第一步:linxu环境下安装mysql5.67的准备工作
下载tar包,这里使用wget从官网下载
wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
第二步:将下载的安装包拖入到linxu环境中进行解压,移动。
# 解压
tar -xvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
# 移动
mv mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/
# 重命名
mv /usr/local/mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/mysql
第三步:新建data目录
[root@localhost usr]# mkdir /usr/local/mysql/data
第四步:新建mysql用户、mysql用户组
# mysql用户组
[root@localhost usr]# groupadd mysql
# mysql用户
[root@localhost usr]# useradd mysql -g mysql
第五步:将/usr/local/mysql的所有者及所属组改为mysql
[root@localhost usr]# chown -R mysql.mysql /usr/local/mysql
第六步:配置
[root@localhost usr]# /usr/local/mysql/bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data
如果出现以下错误:
[WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize
2018-07-14 06:40:32 [ERROR] Child process: /usr/local/mysql/bin/mysqldterminated prematurely with errno= 32
2018-07-14 06:40:32 [ERROR] Failed to execute /usr/local/mysql/bin/mysqld --bootstrap --datadir=/usr/local/mysql/data --lc-messages-dir=/usr/local/mysql/share --lc-messages=en_US --basedir=/usr/local/mysql
则使用以下命令:
[root@localhost usr]# /usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize
如果出现以下错误:
/usr/local/mysql/bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such file or director
则执行以下命令:
[root@localhost usr]# yum -y install numactl
完成后继续安装:
[root@localhost usr]# /usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize
第七步: 编辑/etc/my.cnf
[mysqld]
datadir=/usr/local/mysql/data
basedir=/usr/local/mysql
socket=/tmp/mysql.sock
user=mysql
port=3306
character-set-server=utf8
# 取消密码验证
skip-grant-tables
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# skip-grant-tables
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
第八步:开启服务
# 将mysql加入服务
[root@localhost usr]# cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
# 开机自启
[root@localhost usr]# chkconfig mysql on
# 开启
[root@localhost usr]# service mysql start
第九步:设置密码
# 登录(由于/etc/my.cnf中设置了取消密码验证,所以此处密码任意)
[root@localhost usr]# /usr/local/mysql/bin/mysql -u root -p
# 操作mysql数据库
[root@localhost mysql]# use mysql;
# 修改密码
[root@localhost mysql]# update user set authentication_string=password('你的密码') where user='root';
[root@localhost mysql]# flush privileges;
[root@localhost mysql]# exit;
将/etc/my.cnf中的skip-grant-tables删除;
第十步:登录再次设置密码(不知道为啥如果不再次设置密码就操作不了数据库了)
[root@localhost usr]# /usr/local/mysql/bin/mysql -u root -p
[root@localhost mysql]# ALTER USER 'root'@'localhost' IDENTIFIED BY '修改后的密码';
[root@localhost mysql]# exit;
第十一步:允许远程连接
[root@localhost usr]# /usr/local/mysql/bin/mysql -u root -p
[root@localhost mysql]# use mysql;
[root@localhost mysql]# update user set host='%' where user = 'root';
[root@localhost mysql]# flush privileges;
[root@localhost mysql]# eixt;
第十二步:添加快捷方式
[root@localhost usr]# ln -s /usr/local/mysql/bin/mysql /usr/bin
linux下安装mysql5.7分享到此结束;
原文作者技术博客:https://www.jianshu.com/u/ac4daaeecdfe
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