查看“Linux cmd”的源代码


=== change ip ===

/etc/network/interfaces
sudo /etc/init.d/network-manager restart
service network-manager restart


route add default gw 10.124.8.1
netstat -rn    看下路由
route del default gw 
route add -net 192.168.0.0/24 gw 192.168.0.1

vnc can not copy
1.vncconfig          ---real vnc
2.autocutsel -s PRIMARY -fork     ----- tite vnc

vncserver config
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-vnc-remote-access-for-the-gnome-desktop-on-centos-7
sudo systemctl restart vncserver@:5.service

=== FGREP ===
fgrep -R "RPD RPD" *

=== SED ===
sed -i 's/60.10.13.61/60.10.13.66/g' /etc/dhcp/dhcpd.conf

=== awk ===
sudo virsh list | grep running | grep -v grep | awk '{print $2}'   ---- awk  将第二列输出

 awk '{print $2}' | sudo xargs kill -9  ----- xargs 将管道输出作为参数传入