Re: How does Linux handle DST/ST? It's all about time...
If some variation of that sleazy hack doesn't work and you can't
find some some source for the info you want (maybe something like
https://isDSTactiveInMyTimezone.com/ :) then you'll have to determine
if DST is active on your own.
That requires a timezone file for your locale and some source of "current
UTC time"; your system clock chip can presumably supply the latter.
Here's hoping you can find existing code (like a Python library) to
paddle around in timezone files.
If not, you can dump a timezone file with zdump; the output shows (among
other things) the exact dates/times of transitions into and out of DST,
as well as your locale's offset from UTC after each transition.
The timezone files typically live in /usr/{share,lib}/zoneinfo/
The timezone file governing your system is specified in /etc/timezone
So, on my Ubuntu system this command dumps the current timezone file:
zdump -v /usr/share/zoneinfo/$(cat /etc/timezone)
...in a text format that could be parsed to discover if DST is in effect
in my timezone. Ick.
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Re: How does Linux handle DST/ST? It's all about time...
You can mess around with DST and such but this slightly sleazy hack might serve an alternative: find some way to get your "dumb" machine to tell your "smart" machine what time it thinks it is currently, and then force the smart machine to that time. For example, if SSH works from the smart machine to the dumb one then from the smart one you might say: % x="$(ssh dumb date)" % sudo date --set="$x" ...or some variation on that theme. --M ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
YouTube - Jon "maddog" Hall talks Unix and Linux history
Posted from Linaro Connect 2018, Hong Kong: https://www.youtube.com/watch?v=EZMA3Ge144U ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: ISO: Free In-House Kanban/Scrum Web-Based Board
A former cow-orker on another list says: > Trello is usually what I start with recommending as it is > very visual, uses sticky notes, and you can try it for free > (although it charges at group and enterprise level). > > For open source versions of trello, you should check out > this link: https://opensource.com/alternatives/trello ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: tech recruiters you like?
I shouted with joy when it was announced that the completely vile practice of prospective employers demanding that you reveal your compensation history will (at least in MA) become illegal next year: http://www.nytimes.com/2016/08/03/business/dealbook/wage-gap-massachusetts-l aw-salary-history.html ...and even though it's reported as being intended largely to defend against gender discrimination it is *long* overdue in all cases. Our skills/abilities/services have a market value and it's arrogant for a prospective employer to attempt to decide what's "proper" based on whatever our previous circumstances were; if I was overpaid in my previous gig it's not their responsibility to perpetuate that error, and if I was underpaid they are not somehow entitled to continue the punishment, either. I'm mentioning this because in my experience headhunters/ recruiters ask early and often for lots of sensitive info about a candidate's circumstances (not just compensation) while offering as little as possible in return. This new legislation applies directly to them because in many cases they end up being your employer in contract situations, even though it's easy to forget that because you may never lay eyes on them or their place of business. I've had some success deflecting rudely inapprpriate questions along these lines by ignoring them and countering with: What do you know about the client? Do you have an existing relationship? What do you know about the hiring manager(s)? the team? [ Too often, they only know what they've scraped off the prospective client's WWW site, ie. nothing... ] What's their budget? What rate would you intend to charge them for my services? What rate are you offering me? How do you account for the difference?" ...etc. Obviously, every situation is different; sometimes we're in the driver's seat and sometimes we're nearly powerless, often it's a distasteful mix. --M ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
TESTING - please ignore
Debugging postfix - sorry for the noise... --M ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: "Attention, graying geeks: Send me your BASIC memories, as the language turns 50" -- David Brooks
http://gizmodo.com/how-steve-wozniak-wrote-basic-for-the-original-apple-fr-1570573636 ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Sniffing gigabit ethernet? 1000baseT LAN taps?
I don't know what your situation is but if there's a managed switch involved I believe that some of them can be rigged to echo traffic to one or more specified ports for analysis/debug. Or if your problem isn't specific to GigE (and you can tolerate 10baseT speeds) I have a little NetGear hub you might be able to hook all three lines into for eavesdropping... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: "Attention, graying geeks: Send me your BASIC memories, as the language turns 50" -- David Brooks
I worked at Data Precision (Analogic) and one of our guys wrote a BASIC interpreter (in 68000 assembler!) for incorporation into a product (D6000 Waveform Analyzer) as embedded code. I can't remember whether it was Kemeny or Kurtz but one of them visited circa 1982 to give it a test drive and our guy felt honored at receiving such attention. One thing that sticks in my mind was how he tried to trip up the interpreter to see if it properly discriminated stuff like: FOR K = S TO P ...from this: FORK = STOP ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Systems guy available (Chelmsford, MA)
I'm a generalist looking for work (SysEng/SysAdmin/other?) within reasonable commuting distance from Chelmsford, MA. Please email me if you have any leads or want further info... Thanks, --Michael O'Donnell ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: su: cannot set user id: Resource temporarily unavailable
Another vote for strace. Depending on circumstances I sometimes first startup a separate session thus: script /tmp/tediousDebugSession.log ...and then just allow the strace+program command to let fly via stdout. It can be a mess but having program output intermixed with the resultant strace spewage can sometimes help when trying to divine which parts are relevant. P.S. It's "jibe" not "jive"... ;-> ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Chromcast
> I'm running Ubuntu 12.4 on a dual boot laptop. I have a > Chromcast dongle on my TV. I am unable to cast to it. I received a Chromecast as a gift but haven't messed with it much; I, too, am disappointed but not surprised at Google's refusal to support Linux users. I think the Chromecast device for the most part (we'll ignore "tab-casting" mode for now) operates independently, pulling content directly from providers like YouTube and rendering it on your TV via HDMI. You tell it what to stream using commands transmitted locally via WiFI from a Chromecast-enabled app (I'll call that app the CA) running on something like a Windows or Android machine. I think the CA can only (using something like the DIAL protocol) discover Chromecast devices that have associated with the same WiFi Access Point, though an interesting question might be: will a CA on my laptop still work if I disable WiFi but remain connected via wired Enet to the same LAN the Chromecast is on? I'm guessing there are no CAs for Linux because Google needs the CA to be easily able to comandeer the WiFi connection on its host platform, and there are too many variables involved in doing that on the average Linux box. > I must switch to Windows Vista on this computer to cast. It is > the only time I ever boot to Windows, which is very slw. > Has anybody been able to cast to Chromcast from Ubuntu? > The technicians at Google have been no help. I don't remember > seeing this topic on this forum. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
[OT-IGNORE] de-ComCastification test
Pardon the noise - just verifying that I can post to the GNHLUG list using my non-ComCast email address.. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Fifo buffer question
Ah! forgot about that screen/tmux approach (screen, in my case) - I, too, have had good results with it, circumstances permitting... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Fifo buffer question
> Could I start the process with " > fifo-buffer.txt" and then > when I want to check the output, run a "tail -f fifo-buffer.txt" If your fifo-buffer.txt is a plain file that isn't managed (log rotation, etc) then the risk is that it wastes or exhausts disk space. If it's a named pipe any writes to it will block until somebody opens it for reading and if they subsequently close it the writer will see an error (SIGPIPE?) that it'd better be prepared to handle. Rigging your process to route its output into a managed logfile is fairly easy using the logger tool and configuring log rotation isn't too hard, either. The venerable SIGUSR1 trick that ChrisL suggested works well in some situations and is employed by dd, among others. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: What are you doing for home NAS?
I don't know what the current crop of WD Desktop drives is like but when I was evaluating them for inclusion in a product about 4 yrs ago they didn't make the cut. In addition to mediocre xfer speeds their design seemed to indicate unfamiliarity with (or disregard for) basic concerns like physical stability. Their stylish pedestal package had blinkenlights and a dramatic sci-fi appearance, but the center of gravity was so high and the pedestal's footprint so small that they tipped over given the slightest nudge. Also, they offered no (or too little) control over the permanently enabled power-saving "feature", the device taking long enough to spin back up and become available that it was sometimes abandoned by the kernel as faulty. I suspect the single design criterion was the usual does-it-work-with-Windows. If they've addressed such concerns in the meantime then they may deserve consideration, otherwise... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
[OT] Comedian rants about passwords/account mgmt
http://www.youtube.com/watch?v=2tJ-NSPES9Y ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: DoS attacks on Healthcare.gov...
I'm sure some would not be displeased to see the term "open source" get Embraced And Extended and turned into a pejorative the way "hacker" was... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
ARTICLE - Fixing UNIX/Linux filenames
You may find witches, ghosts and zombies at your door this evening but this discusses something even more horrible: http://www.dwheeler.com/essays/fixing-unix-linux-filenames.html ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
911 calls from unsubscribed devices
My understanding is that mobile phone service providers are required to transmit/relay all 911 calls regardless of whether the originating device is registered/subscribed to the provider in question. If so, what kind of (preferably minimal and unobtrusive) HW/SW would a generic laptop (running Linux, of course) have to be equipped with to exploit that requirement to have a basic 911 Panic Button capability? I assume that, ideally, a 911 operator would like to have a conversation with the caller to better assess the nature/urgency of the emergency, but I also assume that's not strictly necessary as long as location info is included in the transmission, as obtained either via GPS or tower-triangulation. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Installing Ubuntu on an EFI-based Intel system
> Halfway through the install the machine signaled an overheat > condition and stopped. Turned out I hadn't installed the CPU > heat sink correctly. Doh! With this fixed the machine seems > OK, but I can't figure out how to boot the CD again. If you were trying to perform the installation on an otherwise functional system (and the fact that you made it halfway through indicates a lot of stuff was working fine) I'd say it's unlikely that the overheat/shutdown incident resulted in any permanent damage or config changes. Some of the things I might try next could include: - Bring up (what's typically called) the Boot Menu, usually accomplished via some Function key and often mentioned as an option in early BIOS screens. Verify that the CD is offered as a boot option and that booting is possible when it's chosen. - Temporarily disable the RAID controller or disconnect the drives to eliminate RAID as a candidate for Boot Device. - If you were starting with a truly virgin system there ought be no harm in reloading all factory defaults. This may or may not disable / undo your RAID configuration but if it works you'll at least have a place to stand as you restart your effort... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: sonargnulinux.com "assistive" ?
>> Seriously? That WWW page renders (at least on my Android phone
>> and on Firefox on my desktop box) as small-print, low-contrast
>> grey font on dark purple background...
>
> I spoke to Jonathan last night about it. You need to remember
> that Jonathan is blind, and is not able to view his websites
> in the same manner as sighted person.
I daresay that didn't occur to any of us. I'm guessing, then, that
during the process of WWW site design/layout he uses some of the
assistive technologies in question (screen-scrapers, OCR and such?)
which don't have to concern themselves with issues like contrast,
color choices or font sizes as long as they're able to capture the
textual content being presented.
And I guess he chose a canned WWW site "style" without being aware
that (like so damned many many others!) it's nearly unreadable.
I'm no WWW site hacker but I wonder if there aren't canned styles
that have been specifically designed to be readable by all, with
or without impaired vision.
The style problem is, of course, much bigger than this one instance.
Far too many of the WWW sites out there seem have been designed by
"artiste wannabees" who seem to think that exotic font and color
choices are more important than, ya know, like, readability?
It's to the point these days where I almost automatically apply
the super extremely wonderful "zap style sheets" bookmarklet:
javascript:(function(){var%20i,x;for(i=0;x=document.styleSheets[i];++i)x.disabled=true;})();
...before reading most WWW pages.
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sonargnulinux.com "assistive" ?
>Abstract > Sonar aims to be an accessible GNU/Linux distribution to people > of all needs. Its goal is to bring awareness of Free accessible > software to people that depend on assistive technology. > >New Sonar home page: http://www.sonargnulinux.com/ Seriously? That WWW page renders (at least on my Android phone and on Firefox on my desktop box) as small-print, low-contrast grey font on dark purple background... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: ClearCase (was: MacOS/Samba not playing nice)
I haven't worked with ClearCase in quite a while but have done so at several different companies. Every source control system and build/configuration manager has its problems and I certainly had occasion to curse ClearCase from time to time, but in its (mild) defense I'll mention some things I recall admiring about it: - I liked the way your (view of your) repository appeared as just a plain old filesystem hierarchy so you could operate on the files/ dirs therein with all the standard tools. We even kept the tool chains in ClearCase so we'd be sure to have all the correct compilers and stuff for recreating ancient builds. - I liked (what we used to call) The Wayback Machine aspect where you could easily fall back to whatever versions were current at any particular time - useful for quickly finding when something got b0rken. - I liked the ClearCase-aware make that could determine if (as was often the case) a given target already existed in somebody else's view and, if so, perform a "wink-in" instead of having to build it locally. On the other hand, anything but the most trivial deployment (in which case, why bother with CC?) requires a dedicated, savvy admin. Distributed development was difficult. And IIRC the customer service from Rational wasn't great... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: *sigh* I guess I'm going mobile (Linux-compatible smartphones?)
> When I plug that into my Linux box, it automounts, but there > is nothing there. Plugging into my work Win7, the iPhone also > automounts, but I get the directory with any photos taken by > the iPhone. [...] A conspiracy? My phone presents multiple USB mass-storage devices so it's possible yours does, too, but your various systems are choosing different devices to mount. Maybe try something like 'fdisk -l' to see what's presented. In my case I then used dosfslabel to name the internal and external filesystems in my DroidX2 and then added lines like these to my fstab: LABEL=DROIDINT /mnt/DROIDINT vfat defaults,errors=remount-ro 0 0 LABEL=DROIDEXT /mnt/DROIDEXT vfat defaults,errors=remount-ro 0 0 ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: *sigh* I guess I'm going mobile (Linux-compatible smartphones?)
> What smartphones will I have the least amount of trouble > with if I need/want to connect them with my Linux computer? If by "connect" you mean "move photo/movie/sound/ringtone/etc files between host and phone" then I'll echo Curt's response. My by-now-ancient DroidX2 behaves perfectly with USB (and Bluetooth, I assume, though I've never tried it) for approved activities like that, presenting two block devices - one for the permanent internal storage and one for the removable storage - that I can mount and access trivially. AFAIK there's no tool (linux or other) that enables non-powerusers like me to install/change apps on my unrooted phone; the only way is by connecting back to the mothership over the air via WiFi or 3G to ask permission and gain access to the approved app repositories. OTOH, if by "connect" you mean "use the phone as my computer's Internet connection" (AKA "tethering") that's a much more interesting - and usually expensive - matter. I've been curious about Clearwire as a possible solution to mobile Internet - anybody have any experience with them? The fact that they're going through a rather melodramatic acquisition battle involving Sprint and Dish Network makes me want to hang back until the dust settles, though... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Is this normal? (Google crawling my "hidden" content?)
> I don't think we can reach that conclusion. Jim posted a message > to the public GNHLUG mailing list that included a web address. Hey, right! now that you mention it (duh) isn't that how WWW indexing is *designed* to work in the first place? ;-> Forgot about the archived GNHLUG postings, and the mentions of Jim's URL therein are just the sort of reference the crawlers seek, rather than having to rely on "pure" from-the-root discovery. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Is this normal? (Google crawling my "hidden" content?)
> Any suggestion that LUG communication is being specifically and > intentionally monitored by Google or others would be laughable. > So can we please not go there? I didn't get the impression that specific monitoring of GNHLUG was suggested, just that it was surprising (disappointing?) to learn that URLs obtained from sources other than WWW crawling were used to get find WWW pages that were "hidden" using only a security-by-obscurity approach. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
RHCSA / RHCE ?
Would anybody here with an RHCSA / RHCE care to chat w/me offline about what it's like prepping for and obtaining the cert? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Presention software?
Bret Victor (definitely a Renaissance Man) will break your heart with this video of a tool for creating presentations that he says he'll be releasing... someday: http://vimeo.com/66085662 ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Mother of all xterms?
I watch this thread with bemused interest as I use (am deeply addicted to) CTWM, which was forked from TWM in order to add "virtual desktops" (now more commonly referred to as workspaces) and I believe that in this case the C refers to the first name of the guy who did the work, Claude LeCommandeur. It's an obscure little window manager but not an orphan - I contributed some changes upstream as recently as a couple of months ago. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Ethernet - WiFi bridge
>> there may be a use for that WRT54GL of mine with >> the blown WAN port. (mod - you had one too, right?) > >Yah, the WAN port on mine failed, as well. Hey, wait a minute! ;-> I think the one you have *IS* my old one - I offered it on this channel back in 2009 after the WAN port failed and didn't you claim it? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Ethernet - WiFi bridge
> It occurs to me (as I wait for the replacement fror my laptop's > WiFi/BT module *) that there may be a use for that WRT54GL of > mine with the blown WAN port. (mod - you had one too, right?) Yah, the WAN port on mine failed, as well. I believe there's nothing special about the port marked WAN - it's just that the factory software is only configured to use it as such - so if you flashed the unit with something like DD-WRT it should work OK with the remaining ports - just configure one as the WAN port. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Permissions on /tmp
> A subdir in /tmp can certainly have my ownership and permissions. > And I guess they can't delete the directory because it isn't > empty, but with permissions on the parent directory, can't they > move it? Picky, picky, picky. Well, for completeness I suppose we should mention the "deleted file" trick (not necessarily better than your flock trick) where your app creates its secret-squirrel file in /tmp and then deletes it while holding it open. (This trick is popular with malware eg. the Flash plugin) Your confederates can identify likely instances of your app using ps and then verify by reading the secret-squirrel file via the symlinked handle in /proc/$yourPIDhere/fd. Since the file has no directory entry it can't be deleted by friend or foe and only those with appropriate privileges can access it as described, and all traces vanish upon process termination. Example: # echo HiMom > /tmp/SecretSquirrelFile # sleep 1000 < /tmp/SecretSquirrelFile & [2] 29570 # rm /tmp/SecretSquirrelFile # ls -laF /tmp/SecretSquirrelFile ls: cannot access /tmp/SecretSquirrelFile: No such file or directory # ls -laF /proc/$(pidof sleep)/fd total 0 dr-x-- 2 mod mod 0 May 23 08:58 ./ dr-xr-xr-x 8 mod mod 0 May 23 08:57 ../ lr-x-- 1 mod mod 64 May 23 08:58 0 -> /tmp/SecretSquirrelFile (deleted) lrwx-- 1 mod mod 64 May 23 08:58 1 -> /dev/pts/0 lrwx-- 1 mod mod 64 May 23 08:58 2 -> /dev/pts/0 # readlink /proc/$(pidof sleep)/fd/0 /tmp/SecretSquirrelFile (deleted) # cat /proc/$(pidof sleep)/fd/0 HiMom ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Mother of all xterms? (command history)
Note that with bash if you say something like this: export HISTTIMEFORMAT='%Y%m%d%H%M%S: ' ...you'll see your history marked accordingly with timestamps. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Mother of all xterms?
There's some newfangled thing called Terminology: http://www.webupd8.org/2013/04/terminology-more-than-terminal-emulator.html I've never used it. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Permissions on /tmp
> the downside of tmp is that any process can also delete my > pid file (as opposed to having to be either root or the user > created for the program) Create a subdirectory of /tmp. Your PID file will be safe in there but still get tidied up on reboot. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
ARTICLE - Analysis of semtex.c exploit
A nicely readable analysis (if you happen to like this stuff) of the exploit recently demonstrated via semtex.c : http://timetobleed.com/a-closer-look-at-a-recent-privilege-escalation-bug-in-linux-cve-2013-2094/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
ARTICLE - Gigabit-to-the-home for $35/mo in Vt.
With some now ranking the US down near 30th worldwide (and falling) in terms of fastest/cheapest Internet availability, and with our monopolist carriers like Verizon/ComCast/Cox pretending like it's the Natural Order for things to be the way they are as they inflict "vertical integration" on their captive customers, I can't decide if this makes me want to cheer or sob: http://blogs.wsj.com/digits/2013/04/26/look-out-google-fiber-35-a-month-gigabit-internet-comes-to-vermont/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: FYI (large devices = looooonnngg processing times)
Even on just a silly little RAID1 mirror on a multi-Tb array I dread seeing the various messages announcing "routine" maintenance and diagnostic operations as they take forever and don't come for free, resource-wise... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Any Octave users? What is this code snippet actually doing?
> kmax=1; > kfactor=(kmax-1.0)/delta/(orderbc+1.0)/delbc^orderbc; > Unless matlab treats floats and ints differently than most other > languages, I'd say its a bug because zero over anything is always zero. Shame on anybody who'd intentionally code something like that without also providing a comment about such a seemingly counterintuitive approach. >-/ Let's hope it's simply a bug... Out of morbid curiosity, how does Octave report the value of kfactor after kmax=1 kfactor=(kmax-1.0) ?? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: google interview
> [...] guy sounded like he knew what he was talking about, > Computer Science-wise. Unless they have a rotating thing > where Google engineers have to interview a person every week > or whatever, he knew WAY more than he needed for his job. Overall, Google's standards seem high - no argument there. However, I know a number of current Google employees who got their positions as a result of being employed at companies Google acquired, and some of them have expressed doubts that they'd survive the Google hiring process even though they're thriving in their current positions... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: google interview
On several occasions I've heard (from Google insiders) about open positions inside (regional instantiations of) Google and even though the work involved was nothing that required the applicants to have 133+ h@x0r skillzz they still insisted on inflicting that ritual abuse crap on the applicants during the interview process. It seems to be some sort of fetish... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
TAKEN - Dr. Dobbs 1980-1984 plus Volume 1 Number 2
Magazines have been claimed. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
FREE - Dr. Dobbs 1980-1984 plus Volume 1 Number 2
Just unearthed some Dr. Dobbs magazines from the years 1980 thru 1984 (complete except for a handful of issues) and also Volume 1 Number 2 from 1976. Anybody want 'em? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Files, unlinking, access, oh my.
> Some processes do this deliberately for temporary files: > They create/open a new file and then immediately unlink it. > This yields an "anonymous file", which won't need to be specially > cleaned up, even if the program crashes. Bad Guys do this, too, because such "deleted" files aren't easily found so they draw less unwanted attention. One way to spot them is this: ls -lF /proc/*/fd ...where "deleted" files are marked as such. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: IPMI security article
IPMI was involved with reestablishing communications with your Dom-0 ? Interesting. Was that via Serial-Over-LAN? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Files, unliking, access, oh my.
>Can that space that the file takes up be overwritten during >this interim? Or does the OS hold the inode sacrosanct until >both references AND processes are no longer making use of it? Right - the OS's official record of a file's state is the (in-memory copy of the) inode - the directory entries are simply tags. Once a file is opened the kernel's relationship with that file is entirely via the inode and deletion of one or all of the corresponding directory entries has no effect on that relationship, which persists until the refcount goes to zero, ie. all procs that had it open have closed it. Only then will allocated disk space be released and eligible for reuse. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
[OT] Corner cases in Ruby/Javascript (WAT!)
For entertainment puprposes only: a brief (4:18) video poking fun at corner cases of some Ruby/Javascript operators/syntax - http://www.youtube.com/watch?v=D0EIZa5e9q4 ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: grep for craigslist?
> I've already contemplated such a move... (my service would > be called Greg'sList... it's Craigslist, only better :-) > But, their TOS explicitly limits any such possibility. Heh. Their interface is so easy to scrape (and the sheer volume of stuff available so overwhwelming) that various sites that aggregate/filter/repackage Craigslist content are constantly popping up and being shut down. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Bunny Huang's tour of a USB memory stick factory
http://www.bunniestudios.com/blog/?p=2946 ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Looking for Acme Packet employee (nothing to do w/Oracle!)
I got no responses to my previous request, which I now realize (in light of their impending acquisition by Oracle) might have had something to do with my use of the term "insider". This is nothing to do with that; just an employment-related inquiry about corporate culture, work environment, etc, ideally from somebody familiar with their platform dev team. Anybody?(possible referral bounty...) ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Looking for any Acme Packet insider
Looking for any Acme Packet employee - I have a few questions about the company... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Looking for Acme Packet insider
To whomever it was at the GNHLUG presentation last night that said they're with Acme Packet: please contact me. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Linux-centric curricula in New England?
Are there schools in New England that grant undergrad technical degrees (IT or CS) where the courses and professors emphasize Linux and FOSS rather than being thinly disguised proxies for Micro$oft's marketing dept? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
TAKEN - one APC SmartUPS (model su1400rm2u)
Item has been claimed. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: FREE - one APC SmartUPS (model su1400rm2u)
Some corrections/additions to my original post: It's a 1400 VA unit, not 3000 as implied by my accidentally pasting the wrong string into my email. APC Smart-UPS, 950 Watts / 1400 VA Also, I've seen some search engines return pix of the deskside freestanding unit when using su1400rm2u as a search term, so be aware that this is the rack mountable 2U version. > Offered is one APC SmartUPS 1400 (model su1400rm2u) in > original packaging. > > I have never seen this unit in operation but I was given > it in supposedly unused condition when Mission Critical > Linux failed in 2002 and it's been in storage ever since, > so what I can say is that it's not-known-not-to-work. > > - This unit has a 30-amp plug so don't expect to connect >it into your standard houshold-type AC receptacle. > > - It's heavy. > > - Not sure how the battery will have fared in storage but >when I searched online earlier this year replacement >battery packs were under $100. > > We're near Drum Hill in North Chelmsford . ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
FREE - one APC SmartUPS3000 (model su1400rm2u)
Offered is one APC SmartUPS3000 (model su1400rm2u) in original packaging. I have never seen this unit in operation but I was given it in supposedly unused condition when Mission Critical Linux failed in 2002 and it's been in storage ever since, so what I can say is that it's not-known-not-to-work. - This unit has a 30-amp plug so don't expect to connect it into your standard houshold-type AC receptacle. - It's heavy. - Not sure how the battery will have fared in storage but when I searched online earlier this year replacement battery packs were under $100. We're near Drum Hill in North Chelmsford . ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: ARTICLE - Bunny Huang (Chumby and such) building open source laptop
>> The aim, however, is not to produce a cheap laptop for Huang, >> it's more about the exclusivity of a handmade product of this >> kind and it would be priced to reflect that. > >It seems like there's room in the laptop market between "cheap" >and "artisanal". Yah, I'm happy to enourage his efforts but if he ends up with what amounts to just another obscure, custom design I sure don't want to pay boutique prices for it. Chicken and egg? The dream, of course, is to somehow end up with open "standards" for laptop/fondleslab/tablet paraphenalia (power supplies, cases, connectors, peripherals, etc) as we have for desktop boxes... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
ARTICLE - Bunny Huang (Chumby and such) building open source laptop
Traffic has been light here for some time - hope y'all are well. Season's greetings, etc... http://www.h-online.com/open/news/item/Chumby-developer-building-open-source-laptop-1771223.html ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: grub issue
H, semi-repeatable failures to boot all the way up to a GUI-based login? My first guess might be: - Maybe your graphics subsystem couldn't be initialized. Maybe your adapter has problems after a warm boot? Maybe driver not allowing enough time for initialization? Maybe compare output from "lsmod" for each case? See previous suggestions about /var/log/Xorg.0.log and friends. Another (rather less probable) shot-in-the-dark guess: - Maybe GRUB is intermittently loading the wrong kernel or handing it the wrong commandline. Are we sure you're running the same kernel in both situations? Maybe compare output from "uname -a" and "cat /proc/cmdline" for each case? I only mention that because the sort-of-cyclic nature you described made me think it's just barely possible you're enjoying some variant of this little bit of GRUB hell: https://duckduckgo.com/?q=GRUB_SAVEDEFAULT+GRUB_DEFAULT ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Asus USB-BT211 / Atheros AR3011 firmware loading?
You've so far done everything right; ath3k is the correct device-specific driver for the USB gizmo in question and /lib/firmware/ath3k-1.fw is the correct firmware file, in the proper location, and the USB infrastructure even noticed the device and reported some generic info about it. Unfortunately, you're likely enjoying a known bug in the handling of that device: https://duckduckgo.com/?q=0cf3%3A3000+firmware ...so backports may be the path of least resistance. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: HTTPS connection attempts from Facebook?
>> When you say "nuke the connection attempt" do you mean >> [...] > >Nuke as in (continue to) deny the connection attempt. Cool. Hmmm, I did end up in a situation recently (and reluctantly) where I was obliged to install a Firefox add-in involved with use of MacroMedia's AdobeConnect (grrr! don't even get me started griping about *that* little bit of hell...) though the other party was not Facebook so it didn't occur to me that there might be a connection. But now that I think of it I might have read some war stories about debugging early versions of that add-in and IIRC somebody might have mentioned that opening up port 443 on their firewall was somehow a remedy for some problem, so maybe they're related...? I don't get the Facebook connection but then so many WWW sites these days have been rigged with XSS attacks^H^H^H^H^H^H^H "Like us on Facebook!" buttons that one never knows... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: HTTPS connection attempts from Facebook?
>> It's *just* a home connection? No services? Nuke the connection >> attempt. > > If you're on a network with DHCP (most residential connections), > it's possible someone else wrote an app that points to a DNS > name that points to your IP address. Still safe to nuke it. When you say "nuke the connection attempt" do you mean kill the process that's attempting to open the connection? I can't, because it's an inbound connection and that process is (apparently) somewhere inside Facebook. I only have control over the response at my end which, in my case, is nothing at all since the port is blocked, with failed attempts logged as shown. An nmap scan of the machines behind my firewall currently shows nothing (legitimate or otherwise) listening on port 443, so I don't have any suspects to "nuke" at the moment here inside the walls. I was mostly just wondering if these connection attempts are examples of some intentional Facebook behavior, or whether I should instead bring it to their attention as evidence that one of their systems (or personnel) may have been compromised. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
HTTPS connection attempts from Facebook?
This is the second time this week that my firewall has reported the following: [DoS Attack: ACK Scan] from source: 69.171.227.60, port 443, Sunday, August 05,2012 20:25:40 The reported IP address is within a range owned by Facebook and DNS shows a hostname that (FWIW) is at least plausibly in keeping with corporate naming schemes. I do have a Facebook account and may or may not have allowed a "session" to remain active overnight, though I'll claim that shouldn't matter as I ask the following: is there *ANY* legitimate reason why anything should be attempting to connect from Facebook to my home IP address, which offers no such services? I assume, of course, that the answer is "No". ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Malware for Linux
>> Those who use terms like "immune" or "virus-proof" when >> discussing Linux do everybody a disservice since neither >> is true. > >Ouch. Ooops. I forgot about your signature line. ;-> > I gave careful consideration to adopting my current signature > line, for exactly the reason of the problems of conveying an > inference of "immune" -- when that is not, and cannot possibly > be, the case. Ah. I'll probably concede any point you want to make about the dictionary definition of "-proof" as a modifier not meaning "perfect", but definitions and proper usage often seem to matter less than we'd like. (And, yes - I *could* care less! >-/ ) The security-is-a-process-not-a-product dictum reminds us of our burden; the "process" of security costs vigilance and resources. So, given any problem P, calling a thing "P-proof" makes it tempting to tick the SOLVED box and move on; vigilance wanes or vanishes, dictionaries remain safely undisturbed on the shelf. News-beings reporting on high profile penetrations or malware infestations these days don't even bother to mention a specific OS or vendor; the generic term "computer" is sufficient and, statistically, it's likely that the reporter and most of the audience all conjure the same image when that term is used. It's to the point where the only reason it's newsworthy to mention the OS in question is when it's *not* Windows or Mac. Since it's likely (inevitable?) that compromised Linux systems will someday be involved in sensational headlines, I'd think it would be even more humiliating if somebody can dig up claims that Linux is "virus-proof" or "immune" or "uncrackable" or... FWIW, some term that conveys the "process" idea, or the notion that "perfect-security-is-impossible-but-we're-better-than-most" would be preferable. I sorta like "hardened". --M (Bill, I didn't mean to single you out, and if my life depended on cracking your machine I'd be damned sure my will was up to date.) ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Malware for Linux
Those who use terms like "immune" or "virus-proof" when discussing Linux do everybody a disservice since neither is true. We are, for now, statistically less likely to be compromised because there aren't as many of us and because privilege separation has been more the custom with us than with Windows users. Those factors are changing, though... > Once it has found out which operating system you are running, > the Java class file will download the appropriate flavour of > malware, with the intention of opening a backdoor that will > give hackers remote access to your computer. Do we know the nature of the compromise when the "flavour" is Linux? Is the JVM itself vulnerable or are additional non-Java scripts/binaries brought onboard? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Obtaining user input via interactive child proc
> I've thought about this problem during my commute for a week
> now, and I haven't been able to come up with a simple solution
> that satisfies the constraints.
It's an interesting puzzle. You mention constraints but we
don't really have a clear "problem statement".
> [...] the problem could be solved simply with a small
> temporary file that parent+child agreed to use. A robust,
> simple implementation could probably be put together in no more
> than 10 minutes. I'm a big fan of "simple".
Me, too, though communicating results from the interactive process
back to the parent process (the one desiring User input) may only
be part of the puzzle. If we hope to provide a flexible solution
we should allow for the possibility that no TTY style interaction
may be possible. Does the parent have its std{in,out,err}
connected to something suitable for interactive use, or indeed
to anything? Maybe it's a daemon or something launched from cron.
An X-based solution could still work in such circumstances; it
might even be preferable in some ways as it would likely leave
std{in,out,err} free for communications with the parent.
___
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Re: Capturing file descriptor 3, or alternatives.
> What I haven't figured out is how to return the results to the > parent shell. Not because I can't write it somewhere other > than the tty, but because I don't know how to get the shell to > hook up a pipe to that extra fd, to which I can write, and from > which the shell can later read (while leaving the tty connected > to the usual fds. I was suggesting the possibility that an existing tool might help you by somehow interacting with the user via some channel other than stdout and then uttering the results back to the parent shell via stdout, relieving you of the task of messing with additional pipes and such. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Trying to remember a quote on SPAM...
I can't supply a specific quote but I've previously seen some anti-SPAM measures likened to Lupus and RA (Rheumatoid Arthritis) as examples of autoimmune systems run amok. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Capturing file descriptor 3, or alternatives.
Here is a more complete list of candidates some of which may handle the fd gymnastics in question for you and then simply utter the desired results on their stdout: Python: python-dialog - Python module for making Text/Console-mode user interfaces Text: dialog- Displays user-friendly dialog boxes from shell scripts kommander - visual dialog builder and executor tool ssft - Shell Scripts Frontend Tool whiptail - Displays user-friendly dialog boxes from shell scripts X11: xmessage - display a message or query in a window (X-based /bin/echo) gxmessage - xmessage clone based on GTK+ zenity- Display graphical dialog boxes from shell scripts kaptain - universal graphical front-end for command line programs ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Capturing file descriptor 3, or alternatives.
Is something like whiptail ruled out? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Tracking The Trackers (was StatusNet, anyone?)
>> Is that the one that gives you a map of the URLs that are >> receiving information from your cookies? > >Wait--what? He might be referring to Collusion - fascinating: https://www.mozilla.org/en-US/collusion/ http://www.ted.com/talks/gary_kovacs_tracking_the_trackers.html SEE ALSO: http://www.ghostery.com/ http://noscript.net/ https://addons.mozilla.org/en-US/firefox/addon/adblock-plus/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: GRUB2 problems [was: Errors scrolling]
I believe that if you hold down the Shift key at strategic points during GRUB2 startup it will present the interactive menu that allows you to edit the boot commandline instead of just hurling itself off into the void... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Am I 32-bit, or 64-bit?
> I have seen that in 64-bit Linux, 32-bit processes tend to execute > a bit faster. I've seen a number of cases where 32-bit apps run > faster than their 64-bit version, but I've also seen 64-bit apps > run faster than their 32-bit versions. The 1g/3g memory split I mentioned allowed the kernel to "share" the page tables with every process rather than using a dedicated supervisor page table, obviating the page table switch (and the associated TLB flushes, etc) that would otherwise be incurred with every crossing of the User/Kernel boundary. Since the x86_64 kernels do use a dedicated supervisor page table I have to assume that some syscall-intensive 32bit apps do run a bit slower than they would on an "equivalent" (whatever that means) x86 kernel. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Am I 32-bit, or 64-bit?
> In the meantime... is there any possible downside of having > a 64-bit kernel in a 32-bit userspace? Everything -- drivers, > camera, apps -- seems just ducky. I've seen instances where 32bit apps and libraries disagreed with some 64bit drivers about the layout of the data structures that get passed back and forth (earlier versions of the FireWire driver versus libraw1394 come to mind) but in general, stuff should Just Work. The 32bit binaries execute natively (ie. no emulation or translation overhead) and I think by now most kernel code has been taught to do the right thing when it sees that the current process is a 32bit binary. One upside is that the 32bit processes are able to address an extra Gb of memory since the kernel no longer claims the top 1/4 of their address space... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Am I 32-bit, or 64-bit?
> but they've heavily favored the 32bit version and seem either > unable or unwilling to produce and support a stable 64bit plugin. I meant to say "...to *consistently* produce..." In fairness, the 64bit Flash plugin I have running with Firefox right now has actually been quite stable, especially compared with some of the preceding 64bit versions, or with the 32bit versions when executed via the "helper" process, which is (I think) different from Firefox's separate plugin-container process. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Am I 32-bit, or 64-bit?
> What does 32bit do that 64 won't? Besides browser plugins, > though that's gotten beter too. Lack of 64bit browser plugins (particularly Flash) is a big deal for some. Adobe's official stance on the matter has been all over the map (I don't know whether their problem is technical or political) but they've heavily favored the 32bit version and seem either unable or unwilling to produce and support a stable 64bit plugin. The most recent announcement from them that I'm aware of is that they (once again) plan to abandon the 64bit version altogether. It's possible to run the 32bit plugin using some kind of "helper" process but the last time I tried that (admittedly some time ago) it was too unstable to bother with. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Am I 32-bit, or 64-bit?
>On Thu, 05 Apr 2012 10:29:23 -0400 "Michael ODonnell" > wrote > >> BTW, for recent kernel sources I think the value you wanted to >> use for ARCH is i686 rather than i386, even though the latter >> may be what the "arch" command reports. > >Well... here's my /usr/src/linux/arch directory: [...] >avr32 frvKconfig mipspowerpc sparc x86 Wooops! dainbramage... I meant to say that my arch command reports i686 but (as you've indicated) that's not one of the options. This is what works for me: ARCH=x86 make V=1 ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Am I 32-bit, or 64-bit?
It'd take some pretty bizarre build errors to generate a kernel that describes itself as x86_64 when it isn't. Therefore, (assuming you're really running in the filesystem that your x86 system was based on) what's likely happening is that the exec() machinery that allows mixed use of x86 and x86_64 binaries is doing its thing and it wasn't until the Chrome installer asked the kernel which flavor it is and then started looking for the (absent) x86_64 loader and libraries that you even noticed. BTW, for recent kernel sources I think the value you wanted to use for ARCH is i686 rather than i386, even though the latter may be what the "arch" command reports. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: CLVM + DRBD dual primary? (was Re: replicated file system?)
> To my knowledge DBRD can only do mirroring. So no higher RAID > levels are supported. That's my understanding, too. So, in an Active/Standby situation (at least the ones in the configs we had rigged up) DRBD could provide you with a hot block-level copy on the Standby machine that you'd hope to carry on with after a failover. However, being a hot copy means any filesystem metadata would be in whatever state the failed node left them, which may or may not be an acceptable risk in some situations. Some sort of distributed filesystem (on redundant storage) shared among all the machines in question seems preferable... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: replicated file system?
> (DRBD>LVM>iSCSI>Heartbeat) Heh. I suspect that will somehow look familiar to Mr. Lussier... ;-> He did indicate a wish to have an Active/Active rig but I believe that approach only allows Active/Standby, yes? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Protecting privacy
> Here's the problem I ran into: I wanted to be logged out when > using Google as a search engine. [...] I don't even use them > for that anymore, so it seems kind of moot, but with their web > bugs and trackers all over it really isn't. I use https://duckduckgo.com/ in an attempt to at least hinder the wholesale collection of info about my browsing habits and WWW searches. Developments such as Evercookies or the recent complaints about Google "accidentally" ignoring browser's privacy settings make one wonder if it isn't a quixotic waste of time, but Illegitimi Non Carborundum... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
OBTAINED: temporary use of a zip100 drive
Thanks to all. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
WANTED: temporary use of a zip100 drive
Hoping to briefly borrow a drive capable of reading zip100 media. Discovered a small number of zip100 disks in an office environment where the corresponding drives are no longer available and want to see if the disks contain any data of value to the company before discarding them. Alternatively, might instead travel to your location (I'm in Chelmsford, MA) and use your hardware to quickly dd the images to my USB Flash drive for later analysis. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Slashdot: NH Passes Open-Source bill
Would that all bills before legislative bodies were that readable and straightforward. Nice work. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Accessing partitions in drive images
> Anything old will have its share of historical accidents, to be > sure. But there's reasonable design failings, and then there's > design by the infinite monkey method. You have insulted an infinite number of monkeys. IBM used to publish the source codes for their BIOS in the little 3-ring binder full of docs they supplied with each PeeCee. Let's be charitable and just say that they were clear evidence that the author(s) had little (if any) experience with assembler language programming or the 8088 architecture. At best (we surmised at the time) they were an attempt to more or less blindly translate fragments of CP/M code from 8080 to 8088. Naturally, that glop was enshrined as a global standard... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Accessing partitions in drive images (was: drive recovery of dual-boot system)
> Filesystems (and therefore "fsck" targets) reside on partitions > of the disk, something like "/dev/sdc3", rather than the entire > device (or an image of it). This is inherent in the design of the > system and is independent of the types of filesystems or how they > are mixed. Picking nits here: most filesystems do normally reside on partitions but that's not actually inherent in the design of the system, it's just a very sensible convention. It's certainly possible to write a filesystem onto (say) /dev/sdc (the whole disk rather than a partition thereof) and then mount /dev/sdc somewhere; in my experience everything Just Works. That violates the Principle Of Least Astonishment these days, though, so use partitions unless you have a clear need to do otherwise. And, certainly, in the OP's case where his dd'd image was pulled from a partitioned device, an fsck run against that entire image (instead of one of its partitions) is guaranteed to fail. > In order to access partitions within an image file, you want > the "kpartx" utility: > > http://linux.die.net/man/8/kpartx A very handy tool. Before kpartx I'd compute offsets of partitions by hand when rummaging around inside partitioned images, using loop devices to access them. Fun... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: Testing direct IO with FIO
Does your strace output show any fcntl() calls? I believe it's possible (maybe even necessary?) to set attributes like O_DIRECT and O_ASYNC using fcntl() as well as during the original open(). ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
WANTED: rebuildable/salvageable computers/components
I've been assembling computer systems from donated/scavenged components, installing Linux and then giving them away on Freecycle to folks who are glad to receive them, no matter how humble the machine. I naturally prefer to obtain otherwise functional systems whose only affliction is the presence of Microsoft products on the disk (easily cured) but I've also created some Frankenstein monsters with components from several other carcasses. So, if you're tossing a machine (or usable components thereof) please consider sending me a description and I might be able to put all or part of it back into service instead of it ending up wasted in a landfill. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: home design + construction + landscape design software? (CAD)
Coincidentally, GigaOM recently posted this: http://gigaom.com/cloud/grabcad-grabs-4m-for-open-source-cad/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: home design + construction + landscape design software? (CAD, remodelling)
I'd forgotten that I, too, have a friend (in an NYC architectural firm) who recommends Google's Sketchup. I've not used it. I daydream about being able to walk around the house snapping photos and feeding them to some app where I click on key points while specifying dimensions and such, from which the app then deduces the entire layout and generates a manipulable wire-frame, 3d renderings, a materials list, etc, etc. [ IIRC, I may have seen a gizmo on This Old House that will scan a room with a laser and do many of the things in my wish list, but it's probably expensive and almost certainly not Linux-related. ] ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: home design + construction + landscape design software?
Yeah, to really be useful a program like the one you (many of us!) are looking for ends up being a serious CAD system and, unsurprisingly, nobody's giving those away. I've used that sweethome3d and it's nice for fooling around with general layouts (even that took me a fair bit of noodling) but back when I tried it (approx 2 yrs ago) I concluded it was unsuitable for planning an actual remodelling project. I still have some of the images I rendered: http://b0rken.com/20091214kitchen/ ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: mint
> My solution was to flip gnome 3 the bird and switch to XFCE. Me, too - I switched to the XFCE-based Xubuntu. ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: SCP from STDIN: "-t" option undocumented?
>> Maybe a patch to the scp manpage would be accepted, with that rationale? >> >The issue IMHO, is the lack of documentation for the -t option. Can't you guys agree about anything? ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: SCP from STDIN: "-t" option undocumented?
>Use it anyways, no one has ever accused you of being a human -=] > >Patrick [ahem!] Yes, well, on that note, I offer my wishes to the sentient beings on this channel (and also to Patrick) that this season brings you all the happiness you might prudently wish for... ;-> ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: SCP from STDIN: "-t" option undocumented?
Having just now quickly RTFSC and done a few superficial experiments I conclude that the -t option (mnemonic for "to"; there's also a secret "from" flag -f) is not suitable for use by humans. It tells scp that it's in "server" mode and should expect to communicate with its counterpart using some undocumented protocol that appears to mix commands and data in-band via stdin. That's not the droid you're looking for... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
FREE - collection of RJ11 phone cords
Offered is an assortment of phone cords (approx 100 pcs) fitted with RJ11 (standard 4-conductor) connectors. Cables range in length from a few inches to approx 10ft, many still in original packaging. Found these leftovers from a failed startup while cleaning the basement... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
Re: [semi-OT] SPAM email headers don't mention my email address?
Yah, I had believed that the headers were consulted (rather than merely updated) as the message was transferred from server to server, but there's apparently some other (or additional) conversation taking place between the servers that governs routing. Yet more stuff to put on my list of things-to-read... ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
[semi-OT] SPAM email headers don't mention my email address?
I'm getting much less SPAM in the last year or so (yay!) and I gather that's at least partly due to the shutdown of some botnets. And I hate to say anything positive about ComCast but I think another factor is that their filters are pretty good. SPAM volume is now low enough that it's remarkable when one gets through, so when one arrived this morning I had a look at the headers and it reminded me of a question I've had for some time: How does a message like this get delivered to me even though the headers (at least those present in the message as delivered) never mention my email address? Last time I started to look into this (over a year ago) I think I got as far as concluding that the trick somehow involved the Blind-CC mechanism but then I got distracted by another matter and didn't pursue it. Headers shown below, FWIW... ### BEGIN SPAM HEADER ### Delivery-Date: Sat Nov 5 11:39:36 2011 Return-Path: brittnyleonardo3...@yahoo.com Received: from mail.g.comcast.net [76.96.58.11] by e521 with POP3 (fetchmail-6.3.21) for (single-drop); Sat, 05 Nov 2011 11:39:36 -0400 (EDT) Received: from imta26.emeryville.ca.mail.comcast.net (LHLO imta26.emeryville.ca.mail.comcast.net) (76.96.30.79) by sz0013.wc.mail.comcast.net with LMTP; Sat, 5 Nov 2011 15:39:08 + (UTC) Received: from nm7.bullet.mail.sp2.yahoo.com ([98.139.91.77]) by imta26.emeryville.ca.mail.comcast.net with comcast id tTez1h00k1g8YXW0STezhX; Sat, 05 Nov 2011 15:38:59 + X-CAA-SPAM: F0 X-Authority-Analysis: v=2.0 cv=UarTuduN c=1 sm=1 a=WrUgakHed+VHdk3FP2kkYg==:17 a=VCTXmKFSj3YA:10 a=f8_S3n9t2uQA:10 a=H7Y_atK7Me4A:10 a=oJL9TIRMo0YA:10 a=pGLkceIS:8 a=d5TIXxZOcTKd8YHvlXoA:9 a=yJ_A2M10WgLnzVu7Dy0A:7 a=wPNLvfGTeEIA:10 a=3ZprHQtiFTkA:10 a=MSl-tDqOz04A:10 a=TouV6AKij8TjZf_4:21 a=rTzPMkiFUQVI_asP:21 a=hwKpi8rf1Y5EqC0roIQA:7 a=9daKMJ2I1S0dwtf8Y3hdTg==:117 Received: from [98.139.91.70] by nm7.bullet.mail.sp2.yahoo.com with NNFMP; 05 Nov 2011 15:39:06 - Received: from [98.139.91.5] by tm10.bullet.mail.sp2.yahoo.com with NNFMP; 05 Nov 2011 15:39:06 - Received: from [127.0.0.1] by omp1005.mail.sp2.yahoo.com with NNFMP; 05 Nov 2011 15:39:06 - X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 330244.25735...@omp1005.mail.sp2.yahoo.com Received: (qmail 29188 invoked by uid 60001); 5 Nov 2011 15:39:05 - DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1320507545; bh=djPEoozqfRJKQbYHAd1etW1lhDCPWfD2jWmr1jlw4Rc=; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type; b=YAEutoO7YBhOjTh5HSo+bIm6ldM0/dw8GgoVSyI/VgYs87HFxDM9CCfh0p9DBXq3Yizq5jrHRtRQojLAqMfSv8KHijTIBnjTjcmc6Yc78LeZko5rKDu7lYsQeTlLsMd19TFzokOMrjY3P9tI1j7FckRRhVgugTyMmM71zchhATs= DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type; b=dL39anKC5jcG7ZNKcTM/x6c8xN0ylWnakX2WCLfVB5y3Kd3mkCZDmtSwdRb2SI7gqadbo5FnCxvFTFXFo76rrBeaVH91EmJ8RjPCXdW5cjBk78zzXwtmfrNRqk5PdOKFNZxJiNhPXjbEBPLm+nZRVwHAaBsIx1hzz/VttzuRmUs=; X-YMail-OSG: bFbjLbcVM1lU92viLeIGHB8MjhPuQjk_J23PN8wcsE1uVkW WLGrBSs353_n8jEocwZDm7I09r6gQ6ePFG9.4ZypoMkYoD6T2lczAR5jqRsd yzFUGG45AKBuN9f8odZXPPqamfz9.ngjencm.7BYynPMxWl_C3jdzIHTKDpe Wjl8JIrL_D61z5z8cJc9Tjb9EDoksZRhSfFggh6uITrAQywSc_5CYl1_IFYP G2YkDWFGn.ZfO2oaQdNBOKTaeV5weeN9io7CXP670Ja3sfFiT.HA_ERHj_dr 2UBjmXua8LTxZeQu0j6f.mgisG8QCI7fPb1R2_FwNeBw49IArLqfFTBtKG.O goFk5AX.Rom1yeZ_CgnmROQGKfa.ipLkO5J143WpxRlYWkyvhw3aYyGlfDSR Q3Hl5W7CQxqqLxiunoM.IlEU3QSAYDvi_h4W4QGRfGCBcz3du.uZsWgeYqPb PUuqXMw78uJAo2nZVqHeiRgE6kYZKB4gYWw-- Received: from [118.160.227.201] by web114503.mail.gq1.yahoo.com via HTTP; Sat, 05 Nov 2011 08:39:05 PDT X-Mailer: YahooMailWebService/0.8.114.317681 Message-ID: <1320507545.27826.yahoomail...@web114503.mail.gq1.yahoo.com> Date: Sat, 5 Nov 2011 08:39:05 -0700 (PDT) From: Brittny Leonardo Reply-To: Brittny Leonardo Subject: Solidworks 2011 SP / AUTOCAD / PTC PRO ENGINEER / MASTERCAM / CATIA To: "brittnyleonardo3...@yahoo.com" MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="1319625832-2004875909-1320507545=:27826" --1319625832-2004875909-1320507545=:27826 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hello,=0A=A0=0A=A0 =0A=A0 It has come to my attention that you might have a= n interest in purchasing =0Athe operating system=0AWindows 7 Ultimate versi= on & OFFICE 2010 =0A.=0A=A0=0A=A0 I am selling Windows 7 Ultimate DVD --- t= he FULL Ultimate version. =0AThis is not the retail version from the store = shelf, but it is the one that =0AMicrosoft gives out at=0AIT Professional C= . . . . ___ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-dis
