查看安装以及卸载
# 查看 rpm -qa | grep mysql # 卸载 yum -y remove mysql-libs-5.1.66-2.el6_3.x86_64
1.centos7需要先卸载mariadb
查看命令rpm -qa | grep mariadb
安装包资源地址
mysql下载地址：https://dev.mysql.com/downloads/mysql/
# 下载资源名称 mysql-5.7.22-1.el7.x86_64.rpm-bundle.tar
解压资源
tar -xvf mysql-5.7.22-1.el7.x86_64.rpm-bundle.tar
获取rpm包
mysql-community-common-5.7.19-1.el6.x86_64.rpm mysql-community-client-5.7.19-1.el6.x86_64.rpm mysql-community-server-5.7.19-1.el6.x86_64.rpm mysql-community-libs-5.7.19-1.el6.x86_64.rpm
安装
# 安装顺序 # common --> libs --> clients --> server # 安装命令 rpm -ivh mysql-community-common-5.7.19-1.el6.x86_64.rpm mysql-community-libs-5.7.19-1.el6.x86_64.rpm mysql-community-client-5.7.19-1.el6.x86_64.rpm mysql-community-server-5.7.19-1.el6.x86_64.rpm
可能需要依赖包libaio
安装命令yum -y install libaio
初始化
mysqld --initialize --user=mysql
启动
service mysqld start
登录
# 查看初始密码
cat /var/logs/mysql.log
#或者
grep 'password' /var/logs/mysql.log -n -B 5
# 登陆
mysql -uroot -p'123456'
# 修改初始密码
set PASSWORD=PASSWORD('密码');
授权远程链接
### 授权192.168.0.1可以远程链接*[所有数据库].*[所有表] 账号：root 密码123456 grant all privileges on *.* to 'root'@'192.168.0.1' identified by '123456'; ### 授权所有ip grant all privileges on *.* to 'root'@'%' identified by '123456'; ### 以上*.*表示[数据库].[表] ### 使授权立刻生效 flush privileges;
