使用systemd在操作系统上设置Docker守护程序的DNS [英] Setting DNS for Docker daemon on OS with systemd

查看:399
本文介绍了使用systemd在操作系统上设置Docker守护程序的DNS的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

Docker的默认DNS(例如8.8.8.8)在我工作时被阻止,因此我想更改默认值。我已经可以使用

The default DNS for Docker (e.g. 8.8.8.8) is blocked where I work, so I want to change the default. I've been able to do this using

$ docker daemon --dns <mydnsaddress>

但是我想使用systemd插件来代替,因为官方的Docker文档推荐这个办法。我已经制作了一个 /etc/systemd/system/docker.service.d/dns.conf 文件,并使用了这样的东西:

but I want to do this using a systemd drop-in instead, since the official Docker docs recommend this way. I've made a /etc/systemd/system/docker.service.d/dns.conf file, and used things like this:

[Service]
DNS=<mydnsaddress>

但我只是不知道变量名称应该是什么。如何设置?更重要的是,是否有一个页面记录了可以在Docker的systemd插件中使用的所有配置变量?

But I just have no idea what the variable name is supposed to be. How do I set this? More importantly, is there a page that documents all config variables that can be used in systemd drop-ins for Docker?

(btw,这是Ubuntu 15.10上的Docker 1.9,虽然我不怀疑任何错误)

(btw, this is Docker 1.9 on Ubuntu 15.10, although I don't suspect any bugs)

推荐答案

所有 .conf /etc/systemd/system/docker.service.d 中的文件会从 /usr/lib/systemd/system/docker.service中重新设置文件,这几乎是你尝试过的。

All .conf files in /etc/systemd/system/docker.service.d overrule the settings from the /usr/lib/systemd/system/docker.service file, which is almost what you tried.

而不是将 DNS = .. 行,您需要复制来自 /usr/lib/systemd/system/docker.service 文件中的ExecStart = 文件到 dns.conf (或 mydocker.conf )。在守护程序之后添加 - dns $ ip 部分 ExecStart 。例如:

Instead of putting a DNS=.. line in, you need to copy the ExecStart= part from the /usr/lib/systemd/system/docker.service file to dns.conf (or mydocker.conf). Add --dns $ip after the daemon part of the ExecStart. E.g.:

[Service]
ExecStart=
ExecStart=/usr/bin/docker daemon --dns 192.168.1.1 -H fd://

哪里 192.168.1.1 是dns服务器的ip。

Where the 192.168.1.1 is the ip of the dns server.

现在,通过systemctl和docker重新启动docker,现在应该用自己的dns重新启动。 (可以通过 systemctl status docker.service | grep dns )。

Now restart docker via systemctl and docker should now restart with your own dns. (Checkable via systemctl status docker.service | grep dns).

请注意,空 ExecStart = 是必需的,因为systemctl只会首先被清除为ExecStart。

Note that the empty ExecStart= is required, as systemctl only will overrule the ExecStart if it is cleared first.

另请注意,一个 / etc / systemd / system / 中编辑文件后,需要使用systemctl守护程序重新加载。

Also note that a systemctl daemon-reload is needed after editing files in /etc/systemd/system/.

最后一点是,在某些系统上, docker.service 不在 / usr / lib / systemd / system / ,但在 / lib / systemd / system /

Last remark is that on some systems docker.service is not located in /usr/lib/systemd/system/, but in /lib/systemd/system/.

这篇关于使用systemd在操作系统上设置Docker守护程序的DNS的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

查看全文
登录 关闭
扫码关注1秒登录
发送“验证码”获取 | 15天全站免登陆