mount iso linux

mount -o loop file.iso /mnt/test

Wyświetl linie bez komentarza

np:
grep -v ^# /etc/squid/squid.conf | sed -e '/^$/d'

Szybki router linux+iptables

ifconfig eth1 up
ip a a 192.168.1.1/24 dev eth1
iptables -A FORWARD -i eth1 -o eth0
iptables -A FORWARD -i eth0 -o eth1
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
echo 1 > /proc/sys/net/ipv4/ip_forward