linux centos7下安装mysql5.7.22
下载地址:https://downloads.mysql.com/archives/community/安装依赖 :yum install -y cmake make gcc gcc-c++ libaio ncurses ncurses-devel解压tar -zxvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz...
下载地址:https://downloads.mysql.com/archives/community/
安装依赖 :
yum install -y cmake make gcc gcc-c++ libaio ncurses ncurses-devel
解压 tar -zxvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
将解压的复制到 /usr/local/mysql 目录
cp -r mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/mysql
添加系统mysql组和mysql用户
添加系统mysql组 groupadd mysql
添加mysql用户 useradd -r -g mysql mysql
安装数据库
切到mysql目录 cd /usr/local/mysql
修改当前目录拥有者为mysql用户 chown -R mysql:mysql ./
安装数据库 bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data
红色框中的是临时密码、
看到有的报这个错
bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
解决方法:yum install -y libaio
执行以下命令创建RSA private key
bin/mysql_ssl_rsa_setup --datadir=/usr/local/mysql/data
修改当前目录拥有者为mysql用户 chown -R mysql:mysql ./
修改当前data目录拥有者为mysql用户 chown -R mysql:mysql data
4、配置my.cnf
vim /etc/my.cnf
[mysqld]
character_set_server=utf8
init_connect='SET NAMES utf8'
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
socket=/tmp/mysql.sock
#不区分大小写
lower_case_table_names = 1
#不开启sql严格模式
sql_mode = "STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
log-error=/var/log/mysqld.log
pid-file=/usr/local/mysql/data/mysqld.pid
添加开机启动 cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
修改 vim /etc/init.d/mysqld
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
启动
service mysqld start
加入开机起动 chkconfig --add mysqld
6、登录修改密码 mysql -uroot -p 上面初始化时的密码
如果出现错误 需要添加软连接 ln -s /usr/local/mysql/bin/mysql /usr/bin
修改密码
alter user 'root'@'localhost' identified by '123456';
flush privileges; #刷新权限
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