bridgehead/docs/faq.md

Pitfalls

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@Patrick

• TODO: Docker Override when DNS Entry for Host is not existent

Git Proxy Configuration

Unlike most other tools, git doesn't use the default proxy variables "http_proxy" and "https_proxy". To make git use a proxy, you will need to adjust the global git configuration:

sudo git config --global http.proxy http://<your-proxy-host>:<your-proxy-port>;
sudo git config --global https.proxy http://<your-proxy-host>:<your-proxy-port>;

NOTE: Some proxies may require user and password authentication. You can adjust the settings like this: "http://:@:". NOTE: It is also possible that a proxy requires https protocol, so you can replace this to.

You can check that the updated configuration with

sudo git config --global --list;

Docker Daemon Proxy Configuration

Docker has a background daemon, responsible for downloading images and starting them. To configure the proxy for this daemon, use the systemctl command:

sudo systemctl edit docker

This will open your default editor allowing you to edit the docker system units configuration. Insert the following lines in the editor, replace and with the corresponding values for your machine and save the file:

[Service]
Environment=HTTP_PROXY=http://<your-proxy-host>:<your-proxy-port>
Environment=HTTPS_PROXY=http://<your-proxy-host>:<your-proxy-port>
Environment=FTP_PROXY=http://<your-proxy-host>:<your-proxy-port>

NOTE: Some proxies may require user and password authentication. You can adjust the settings like this: "http://:@:". NOTE: It is also possible that a proxy requires https protocol, so you can replace this to.

The file should now be at the location "/etc/systemd/system/docker.service.d/override.conf". You can proof check with

cat /etc/systemd/system/docker.service.d/override.conf;

To make the configuration effective, you need to tell systemd to reload the configuration and restart the docker service:

sudo systemctl daemon-reload;
sudo systemctl restart docker;