安装mysql5.7

1) 下载rpm安装包

wget

2) 安装mysql源

yum localinstall mysql57-community-release-el7-8.noarch.rpm

3）检查mysql源是否安装成功

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

4）开始安装mysql

yum install mysql-community-server

yum install mysql-community-devel

5) 启动mysql

service mysqld start

6)查看mysql启动状态

service mysqld status

7）设置开机启动

systemctl enable mysqld

systemctl daemon-reload

8）获取mysql默认生成的密码

grep 'temporary password' /var/log/mysqld.log

进入mysql命令行

nysql -uroot -p

更换密码

ALTER USER 'root'@'localhost' IDENTIFIED BY '123IsYourNewPassword!';

安装docker

首先查看内核版本：uname -r

yum -y install docker-io

启动docker

service docker start

设置开机启动

chkconfig --add --level 245 docker

service docker status

如果出现docker dead but subsys locked执行

yum install

docker镜像加速（用的网易蜂巢）

　　 $ sudo echo "DOCKER_OPTS=\"\$DOCKER_OPTS --registry-mirror=\"" >> /etc/default/docker

　　 $ service docker restart