查看 Docker 容器中 MySQL 版本号。

查看 Docker 容器中 MySQL 版本号。

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 # 以交互式终端模式进入 docker 中 mysql 容器的实例。
[root@localhost ~]# docker exec -it mysql_geek /bin/bash

# exec —> 运行容器。
# -i 选项 —> 以交互式命令行模式运行。
# -t 选项 —> 终端
# 		指定 /bin/bash 就是指打开容器后，以 bash 终端命令行模式运行。

root@c80d23a10c46:/# ls
bin   docker-entrypoint-initdb.d  home	 media	proc  sbin  tmp
boot  entrypoint.sh		  lib	 mnt	root  srv   usr
dev   etc				  lib64  opt	run   sys   var

root@c80d23a10c46:/# mysql -uroot -proot
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 51
Server version: 8.0.19 MySQL Community Server - GPL

Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> 

登录 MySQL 后可以看到版本为 8.0.19。