在服务器宿主机上登陆自己的docker容器

主要实现:

有人在服务器上给你开了一个docker的容器,但是你直接就在宿主机面前,你想直接通过宿主机登陆你的docker容器。

注意不是通过docker容器的用户名和密码进入的桌面系统。

1、首先随意通过一个账号,进入宿主机UBUNTU的桌面系统。【不一定需要root账户的账号,肯能是其他容器的账号和密码】

2、查询所有的容器名称

(base) user@user-Precision-7920-Tower:~$ sudo docker ps -a
[sudo] password for user: 

这里因为我们是通过USER的用户名进入的宿主机桌面系统,所以我们这里也输入对应的USER用户的密码。得到结果:

dbf1c5313645   ubuntu:18.04   "/bin/bash"              12 hours ago   Up 12 hours              0.0.0.0:56791->22/tcp, :::56791->22/tcp   pxs_del
c1583f277cfb   demo:v1        "python ./src/main.py"   7 weeks ago    Exited (0) 7 weeks ago                                             exciting_carson
25cf32b32615   demo:v1        "python ./src/main.py"   7 weeks ago    Exited (0) 7 weeks ago                                             boring_greider
fd97e24a5760   hello-world    "/hello"                 7 weeks ago    Exited (0) 7 weeks ago                                             focused_dijkstra
76266e831ebe   cpss_image10   "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             dazzling_galileo
3029b1a7b4cc   cpss_image10   "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             practical_torvalds
fbce131facaa   cpss_image9    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             reverent_swirles
bd58eb7e665c   cpss_image8    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             relaxed_neumann
f86e276eb38f   cpss_image7    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             xenodochial_torvalds
366b1cf4c4e7   8e40e6d75d8b   "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             affectionate_cerf
b5930a370d5d   cpss_image6    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             nostalgic_gould
16ca73a9a55b   cpss_image6    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             funny_pascal
13780c30a487   cpss_image5    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             sweet_wozniak
78538d7cfe94   cpss_image4    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             agitated_jang
38f550329ec5   cpss_image3    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             eager_mendeleev
b3375cf0ac48   cpss_image2    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             nice_antonelli
6c1f387eef95   cpss_image2    "/opt/nvidia/nvidia_…"   7 weeks ago    Exited (0) 7 weeks ago                                             vibrant_dijkstra
65cf50d473c7   cpss_image     "/opt/nvidia/nvidia_…"   8 weeks ago    Exited (0) 8 weeks ago                                             serene_dubinsky
845620c4c77e   cpss_image     "/opt/nvidia/nvidia_…"   8 weeks ago    Created                  6006/tcp, 8888/tcp                        exciting_chatelet
6fda569077dc   cpss_image     "/opt/nvidia/nvidia_…"   8 weeks ago    Exited (1) 8 weeks ago                                             clever_mirzakhani
5c824535f7a5   8ccfa82e7ef1   "/opt/nvidia/nvidia_…"   8 weeks ago    Exited (2) 8 weeks ago                                             angry_diffie
65ab372193cc   1a20c7907d52   "/opt/nvidia/nvidia_…"   8 weeks ago    Exited (2) 8 weeks ago                                             distracted_carson
4592379b0e99   c8732b517376   "/opt/nvidia/nvidia_…"   8 weeks ago    Exited (1) 8 weeks ago                                             relaxed_jemison
d5b959f55146   f94f9ffc07f4   "/opt/nvidia/nvidia_…"   8 weeks ago    Exited (2) 8 weeks ago                                             heuristic_sinoussi
57f5a9dd540e   f94f9ffc07f4   "/opt/nvidia/nvidia_…"   8 weeks ago    Exited (2) 8 weeks ago                                             suspicious_sutherland
c9851762e4ed   hello-world    "/hello"                 8 weeks ago    Exited (0) 8 weeks ago                                             admiring_wescoff

找到自己的容器的名字,比如是第一个: dbf1c5313645

看看自己容器的状态,如果容器的状态是Exited(255),则说明容器退出了,需要使用以下命令重启重启容器。

sudo docker start dbf

dbf是自己容器名字的前三个字母

3、进入自己的docker容器

sudo docker exec -it dbf /bin/bash

上面命令中容器名字只用输入前三位即可。此时就已经在自己的容器中了,所有操作将在dbf1c5313645容器中进行.

为了以后进入docker容器方便,不用通过宿主机,而是远程SSH直接连接自己的容器,通常我们再重启容器后要重启SSH 服务。重启SSH这个命令是在容器中进行的。

root@dbf1c5313645:/# service ssh restart
 * Restarting OpenBSD Secure Shell server sshd    

4、退出自己容器进入宿主机的容器,使用的是Ctrl+P+Q三个按键同时,否则就是关闭docker容器而不是退出容器。

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