Mariadb安装

[root@redhat7 ~]# yum install mariadb*
已安装:
  mariadb-bench.x86_64 1:5.5.44-2.el7   mariadb-devel.x86_64 1:5.5.44-2.el7 
  mariadb-server.x86_64 1:5.5.44-2.el7  mariadb-test.x86_64 1:5.5.44-2.el7  

作为依赖被安装:
  keyutils-libs-devel.x86_64 0:1.5.8-3.el7                                  
  krb5-devel.x86_64 0:1.13.2-10.el7                                         
  libcom_err-devel.x86_64 0:1.42.9-7.el7                                    
  libselinux-devel.x86_64 0:2.2.2-6.el7                                     
  libsepol-devel.x86_64 0:2.1.9-3.el7                                       
  libverto-devel.x86_64 0:0.2.5-4.el7                                       
  openssl-devel.x86_64 1:1.0.1e-42.el7_1.9                                  
  perl-Env.noarch 0:1.04-2.el7                                              
  perl-GD.x86_64 0:2.49-3.el7                                               
  perl-Test-Simple.noarch 0:0.98-243.el7                                    

完毕！
[root@redhat7 ~]# systemctl start mariadb
[root@redhat7 ~]# systemctl enable mariadb.service 
[root@redhat7 ~]# service mariadb status
Redirecting to /bin/systemctl status  mariadb.service
● mariadb.service - MariaDB database server
   Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled)
   Active: active (running) since 五 2017-04-14 23:03:10 CST; 1min 34s ago
 Main PID: 7967 (mysqld_safe)
   CGroup: /system.slice/mariadb.service
           ├─7967 /bin/sh /usr/bin/mysqld_safe --basedir=/usr
           └─8129 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/m...

4月 14 23:03:08 redhat7 mariadb-prepare-db-dir[7774]: You can find addit...
4月 14 23:03:08 redhat7 mariadb-prepare-db-dir[7774]: http://dev.mysql.com
4月 14 23:03:08 redhat7 mariadb-prepare-db-dir[7774]: Support MariaDB de...
4月 14 23:03:08 redhat7 mariadb-prepare-db-dir[7774]: Corporation Ab. Yo...
4月 14 23:03:08 redhat7 mariadb-prepare-db-dir[7774]: Alternatively cons...
4月 14 23:03:08 redhat7 mariadb-prepare-db-dir[7774]: http://mariadb.com...
4月 14 23:03:08 redhat7 mysqld_safe[7967]: 170414 23:03:08 mysqld_safe ....
4月 14 23:03:08 redhat7 mysqld_safe[7967]: 170414 23:03:08 mysqld_safe ...l
4月 14 23:03:10 redhat7 systemd[1]: Started MariaDB database server.
4月 14 23:03:30 redhat7 systemd[1]: Started MariaDB database server.
Hint: Some lines were ellipsized, use -l to show in full.

#修改root密码 ，因为安装好以后的root密码是空,所以需要设置; 
[root@redhat7 ~]# mysqladmin -u root password 'root'
#登陆数据库，如果是本机,那可以直接使用下面的命令登录
[root@redhat7 ~]# mysql -u root -p
Enter password: 
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 3
Server version: 5.5.44-MariaDB MariaDB Server

Copyright (c) 2000, 2015, Oracle, MariaDB Corporation Ab and others.

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

MariaDB [(none)]> status
-- 查看MySQL的状态  
--------------
mysql  Ver 15.1 Distrib 5.5.44-MariaDB, for Linux (x86_64) using readline 5.1

Connection id:        3
Current database:    
Current user:        root@localhost
SSL:            Not in use
Current pager:        stdout
Using outfile:        ''
Using delimiter:    ;
Server:            MariaDB
Server version:        5.5.44-MariaDB MariaDB Server
Protocol version:    10
Connection:        Localhost via UNIX socket
Server characterset:    latin1
Db     characterset:    latin1
Client characterset:    utf8
Conn.  characterset:    utf8
UNIX socket:        /var/lib/mysql/mysql.sock
Uptime:            7 min 13 sec

Threads: 1  Questions: 9  Slow queries: 0  Opens: 0  Flush tables: 2  Open tables: 26  Queries per second avg: 0.020
--------------

如果是其他机器，使用以下命令，例如192.168.1.10
mysql -h 192.168.1.10 -P 3306 -u root -p

MariaDB [(none)]> show databases；