Docker启动失败问题解决：Job for docker.service failed because the cont
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一、场景
在搭建Harbor镜像堆栈的时间配置insecure-registries参数，需要重启容器，然后重启失败了
二、报错
docker启动命令启动失败
systemctl start docker
报错如下
Job for docker.service failed because the control process exited with error code.
See "systemctl status docker
.service" and "journalctl -xe" for details.
三、分析
1. Docker状态查看
利用命令查看docker状态
systemctl status docker
输出主状态如下，似乎也看不出是什么缘故原由
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2024-01-30 21:14:36 CST; 12h ago
Docs: https://docs.docker.com
Process: 4110 ExecStart=/usr/bin/dockerd
-H fd:// --containerd=/run/containerd/containerd.sock (code=exited, status=1/FAILURE)
Main PID: 4110 (code=exited, status=1/FAILURE)
Jan 30 21:14:36 k8s-master systemd: docker.service: Service RestartSec=2s expired, scheduling restart.
Jan 30 21:14:36 k8s-master systemd: docker.service: Scheduled restart job, restart counter is at 3.
Jan 30 21:14:36 k8s-master systemd: Stopped Docker Application Container Engine.
Jan 30 21:14:36 k8s-master systemd: docker.service: Start request repeated too quickly.
Jan 30 21:14:36 k8s-master systemd: docker.service: Failed with result 'exit-code'.
Jan 30 21:14:36 k8s-master systemd: Failed to start Docker Application Container Engine.
截图
https://img-blog.csdnimg.cn/direct/0a9e04feba324addb460b9ce29afc8e7.png
2. 体系日记查看
然后还可以利用查看体系整体的末了两百行日记
tail -200f /var/log/messages
可能内容多且拥挤以是没找到缘故原由
https://img-blog.csdnimg.cn/direct/cf0e93b717c04005baa289c649574930.png
3. Dockerd查看
利用dockerd
命令查看问题
dockerd
输出如下，这个命令似乎能看出一些端倪，感谢某博主的这个dockerd
命令，大家可根据输出内容百度查找适合自己的解决方法
unable to configure the Docker daemon with file /etc/docker/daemon.json: the following directives don't match any configuration option: insecure-registies
前半段主要缘故原由：unable to configure the Docker daemon with file /etc/docker/daemon.json:
大概意思就是说无法利用daemon.json文件配置docker的保卫进程，就是这个json文件的问题
后半段具体缘故原由：the following directives don't match any configuration option: insecure-registies
意思是由于重定向访问无法匹配配置参数insecure-registies，就是这个参数的问题
我的daemon.json文件内容如下：
https://img-blog.csdnimg.cn/direct/86c8f0cc58ba4a07912432e9b7920c5d.png
到这里应该英文好的施主都能知道问题出在那里了，我英语差且手残，英文单词registies是错误写法，精确的是registries
如果你跟我这个内容不一样，也是可以参考下面的解决方法
四、解决
1. 键值查抄
本篇问题出现在键的单词写错了
正常daemon.json文件的内容是必须符合json格式要求的，且键值一一对应
键一样平常都是固定的写法，值则根据自己的情况填入
我将insecure-registies修改为精确的insecure-registries
重启docker即解决了这个报错
2. 格式查抄
如果你的问题是json文件的问题，但后面写的不是参数问题，键值无误，可查抄一下json格式是否精确
将内容复制后粘贴到在线json格式查抄网站上查抄一下
如果格式错了可修正后重启docker
3. 删除或修改daemon.json文件
如果上面以及网上其他方法都不能解决问题，终极的方法就是这个了，条件是该文件的配置没有了也不会影响你docker的利用
但像我如许在k8s集群中利用的话，内里配置了k8s相干的参数，没有这个文件会影响k8s，就无法利用这个方式解决
方法如下
直接删除daemon.json，命令如下，但不建议如许做
rm -f /etc/docker/daemon.json
为了后续还能改返来利用，可以修改格式使其失效
将daemon.json修改为daemon.text，等同于删除daemon.json
mv /ect/docker/daemon.json /etc/docker/daemon.text
4. 启动Docker
末了重新启动docker
systemctl restart docker
5. 查看Docker
systemctl status docker
https://img-blog.csdnimg.cn/direct/3abbe675177c44a2a050e93d0d99d0da.png
五、演示
完备操纵代码
# systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2024-01-30 21:14:36 CST; 12h ago
Docs: https://docs.docker.com
Process: 4110 ExecStart=/usr/bin/dockerd
-H fd:// --containerd=/run/containerd/containerd.sock (code=exited, status=1/FAILURE)
Main PID: 4110 (code=exited, status=1/FAILURE)
Jan 30 21:14:36 k8s-master systemd: docker.service: Service RestartSec=2s expired, scheduling restart.
Jan 30 21:14:36 k8s-master systemd: docker.service: Scheduled restart job, restart counter is at 3.
Jan 30 21:14:36 k8s-master systemd: Stopped Docker Application Container Engine.
Jan 30 21:14:36 k8s-master systemd: docker.service: Start request repeated too quickly.
Jan 30 21:14:36 k8s-master systemd: docker.service: Failed with result 'exit-code'.
Jan 30 21:14:36 k8s-master systemd: Failed to start Docker Application Container Engine.
# systemctl start docker
Job for docker.service failed because the control process exited with error code.
See "systemctl status docker
.service" and "journalctl -xe" for details.
# dockerd
unable to configure the Docker daemon with file /etc/docker/daemon.json: the following directives don't match any configuration option: insecure-registies
# vim /etc/docker/daemon.json# systemctl restart docker
# # ● docker.service - Docker Application Container Engine Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2024-01-31 11:26:43 CST; 14s ago Docs: https://docs.docker.com Main PID: 88041 (dockerd
) Tasks: 65 Memory: 66.0M CGroup: /system.slice/docker.service ├─88041 /usr/bin/dockerd
-H fd:// --containerd=/run/containerd/containerd.sock └─88397 /usr/bin/docker-proxy -proto tcp -host-ip 127.0.0.1 -host-port 1514 -container-ip 172.18.0.8 -container-port 10514Jan 31 11:26:43 k8s-master dockerd
: time="2024-01-31T11:26:43.379781201+08:00" level=warning msg="Not using native diff for overlay2, this may cause degraded performance for building images: kernel has CONFIG_OVERLAY_FS_REDIRECT_DIR enabled" storage-dr>Jan 31 11:26:43 k8s-master dockerd
: time="2024-01-31T11:26:43.379956960+08:00" level=info msg="Docker daemon" commit=311b9ff graphdriver=overlay2 version=24.0.7Jan 31 11:26:43 k8s-master dockerd
: time="2024-01-31T11:26:43.380043382+08:00" level=info msg="Daemon has completed initialization"Jan 31 11:26:43 k8s-master dockerd
: time="2024-01-31T11:26:43.397548197+08:00" level=info msg="API listen on /run/docker.sock"Jan 31 11:26:43 k8s-master systemd: Started Docker Application Container Engine.Jan 31 11:26:56 k8s-master dockerd
: time="2024-01-31T11:26:56.574003576+08:00" level=info msg="ignoring event" container=7d0a423251a913898a85a68efb08ef6a8cd9b02ac614716f8b5041bb18b99125 module=libcontainerd namespace=moby topic=/tasks/delete type="*eve>Jan 31 11:26:57 k8s-master dockerd
: time="2024-01-31T11:26:57.145364576+08:00" level=info msg="ignoring event" container=56936178be55a27b8daa16f0113c167c15a3a95f79ce4f58aef5b2aabb89b458 module=libcontainerd namespace=moby topic=/tasks/delete type="*eve>Jan 31 11:26:57 k8s-master dockerd
: time="2024-01-31T11:26:57.282343246+08:00" level=info msg="ignoring event" container=6c8f765580a054d69eac07e2f79dbb33a49165580ae0e542a33d1e0e1e9d38ff module=libcontainerd namespace=moby topic=/tasks/delete type="*eve>Jan 31 11:26:57 k8s-master dockerd
: time="2024-01-31T11:26:57.447774687+08:00" level=info msg="ignoring event" container=a42115d28e2f7998274f38b0b6235b489beb43adcbca516e6ba964c93d23dada module=libcontainerd namespace=moby topic=/tasks/delete type="*eve>Jan 31 11:26:57 k8s-master dockerd
: time="2024-01-31T11:26:57.709667843+08:00" level=info msg="ignoring event" container=227806f882531c7b6619dd63a8c16fd29aaf3e3e229c6d10840966bc4b5175c1 module=libcontainerd namespace=moby topic=/tasks/delete type="*eve> 感谢阅读，祝君暴富！
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