安装mysql 5.7.22

下载mysql

https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz

参考

https://blog.youkuaiyun.com/MAOKO415101/article/details/87814981

流程

cd /usr/local/stuff/mysql-bak

wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz

tar -zxvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz

mv  mysql-5.7.22-linux-glibc2.12-x86_64  mysql

mysql用户组
groupadd mysql
mysql用户
useradd mysql -g mysql

chown -R mysql.mysql mysql-bak

#初始化 ，记住临时密码

cd mysql/bin

/mysqld --initialize --user=mysql --basedir=/usr/local/stuff/mysql-bak/mysql/ --datadir=/usr/local/stuff/mysql-bak/mysql/data/ --lc_messages_dir=/usr/local/stuff/mysql-bak/mysql/share --lc_messages=en_US

启动

./mysqld_safe --user=mysql &

设置随机启动

cd /usr/local/mysql/support-files/
cp mysql.server /etc/init.d/mysql
vi /etc/init.d/mysql
将mysql目录填上：
basedir=/usr/local/mysql/
datadir=/usr/local/mysql/data/
授权：chmod +x /etc/init.d/mysql

然后重启，否则不生效，使用service mysql status 提示mysql.service unit不存在
 

apt-get update 

apt-get install sysv-rc-conf 

sysv-rc-conf nginx on

重置密码

./mysql -uroot -p 临时密码 #登录