Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock

这个错误提示意味着在尝试连接到Docker引擎的Unix socket时，权限不足。默认情况下，只有root用户和docker组的用户才能访问Docker引擎的Unix socket。在Linux系统上，出于安全考虑，一般不会直接使用root用户。因此，解决这个问题的方法是将当前用户添加到docker组中。

具体步骤如下：
1. 打开终端，并输入以下命令：sudo gpasswd -a username docker（将普通用户username加入到docker组中，其中username可以直接替换为你的用户名）。
2. 输入命令newgrp docker，以更新docker组。
3. 然后再次尝试运行之前报错的命令，此时应该就不会再报错了。

通过以上步骤，你将能够将当前用户添加到docker组，从而解决连接Docker引擎时权限不足的问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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