Archives

Archive for the ‘RHEL’ Category

My first encounter with kernel modules was when my systems running Fedora Core 5 started crashing after the kernel update to 2.6.18.  Long story short, it was due to a bug in the cifs kernel module which was fixed after more than 100 e-mail exchanges with samba developers.  The problem was solved, but there was [...]

Mar 19th, 2009 | Filed under centos, RHEL

Like many other people, I use Linux as a backup server.  The other day, I noticed that daily incremental backup of one of the Windows machines was well over 1 GB even on the day the user was mostly idle.  The only thing the user was doing was … e-mailing.  Aha! (heard the bell?)  It [...]

Dec 28th, 2008 | Filed under centos, linux, RHEL, Scientific Linux

One of the many things I use Linux for at work is to edit movies.  No, not that kind of movies you are thinking about … this is strictly for science work.  Anyway, the first step is to transfer video from a camcorder connected through a firewire port using kino.  I am doing this on [...]

Dec 20th, 2008 | Filed under centos, RHEL

While we are talking about colors … As you know, thunderbird has gobs of options you can play with. I usually do not care much about how it looks and just use the default settings. The only thing I have done was to change the background color of sub-windows. This was easily done by editing [...]

Nov 22nd, 2008 | Filed under centos, linux, RHEL

OpenSSH has built-in support to act as a SOCKS proxy. In my case, there are web sites I can access only from work computers and I need to get to them from home. So, I issue the command from my home computer: ssh -D 1080 my work IP However, I do not want to redirect [...]

Sep 30th, 2008 | Filed under centos, linux, RHEL, Scientific Linux

If you often need to access files on a remote machine and do it by ssh login, there is a handy way – sshfs. Here is a simplified howto that works. (1) Set up the rpmforge repository if not done yet (see Installing RPMForge ) (2) Either use the dkms-fuse with the stock RHEL/CentOS kernel [...]

Sep 21st, 2008 | Filed under centos, linux, RHEL, Scientific Linux