[linux基础知识]创建新用户并使用该用户

        使用adduser命令创建vpuser 用户，需要手动输入密码。

sudo adduser vpuser  

        使用脚本create_user.sh创建vpuser用户，该用户密码为vp@2023，不需要手动输入密码,执行命令即可：sudo ./create_user.sh vpuser vp@2023。

#!/bin/sh
username=$1
password=$2
sudo adduser $username --gecos "First Last,RoomNumber,WorkPhone,HomePhone" --disabled-password
echo "$username:$password" | sudo chpasswd

        赋予vpuser用户bash权限，修改/etc/sudoers，添加vpuser ALL=(ALL) NOPASSWD:/usr/bin/bash。

#
# This file MUST be edited with the 'visudo' command as root.
#
# Please consider adding local content in /etc/sudoers.d/ instead of
# directly modifying this file.
#
# See the man page for details on how to write a sudoers file.
#
Defaults        env_reset
Defaults        mail_badpass
Defaults        secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

# Host alias specification

# User alias specification

# Cmnd alias specification

# User privilege specification
root    ALL=(ALL:ALL) ALL

# Allow members of group sudo to execute any command
%sudo   ALL=(ALL) NOPASSWD: ALL
vpuser ALL=(ALL) NOPASSWD:/usr/bin/bash
# See sudoers(5) for more information on "@include" directives:

@includedir /etc/sudoers.d

        使用vpuser用户将压缩包解压到特定位置。

sudo su - vpuser -c "tar -zxvf /home/vpuser/VPSiteFull_20231207140717_3283R.tar.gz -C /home/vpuser/"

        使用vpuser用户执行脚本。

sudo su - vpuser -c "bash /home/vpuser/watchdog/startup.sh"