obsidian/Oracle/修改Hostname.md

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