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docker - Docker 容器 - 更新入口点文件

问题描述

我在 Ubuntu 上有 Docker Container 并尝试启动它，它最初是由专业开发人员设置的（我是 docker/container 的新手）

使用启动容器时docker start 16e5e9280bfe -a出现此错误

bash: startup.sh: No such file or directory

这是容器列表

CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                        PORTS               NAMES
16e5e9280bfe        9fc1df773d19        "bash startup.sh"   9 months ago        Exited (127) 53 seconds ago                       mystifying_kapitsa

该命令bash startup.sh有一个问题，即 docker 无法找到 startup.sh 文件（可能已被删除）并且我不知道应该在哪里创建该文件（在这方面需要您的帮助）

我尝试编辑 config.v2.json 文件（删除 CMD 和 ARG 参数），/var/lib/docker/containers/16e5e9280bfea319c5094cddb4b2da71b6e461be824b119c32817e281d282f39/但是当我启动容器时，它被系统覆盖，并且 startup.sh 再次出现在文件中

如果你需要知道我有很多覆盖

drwx------  3 root root 4096 Mar 15 09:02 09a7c19f2a8e478b75d8362915c9f324fca4a0a02e24637a1e636017ac94306d/
drwx------  3 root root 4096 Mar 15 09:02 1c8a6778fe9c2285a0fb9497cf033f70c04a16d66e644f93e4d332b7f68e1b5a/
drwx------  3 root root 4096 Jul 14  2019 1d0c600d79c41bf9b5554fa928a297ac3a359fbff1c8ef903c40809b913ea640/
drwx------  3 root root 4096 Jul 14  2019 407310e8d2aefdb76bd01fa1675eef1b7512885532703c9f658c14fb9bd16b5d/
drwx------  3 root root 4096 Mar 15 09:02 63a54717c69963a50921d0c63931674c8547ad032a13de29f585df956e3e8fa5/
drwx------  3 root root 4096 Feb 27  2018 65a84394f71682bcf7eb92bb77e78525dc594b8688726e2fc2e125fe7c762f4d/
drwx------  3 root root 4096 Mar 15 09:02 68b4eb941a39414a13e1d20d623f1fa65951cf688e3ef221e3ce7ebb4a3bb5a1/
drwx------  3 root root 4096 Oct 19  2019 758f8ce11982261aae7c2200e421952f155742cbee4421d73c2ee822b6a44d6d/
drwx------  3 root root 4096 Mar  4  2018 7cfe53f80077d076c046ffe12bb189c0ae8397c02879e4ab82dfb2970708ff7b/
drwx------  3 root root 4096 Feb 27  2018 7ea1bc5aab7bdbe917daa8ab70f02a1bbdd5fef3ccd7b5865d5f0b65cf188168/
drwx------  3 root root 4096 Feb 27  2018 8726b7fc216e2caf30bc6bdfd67aac681c076fe016a3078093a327de0eb86f71/
drwx------  3 root root 4096 Oct 19  2019 a051306523973e4bb6942c9d9bb58d39fe55e5a4d8ba69bd907285d321f8c361/
drwx------  4 root root 4096 Mar 15 12:06 a1af7c75c5d4bdd231d5494618851ba1226adf91879e7091cf03313d8b97b89a/
drwx------  4 root root 4096 Mar 15 07:26 a1af7c75c5d4bdd231d5494618851ba1226adf91879e7091cf03313d8b97b89a-init/
drwx------  3 root root 4096 Mar 15 09:02 aeea6b5c888be7896a298965b7163ea14343e3bf4bb5ccb8cd2a839cba66e62d/
drwx------  3 root root 4096 Oct 19  2019 b44ca2240ee9a220eca0598a2f747ad1dfeb439019363189cbec85fb69a74775/
drwx------  3 root root 4096 Feb 27  2018 bb8c3313a4e30681ac71c8e0279ed72ea94d4fbcb1f6cf6144ac98a238e3df34/
drwx------  3 root root 4096 Mar 15 09:02 cdbbda1e3e039677378745b5e0a971fabc78d7ca37c6b3c15da45a54037da57b/
drwx------  3 root root 4096 Feb 27  2018 d1edbc1173ed75f9fc4b800893975bdf3c6f2440f8483fb9e5acb817f19a7e45/
drwx------  3 root root 4096 Feb 27  2018 e8b6a178f59cfa58f9821b555fbe28ae25ee64a22525271c5d8507dbaa41d553/
drwx------  3 root root 4096 Feb 27  2018 eb14f3c333daad51203a19145d00d484862c2443f02ad711a28b9bad3bbdf08e/
drwx------  3 root root 4096 Jul 14  2019 f598570a29c2ba8a452969191bb362431d62ef33a81da9bd4ac2aabaac2027da/
drwx------  3 root root 4096 Feb 27  2018 ffe7c7b1cc80b55698a1e7bc355fe48595dc07502a59f261821de01fcbc59f49/

这是config.v2.json文件-您可能想检查一下

{"StreamConfig":{},"State":{"Running":false,"Paused":false,"Restarting":false,"OOMKilled":false,"RemovalInProgress":false,"Dead":false,"Pid":0,"ExitCode":127,"Error":"","StartedAt":"2021-03-15T10:49:57.080556832Z","FinishedAt":"2021-03-15T10:49:57.114871213Z","Health":null},"ID":"16e5e9280bfea319c5094cddb4b2da71b6e461be824b119c32817e281d282f39","Created":"2020-05-31T17:01:37.405644454Z","Managed":false,"Path":"bash","Args":["startup.sh"],"Config":{"Hostname":"16e5e9280bfe","Domainname":"","User":"","AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"ExposedPorts":{"21/tcp":{},"22/tcp":{},"443/tcp":{},"80/tcp":{}},"Tty":true,"OpenStdin":true,"StdinOnce":false,"Env":["PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","FFMPEG_VERSION=3.3.6","FDKAAC_VERSION=0.1.5","LAME_VERSION=3.99.5","LIBASS_VERSION=0.13.7","OGG_VERSION=1.3.2","OPENCOREAMR_VERSION=0.1.4","OPUS_VERSION=1.2","OPENJPEG_VERSION=2.1.2","THEORA_VERSION=1.1.1","VORBIS_VERSION=1.3.5","VPX_VERSION=1.7.0","X264_VERSION=20170226-2245-stable","X265_VERSION=2.3","XVID_VERSION=1.3.4","FREETYPE_VERSION=2.5.5","FRIBIDI_VERSION=0.19.7","FONTCONFIG_VERSION=2.12.4","LIBVIDSTAB_VERSION=1.1.0","KVAZAAR_VERSION=1.2.0","SRC=/usr/local","LD_LIBRARY_PATH=/usr/local/lib"],"Cmd":["startup.sh"],"Image":"9fc1df773d19","Volumes":{"/var/log/":{}},"WorkingDir":"/var/www/html","Entrypoint":["bash"],"OnBuild":null,"Labels":{}},"Image":"sha256:9fc1df773d198694f22f33c823ea8a05db78dcc7ea787ffafdc6ee95008bcbab","NetworkSettings":{"Bridge":"","SandboxID":"e32693eb6d1f685f8a77187c9f9713558d49248bc47ab6b8a97045ad37856a3e","HairpinMode":false,"LinkLocalIPv6Address":"","LinkLocalIPv6PrefixLen":0,"Networks":{"bridge":{"IPAMConfig":null,"Links":null,"Aliases":null,"NetworkID":"1dfe0ae53916827fbc1a6fe18387a7653f48cdc445b823cc3d42cce04a8ac242","EndpointID":"","Gateway":"","IPAddress":"","IPPrefixLen":0,"IPv6Gateway":"","GlobalIPv6Address":"","GlobalIPv6PrefixLen":0,"MacAddress":"","DriverOpts":null,"IPAMOperational":false}},"Service":null,"Ports":null,"SandboxKey":"/var/run/docker/netns/e32693eb6d1f","SecondaryIPAddresses":null,"SecondaryIPv6Addresses":null,"IsAnonymousEndpoint":true,"HasSwarmEndpoint":false},"LogPath":"/var/lib/docker/containers/16e5e9280bfea319c5094cddb4b2da71b6e461be824b119c32817e281d282f39/16e5e9280bfea319c5094cddb4b2da71b6e461be824b119c32817e281d282f39-json.log","Name":"/mystifying_kapitsa","Driver":"overlay","OS":"linux","MountLabel":"","ProcessLabel":"","RestartCount":0,"HasBeenStartedBefore":true,"HasBeenManuallyStopped":false,"MountPoints":{"/var/log":{"Source":"","Destination":"/var/log","RW":true,"Name":"5154e45a0f7d2fe5ce97d406f496474f9247e9413e4fc3ce076b59a45014c60c","Driver":"local","Type":"volume","Spec":{},"SkipMountpointCreation":false},"/var/www/demo":{"Source":"/var/www/demo","Destination":"/var/www/demo","RW":true,"Name":"","Driver":"","Type":"bind","Propagation":"rprivate","Spec":{"Type":"bind","Source":"/var/www/demo","Target":"/var/www/demo"},"SkipMountpointCreation":false},"/var/www/html":{"Source":"/var/www/html","Destination":"/var/www/html","RW":true,"Name":"","Driver":"","Type":"bind","Propagation":"rprivate","Spec":{"Type":"bind","Source":"/var/www/html","Target":"/var/www/html/"},"SkipMountpointCreation":false}},"SecretReferences":null,"ConfigReferences":null,"AppArmorProfile":"docker-default","HostnamePath":"/var/lib/docker/containers/16e5e9280bfea319c5094cddb4b2da71b6e461be824b119c32817e281d282f39/hostname","HostsPath":"/var/lib/docker/containers/16e5e9280bfea319c5094cddb4b2da71b6e461be824b119c32817e281d282f39/hosts","ShmPath":"","ResolvConfPath":"/var/lib/docker/containers/16e5e9280bfea319c5094cddb4b2da71b6e461be824b119c32817e281d282f39/resolv.conf","SeccompProfile":"","NoNewPrivileges":false}

我正在使用 Ubuntu 18.04.3 LTS

谢谢！

标签： dockerubuntu

解决方案

您需要在附加的映像、容器和卷的叠加层中找到启动脚本的位置。您将需要找到最后更改文件的最后一个版本（最后一层）并在那里进行修改。

但是，这不是由对 docker-engine 没有深入了解的人来完成的。

但是你不需要做所有这些事情只是为了进入一个停止+失败的容器。如果您需要访问容器，您可以做的是从容器创建图像

docker commit mystifying_kapitsa my_container:latest

获得图像后，您可以将其用作新图像的基础，或者您可以从图像创建新容器，如下所示：

docker exec -ti --name i_am_in my_container:latest /bin/bash

这将为您提供来自容器的图像内部的外壳，以及其中的所有数据mystifying_kapitsa。

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