copy backup PoSh

$dir=(date -uformat %d.%m.%Y)
mkdir D:\backup\$dir
copy I:\*\*.* -destination D:\backup\$dir

Script for up xen domain with cipher disk

#!/bin/bash
losetup /dev/loop0 /path/to/file #create new loop device
cryptsetup -c aes -y create file /dev/loop0 #mount cipher loop device, usual in /dev/mapper/file
/etc/xen/scripts/network-bridge start bridge=devicebridged netdev=device #create bridge for domain
xm create file #up domain

Monitoring UPS

#!/bin/bash
case `upsc apc@localhost ups.status` in
OL) echo ups_is_OK ;;
OB) init 0 ;;
esac

Simple backup

#!/bin/sh
tar -cp --lzma -f /srv/backup/`date +%A`.tlz --exclude=/srv/* --exclude=/cdrom/* --exclude=/lost+found/* --exclude=/media/* --exclude=/mnt/* --exclude=/dev/* --exclude=/sys/* --exclude=/proc/* --exclude=/tmp/* /