安装步骤
卸载 Maria DB
yum -y remove mariadb-libs
注:默认情况下,CentOS 7 中安装了 Maria DB ,要想安装 MysqL,需要先卸载 Maria DB,否则继续安装 MysqL 会报错:
Error: Package: akonadi-MysqL-1.9.2-4.el7.x86_64 (@anaconda) Requires: mariadb-server Removing: 1:mariadb-server-5.5.35-3.el7.x86_64 (@anaconda) mariadb-server = 1:5.5.35-3.el7 Obsoleted By: MysqL-community-server-5.6.25-2.el7.x86_64 (MysqL56-community) Not found Updated By: 1:mariadb-server-5.5.41-2.el7_0.x86_64 (base) mariadb-server = 1:5.5.41-2.el7_0
安装 MysqL 社区版
rpm -Uvh https://repo.MysqL.com/MysqL80-community-release-el7-3.noarch.rpm sed -i 's/enabled=1/enabled=0/' /etc/yum.repos.d/MysqL-community.repo yum --enablerepo=MysqL80-community install MysqL-community-server
启动 MysqL 服务
service MysqLd start
-
grep "A temporary password" /var/log/MysqLd.log # 通过这条命令可以查看 root 用户的默认密码
然后执行以下命令修改 root 用户默认密码(期间会要求回答一些问题,并多次要求输入新密码):
MysqL_secure_installation
重启 MysqL 服务并设置开机自启动
service MysqLd restart chkconfig MysqLd on
本地登录
MysqL -u root -p
参考:
- https://www.mysqltutorial.org/install-mysql-centos/
- https://stackoverflow.com/questions/30696902/fails-installing-mysql-on-centos-7
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