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* Setup mkdocs-redirects * Restructure existing documentation * Move client OS support into the documentation * Move existing Client OS support table into its own documentation page * Link from README.md to the rendered documentation * Document minimum Tailscale client version * Reuse CONTRIBUTING.md" in the documentation * Include "CONTRIBUTING.md" from the repository root * Update FAQ and index page and link to the contributing docs * Add configuration reference * Add a getting started page and explain the first steps with headscale * Use the existing "Using headscale" sections and combine them into a single getting started guide with a little bit more explanation. * Explain how to get help from the command line client. * Remove duplicated sections from existing installation guides * Document requirements and assumptions * Document packages provided by the community * Move deb install guide to official releases * Move manual install guide to official releases * Move container documentation to setup section * Move sealos documentation to cloud install page * Move OpenBSD docs to build from source * Simplify DNS documentation * Add sponsor page * Add releases page * Add features page * Add help page * Add upgrading page * Adjust mkdocs nav * Update wording Use the term headscale for the project, Headscale on the beginning of a sentence and `headscale` when refering to the CLI. * Welcome to headscale * Link to existing documentation in the FAQ * Remove the goal header and use the text as opener * Indent code block in OIDC * Make a few pages linter compatible Also update ignored files for prettier * Recommend HTTPS on port 443 Fixes: #2164 * Use hosts in acl documentation thx @efficacy38 for noticing this Ref: #1863 * Use mkdocs-macros to set headscale version once
99 lines
3.3 KiB
Markdown
99 lines
3.3 KiB
Markdown
# Controlling headscale with remote CLI
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This documentation has the goal of showing a user how-to set control a headscale instance
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from a remote machine with the `headscale` command line binary.
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## Prerequisite
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- A workstation to run headscale (could be Linux, macOS, other supported platforms)
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- A headscale server (version `0.13.0` or newer)
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- Access to create API keys (local access to the headscale server)
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- headscale _must_ be served over TLS/HTTPS
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- Remote access does _not_ support unencrypted traffic.
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- Port `50443` must be open in the firewall (or port overridden by `grpc_listen_addr` option)
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## Create an API key
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We need to create an API key to authenticate our remote headscale when using it from our workstation.
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To create a API key, log into your headscale server and generate a key:
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```shell
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headscale apikeys create --expiration 90d
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```
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Copy the output of the command and save it for later. Please note that you can not retrieve a key again,
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if the key is lost, expire the old one, and create a new key.
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To list the keys currently assosicated with the server:
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```shell
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headscale apikeys list
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```
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and to expire a key:
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```shell
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headscale apikeys expire --prefix "<PREFIX>"
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```
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## Download and configure headscale
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1. Download the latest [`headscale` binary from GitHub's release page](https://github.com/juanfont/headscale/releases):
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1. Put the binary somewhere in your `PATH`, e.g. `/usr/local/bin/headscale`
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1. Make `headscale` executable:
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```shell
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chmod +x /usr/local/bin/headscale
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```
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1. Configure the CLI through environment variables
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```shell
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export HEADSCALE_CLI_ADDRESS="<HEADSCALE ADDRESS>:<PORT>"
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export HEADSCALE_CLI_API_KEY="<API KEY FROM PREVIOUS STAGE>"
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```
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for example:
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```shell
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export HEADSCALE_CLI_ADDRESS="headscale.example.com:50443"
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export HEADSCALE_CLI_API_KEY="abcde12345"
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```
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This will tell the `headscale` binary to connect to a remote instance, instead of looking
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for a local instance (which is what it does on the server).
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The API key is needed to make sure that you are allowed to access the server. The key is _not_
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needed when running directly on the server, as the connection is local.
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1. Test the connection
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Let us run the headscale command to verify that we can connect by listing our nodes:
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```shell
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headscale nodes list
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```
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You should now be able to see a list of your nodes from your workstation, and you can
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now control the headscale server from your workstation.
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## Behind a proxy
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It is possible to run the gRPC remote endpoint behind a reverse proxy, like Nginx, and have it run on the _same_ port as headscale.
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While this is _not a supported_ feature, an example on how this can be set up on
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[NixOS is shown here](https://github.com/kradalby/dotfiles/blob/4489cdbb19cddfbfae82cd70448a38fde5a76711/machines/headscale.oracldn/headscale.nix#L61-L91).
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## Troubleshooting
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Checklist:
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- Make sure you have the _same_ headscale version on your server and workstation
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- Make sure you use version `0.13.0` or newer.
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- Verify that your TLS certificate is valid and trusted
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- If you do not have access to a trusted certificate (e.g. from Let's Encrypt), add your self signed certificate to the trust store of your OS or
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- Set `HEADSCALE_CLI_INSECURE` to 0 in your environment
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