Docker构建Centos7容器

下载镜像
docker pull centos:7.6.1810
构建容器
docker run --name centos_a -dit -p 30522:22 centos:7.6.1810 /bin/bash
进入容器
docker attach centos_a

yum search ifconfig

yum install -y net-tools.x86_64

yum install -y openssh-server

ssh-keygen -q -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N ''

ssh-keygen -q -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -N ''

ssh-keygen -t dsa -f /etc/ssh/ssh_host_ed25519_key -N ''

sed -i "s/#PermitRootLogin.*/PermitRootLogin yes/g" /etc/ssh/sshd_config

sed -i "s/#PubkeyAuthentication.*/PubkeyAuthentication yes/g" /etc/ssh/sshd_config

/usr/sbin/sshd -D &

passwd

ps -e | grep sshd

netstat -an | grep 22

CTRL+P+Q   #退出容器，但不停止