CentOS 通过yum在线安装MysqL5.7 cd /usr/local mkdir MysqL Step1: 检测系统是否自带安装MysqL，并安装yum-config-manager，否则无法第三步设置 # yum list installed | grep MysqL # yum install yum-utils -y Step2: 删除系统自带的MysqL及其依赖(上一步的结果) # yum -y remove MysqL-libs.x86_64 Step3: 给CentOS添加rpm源，并且选择较新的源 # wget dev.MysqL.com/get/MysqL-community-release-el6-5.noarch.rpm # yum localinstall MysqL-community-release-el6-5.noarch.rpm # yum repolist all | grep MysqL # yum-config-manager --disable MysqL55-community # yum-config-manager --disable MysqL56-community # yum-config-manager --enable MysqL57-community-dmr # yum repolist enabled | grep MysqL Step4:安装MysqL 服务器 # yum install MysqL-community-server Step5: 启动MysqL # service MysqLd start Step6: 查看MysqL是否自启动,并且设置开启自启动 # chkconfig --list | grep MysqLd # chkconfig MysqLd on 7.查看状态 # service MysqLd status MysqLd (pid 3066) is running. 8.修改密码 # grep ‘temporary password‘ /var/log/MysqLd.log 结果：2018-11-05T13:25:24.167477Z 1 [Note] A temporary password is generated for [email protected]: 8Id-kff:Ihef # MysqL -uroot -p # 输入第一步的密码 8Id-kff:Ihef # 修改 ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘123456‘; 参考： https://www.linuxidc.com/Linux/2016-10/136523.htm https://dev.MysqL.com/doc/refman/5.7/en/linux-installation-yum-repo.html