General Linux

2.6.24 Kernel compilation on RHEL3?
Hi, Is it possible to compile kernel 2.6.24 on a RHEL3 on VMware. I tried it, but during #make, it spewed a lot errors. I couldnt really understand much except the first line mentioning #error, Sorry your compiler is too old. .......................................................... ............................ 20 Jun 2008 05:04

64 bit linux on VM to run Java app
Can we install a VM to support 6 GB memory on a 32-bit machine? Basically we want to install 3 VM's running linux sharing the 6 GM memory. At the first glance it seems not possible. Do we need a 64-bit processor with 64 bit linux (Red Hat Mandriva, Fedora, etc.). Also since we will be running Java on the VM's do we... 26 Jun 2008 10:29

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printf "time=%02d:%02d:%02d\n", $hour,$minute,$sec Does NOT work
In a shell script I coded: printf "padded=%02d:%02d:%02d\n", $hour,$minute,$sec With the following values: $hour=0 $minute=7 $sec=26 However when I run the script I get an error: /usr/local/gary/bin/myscript: line 37: printf: 0,7,26: invalid number time=00:00:00 Why? Gary ... 19 Jun 2008 03:26

apt-get GPG key error message
Does anyone have any idea how to solve this? W: GPG error: http://server hardy Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster(a)ubuntu.com> W: You may want to run apt-get update to correct these problems TIA ... 21 Jun 2008 00:33

NYC LOCAL: Thursday 19 June 2008 UNIGROUP: Anthony Ferrara on Joomla the Web Development System
<blockquote what="official UNIGROUP announcement" edits="general information parts removed"> From: Unigroup_of_NY <unilist(a)unigroup.org> Subject: UNIGROUP Meeting 19-JUN-2008 (Thu): Web Development: Joomla! (updated) NOTE: Unigroup meeting is Thursday, in a NEW meeting location! Please RSVP _imm... 19 Jun 2008 01:17

Serial ports ttyUSB{0..9}
I have two devices that look like serial over USB: 1) My "wireless broadband modem" that lets my laptop connect to Internet while traveling using Sprint cell phone network 2) DeLuo GPS dongle. The problem is that they both look like /dev/ttyUSB0 or /dev/ttyUSB1 depending on some whimsical factors like what... 19 Jun 2008 12:40

User mode serial port access
Hello all, I want to read/write on a serial port from a user program. I found this helpfull HowTo: http://tldp.org/HOWTO/IO-Port-Programming-2.html But from reading the first lines in it, it seems that it applies to kernel programming, not userland. Is there a different set of calls to use for usermode progra... 20 Jun 2008 09:09

Need help installing Paravirtualized KVM CentOS5 VM on Fedora 9
I'm trying to create a paravirtualized CentOS5 client on 64 bit F9 on a Core2 box. I've been using the following URL for for the install media URL http://mirror.anl.gov/pub/centos/5.1/os/x86_64 I'm getting the following error, am I pointing to the wrong directory on the CentOS mirror? Unable to complete ... 19 Jun 2008 01:17

several grep questions
Hi I have a few questions about grep (or if anyome knows a better way of doing it) Given a txt file, input.txt foobarfoobar if i do grep -c foo input.txt I get the answer 1 what I would like to get is a count of the number of times 'foo' is found, i.e. in this case 2. I would also like to b... 19 Jun 2008 01:17