linux 安装 mysql5.7.17

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本篇属转载,因无法验证原作者,就不贴源路径了,内容上加了一些个人的小修改。方便自己以后查阅

本机系统: centos7

mysql版本:mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz


解压并复制:

tar -zxvf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz
mv mysql-5.7.17-linux-glibc2.5-x86_64 /usr/local/mysql

安装路径定为:/usr/local/mysql

创建数据库文件目录:

mkdir /usr/local/mysql/data



创建用户:

groupadd mysql
useradd mysql -g mysql



初始化数据:

/usr/local/mysql/bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/
2017-08-08 16:37:56 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize2017-08-08 16:38:05 [WARNING] The bootstrap log isn't empty:2017-08-08 16:38:05 [WARNING] 2017-08-08T20:37:56.644166Z 0 [Warning] --bootstrap is deprecated. Please consider using --initialize instead2017-08-08T20:37:56.663402Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000)2017-08-08T20:37:56.663426Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000)

删除原配置文件:
rm -rf /etc/my.cnf


复制配置文件至程序目录:

cp /usr/local/mysql/support-files/my-default.cnf  /usr/local/mysql/my.cnf

复制启动文件:

 cp /usr/local/mysql/support-files/mysql.server  /etc/init.d/mysql


启动mysql:

service mysql start
ps -ef        #查看是启动

查看root初始密码:

cat /root/.mysql_secret


设置软链接:

ln -s /usr/local/mysql/bin/mysql /usr/bin/

登录mysql:

mysql -uroot -p
输入刚才获取的密码


登录后需要修改默认密码:

set password for 'root'@localhost=password('123456');


退出mysql:

exit


将mysql添加到开机启动:

chkconfig mysql on


完成