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1. 去官网下载安装包
下载链接:点击打开链接
https://dev.mysql.com/downloads/mysql/
如果你的系统是32位选择第一个,64位选择第二个
也可以用wget 下载
wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.11-linux-glibc2.12-i686.tar.gz
解压文件
tar -zxvf mysql-8.0.11-linux-glibc2.12-i686.tar.gz
2 移动压缩包到usr/local目录下,并重命名文件
mv /root/mysql-8.0.11-linux-glibc2.12-i686 /usr/local/mysql
3.在MySQL根目录下新建一个文件夹data,用于存放数据
mkdir data
4.创建 mysql 用户组和 mysql 用户
groupadd mysql useradd -g mysql mysql
5.改变 mysql 目录权限
chown -R mysql.mysql /usr/local/mysql/ 或者 chown -R mysql . chgrp -R mysql .
注意最后有一点
6.初始化数据库
创建mysql_install_db安装文件
mkdir mysql_install_db chmod 777 ./mysql_install_db
初始化
bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data //初始化数据库
或者
/usr/local/mysql/bin/mysqld --initialize --user=mysql /usr/local/mysql/bin/mysqld --initialize --user=mysql /usr/local/mysql/bin/mysqld (mysqld 8.0.11) initializing of server in progress as process 5826 [Server] A temporary password is generated for root@localhost: twi=Tlsi<0O! /usr/local/mysql/bin/mysqld (mysqld 8.0.11) initializing of server has completed
记录好自己的临时密码:
twi=Tlsi<0O!
这里遇到了问题没有libnuma.so.1
zsh: command not found: mysqld
./bin/mysqld --initialize
./bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such file or directory2018-04-29 17:06:30 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize
2018-04-29 17:06:30 [ERROR] Can't locate the language directory.
需要安装 libnuma
yum install libnuma yum -y install numactl yum install libaio1 libaio-dev
安装文件
7.mysql配置
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
修改my.cnf文件
vim /etc/my.cnf
[mysqld] basedir = /usr/local/mysql datadir = /usr/local/mysql/data socket = /usr/local/mysql/mysql.sock character-set-server=utf8 port = 3306 sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES [client] socket = /usr/local/mysql/mysql.sock default-character-set=utf8
esc保存
:wq 退出
8建立MySQL服务
cp -a ./support-files/mysql.server /etc/init.d/mysqld
cp mysql.server /etc/init.d/mysql chmod +x /etc/init.d/mysql