Docker创建容器后无法update更新以及Job for docker.service failed because the control……错误

Job for docker.service failed because the control……错误在文章末尾处。

首先这是我出现的问题

root@40b82f229080:~# apt-get update 
Err:1 http://deb.debian.org/debian buster InRelease                  
  Temporary failure resolving 'deb.debian.org'
Err:2 http://security.debian.org/debian-security buster/updates InRelease
  Temporary failure resolving 'security.debian.org'
Err:3 http://deb.debian.org/debian buster-updates InRelease          
  Temporary failure resolving 'deb.debian.org'
Reading package lists... Done    
W: Failed to fetch http://deb.debian.org/debian/dists/buster/InRelease  Temporary failure resolving 'deb.debian.org'
W: Failed to fetch http://security.debian.org/debian-security/dists/buster/updates/InRelease  Temporary failure resolving 'security.debian.org'
W: Failed to fetch http://deb.debian.org/debian/dists/buster-updates/InRelease  Temporary failure resolving 'deb.debian.org'
W: Some index files failed to download. They have been ignored, or old ones used instead.

出现这个问题，大概率是DNS解析的问题，需要指定下dns

vim /etc/docker/daemon.json
{
    "dns": ["114.114.114.114","8.8.8.8"]
}

我是单独添加的，所以这个文件的格式是这个样子的，不知对不对，反正能用就对了

[root@localhost ~]# cat /etc/docker/daemon.json
{
"registry-mirrors":["https://sri78v3x.mirror.aliyuncs.com"]
}
{
    "dns": ["114.114.114.114","8.8.8.8"]
}

可以选择重启下docker服务 systemctl restart docker

现在我们再进去看一下

[root@localhost ~]# docker exec -it nginx1 /bin/bash
root@40b82f229080:/# apt-get install vim
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  libgpm2 vim-common vim-runtime xxd
Suggested packages:
  gpm ctags vim-doc vim-scripts
The following NEW packages will be installed:
  libgpm2 vim vim-common vim-runtime xxd
0 upgraded, 5 newly installed, 0 to remove and 0 not upgraded.
Need to get 7425 kB of archives.
After this operation, 33.8 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://deb.debian.org/debian buster/main amd64 xxd amd64 2:8.1.0875-5 [140 kB]
Get:2 http://deb.debian.org/debian buster/main amd64 vim-common all 2:8.1.0875-5 [195 kB]
Get:3 http://deb.debian.org/debian buster/main amd64 libgpm2 amd64 1.20.7-5 [35.1 kB]     
Get:4 http://deb.debian.org/debian buster/main amd64 vim-runtime all 2:8.1.0875-5 [5775 kB]
22% [4 vim-runtime 516 kB/5775 kB 9%]

OK，已经结局了

----------------------------------华丽的分割线---------------------------
2020.0923更

还有种情况，就是需要更换下apt源，否则执行update很慢

mv /etc/apt/sources.list /etc/apt/sources.list.bak

cat <<EOF >/etc/apt/sources.list
deb http://mirrors.ustc.edu.cn/debian stable main contrib non-free
deb http://mirrors.ustc.edu.cn/debian stable-updates main contrib non-free
EOF

这个是目前我找到的可以正确更新的两个地址，来自于中国科技大学开源镜像站，摘出来两个能用的网址，大家可以试试。

下面这个是清华大学开源镜像站找到的不过我的没法用，可能是我复制粘贴的姿势不对……
所以我还是用的上面的，亲测是可用的。

# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse

+++++++++++++++++++简洁的分割线+++++++++++++++++++++++

还有一种方法是这样，不过我还没来得及测试：

以163 源为例，在容器内创建 etc/apνsources.list.d/163.list 文件：

cat <<EOF >/etc/apt/sources.list
deb http: //mirrors.163.com/ubuntu / bionic main restricted universe multiverse 
deb http: //mirrors 163.cαn/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse 
deb http://mirrors.163.cαn/ubuntu/ bionic proposed main restricted universe multiverse 
deb-src http://mirrors.163.cαn/ubuntu/ bionic main restricted verse mult verse
deb-src http //mirrors.163.com/ubuntu/ bionic-security mai restricted universe mul tiverse 
deb-src http://mirrors.163.com/ubuntu/ bionic updates main restricted universe multiverse 
deb-src http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse 
EOF

+++++++++++++++++++简洁的分割线+++++++++++++++++++++++

Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.

这个错误，网上有说什么内核问题啊，虚拟化问题啊，至少在我这里不是，我翻看了下日志，原来是因为/etc/docker/daemon.json文件格式错误了。导致docker服务起不来了，所以回去看看这个文件，十有八九是格式错误了。

__EOF__

本文作者：Burukku
本文链接：https://www.cnblogs.com/yuan9910/p/13784589.html
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