http://momotonic.com rants, tutorials and documents about everything server related Mon, 05 Jan 2009 18:01:30 +0000 http://backend.userland.com/rss092 en Simple, short & sweet post, this should easily fix any problems you're having /usr/local/cpanel/bin/update-horde --force Also, this might be useful to run hourly, I leave this on our servers "just in case". (mysqlcheck --auto-repair eximstats ; mysqlcheck --auto-repair horde) >/dev/null 2>/dev/null http://momotonic.com/2009/01/05/horde-broken-or-not-working-correctly-on-cpanel-server/ We have a few clients that were WHM resellers and upgraded to VPS with root cPanel, however there is no main easy way to migrate WHM reseller account to a root account under WHM, that's where we started playing around and making our own script. You need root access ... http://momotonic.com/2008/12/30/migrating-cpanel-reseller-accounts-with-root-whm-access/ It seems there there was a little flaw in the script that I wrote a while ago, any PHP sessions on the server will timeout/die after 1 hour if you run that as an hourly cronjob, I have made a small modification to the script. The only small modification is that ... http://momotonic.com/2008/11/28/tmp-clean-up-script-modification-sessions-dying-with-php/ Usually, the /tmp directory is one of the frequently accessed directories, temp files of MySQL, PHP and other applications are placed and often if processes die, left over. Uploads using PHP are always uploaded to the /tmp directory till they are complete, if you have some dying processes, you ... http://momotonic.com/2008/11/27/cleaning-up-tmp-directory-on-busy-cpanel-web-hosting-servers/ We've been lately starting to use more Adaptec RAID controllers rather than 3ware RAID controllers.  3ware has been nothing but trouble for us, dropping hard drives, even RAID5 arrays are running slower than a regular hard drive with no RAID.  Our latest issue was a server just simply having a ... http://momotonic.com/2008/11/24/aacraid-based-controllers-timing-out-aborting-scsi-hang/ We run a big share of Xen virtual servers spanned over multiple servers and if you want to use the full or best capability of Xen, I would suggest LVM (Logical Volume Manager), it makes life a lot easier, especially for those who do not run a RAID setup (We ... http://momotonic.com/2008/03/23/migrating-lvm-volumes-over-network-using-snapshots/ Oh man, I wish I would get to post here more often, then I'd probably have a lot less problems. These days, the simplest of tasks can become a big pain in the neck. I was doing some re-racking of servers to place them in correct order ... http://momotonic.com/2008/03/23/almost-dead-blog-but-thats-not-good/ cPanel may have some very annoying bugs sometimes however there are very useful bits of it that can help in general system administration, dealing with a very busy server and trying to terminate an account that has high disk usage will make the load averages go sky high however thanks ... http://momotonic.com/2008/02/23/helpful-cpanel-included-application/ I've lately had a few clients complaining about their PHPList installs not working properly when using Fantastico, I tried it out myself and it does indeed seem to be somewhat broken. Usually when you go the adminstration page, it simply shows and empty page and if you view the ... http://momotonic.com/2008/02/23/fantastico-phplist-and-blank-pages/ One of the major pluses of cPanel that it doesn’t delete the backup of the account when terminating an account and neither it does remove it on the next backup run, while that can be a good thing if the customer comes back, on the long term, the backup drive ... http://momotonic.com/2008/02/23/cpanel-backup-clean-up/