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apt gives a “Segmentation faulty tree”

when running an update:
sudo aptitude
Ouch!  Got SIGSEGV, dying..

apparently, just remove some files:
sudo rm /var/cache//*.bin

now everything is back to normal.

Zabbix 1.6 Proxy with Debian

I set up a today on a little VM. looks to work nicely. Intructions will be kept up to date on this page.

Staying on time in Debian

To stay on , you should really use . It is a daemon that runs all the time and makes tiny changes to the system clock. All you need to do is install :

aptitude install ntp

after it’s installed, I encourage you to go over to http://www.pool.ntp.org/zone/@ and pick a pool in your continental zone. has some defaults, and they are fine, i just like using the ntp pool. If you want to change where you are syncing to, open up /etc/ntp.conf and change the “server” lines.

nano /etc/ntp.conf

to manually sync Debian’s time, just install “ntpdate”

-get install ntpdate

run this:

-debian [a ntp server]

Uninstall MySQL 5 from Debian

I completely. completely messed up . Badly. I wiped out the data directory (/var/lib/ in ) and the went to remove mysql …
-get remove --purge mysql-server

That only deleted something like 86K. dissapointing. It looks like “mysql-server” is a shortcut pointing to the latest version of the software. The real software is found  under the name “mysql-server-50″. So what made it happen was:
apt-get remove --purge mysql-server*

That’ll wipe out whatever mysql install is in place.

savecore? reboot after panic?

scary. I updated freebsd, and i can only think that i messed it up when i tried to “shutdown -h” to get it shutdown so i could reboot. anyways, when i rebooted, i saw this message. apparently there was a kernel dump on my swap drive. But problem is that i didn’t have enough room on /var/crash to make it happen. i redirected the commands ot the /usr/home/ program.

http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html
fsck -p
mount -a -t ufs
make sure /var/crash is writable
/var/crash /dev/ad0b
exit
exit to multi-user