centos 7 安装mariadb

1. 添加mariadb源

cat <<EOF > /etc/yum.repos.d/mariadb.repo
[mariadb]
name = MariaDB
baseurl = http://mirrors.aliyun.com/mariadb/yum/10.4/centos7-amd64/
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
enabled=1
gpgcheck=1
EOF

2. 更新缓存

yum clean all
yum makecache
yum repolist

3.显示可安装的版本

#这个可以看版本号
yum search mariadb --showduplicates
或
yum search mariadb

4. 安装

yum -y install MariaDB-server MariaDB-client

5. 修改数据存储路径

mkdir -p /data/MysqL
cp -r /var/lib/MysqL/*　/data/MysqL/
chown -R MysqL:MysqL /data/MysqL

vim /etc/my.cnf

[client]
socket = /data/MysqL/MysqL.sock
[MysqLd]
datadir = /data/MysqL
socket = /data/MysqL/MysqL.sock

6. 启动

systemctl enable mariadb --Now

7. 设置密码

MysqL_secure_installation

8. 设置开机启动

systemctl enable mariadb

@H_502_54@9. 启动 mariadb

systemctl start mariadb

10. 安装错误时的卸载操作

 rpm -aq|grep Maria*
 yum -y remove Maria*