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Weekly IRC reminder
by Neill Newman 02 Aug '04

02 Aug '04

This is the automated ALUG IRC meeting reminder sent to remind you that there is an IRC meeting tonight (Monday) at 8.00pm. The meeting takes place on the irc server irc.alug.org.uk in the #alug channel. Most IRC clients should allow you to get there with the commands "/server irc.alug.org.uk" and "/join #alug". Popular IRC clients include tkirc, bitchx, xchat and EPIC on Unix, and Mirc under windows. Here are some links to help you get started with irc. Unix http://www.xchat.org/ http://freshmeat.net/ http://www.epicsol.org/ Windows http://www.mirc.com (loads of help with irc for newbies!)

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Card reader Suse 9.1
by Nick Daniels 01 Aug '04

01 Aug '04

Hi I have a 6 in card reader it works fine under SuSe 9.0 as Sdb1, and in Digicam as media/sdb1 On Suse 9.1 i get error message' error could not enter folder /media/usb-storage-9205291:0:0:1p1 and cannot get Digikam to reconise it Googling, tells me to install/remove hotplug patch but I cannot find any succesful results, and I have tried all suggestions I found. Regards Nick Daniels

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How much RAM can be grabbed?
by Ted.Harding＠nessie.mcc.ac.uk 01 Aug '04

01 Aug '04

Hi Folks, As we all know, the "free memory" reported by e.g. 'free' is usually very small. E.g. on this machine (endowed with "a massive 128MB RAM" (OK it's an oldish laptop and I'm cynically quoting typical ad material) I get > free total used free shared buffers cached Mem: 126024 117952 8072 0 1476 50184 -/+ buffers/cache: 66292 59732 Swap: 400640 124092 276548 and of course the "free 8072" is illusory. In reality much more is available -- at least, I suppose, the 59732KB "free" in buffers/cache, though I;m not really sure about this since I don't know the underlying details of this report. My Question is: suppose I want to embark on a RAM-intensive task, e.g. a numerical computation with large objects, or maybe a CD burn, where I'd like to make the most use of RAM. I can tell the application how much RAM it can expect to use. So: How can I determine, by some system command, how much of the RAM is actually up for grabs. so that I can tell the program to use (e.g.) 64MB RAM? In other words, how could I find out that 64MB RAM would be available? And should I use 'nice' to make sure that the program can jump the queue? All advice appreciated! Best wishes to all, Ted. -------------------------------------------------------------------- E-Mail: (Ted Harding) <Ted.Harding(a)nessie.mcc.ac.uk> Fax-to-email: +44 (0)870 167 1972 Date: 27-Jul-04 Time: 19:18:28 ------------------------------ XFMail ------------------------------

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How to Allocate Huge Amount of RAM to Process?
by Dan Hatton 31 Jul '04

31 Jul '04

I'll continue today's RAM usage theme... I understand from references around the web that, by default, Linux kernels will only allocate a maximum of 3GB of RAM+swap to a single process. I've been writing a program (in Perl) to perform some numerical calculations on very large data sets, and, by being very careful to do things in the order that minimizes the overlap between different pieces of original and calculated data being needed in RAM+swap, and making sure that, as soon as a given list of numbers is finished with, a block ends, so that Perl's garbage collector gets called, I've got the program to run within this limitation (it's now using just over 2GB at peak.) The trouble is, I've gone about as far as I can with this efficiency drive, and in a couple of weeks, I have to do the same thing, with even bigger data sets. Since I have plenty of physical space (1GB RAM+10GB swap,) I'd like to get the kernel to allocate more to my program. I know there are various patches with names involving "HIGHMEM." My current kernel is 2.6.6, with # CONFIG_NOHIGHMEM is not set CONFIG_HIGHMEM4G=y # CONFIG_HIGHMEM64G is not set CONFIG_HIGHMEM=y Would setting CONFIG_HIGHMEM64G=y and recompiling the kernel help me, or do I need to do something tricksier, please? -- Thanks Dan Hatton <http://www.bib.hatton.btinternet.co.uk/dan/>

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Re: ALUG bits
by Syd Hancock 29 Jul '04

29 Jul '04

Oops... Syd

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Re: ALUG bits
by Syd Hancock 29 Jul '04

29 Jul '04

On Monday 12 Jul 2004 21:23, Keith Watson wrote: > At 05:47 on Wed, 7 Jul 2004, Syd Hancock wrote: > > Hi Keith > > > > Just been glancing through the archives and saw your message > > about demos etc. I still have some name tags and an A4 size > > ALUG sign that you made - send me you address and I'll post > > them back to you as I am unlikely to be at any meetings for a > > couple of months at the earliest. > > > > Syd > > Syd, > > hope you're keeping well and that we'll see you around > occasionally :o) > > Best to send things to my work address; Hi Keith Posted the ALUG bits on tuesday 2nd class - should arrive soon. All the best Syd

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Re: [ALUG] First LUGE meeting reminder for tonight...
by John Seago 29 Jul '04

29 Jul '04

On Thursday 29 Jul 2004 LUGE Admin <admin(a)luge.org.uk> wrote: > Hi all, > > For those in or around Chelmsford tonight there's a few of us going > along to The Plough (adjacent to the railway station) - I'll be there > from 6pm. > > All welcome. I'm going to pop into the APU uni too - see if they've got > places I could put up posters to generate some interest - I'm sure > there'll be some! > > See you there.... > > Steve You could also try having the LUGE details published in "Linux Format", and any other 'hard copy' publications that give publicity to LUG's and there is also http://www.lug.org.uk/ which may be able to give assistance and publicity. -- John Seago Linux User #219566 (http://counter.li.org)

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HELLLLLPPPPPPPPPP! I need a networking guru (or something)
by Brett Parker 28 Jul '04

28 Jul '04

Right, here's the basic situation... We've got a FreeBSD 4.9 machine, origionally configured for NAT only and was doing a damned good job of it. Now, you see, we've got an evil windows box to go on the external network, so, ofcourse, my first thought was to throw a filtering bridge between on the firewall as well, now, this too works quite well... But... What appears to be shafted is connecting to the windows machine via the NAT. Any ideas? Basic setup is something like this... |Windows Machine| | FreeBSD Router | | | =========> |rl0 dc0 | x.x.x.49 ===> Interweb | x.x.x.58 | | vr0 | | | Internal Network Masqueraded 192.168.1.0/24 The internal network can see the Interweb (and our other hosts out there in x.x.x.x land ;) *EXCEPT* x.x.x.58, which it can't see, which is (to say the least) rather frustrating. If anyone has experience with this, I'd love to hear from you :) Cheers, -- Brett Parker

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First LUGE meeting reminder for tonight...
by LUGE Admin 28 Jul '04

28 Jul '04

Hi all, For those in or around Chelmsford tonight there's a few of us going along to The Plough (adjacent to the railway station) - I'll be there from 6pm. All welcome. I'm going to pop into the APU uni too - see if they've got places I could put up posters to generate some interest - I'm sure there'll be some! See you there.... Steve

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Re: VoIP & hardware
by phil 27 Jul '04

27 Jul '04

> >> I mentioned this to various people earlier, and they seemed >> interested, >> so I thought I'd vaguely float the idea here. >> >> Would people be interested in a VoIP (Voice over IP) talk? I've been >> playing with it this week and setting up a connection to the normal >> phone network using an ISDN line, with a hardware VoIP phone locally. >> I'm also planning to look at Linux based softphones over the next week >> and should have a magic PCI card coming which will let me hook up to a >> normal phone line, so hopefully should be able to come up with bits of >> interest to anyone who's curious about this stuff. >> >> Takers? Do we have any locations for talks were we could get a >> reasonable net connection for a live demonstration perhaps? >> >> J. >> Same here - interested in finding out a bit more about this. As for the Broadband hardware - I use aDraytek Vigor all in one router /modem at work - never had a problem in the past two years. At home an ethernet X-modem from ADSL nation, in conjunction with a Buffalo Airstation. This has worked fine with a combination of Yellowdog Linux, OSX and Mac os9 no problems. Still unplugged it last night though - anyone with experience of how ADSL modems handle lightning!? Phil

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