修改Hostname.md 292 B
sudo sh -c 'echo "princess" \> /etc/hostname'
sudo sh -c 'echo "127.0.0.1 princess" \>\> /etc/hosts'
hostnamectl
sudo sh -c 'echo "knight" \> /etc/hostname'
sudo sh -c 'echo "127.0.0.1 knight" \>\> /etc/hosts'
hostnamectl