python get longest string in list

mylist = ['1','22','333']
print max(mylist, key=len)

vim search non-greedy

Instead of .* use .\{-}.

php Turn on output buffering

ob_start();
 $buffer = ob_get_clean();

debian firefox java plugin install

download the library, extract them, then

ln -s jdk/jdk1.6.0_26/jre/lib/i386/libnpjp2.so  ~/.mozilla/plugins/

Migrate mysql users to another server

ERROR 1577 (HY000) at line 1: Cannot proceed because system tables used by Event Scheduler were found damaged at server start ERROR 1547 (HY000) at line 1: Column count of mysql.proc is wrong. Expected 20, found 16. The table is probably corrupted


solution:
sudo mysql_upgrade -uroot -p --force

Rsync and sudo over SSH

backup_user ALL=(root)NOPASSWD:/usr/bin/rsync

rsync --rsync-path="sudo rsync" backup_user@myhosttobackup.net:/root /backup_directory

debian Add a second hard disk

fdisk -l

cfdisk /dev/sdb

mkfs.ext3 /dev/sdb1

mkdir /disk2
mount -t ext3 /dev/sdb1 /disk2

/etc/fstab
/dev/sdb1 /disk2 ext3 defaults,errors=remount-ro 0 1