mysql安装---rpm包
1.1安装mysql
1.1.1 检查依赖
rpm -qa | grep libaio rpm -qa | grep net-tools rpm -qa | grep perl yum install -y net-tools perl (如果没安装，则需要安装)
1.1.2 卸载mariadb
rpm -qa | grep mariadb rpm -e --nodeps mariadb-libs-5.5.68-1.el7.x86_64
1.1.3.开始安装
mkdir mysql tar xvf mysql-8.0.39-1.el7.x86_64.rpm-bundle.tar -C mysql cd mysql rpm -ivh mysql-community-common-8.0.39-1.el7.x86_64.rpm rpm -ivh mysql-community-client-plugins-8.0.39-1.el7.x86_64.rpm rpm -ivh mysql-community-libs-8.0.39-1.el7.x86_64.rpm rpm -ivh mysql-community-client-8.0.39-1.el7.x86_64.rpm rpm -ivh mysql-community-icu-data-files-8.0.39-1.el7.x86_64.rpm rpm -ivh mysql-community-server-8.0.39-1.el7.x86_64.rpm mysqld --initialize --console --user=mysql #初始化
1.1.4 检查是否安装成功
rpm -qa | grep mysql mysql --version systemctl status mysqld
1.1.5启动并开机自启
systemctl start mysqld systemctl enable mysqld
1.1.6 查看初始化密码
cat /var/log/mysqld.log | grep password
1.1.7 修改密码并登陆
mysqladmin -uroot -p'初始化密码' password '新密码' mysql -uroot -p'新密码'
原文地址：https://blog.csdn.net/m0_65477493/article/details/143939044
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