Couldn't connect to Docker daemon at http+unix://

本文介绍了在Ubuntu 16.04环境下遇到的Docker连接问题及三种解决方案:使用sudo运行docker-compose、将用户添加到docker组、设置DOCKER_HOST环境变量。

环境

ubuntu 16.04

最近在使用Docker的时候遇到Couldn't connect to Docker daemon at http://localhost:4243 这一个问题

在Github上看到有几个解决办法

1. 在使用docker-compose时加上sudo
sudo docker-compose xxx
2. 将当前用户添加到docker用户组
sudo usermod -aG docker ${USER}
3. 设置DOCKER_HOST这一个环境变量
export DOCKER_HOST=tcp://localhost:4243

参考链接

Github

转载于:https://blog.51cto.com/skytina/2044757

[2025-03-12T14:50:19.279309100Z][com.docker.backend.exe.processes] querying pid 1292: could not get Name: Access is denied. [2025-03-12T14:50:19.288036600Z][com.docker.backend.exe.processes] querying pid 1352: could not get Name: Access is denied. [2025-03-12T14:50:19.292467700Z][com.docker.backend.exe.processes] querying pid 1424: could not get Name: Access is denied. [2025-03-12T14:50:19.295892200Z][com.docker.backend.exe.processes] querying pid 1432: could not get Name: Access is denied. [2025-03-12T14:50:19.299167700Z][com.docker.backend.exe.processes] querying pid 1440: could not get Name: Access is denied. [2025-03-12T14:50:19.307009000Z][com.docker.backend.exe.processes] querying pid 1512: could not get Name: Access is denied. [2025-03-12T14:50:19.310184200Z][com.docker.backend.exe.processes] querying pid 1660: could not get Name: Access is denied. [2025-03-12T14:50:19.313485200Z][com.docker.backend.exe.processes] querying pid 1684: could not get Name: Access is denied. [2025-03-12T14:50:19.318458200Z][com.docker.backend.exe.processes] querying pid 1688: could not get Name: Access is denied. [2025-03-12T14:50:19.321695500Z][com.docker.backend.exe.processes] querying pid 1712: could not get Name: Access is denied. [2025-03-12T14:50:19.324907200Z][com.docker.backend.exe.processes] querying pid 1800: could not get Name: Access is denied. [2025-03-12T14:50:19.327623400Z][com.docker.backend.exe.processes] querying pid 1836: could not get Name: Access is denied. [2025-03-12T14:50:19.335571300Z][com.docker.backend.exe.processes] querying pid 1960: could not get Name: Access is denied. [2025-03-12T14:50:19.338186600Z][com.docker.backend.exe.processes] querying pid 2008: could not get Name: Access is denied. [2025-03-12T14:50:19.341395400Z][com.docker.backend.exe.processes] querying pid 2016: could not get Name: Access is denied. [2025-03-12T14:50:19.344632700Z][com.docker.backend.exe.processes] querying pid 2024: could not get Name: Access is denied. [2025-03-12T14:5
03-14
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