Command

Sudo Without Password

add to /etc/sudoers

bash

# all commands
username ALL=(ALL) NOPASSWD: ALL
# specific command
username ALL=(ALL) NOPASSWD: /usr/bin/apt*, command2

grep no grep

sh

ps aux | grep word | grep -v grep
ps aux | grep [w]ord

ln 软连接

sh

ln -s "源文件路径" "访问路径"

可以使用 ls -l 查看