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Random Lock-ups of my Ubuntu Box?
by James Bensley 23 May '10

23 May '10

Hey List, I have an Ubuntu 9.10 box on which I recently created a software RAID6; you can see what it looks like in rather good detail if I may say so my self ;) here: http://i48.tinypic.com/30jrbdl.jpg After this set up was all done I shut the machine down for the night. Now when I boot the machine up to start using the array it wants to run the file system check utility, fsck I believe (like it normally does, every N days or N mounts, "which ever comes first"). This is fine, I assume it wants to do this because its a new volume and I like to know everything is working fine so I would always let this run on any of my machines but on this machine, it gets to the desk top, I can see the process is running via top or the process monitor, but within 1 minute of being on the desk top the machine will locks up and is unrecoverable so I am forced to turn it off? This happens every time, so ever since a week ago when I first made this RAID array, I haven't actually used the damn thing yet! I can't understand why this would be; I thought it may have been the power supply as it is only 250 watts but I have the machine connected to a watt meter and I added the drives one at a time watching the watts increase, we are only at 140 Watts? I had thought that maybe it was to many devices on one single power cable coming out of the power supply as I have had to use splitters on the power cables so I swapped the power supply out temporarily for one in another machine that is rated for 500 watts and had more power cables coming out of it but no...I also stood another machine next to it, turn them on at the same time and used the 2nd machines power connectors to power some of the drives so the power was shared between the two PSUs, but no it still locked up Next I thought it was the south bridge being over run but surely it wouldn't of been able to sit there for 20 hours building the RAID and formatting it? Is it possible that the building of the RAID wasn't very intense and now its all set up, when it tries to boot to the desktop and run fsck this is now making the drives work hard and so that only now the systems weakness is showing? (I did try increasing the south bridge voltage but the options in the CMOS are very limited and so I think there was a difference, it stayed on the desktop for 2 minutes before locking up instead of 1, but I can't remember, this would need validating). I would love to hear anyone's thoughts on how I can get this working again? P.s. sorry for the length! -- Regards, James. http://www.jamesbensley.co.cc/ - There are only 10 kinds of people in the world, those who understand trinary, those who don't understand trinary and those who don't understand trinary.

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time for an upgrade
by nev young 22 May '10

22 May '10

Hi, So I've been running kubuntu 8.04 (i386) for a couple of years now on my main PC and I'm seriously thinking of loading up ubuntu 10.04. Mainly because both laptops run ubuntu (one 10.04 and one 9.10) and the differences between gnome and kde keep catching us (me & the missus) out. I'm thinking of using the 64 bit version of 10.04 to get more out of the machine[1] but can not decide whether to load ubuntu server and load the destop bits or load ubuntu desktop and load the web and file server bits. Any advice or suggestions over and above my current plan of split the root partition[2] into 3 and have a triple boot to try each in turn. -- Nev [1] AMD AthlonX2 64bit dual core @ 2.2GHz [2] 135GB free, 9% used.

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Re: [ALUG] ALUG meeting lift?
by Anthony Anson 20 May '10

20 May '10

Srdjan Todorovic wrote: > On 20 May 2010 17:03, Anthony Anson <tony.anson(a)girolle.co.uk> wrote: >> Srdjan Todorovic wrote: >>> Have you managed to find someone that can give you a lift? >> Unfortunately, no. >> >> It's a bit late now, as my bus to Norwich leaves at around 9.50 am. >> >> It'll have to be next time now. >> >> (Besides, I spent a bit more than I ought to have done on homebrew kit and >> ingredients yesterday...) > > Ah. It's just that I will probably be leaving for Norwich soonish > (maybe - possibly having food in a different pub with some other ALUG > people before main pubmeet), and I am based in Wymondham. Next month might be a better bet, I think, if the offer is still open, and if I haven't got the motorcycle on the road by then. (Have to renew my licence too, as I've reached a 'landmark' bidet.) > I usually leave the pub at about 10:45 pm ish... so might have been > able to give you a lift back. Only problem is I have no idea where you > live... The Wymondham end of Bunwell... > If some fuel money was on the table (a fiver?) then I could perhaps > give you a lift if you are not going to stay past sort of 10:50pm ish. > > Otherwise, not sure anyone else is going past your area.... Looking in my wallet, there's a big hole there with about fifteen quid unspoken for, cowering in the corner. This has to last me until Monday. OK, if in Norwich I could raid the hole in the wall, but it is getting a little late in the day for tidying everything away into the workshop, cleaning-up and finding a presentable change of clobber. Been power-sawing logs... -- Tony Anson www.girolle.co.uk/

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Mystery!
by Ted.Harding＠manchester.ac.uk 20 May '10

20 May '10

Sorry to be completely off-topic, but there's quite a few of you who are savvy in rare areas; plus, you're local! Scenario: At times during the last few days I've seen a low-slung white car/van driving around. It has "Anglian WILLHIRE" on the sides. On the roof is mounted a blackish flat plate, about 15in x 9in in size and angled so that it is elevated about 45deg above the horizontal and facing forward. Perpendicular to this plate (therefore pointing upwards at about 45deg to the vertical) is an array of rods, which seem to be about 3in long and about 1/2in (or a bit smaller) in diameter. I couldn't count exactly, but I'd say it looks like a 4x6 array. (All quantities in this description are approximate!) I first saw this vehicle driving over the farmer's field opposite my house last week, some yards in from the edge and driving parallel to the edge. It was actually driving on the earth of the field, not on any track. I've subsequently seen it 3 times, driving along the road (a) between my house and the fields, (b) coming back over the bridge to the NorthEast over the Little Ouse river. See at postcode CB7 4TG on google maps for topographical reference (The "A" pointer you will get is close to the point from which I first observed it). Clearly this is monitoring something, but I cannot imagine what. What would the little rods on the plate be for? Any ideas? With thanks, and apologies once again for going OT! Ted. -------------------------------------------------------------------- E-Mail: (Ted Harding) <Ted.Harding(a)manchester.ac.uk> Fax-to-email: +44 (0)870 094 0861 Date: 19-May-10 Time: 11:09:34 ------------------------------ XFMail ------------------------------

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[ALUG Announce] Norwich Meeting Thursday 20th May @ Coachmakers, Thorpe Road.
by Steve Pearce 19 May '10

19 May '10

ALUG Announce Please send announcements to Announce(a)lists.alug.org.uk Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce ----- Due to last week's football madness, the second Thursday monthly meeting for Norwich was cancelled. Several regulars have confirmed they will be getting together this Thursday to make up for it. The meeting will be held at the usual venue from 8pm: The Coach and Horses 82 Thorpe Road Norwich Norfolk NR1 1BA Website: http://www.thecoachthorperoad.co.uk/ Hope to see you there! Steve ----- Send discussion replies to main(a)lists.alug.org.uk (Reply-To set) Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce

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MP3 Plays Only In Command Line
by Simon Royal 18 May '10

18 May '10

Hi I am still battling with sound on my ThinkPad 600 running Xubuntu. I have managed to get some sound and even play MP3 via command line - mpg123 and mplayer. But I cannot get any program to play it. It either doesnt play at all or plays so crackly you cant even hear the music. Is this a hardware limitation or am I doing something wrong? Please help, I am a fairly new Linux user. When using mplayer via command line I noticed that it said 'pulse' is this the audio output engine/settings it is using as under Mixer there is also a mention of Pulse under one of the Output options - along sine OSS and Alsa. Your help would be greatly appreciated. Simon Royal --- Twitter: http://twitter.com/SimonRoyal - LowEndMac: http://tinyurl.com/macspectrum - Skype: Simon-Royal. --- IBM ThinkPad 600 running Xubuntu 10.04 & Apple iBook G3 running OSX 10.4. _________________________________________________________________ http://clk.atdmt.com/UKM/go/197222280/direct/01/ We want to hear all your funny, exciting and crazy Hotmail stories. Tell us now

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Re: [ALUG] C beginner question
by Phil Ashby 17 May '10

17 May '10

On 16/05/10 02:04, Ian wrote: > > Incidentally, this is such a common requirement ISTR there are some > library functions that do these tests for you but I cannot for the > life of me remember where they are! getopt is the 'normal' way of parsing command line options in C, although I rarely use it for less than 4 options (too much pain just to avoid a few extra lines, and not posix): http://refspecs.freestandards.org/LSB_1.2.0/gLSB/libutil-getopt-3.html I typically write: #include <string.h> // For strncmp() etc. ... main (int argc, char **argv) { int arg; char *str_arg = "default"; ... for (arg=1; argc; arg++) { if (strncmp(argv[arg], "-h", 2)==0) { // They need help :) return usage(); } else if (strncmp(argv[arg], "-o", 2)==0) { str_arg = argv[++arg]; } else if (strncmp(argv[arg], "-x", 2)==0) { ... } else { return usage(); } } ... } Using strncmp() instead of strcmp() means this supporta shorter options identified by their unique prefix parts (eg: -o[ption] -x[tend] etc.) HTH, Phil.

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[ALUG Announce] 3rd Monday Monthly Ipswich Social Meeting : McGintys, Northgate Street
by samwise 17 May '10

17 May '10

ALUG Announce Please send announcements to Announce(a)lists.alug.org.uk Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce ----- The monthly "Third Monday" ALUG Ipswich Social Meeting is back tonight, Monday 17th May, at 20:00: P J McGinty & Sons 15 Northgate Street Ipswich Suffolk IP1 3BY Tel: 01473 251 515 Map/Directions URI: http://maps.google.co.uk/?q=IP1+3BY WWW: http://www.pjmcgintys.co.uk/ McGintys pub is in the centre of Ipswich. It's directly opposite the town's central library and has a reputation for good Irish beer. We're usually to be found in the lowest section of the bar, near the library entrance to the pub. All are welcome, novices and experienced users. Feel free to ask for further information on the Main ALUG mailing list. Peter. ----- Send discussion replies to main(a)lists.alug.org.uk (Reply-To set) Unsub, change settings via http://lists.alug.org.uk/mailman/listinfo/announce

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C beginner question
by James Bensley 16 May '10

16 May '10

Hey List, I have what is hopefully a beginners C question which will be easily answered (this following little app is for converting watts, amps and volts); I have the following code: http://pastebin.com/m30x4G17 The problem I have is although the code works, it is because I have used the strncmp function to compare the first pasted argument and a string value such as "-watts", "-volts" or "-amps" because without it I was getting errors about comparing integers and pointers but I am confused as to why C thinks this. Using if(argv[1]=="-watts") produces no errors but the if statements are never hit, as in the if statement is never met and the code is never run. How should I be coding this to make these comparisons? -- Regards, James. http://www.jamesbensley.co.cc/

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Web Dev Job
by Sam Tuke 14 May '10

14 May '10

I'm moving to Berlin in July to work for the Free Software Foundation Europe. As a result, my primary client is looking for a new developer to telecommute and work on their website www.donttravelempty.com . Those interested please email me directly at sam(a)donttravelempty.com. The site uses lots of FOSS (see http://www.donttravelempty.co.uk/about-site.php ), and you'll need good PHP, MySQL and communication skills. Number and spread of hours + pay are negotiable. Sam.

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