docker基于commit方式为镜像添加SSH服务

下载启动镜像

docker pull ubuntu: 18.04

docker run -it ubuntu:18.04 bash

 

配置软件源

备份/etc/apt/sources.list
#备份
cp /etc/apt/sources.list /etc/apt/sources.list.bak

在/etc/apt/sources.list文件前面添加如下条目（可以采用echo "xxx" > sources.list方式添加）
#添加阿里源
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse

 

安装和配置ssh服务

ubuntu容器中默认没有vim

apt-get install vim

apt-get install openssh-server

mkdir root/.ssh

vim /root/.ssh/authorized_keys

将本机和宿主机的授权key都加到~/.ssh/authorized_keys。

创建启动ssh服务脚本

vim /run.sh

chmod +x run.sh



#!/bin/bash

/usr/sbin/sshd -D



exit

取消pam登陆限制

sed ri 's/session required pam_loginuid.so/#session required pam_loginuid.so/g' /etc/pam.d/sshd

提交新的镜像

docker commit 8945ee8845fd sshd1:ubuntu

启动镜像
 

docker run  -p 10022:22 -d sshd1:ubuntu /run.sh

本机ssh访问测试

可以看到是免密登录了。

 

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