MariaDB与MySQL并存时的分别登陆方法
终于搞定了MariaDB与MySQL并存时登陆方法,当时是,明明知道安装成功了,就是登陆不进去MariaDB,这是心得分享给大家。
终于搞定了MariaDB与MySQL并存时登陆方法,当时是,明明知道安装成功了,就是登陆不进去MariaDB,这是心得分享给大家。
端口号登陆方法:
一, CentOS7环境下
1. 安装Mysql5.6.19,安装成功后,端口号:3306
[root@centOS7]# mysql -uroot -h127.0.0.1 -P3306 -p
mysql> select version();
+-----------+
| version() |
+-----------+
| 5.6.19 |
+-----------+
1 row in set (0.00 sec)
2.安装MariaDB10.0.12.,,安装成功后,口端口号:3307
[root@centOS7]# mysql -uroot -h127.0.0.1 -P3307 -p
mysql> select version();
+---------------------+
| version() |
+---------------------+
| 10.0.12-MariaDB-log |
+---------------------+
1 row in set (0.00 sec)
下面是,在Mysql安装好后,安装MariaDB10.0.12的详细方法
下载最新版本的二进制编译包tar.gz (目前为),并将它解压到你的自定义目录中. 本文档假定安装目录为/opt.
创建数据所在目录及符号链接,如下所示:
[root@centOS7 opt]# mkdir mariadb-data
[root@centOS7 opt]# ln -s mariadb-10.0.12-linux-x86_64 mariadb
[root@centOS7 opt]# ls -al
total 20
drwxr-xr-x. 5 root root 4096 2014-09-26 07:27 .
dr-xr-xr-x. 23 root root 4096 2014-09-26 06:38 ..
lrwxrwxrwx. 1 root root 27 2014-09-26 07:27 mariadb -> mariadb-10.0.12-linux-x86_64
drwxr-xr-x. 13 root root 4096 2014-09-26 07:07 mariadb-10.0.12-linux-x86_64
drwxr-xr-x. 2 root root 4096 2014-09-26 07:26 mariadb-data
创建组mariadb及用户mariadb, 设置文件对应的所属权限:
[root@centOS7 opt]# groupadd --system mariadb
[root@centOS7 opt]# useradd -c "MariaDB Server" -d /opt/mariadb -g mariadb --system mariadb
[root@centOS7 opt]# chown -R mariadb:mariadb mariadb-10.0.12-linux-x86_64/
[root@centOS7 opt]# chown -R mariadb:mariadb mariadb-data/
通过从support-files中拷贝my.cnf, 在/opt/mariadb目录下创建新的my.cnf:
[root@centOS7 opt]# cp mariadb/support-files/my-medium.cnf mariadb-data/my.cnf
[root@centOS7 opt]# chown mariadb:mariadb mariadb-data/my.cnf
编辑文件/opt/mariadb-data/my.cnf, 增加自定义值, socket, port, user及最重要的设置: data目录和base目录. 最后的设置至少是这样的:
[client]
port = 3307
socket = /opt/mariadb-data/mariadb.sock
[mysqld]
datadir = /opt/mariadb-data
basedir = /opt/mariadb
port = 3307
socket = /opt/mariadb-data/mariadb.sock
user = mariadb
从support-files文件中拷贝init.d脚本到对应的位置:
[root@centOS7 opt]# cp mariadb/support-files/mysql.server /etc/init.d/mariadb
[root@centOS7 opt]# chmod +x /etc/init.d/mariadb
编辑/etc/init.d/mariadb,使用 mariadb替换 mysql设置项, 如下所示:
- # Provides: mysql
+ # Provides: mariadb
- basedir=
+ basedir=/opt/mariadb
- datadir=
+ datadir=/opt/mariadb-data
- lock_file_path="$lockdir/mysql"
+ lock_file_path="$lockdir/mariadb"
你需要告诉mariadb读取唯一的cnf文件. 在$bindir/mysqld_safe之后加上--defaults-file=/opt/mariadb-data/my.cnf. 最后参数设置应该是这样的:
# Give extra arguments to mysqld with the my.cnf file. This script
# may be overwritten at next upgrade.
$bindir/mysqld_safe --defaults-file=/opt/mariadb-data/my.cnf --datadir="$datadir" --pid-file="$mysqld_pid_file_path" $other_args >/dev/null 2>&1 &
显式指定 my.cnf作为传入参数,来运行 mysql_install_db:
[root@centOS7 opt]# cd mariadb
[root@centOS7 mariadb]# scripts/mysql_install_db --defaults-file=/opt/mariadb-data/my.cnf
现在你可以这样启动MariaDB:
[root@centOS7 opt]# /etc/init.d/mariadb start
Starting MySQL SUCCESS
把MariaDB启动设置为系统级别启动:
[root@centOS7 opt]# cd /etc/init.d
[root@centOS7 init.d]# chkconfig --add mariadb
[root@centOS7 init.d]# chkconfig --levels 3 mariadb on
最后,测试现在有两个数据库服务实例在运行:
[root@centOS7 ~]# mysql -e "SELECT VERSION();"
+-----------+
| VERSION() |
+-----------+
| 5.6.19 |
+-----------+
[root@mariadb-near-mysql ~]# mysql -e "SELECT VERSION();" --socket=/opt/mariadb-data/mariadb.sock
+--------------------+
| VERSION() |
+--------------------+
|10.0.12-MariaDB-log |
+--------------------+
在 CentOS/RHEL/Scientific Linux 6 下安装 LAMP (Apache with MariaDB and PHP)
MariaDB Proxy读写分离的实现
Linux下编译安装配置MariaDB数据库的方法
CentOS系统使用yum安装MariaDB数据库
安装MariaDB与MySQL并存
MariaDB 的详细介绍:请点这里
MariaDB 的下载地址:请点这里
本文永久更新链接地址:

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