blocks|key|4498613|text|我已经寻找这个问题的答案有一段时间了。在stackoverflow上发布了这个问题后不久，我意识到在终端上输入docker在启动时给出的导出命令解决了我的问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4498614|To+connect+the+Docker+client+to+the+Docker+daemon,+please+set:
export+DOCKER_HOST=tcp://+some+IP+address
export+DOCKER_CERT_PATH=+some+file+path
export+DOCKER_TLS_VERIFY=1|code-block|syntax|javascript|4498615|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I had been searching for an answer to this for quite awhile. Shortly after posting the question on stackoverflow I realized typing in to the terminal the export commands docker gives on startup resolved my issue.

<pre><code>To connect the Docker client to the Docker daemon, please set:
export DOCKER_HOST=tcp:// some IP address
export DOCKER_CERT_PATH= some file path
export DOCKER_TLS_VERIFY=1
</code></pre>

blocks|key|4498666|text|你要找的是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4498667|eval+"$(docker-machine+env+-u)"|code-block|syntax|javascript|4498668|它将取消设置DOCKER_*变量。|offset|length|style|CODE|4498669|根据记录，下面是docker-machine+env+-u的输出|4498670|unset+DOCKER_TLS_VERIFY
unset+DOCKER_HOST
unset+DOCKER_CERT_PATH
unset+DOCKER_MACHINE_NAME|4498671|entityMap^0|0|0|6|8|0|8|L|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@$I|V|J|W|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|X|8|@$I|Y|J|Z|K|L]]|9|@]|A|$]]|$1|O|3|P|5|D|7|10|8|@]|9|@]|A|$E|F]]|$1|Q|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|R|$]]

What you are looking for is:

<pre><code>eval "$(docker-machine env -u)"
</code></pre>

It will unset the <code>DOCKER_*</code> variables.

For the record, here's the output of <code>docker-machine env -u</code>:

<pre><code>unset DOCKER_TLS_VERIFY
unset DOCKER_HOST
unset DOCKER_CERT_PATH
unset DOCKER_MACHINE_NAME
</code></pre>

blocks|key|4497751|text|我可以看出，这是一个老帖子，但如果其他人遇到这个问题，谁是像我一样的码头新手，这可以帮助。键入以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4497752|eval+$(docker-machine+env+nameOfVm)+|code-block|syntax|javascript|4497753|您正在将当前shell设置为在该docker计算机中使用docker。如果在active选项卡下键入docker-machine+ls，则可以检查该计算机的状态是否已从-+to+*更改。您还可以通过运行docker-machine+active来检查哪台计算机处于活动状态。|offset|length|style|CODE|4497754|如果你想撤销eval，只需运行：|4497755|eval+$(docker-machine+env+-u)|4497756|它将取消设置活动计算机的变量(您不必指定计算机的名称)。这些都是在macOS下实现的，但我认为在linux上也应该是一样的。你可以在这里阅读更多信息：Docker+documentation:+docker-machine+env|4497757|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.docker.com/machine/reference/env/^0|0|0|1E|H|2C|6|2T|L|0|0|0|23|14|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|12|8|@$I|13|J|14|K|L]|$I|15|J|16|K|L]|$I|17|J|18|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|19|8|@]|9|@]|A|$]]|$1|O|3|P|5|D|7|1A|8|@]|9|@]|A|$E|F]]|$1|Q|3|R|5|6|7|1B|8|@]|9|@$I|1C|J|1D|1|1E]]|A|$]]|$1|S|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]]]

I can see that this is an old post but if someone else runs into this issue, who is new to docker like me this can help. By typing:

<pre><code>eval $(docker-machine env nameOfVm) 
</code></pre>

you are setting your current shell to use docker in that docker-machine. You can check if you type <code>docker-machine ls</code> 
that under active tab, that status is changed from <code>- to *</code> for that machine. You can also check which machine is active by running <code>docker-machine active</code>.

If you want to undo eval, just run:

<pre><code>eval $(docker-machine env -u)
</code></pre>

and it will unset variables for active machine (You don't have to specify the name of the machine). This is all under macOS but I think it should be same on linux as well.
You can read more about this here:
<a href="https://docs.docker.com/machine/reference/env/" rel="nofollow noreferrer">Docker documentation: docker-machine env</a>

blocks|key|4497798|text|你也可以重启你的shell。这将删除minkube+docker-env导出的变量。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4497799|entityMap^0|I|I|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

You could also restart your shell. This will drop the variables that <code>minkube docker-env</code> exports.

I think that command redirected <code>$ docker</code> commands to the docker machine. Now all my docker commands are giving me an error <code>FATA[0000] Couldn't read ca cert...</code> follwed by the path to the docker-machine I created. How can I fix my shell?

How do I undo the command $ eval "$(docker-machine env blog)"

我认为该命令将$ docker命令重定向到docker机器。现在，我所有的docker命令都给了我一个错误FATA[0000] Couldn't read ca cert...，后面跟着我创建的docker机器的路径。我怎样才能修复我的shell？

问如何撤消命令$ eval "$(docker-machine env blog)“
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