[root@db ~]# mysql -u root -p -e 'SHOW VARIABLES LIKE "%version%";'
Enter password:
+-------------------------+---------------------+
| Variable_name | Value |
+-------------------------+---------------------+
| innodb_version | 5.5.49-MariaDB-37.9 |
| protocol_version | 10 |
| slave_type_conversions | |
| version | 5.5.50-MariaDB |
| version_comment | MariaDB Server |
| version_compile_machine | x86_64 |
| version_compile_os | Linux |
+-------------------------+---------------------+
Or
[root@db ~]# mysql -u root -p -e ' SELECT VERSION(); '
Enter password:
+----------------+
| VERSION() |
+----------------+
| 5.5.50-MariaDB |
+----------------+
Or
[root@db ~]# mysql -u root -p -e 'STATUS'
Enter password:
--------------
mysql Ver 15.1 Distrib 5.5.50-MariaDB, for Linux (x86_64) using readline 5.1
Connection id: 891164
Current database:
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server: MariaDB
Server version: 5.5.50-MariaDB MariaDB Server
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: utf8
Db characterset: utf8
Client characterset: utf8
Conn. characterset: utf8
UNIX socket: /tmp/mysql.sock
Uptime: 221 days 15 hours 52 min 26 sec
Threads: 101 Questions: 56945893852 Slow queries: 366 Opens: 3018 Flush tables: 2 Open tables: 123 Queries per second avg: 2973.435
Or
[root@db ~]# mysqladmin -u root -p version
Enter password:
mysqladmin Ver 9.0 Distrib 5.5.50-MariaDB, for Linux on x86_64
Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.
Server version 5.5.50-MariaDB
Protocol version 10
Connection Localhost via UNIX socket
UNIX socket /tmp/mysql.sock
Uptime: 221 days 15 hours 53 min 57 sec
Threads: 101 Questions: 56946100784 Slow queries: 366 Opens: 3018 Flush tables: 2 Open tables: 123 Queries per second avg: 2973.432