Docker 问题 | 编辑文件出现 bash: vi: command not found

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Docker 问题 | 编辑文件出现 bash: vi: command not found 或 bash: vim: command not found

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• 环境：ubuntu 中的 docker mysql 容器

• 原因：没有安装 vim

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进入docker容器中后，需要用 vi或 vim编辑文件，提示 bash: vim: command not found

root@97117511bb12:/etc/mysql# vim my.cnf
bash: vim: command not found

这是因为没有安装vim，我们需要先安装，使用下面的命令：apt-get install vim

如果提示下面的信息：

root@97117511bb12:/etc/mysql# apt-get install vim
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package vim

需要输入下面的命令： apt-get update

root@97117511bb12:/etc/mysql# apt-get update
Get:2 http://repo.mysql.com/apt/debian stretch InRelease [21.6 kB]                            
Get:1 http://security-cdn.debian.org/debian-security stretch/updates InRelease [94.3 kB]      
Get:5 http://repo.mysql.com/apt/debian stretch/mysql-5.7 amd64 Packages [5695 B]   
Ign:3 http://cdn-fastly.deb.debian.org/debian stretch InRelease                  
Get:4 http://cdn-fastly.deb.debian.org/debian stretch-updates InRelease [91.0 kB]
Get:7 http://security-cdn.debian.org/debian-security stretch/updates/main amd64 Packages [501 kB]
Get:6 http://cdn-fastly.deb.debian.org/debian stretch Release [118 kB]           
Get:8 http://cdn-fastly.deb.debian.org/debian stretch-updates/main amd64 Packages [27.4 kB]
Get:9 http://cdn-fastly.deb.debian.org/debian stretch Release.gpg [2434 B]
Get:10 http://cdn-fastly.deb.debian.org/debian stretch/main amd64 Packages [7082 kB]
Fetched 7944 kB in 6s (1318 kB/s)                                                                                                                                                                                                               
Reading package lists... Done

再输入：apt-get install vim

root@97117511bb12:/etc/mysql# apt-get install vim
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  vim-common vim-runtime xxd
Suggested packages:
  ctags vim-doc vim-scripts
The following NEW packages will be installed:
  vim vim-common vim-runtime xxd
0 upgraded, 4 newly installed, 0 to remove and 1 not upgraded.
Need to get 6734 kB of archives.
After this operation, 31.1 MB of additional disk space will be used.
Do you want to continue? [Y/n] 

出现上面提示，输入：y
即可

Do you want to continue? [Y/n] y
Get:1 http://security-cdn.debian.org/debian-security stretch/updates/main amd64 xxd amd64 2:8.0.0197-4+deb9u3 [132 kB]
Get:2 http://security-cdn.debian.org/debian-security stretch/updates/main amd64 vim-common all 2:8.0.0197-4+deb9u3 [159 kB]
Get:3 http://security-cdn.debian.org/debian-security stretch/updates/main amd64 vim-runtime all 2:8.0.0197-4+deb9u3 [5409 kB]
Get:4 http://security-cdn.debian.org/debian-security stretch/updates/main amd64 vim amd64 2:8.0.0197-4+deb9u3 [1034 kB]
Fetched 6734 kB in 5s (1278 kB/s)

等待安装完成即可

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