Linux 安装 mysql

1.卸载mysql
yum remove mysql mysql-server mysql-libs compat-mysql51
rm -rf /var/lib/mysql

rm /etc/my.cnf

2.下载mysql(https://dev.mysql.com/downloads/mysql/5.6.html#downloads)

wget https://cdn.mysql.com//Downloads/MySQL-5.5/MySQL-5.5.58-1.el6.x86_64.rpm-bundle.tar

2.将下载下来的tar文件解压 

tar -xvf MySQL-5.5.58-1.el6.x86_64.rpm-bundle.tar

3.安装顺序依次安装:

yum install MySQL-shared-5.5.58-1.el7.x86_64.rpm

yum install MySQL-server-5.5.58-1.el6.x86_64.rpm

yum install MySQL-client-5.5.58-1.el6.x86_64.rpm

yum install MySQL-devel-5.5.58-1.el6.x86_64.rpm

4.启动服务:

service mysql start

5.查看服务运行状态:

service mysql status

出现如上状态,则安装成功.

注:如上安装步骤,默认登录用户为root,密码为空.

修改密码:

mysqladmin -u用户名 -p旧密码 password 新密码