MySQL 第一次练习（安装MySQL）

1、CentOS7 RPM方式安装MySQL5.7 

 

离线安装：上传已经从官网下载好的rpm包到虚拟机

[root@localhost ~]# ls -l mysql-5.7.36-1.el7.x86_64.rpm-bundle.tar 
-rw-r--r--. 1 root root 545863680 Dec 10 20:28 mysql-5.7.36-1.el7.x86_64.rpm-bundle.tar

 解压：

[root@localhost ~]# tar xf mysql-5.7.36-1.el7.x86_64.rpm-bundle.tar 
[root@localhost ~]# ls -l mysql-
mysql-5.7.36-1.el7.x86_64.rpm-bundle.tar
mysql-community-client-5.7.36-1.el7.x86_64.rpm
mysql-community-common-5.7.36-1.el7.x86_64.rpm
mysql-community-devel-5.7.36-1.el7.x86_64.rpm
mysql-community-embedded-5.7.36-1.el7.x86_64.rpm
mysql-community-embedded-compat-5.7.36-1.el7.x86_64.rpm
mysql-community-embedded-devel-5.7.36-1.el7.x86_64.rpm
mysql-community-libs-5.7.36-1.el7.x86_64.rpm
mysql-community-libs-compat-5.7.36-1.el7.x86_64.rpm
mysql-community-server-5.7.36-1.el7.x86_64.rpm
mysql-community-test-5.7.36-1.el7.x86_64.rpm

 安装：

[root@localhost ~]# yum remove mariadb-libs  //移除mariadb的libs
[root@localhost ~]# rpm -ivh mysql-community-client-5.7.36-1.el7.x86_64.rpm mysql-community-common-5.7.36-1.el7.x86_64.rpm mysql-community-libs-5.7.36-1.el7.x86_64.rpm mysql-community-server-5.7.36-1.el7.x86_64.rpm 

 启动服务：

[root@localhost ~]# systemctl enable --now mysqld  //设置为开机自启并立即启动

登录：

[root@localhost ~]# P=`awk