Linux-mysql编译安装步骤

安装mysql

用wget下载

cd /server/tools/
wget http://mirrors.163.com/mysql/Downloads/MySQL-5.7/mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz

解压缩

    tar xf mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz

规范安装目录

 mv mysql-5.7.26-linux-glibc2.12-x86_64 /application/mysql-5.7.26
  ln -s /application/mysql-5.7.26 /application/mysql

清除mariadb数据库

    rpm -e --nodeps mariadb-libs

配置my.cnf文件

  vim /etc/my.cnf
  [mysqld]
  basedir = /application/mysql/
  datadir = /application/mysql/data
  socket = /tmp/mysql.sock
  server_id = 1
  port = 3306
  log_error = /application/mysql/data/oldboy_mysql.err
  
  [mysql]
  socket = /tmp/mysql.sock
  prompt = oldboy [\\d]>

安装依赖包

  yum install libaio-devel -y

创建mysql用户

  useradd mysql -s /sbin/nologin -M
  mkdir -p /application/mysql/data
  chown -R mysql.mysql /application/mysql/

编译安装

  /application/mysql/bin/mysqld --initialize-insecure --user=mysql --basedir=/application/mysql/ --datadir=/application/mysql/data

配置mysql服务文件

  cat >/etc/systemd/system/mysqld.service <<poi
  [Unit]
  Description=MySQL Server by oldboy
  Documentation=man:mysqld(8)
  Documentation=http://dev.mysql.com/doc/refman/en/      using-systemd.html
  After=network.target
  After=syslog.target
  [Install]
  WantedBy=multi-user.target
  [Service]
  User=mysql
  Group=mysql
  ExecStart=/application/mysql/bin/mysqld --        defaults-file=/etc/my.cnf
  LimitNOFILE = 5000
  poi

开启mysql服务

  systemctl start mysqld
  systemctl status mysqld

添加环境变量

  echo 'export PATH=/application/mysql/bin:$PATH' >>/etc/profile
   . /etc/profile

安装完成

  - 设置数据库密码
  mysqladmin -u root password 'xxxxxxxx'