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CentOS7用yum安装和配置MariaDB数据库

1.创建/etc/yum.repos.d/MariaDB.repo文件,这里用到了刚刚发布正式版的10.0

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[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.0/centos6-amd64/
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

2.准备好repo文件后可以使用yum来安装了

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# yum install MariaDB-server MariaDB-client

3.我喜欢自定义数据目录和服务端口,所以移除默认的数据目录

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# rm -rf /var/lib/mysql

4.创建新的数据目录

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# mkdir /var/data/db/mariadb

5.修改配置文件/etc/my.cnf.d/mysql-clients.cnf,重点是[client],其他的可以参考

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[client]
port        = 3307
socket      = /var/data/db/mariadb/mysql.sock
 
[mysql]
no-auto-rehash
 
[mysqldump]
quick
max_allowed_packet = 64M
 
[myisamchk]
key_buffer_size = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M
 
[mysqlhotcopy]
interactive-timeout

6.修改配置文件/etc/my.cnf.d/server.cnf,这里的性能参数来自my-large.ini文件

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[mysqld]
port            = 3307
datadir         = /var/data/db/mariadb
socket          = /var/data/db/mariadb/mysql.sock
skip-external-locking
key_buffer_size = 256M
max_allowed_packet = 64M
table_open_cache = 256
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 4M
myisam_sort_buffer_size = 64M
thread_cache_size = 8
query_cache_size= 16M
thread_concurrency = 8
log-bin=mysql-bin
binlog_format=mixed
server-id   = 1

7.初始化数据

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# mysql_install_db --defaults-file=/etc/my.cnf --datadir=/var/data/db/mariadb/ --user=mysql

8.启动服务

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# service mysql start

9.设置ROOT密码

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# mysqladmin -u root password "8888888"

10.登陆mysql

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# mysql -uroot -p

11.授权root远程登录

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#root可从任何IP登陆,注意修改密码:'888888' 
mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '888888' WITH GRANT OPTION;
 
#root可从指定IP登陆,注意修改密码:'888888'、IP:'192.168.1.188'
mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.188' IDENTIFIED BY '888888' WITH GRANT OPTION;
mysql>FLUSH RIVILEGES

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