ssh-agent
ssh-agent bash
ssh-add /location/of/key
ssh-add -l
http://sshkeychain.sourceforge.net/mirrors/SSH-with-Keys-HOWTO/SSH-with…
mover dispositivos de arranque na bios
The key right of the "0" shifts boot device entries down in the list.
On the German keyboard this key is labelled with " ß ? \ ".
The next key on the right and left of the "Backward-Erase"-key, labelled with " ´ ` ",
pressed together with the Shift-key, moves list entries up.
http://forums.lenovo.com/t5/IdeaPad-S-series-Netbooks/S10-3-Change-BIOS…
ips de um domínio
dig @8.8.8.8 _spf.google.com txt
dig @8.8.8.8 _netblocks.google.com txt
redimensionar um disco no virtualbox
correção de côr
remover todos os logs dum sistema
rm -rfv /var/log/{*.[0-9],*.[0-9].gz}
for i in `find /var/log/ -type f`; do
if [ -f $i ] && [ -s $i ]; then
echo "" > $i
fi
done
http://serverfault.com/questions/350891/how-to-delete-all-debian-squeez…
wget myip
wget -qO- http://ipecho.net/plain ; echo
uci set wireless.@wifi-iface[1].disabled=1
uci set wireless.radio0.disabled=1
uci set network.wan.dns='37.235.1.174 208.67.220.220'
uci commit
redirecionar consultas dns
iptables -t nat -A PREROUTING -i ethX -p udp --dport 53 -j DNAT --to $(get lan_ipaddr)
iptables -t nat -A PREROUTING -i ethX -p tcp --dport 53 -j DNAT --to $(get lan_ipaddr)
iptables -t nat -L -v -n # shows nat table
melhor:
iptables -t nat -A PREROUTING -s 10.0.100.0/24 -p udp --dport 53 -j DNAT --to 9.9.9.9:53
iptables -t nat -A PREROUTING -s 10.0.100.0/24 -p tcp --dport 53 -j DNAT --to 9.9.9.9:53