更新

apt update

创立普通用户

装置必要的组件

apt install python3 python3-pip wget dos2unix sudo lsb-release iproute2

输出 passwd root 命令批改root用户的明码

root@6805b104cdc1:/# passwd rootEnter new UNIX password:Retype new UNIX password:

输出 adduser jiuzhang 命令创立sudo用户

root@6805b104cdc1:/vagrant# adduser jiuzhangAdding user `jiuzhang' ...Adding new group `jiuzhang' (1000) ...Adding new user `jiuzhang' (1000) with group `jiuzhang' ...Creating home directory `/home/jiuzhang' ...Copying files from `/etc/skel' ...Enter new UNIX password:Retype new UNIX password:passwd: password updated successfullyChanging the user information for jiuzhangEnter the new value, or press ENTER for the default        Full Name []:        Room Number []:        Work Phone []:        Home Phone []:        Other []:Is the information correct? [Y/n] y

并给刚刚创立的用户增加 sudo 权限 usermod -aG sudo jiuzhang

root@6805b104cdc1:/vagrant# usermod -aG sudo jiuzhang

输出 su - username 命令切换到新创建的用户:

执行命令后输出如下:

root@a6ef0c93187f:/vagrant# su - jiuzhangTo run a command as administrator (user "root"), use "sudo <command>".See "man sudo_root" for details.jiuzhang@a6ef0c93187f:~$ 

应用 sudo 命令运行 whoami 命令,能够看到如下的输入,root 代表以后用户有特权

jiuzhang@a6ef0c93187f:~$ sudo whoami[sudo] password for jiuzhang: root