Docker- 创建支持SSH服务的容器镜像
2017-06-06 21:49
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示例 - CentOS7
[root@CentOS-7 ~]# cat ssh-centos7 FROM centos:centos7 MAINTAINER anliven "anliven@yeah.net" ENV http_proxy="http://10.144.1.10:8080" RUN yum install -y openssh-server \ && yum install -y inetutils-ping iproute net-tools \ && yum clean all \ && echo '123456' | passwd --stdin root \ && ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key \ && ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key EXPOSE 22 CMD ["/usr/sbin/sshd", "-D"] [root@CentOS-7 ~]# [root@CentOS-7 ~]# docker build --file ssh-centos7 --tag ssh:centos7 . Sending build context to Docker daemon 18.55 MB Step 1 : FROM centos:centos7 ---> a8493f5f50ff Step 2 : MAINTAINER anliven "anliven@yeah.net" ---> Running in 204f723fabdd ---> 89fa55e17d5f Removing intermediate container 204f723fabdd Step 3 : ENV http_proxy "http://10.144.1.10:8080" ---> Running in 2f70b94e0d63 ---> 0e50b2cfdc9e Removing intermediate container 2f70b94e0d63 Step 4 : RUN yum install -y openssh-server && yum install -y inetutils-ping iproute net-tools && yum clean all && echo '123456' | passwd --stdin root && ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key && ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key ---> Running in fb4b2380f5ec ...... ...... ...... ---> d1548e06d027 Removing intermediate container fb4b2380f5ec Step 5 : EXPOSE 22 ---> Running in 03afbb7ffc45 ---> 90c69174857b Removing intermediate container 03afbb7ffc45 Step 6 : CMD /usr/sbin/sshd -D ---> Running in a07326dc62aa ---> 3bf6495f5de6 Removing intermediate container a07326dc62aa Successfully built 3bf6495f5de6 [root@CentOS-7 ~]# [root@CentOS-7 ~]# docker images ssh:centos7 REPOSITORY TAG IMAGE ID CREATED SIZE ssh centos7 3bf6495f5de6 About a minute ago 217.9 MB [root@CentOS-7 ~]# [root@CentOS-7 ~]# docker run -d -P ssh:centos7 1733db18cfd18735504272f90655d832b36e898998e5054bbbf499fcab381827 [root@CentOS-7 ~]# [root@CentOS-7 ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 1733db18cfd1 ssh:centos7 "/usr/sbin/sshd -D" 7 seconds ago Up 6 seconds 0.0.0.0:32769->22/tcp amazing_hamilton [root@CentOS-7 ~]# [root@CentOS-7 ~]# ssh -p 32769 root@0.0.0.0 The authenticity of host '[0.0.0.0]:32769 ([0.0.0.0]:32769)' can't be established. RSA key fingerprint is cf:28:2c:32:94:82:40:2a:b3:54:51:6f:f6:0b:43:e8. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '[0.0.0.0]:32769' (RSA) to the list of known hosts. root@0.0.0.0's password: [root@1733db18cfd1 ~]# [root@1733db18cfd1 ~]# ip addr show |grep eth0 52: eth0@if53: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP inet 172.17.0.2/16 scope global eth0 [root@1733db18cfd1 ~]# [root@1733db18cfd1 ~]# exit logout Connection to 0.0.0.0 closed. [root@CentOS-7 ~]#
示例 - Ubuntu16.04
[root@CentOS-7 ~]# cat ssh-ubuntu16 FROM ubuntu:16.04 MAINTAINER anliven "anliven@yeah.net" ENV http_proxy="http://10.144.1.10:8080" RUN apt-get update \ && apt-get install -y openssh-server \ && apt-get install -y inetutils-ping iproute net-tools \ && apt-get clean \ && mkdir /var/run/sshd \ && sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin yes/g' /etc/ssh/sshd_config \ && echo "root:123456" | chpasswd EXPOSE 22 CMD ["/usr/sbin/sshd", "-D"] [root@CentOS-7 ~]# [root@CentOS-7 ~]# docker build --file ssh-ubuntu16 --tag ssh:ubuntu16 . Sending build context to Docker daemon 18.55 MB Step 1 : FROM ubuntu:16.04 ---> f7b3f317ec73 Step 2 : MAINTAINER anliven "anliven@yeah.net" ---> Running in 6259dee07753 ---> 427750397620 Removing intermediate container 6259dee07753 Step 3 : ENV http_proxy "http://10.144.1.10:8080" ---> Running in bcb0bd688544 ---> aa313abb23c8 Removing intermediate container bcb0bd688544 Step 4 : RUN apt-get update && apt-get install -y openssh-server && apt-get install -y inetutils-ping iproute net-tools && apt-get clean && mkdir /var/run/sshd && sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin yes/g' /etc/ssh/sshd_config && echo "root:123456" | chpasswd ---> Running in a916fc8fc699 ...... ...... ...... ---> fee74bafa989 Removing intermediate container a916fc8fc699 Step 5 : EXPOSE 22 ---> Running in c6d1032bd372 ---> a99434e93cc6 Removing intermediate container c6d1032bd372 Step 6 : CMD /usr/sbin/sshd -D ---> Running in 4750dcb341a6 ---> c5cbd98fb8c7 Removing intermediate container 4750dcb341a6 Successfully built c5cbd98fb8c7 [root@CentOS-7 ~]# [root@CentOS-7 ~]# docker images ssh:ubuntu16 REPOSITORY TAG IMAGE ID CREATED SIZE ssh ubuntu16 c5cbd98fb8c7 47 seconds ago 215.6 MB [root@CentOS-7 ~]# [root@CentOS-7 ~]# docker run -d -P ssh:ubuntu16 f92e3274421f3b0dfca0605bc0c8df3ea13dcace3a307e77f4d600f819645537 [root@CentOS-7 ~]# [root@CentOS-7 ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES f92e3274421f ssh:ubuntu16 "/usr/sbin/sshd -D" 5 seconds ago Up 4 seconds 0.0.0.0:32773->22/tcp dreamy_brahmagupta [root@CentOS-7 ~]# [root@CentOS-7 ~]# ssh -p 32773 root@0.0.0.0 The authenticity of host '[0.0.0.0]:32773 ([0.0.0.0]:32773)' can't be established. a9c2 ECDSA key fingerprint is 01:66:ff:54:44:34:92:ab:6d:7a:77:a9:6a:18:7d:1d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '[0.0.0.0]:32773' (ECDSA) to the list of known hosts. root@0.0.0.0's password: Welcome to Ubuntu 16.04.2 LTS (GNU/Linux 3.10.0-327.el7.x86_64 x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage The programs included with the Ubuntu system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. root@f92e3274421f:~# root@f92e3274421f:~# exit logout Connection to 0.0.0.0 closed. [root@CentOS-7 ~]#
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