1.獲取yum repo

wget https://dev.mysql.com/get/mysql80-community-release-el7-5.noarch.rpm

2.localinstall repo

yum localinstall mysql80-community-release-el7-5.noarch.rpm

3.檢查mysql repo是否添加成功

yum repolist enabled | grep "mysql.*-community.*"

4.查看mysql可安裝的版本列表

yum repolist all | grep mysql?

5.設置repo enable版本

根據步驟4應該是默認啟用了mysql80-community

sudo yum-config-manager --disable mysql80-community

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啟用mysql57-community

sudo yum-config-manager --enable mysql57-community

6.查看/etc/yum.repos.d/mysql-community.repo是否啟用mysql5.7

[mysql57-community] name=MySQL 5.7 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/6/$basearch/ enabled=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

7.確認mysql5.7是否enable

yum repolist enabled | grep mysql

?8.安裝mysql server

sudo yum install mysql-community-server

9.啟動mysql server

sudo service mysqld start

10.查看mysql 狀態

● mysqld.service - MySQL ServerLoaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)Active: active (running) since 三 2022-02-23 09:54:48 CST; 57s agoDocs: man:mysqld(8)http://dev.mysql.com/doc/refman/en/using-systemd.htmlProcess: 50878 ExecStart=/usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid $MYSQLD_OPTS (code=exited, status=0/SUCCESS)Process: 50819 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)Main PID: 50880 (mysqld)Tasks: 27Memory: 296.7MCGroup: /system.slice/mysqld.service└─50880 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid2月 23 09:54:34 bogon systemd[1]: Starting MySQL Server... 2月 23 09:54:48 bogon systemd[1]: Started MySQL Server.

總結

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