CentOS安装MySQL5.7

原文链接:https://blog.csdn.net/m0_55730189/article/details/126716163

CentOS安装MySQL5.7
MySQL :: Download MySQL Community Server

下载MySQL  -->https://dev.mysql.com/downloads/mysql/5.7.html

 

 

 

 

把mysql上传至服务器(使用Xshell或者FinalShell)

查看文件

ls

 


解压

 tar -zxvf mysql-5.7.39-linux-glibc2.12-x86_64.tar.gz

 


 
移动并重命名

mv mysql-5.7.39-linux-glibc2.12-x86_64 /usr/local/mysql

创建MySQL用户组和用户组并修改权限

groupadd mysql
useradd -r -g mysql mysql

创建数据目录并赋予权限

mkdir -p /data/mysql 
chown -R mysql:mysql /data/mysql 

 

创建mariadb目录

mkdir /var/log/mariadb

 

新建mariadb.log文件

touch /var/log/mariadb/mariadb.log

mysql 用户和用户对目录进行授权

chown -R mysql:mysql /var/log/mariadb

创建mysql目录

mkdir /var/lib/mysql

 

修改mysql目录权限

chmod 777 /var/lib/mysql

 


 
移除、安装依赖

 

yum remove libnuma.so.1
yum -y install numactl.x86_64

 


配置my.cnf

vim /etc/my.cnf

内容如下

[mysqld]
bind-address=0.0.0.0
port=3306
user=mysql
basedir=/usr/local/mysql
datadir=/data/mysql
socket=/var/lib/mysql/mysql.sock
log-error=/data/mysql/mysql.err
pid-file=/data/mysql/mysql.pid
character_set_server=utf8mb4
symbolic-links=0
explicit_defaults_for_timestamp=true

[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid

[client]
port=3306
socket=/var/lib/mysql/mysql.sock

 进入MySQL的bin目录

cd /usr/local/mysql/bin/

初始化

./mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql/ --datadir=/data/mysql/ --user=mysql --initialize

查看密码,记住随机密码

cat /data/mysql/mysql.err 

把mysql.server复制到/etc/init.d/mysql中

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

启动MySQL服务

service mysql start

查看MySQL进程

ps -ef|grep mysql

进入MySQL

./mysql -u root -p

输入随机密码

修改密码

SET PASSWORD = PASSWORD('123456');
ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;
FLUSH PRIVILEGES; 

修改mysql设置

use mysql 
update user set host = '%' where user = 'root'; 
FLUSH PRIVILEGES; 

退出MySQL

exit

创建MySQL软连接

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

以后在任意目录,就可以通过以下命令就可以进入MySQL

mysql -u root -p

在控制台的防火墙(安全组)新建MySQL的端口规则(默认为3306)

 

 


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原文链接:https://blog.csdn.net/m0_55730189/article/details/126716163

posted @ 2022-09-18 10:01  Janus2003  阅读(757)  评论(0编辑  收藏  举报