在Docker中安装vim的命令老是忘记
root@70d1e21433f1:/site# vim index.html
bash: vim: command not found
root@70d1e21433f1:/site# yum install vim
bash: yum: command not found
root@70d1e21433f1:/site# apt-get install yum
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
E: Unable to locate package yum
更新，获取到最新的软件包
apt-get update
安装Vim
apt-get install vim
出现提示框，输入Y
