1.官网下载源码包,解压放置在/usr/local(默认此路径减少安装问题)。
root@as3:/usr/local# tar -xzf mysql-5.5.49-linux2.6-x86_64.tar.gz
root@as3:/usr/local# mv mysql-5.5.49-linux2.6-x86_64 mysql5.5
2.新建mysql群组和用户(系统账号),bash不允许登录。
root@as3:/usr/local# useradd -r -s /sbin/nologin -g mysql mysql -d /usr/local/mysql5.5
root@as3:/usr/local# cat /etc/passwd|grep mysql
3.赋予权限,改变mysql的用户和组为mysql
root@as3:/usr/local# chown -R mysql:mysql /usr/local/mysql5.5
root@as3:/usr/local# ls -l
4.配置文件(my-medium.cnf文件),复制到/etc/my.cnf
root@as3:/usr/local# cp ./mysql5.5/support-files/my-medium.cnf /etc/my.cnf
5.生成mysql数据库,启动mysql安全服务,启动MySQL服务
注意当前目录
root@as3:/usr/local/mysql5.5/scripts# ./mysql_install_db --help
root@as3:/usr/local/mysql5.5/scripts#./mysql_install_db --user=mysql --basedir=/usr/local/mysql
(小坑一点,后期将安装目录修改为了/usr/local/mysql)
6.启动mysql验证(无密码)
7.修改mysql数据库中root账号的密码(无密码不能登录)
8.设置mysql服务开机自启
root@as3:/usr/local/mysql/data#cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
root@as3:/usr/local/mysql/data#systemctl enable mysql
root@as3:/usr/local/mysql/data# systemctl status mysql.service
页面更新:2024-04-29
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