1:查看防火状态
systemctl status firewalld
service iptables status
2:暂时关闭防火墙
systemctl stop firewalld
service iptables stop
3:永久关闭防火墙
systemctl disable firewalld
chkconfig iptables off
4:重启防火墙
systemctl enable firewalld
service iptables restart
查看3306端口 netstat -anp | grep 3306
开始
[root@localhost ~]# systemctl start docker
自启[root@localhost ~]# systemctl enable docker
修改镜像元加速镜像地址https://cr.console.aliyun.com/cn-hangzhou/instances/mirrors sudo mkdir -p /etc/docker sudo tee /etc/docker/daemon.json <<-‘EOF’ { “registry-mirrors”: [“https://zdjo9p65.mirror.aliyuncs.com”] } EOF sudo systemctl daemon-reload sudo systemctl restart docker
拉取镜像[root@localhost docker]# docker pull mysql:5.7
容器开启[root@localhost ~]# docker run --name=mysql -it -p 3306:3306 -e MYSQL_ROOT_PASSWORD=123456 -d docker.io/mysql:5.7 [root@localhost ~]# docker start xxxx [root@localhost ~]# docker update --restart=always xxx