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beszel/supplemental/guides/systemd.md
2024-09-04 16:22:01 -04:00

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# Installing as a Linux systemd service
This is useful if you want to run the hub or agent in the background continuously, including after a reboot.
## Install script (recommended)
There are two scripts, one for the hub and one for the agent. You can run either one, or both.
The install script creates a dedicated user for the service (`beszel`), downloads the latest release, and installs the service.
If you need to edit the service -- for instance, to change an environment variable -- you can edit the file(s) in `/etc/systemd/system/`. Then reload the systemd daemon and restart the service.
> [!NOTE]
> You need system administrator privileges to run the install script. If you encounter a problem, please [open an issue](https://github.com/henrygd/beszel/issues/new).
### Hub
Download the script:
```bash
curl -sL https://raw.githubusercontent.com/henrygd/beszel/main/supplemental/scripts/install-hub.sh -o install-hub.sh && chmod +x install-hub.sh
```
#### Install
You may specify a port number with the `-p` flag. The default port is `8090`.
```bash
./install-hub.sh
```
#### Uninstall
```bash
./install-hub.sh -u
```
#### Update
```bash
sudo /opt/beszel/beszel update && sudo systemctl restart beszel-hub
```
### Agent
Download the script:
```bash
curl -sL https://raw.githubusercontent.com/henrygd/beszel/main/supplemental/scripts/install-agent.sh -o install-agent.sh && chmod +x install-agent.sh
```
#### Install
You may optionally include the SSH key and port as arguments. Run `./install-agent.sh -h` for more info.
If specifying your key with `-k`, please make sure to enclose it in quotes.
```bash
./install-agent.sh
```
#### Uninstall
```bash
./install-agent.sh -u
```
#### Update
```bash
sudo /opt/beszel-agent/beszel-agent update && sudo systemctl restart beszel-agent
```
## Manual install
### Hub
1. Create the system service at `/etc/systemd/system/beszel.service`
```bash
[Unit]
Description=Beszel Hub Service
After=network.target
[Service]
# update the values in the curly braces below (remove the braces)
ExecStart={/path/to/working/directory}/beszel serve
WorkingDirectory={/path/to/working/directory}
User={YOUR_USERNAME}
Restart=always
[Install]
WantedBy=multi-user.target
```
2. Start and enable the service to let it run after system boot
```bash
sudo systemctl daemon-reload
sudo systemctl enable beszel.service
sudo systemctl start beszel.service
```
### Agent
1. Create the system service at `/etc/systemd/system/beszel-agent.service`
```bash
[Unit]
Description=Beszel Agent Service
After=network.target
[Service]
# update the values in curly braces below (remove the braces)
Environment="PORT={PASTE_YOUR_PORT_HERE}"
Environment="KEY={PASTE_YOUR_KEY_HERE}"
# Environment="EXTRA_FILESYSTEMS={sdb}"
ExecStart={/path/to/directory}/beszel-agent
User={YOUR_USERNAME}
Restart=always
[Install]
WantedBy=multi-user.target
```
2. Start and enable the service to let it run after system boot
```bash
sudo systemctl daemon-reload
sudo systemctl enable beszel-agent.service
sudo systemctl start beszel-agent.service
```