mkfs.ext3: Wrong medium type while trying to determine filesystem size
2009-12-23
Problem While going through a DRBD howto a coworker made, I came across the following problem. On a freshly created DRBD block device, mkfs bails out with the following message: mkfs.ext3 /dev/drbd0 mke2fs 1.39 (29-May-2006) mkfs.ext3: Wrong medium type while trying to determine filesystem size …more
Enabling jumbo frames
2009-12-21
Jumbo frames are what you need on a dedicated storage (NFS, iSCSI, DRBD) network. Since the packets are bigger, fewer packets are needed to send the same data. This results in faster transfers and less CPU overhead on both the transmitting and receiving ends. All in all, a good recipe for better performance. …more
Auto-logout idle users
2009-12-14
Users not properly logging out of systems can result in sessions that will never be terminated. To make sure the sessions will at some point be terminated, a TMOUT variable can be set in /etc/profile …more
Custom kernel patching
2004-11-10
Okay, since too many Plesk machines seen to have quota problems, a Fedora kernel problem, not a Plesk problem. My colleague and I are working on a custom kernel from the 2.6 kernel tree which offers some significant improvements… …more
fortune-mod-oneliners
2004-10-31
Examples: For sale: Parachute. Only used once, never opened, small stain. Eagles may soar, but groundhogs don’t get sucked into jet engines. There are three kinds of people in this world, ones you can count on, and ones that can’t count. Download releases: oneliners-0.1.tar.gz (Nov 5th, 2000).