a "simple" soultion?

here's the result of yum update:

# yum -v update
Loading "fastestmirror" plugin
Config time: 0.118
Yum Version: 3.2.22
Setting up Package Sacks
Loading mirror speeds from cached hostfile
 * base: mirror.science.uottawa.ca
 * extras: mirror.science.uottawa.ca
 * rpmforge: ftp-stud.fht-esslingen.de
 * updates: mirror.science.uottawa.ca
rhel-src/primary
  | 
1.1 MB 00:02
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/repodata/primary.xml.gz:
 
[Errno -3] Error performing checksum
Trying other mirror.
Error: failure: repodata/primary.xml.gz from rhel-src: [Errno 256] No more 
mirrors to try.

and for repolist

# yum repolist
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.science.uottawa.ca
 * extras: mirror.science.uottawa.ca
 * rpmforge: ftp-stud.fht-esslingen.de
 * updates: mirror.science.uottawa.ca
rhel-src/primary
  | 
1.1 MB 00:02
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/repodata/primary.xml.gz:
 
[Errno -3] Error performing checksum
Trying other mirror.
Error: failure: repodata/primary.xml.gz from rhel-src: [Errno 256] No more 
mirrors to try.

TIA

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Re: [CentOS] School cloud solution

[Daniel J Walsh]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 11/06/2011 04:23 AM, Rajagopal Swaminathan wrote:
> Greetings,
> 
> On Sun, Nov 6, 2011 at 8:13 AM, Doug Coats 
> wrote:
> 
> Your own instance of liferay/alfresco community edition exposed to 
> internet with the usual safegaurds perhaps...
> 
> BTW, taking this example, what exactly are the usual "safeguards" 
> apart from enabling selinux in permissive mode and enabling
> firewall with only http and ssh ports open?
> 
> Some apps behave ugly in selinux enforcing mode. Any pointers?
> 
> TIA
> 

Which apps are behaving ugly with SELinux is in enforcing mode?  Could
you give me pointers to bugzillas?
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAk635KAACgkQrlYvE4MpobNNDACcC7QCkQt8cg/iwztcs6+NiL1T
lxkAn1F/v6jMZasa6urauBfDWraDxDdB
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[CentOS] Call supplicant on link detection

[Peter von Nostrand]

Dear all,
I have a working 802.1x structure with a bunch of Cisco switches, and a
couple of NPS RADIUS servers. 802.1x auhtentication with MSCHAPv2 is
working with Windows clients and I need to get some Centos clients into the
structure. I've been using wpa_supplicant and now it would be usefull to
have an auto start script when the interface detects a link and call the
supplicant to authenticate the user prior to request an IP to the DHCP
server.
I've seen on ubuntu-like systems a pre-up set of options.
Is there anything like that on Centos?

Exists some way to detect a link on the interface, start the supplicant and
after that start the interface with the configuration under ifcg-eth0 ?

Sorry if this was discussed previusly.

Thanks in advance.

--
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Re: [CentOS] School cloud solution

[Ljubomir Ljubojevic]

Vreme: 11/07/2011 06:34 AM, Trey Dockendorf piše:
> On Sun, Nov 6, 2011 at 12:57 PM, Daniel Bird  wrote:
>
>> On 06/11/2011 00:49, Ljubomir Ljubojevic wrote:
>>> Look into google 'apps' (which is really corporatized google
 documents).   you edit your documents via your web browser, everything
 is hosted in googles cloud so its accessible everywhere.  It supports
 written 'word' style documents, spreadsheets, presentations (powerpoint
 like) and a few other types.

 yes, it costs money per person per year (up to 25 users are free), but
 I'd have to assume there's an educational discount.

>> Google apps for Education is free*
>> http://www.google.com/apps/intl/en/edu/
>>
>> *in the UK at least; and "free" depends on your POV.
>>
>> D
>> ___
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>>
>
>
> My College at Texas A&M University is also looking for such capability.
>   The issue we ran into is that Texas laws restrict where data can be stored
> for use by state funded institutions.  Ensuring data stays in Texas is
> nearly impossible with "cloud" services, but apparently Google is willing
> to make that happen.  They have told my University that they will offer
> their services for free.  I would definitely look into it.  I don't know
> the specifics of how it's implemented, but I doubt they would require gmail
> accounts, because we are looking to do it for our faculty/staff and we
> already discourage use of Google services for work related material.  They
> will likely integrate it into whatever you already use.
>
> Unfortunately there aren't a lot of great open source solutions out there
> for "cloud storage" that can compete with Google or others.  Besides what's
> already been mentioned there is Sparkleshare, http://sparkleshare.org/ .  I
> use it personally on Linux and OS X with ease, but the Windows portion is
> still in beta.  Another my organization attempted was iFolder,
> http://www.kablink.org/ifolder. One I haven't worked with yet, but have
> seen is http://owncloud.org/.

Using Google Docs/Cloud or any external storage system has security 
issues, since you are not owner of your own files. If some security 
agency decides to browse your files, for any reason, because they feal 
like it, it is questionable if Google would stop them.

And there are Vendor Lock-in issues as well.

Using WebDav is much better. It is like direct access FTP server. And 
you can host it on your own server, having no access or ownership issues.

One solution is for users to setup system wide WebDav access (so any app 
can access them), or to use for example

http://extensions.libreoffice.org/extension-center/webdav-integration

or

http://code.google.com/p/ooo2gd/

LibreOffice/OpenOffice add-ons for easy access to documents from 
those/that Office bundle,

or even simly using this guide:

http://help.libreoffice.org/Common/Opening_a_Document_Using_WebDAV_over_HTTPS 


(less comfortable).

WebDav is like FTP just a storage location, there is no vendor lock-in 
in documents you must use in order to access your data.


-- 

Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

Google is the Mother, Google is the Father, and traceroute is your
trusty Spiderman...
StarOS, Mikrotik and CentOS/RHEL/Linux consultant
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Re: [CentOS] School cloud solution

[Rainer Duffner]

Am Sat, 05 Nov 2011 19:34:09 -0500
schrieb Doug Coats :

> This really isn't a CentOS specific queation but that is our server
> OS of choice.
> 
> I manage a student file server and i would like to add cloud access
> to it.  Basically i would like our students to have access to the
> same files at home that they have at school.  This would allow them
> to start an asignment at home, finish it at school, and print it off
> without having to worry about losing their usb drive.  I want it
> housed on our servers for backups and ease of access for our teachers
> when necessary. 
> 
>  I have looked at Moodle but it has way to many layers that we are
> not interested in. I would like something like squirrel mail.  A
> simple web login that then gives you access to your samba managed
> files.
> 
> I have repeatedly searched for such capabilities but i have not found
> any that fit what i outlined above.  Is there such a program out
> there?



I think iFolder would do what you want (someone else mentioned it
already).
I don't know, though, if you need OES (Novell Open Enterprise Server)
to make it useful in a larger environment with more users.

It will take care of the synchronisation in the background.

But I'm not so sure about the longevity of the project as such - I
don't specifically track it, and it looks like not many updates got
published over the last months...



Rainer

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