PANGDU 胖嘟

W: GPG error apt-get update NO_PUBKEY AED4B06F473041FA

error message: http://security.debian.org lenny/updates Release: The following signatures couldn't be verified because the public key ...
install firefox on debian

sudo tar -jxvf firefox-xxxxxxx.tar.bz2 -C /opt/
python get longest string in list

mylist = ['1','22','333'] print max(mylist, key=len)
vim search non-greedy

Instead of .* use .\{-} .
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/
create debian usb install stick, on a mac machine

sudo dd if=~/Desktop/debian-live-7.0.0-i386-gnome-desktop.iso of=/dev/rdisk1 bs=1m
php Turn on output buffering

ob_start(); $buffer = ob_get_clean();
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 ...
Rsync and sudo over SSH

backup_user ALL=(root)NOPASSWD:/usr/bin/rsync rsync --rsync-path="sudo rsync" backup_user@myhosttobackup.net:/root /backup_direc...
Disable ssh root direct login

in /etc/ssh/sshd_config /PermitRootLogin yes change to /PermitRootLogin no then /etc/init.d/ssh restart

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