1、下载tar包,这里使用wget从官网下载
wget https://dev.mysql.com/get/Downlo ... c2.12-x86_64.tar.gz
2、将mysql安装到/usr/local/mysql下
# 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
3、新建data目录
mkdir /usr/local/mysql/data
4、新建mysql用户、mysql用户组
# mysql用户组
groupadd mysql
# mysql用户
useradd mysql -g mysql
5、将/usr/local/mysql的所有者及所属组改为mysql
chown -R mysql.mysql /usr/local/mysql
6、配置
/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:
2018-07-14 06:40:32 [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
-- server log begin --
-- server log end --
# 则使用以下命令: /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 directory
# 则执行以下命令: yum -y install numactl # 完成后继续安装: /usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize# 编辑/etc/my.cnf
[mysqld]datadir=/usr/local/mysql/databasedir=/usr/local/mysqlsocket=/tmp/mysql.sockuser=mysqlport=3306character-set-server=utf8
# 取消密码验证
skip-grant-tables# Disabling symbolic-links is recommended to prevent assorted security riskssymbolic-links=0# skip-grant-tables[mysqld_safe]log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pid
7、开启服务 # 将mysql加入服务 cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql # 开机自启 chkconfig mysql on # 开启 service mysql start 8、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) /usr/local/mysql/bin/mysql -u root -p # 操作mysql数据库 >>use mysql; # 修改密码 >>update user set authentication_string=password('你的密码') where user='root'; >>flush privileges; >>exit; 9、将/etc/my.cnf中的skip-grant-tables删除 10、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) /usr/local/mysql/bin/mysql -u root -p >>ALTER USER 'root'@'localhost' IDENTIFIED BY '修改后的密码'; >>exit; 11、允许远程连接 /usr/local/mysql/bin/mysql -u root -p >>use mysql; >>update user set host='%' where user = 'root'; >>flush privileges; >>eixt; 12、添加快捷方式 ln -s /usr/local/mysql/bin/mysql /usr/bin
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