3512b476b4
* Remove unnecessary environment variable setup The environment variables are not needed and are actually overriding the system PATH variable and were causing trouble in certain circumstances. * Make the user for the service dynamic * Cleans up leftover comment * Refine text to reflect the changes in the service * Revert change of the users home path
123 lines
4.7 KiB
Markdown
123 lines
4.7 KiB
Markdown
---
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layout: page
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title: "Autostart using systemd"
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description: "Instructions how to setup Home Assistant to launch on boot using systemd."
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date: 2015-9-1 22:57
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sidebar: true
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comments: false
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sharing: true
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footer: true
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redirect_from: /getting-started/autostart-systemd/
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---
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Newer linux distributions are trending towards using `systemd` for managing daemons. Typically, systems based on Fedora, ArchLinux, or Debian (8 or later) use `systemd`. This includes Ubuntu releases including and after 15.04, CentOS, and Red Hat. If you are unsure if your system is using `systemd`, you may check with the following command:
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```bash
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$ ps -p 1 -o comm=
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```
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If the preceding command returns the string `systemd`, you are likely using `systemd`.
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If you want Home Assistant to be launched automatically, an extra step is needed to setup `systemd`. A service file is needed to control Home Assistant with `systemd`. The template below should be created using a text editor. Note, root permissions via 'sudo' will likely be needed. The following should be noted to modify the template:
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+ `ExecStart` contains the path to `hass` and this may vary. Check with `whereis hass` for the location.
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+ If running Home Assistant in a python virtual environment or a docker, please skip to section below.
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+ For most systems, the file is `/etc/systemd/system/home-assistant@[your user].service` with [your user] replaced by the user account that Home Assistant will run as - normally `homeassistant`. For Ubuntu 16.04, the file is `/lib/systemd/system/home-assistant.service` and requires running this command `sudo ln -s /lib/systemd/system/home-assistant.service /etc/systemd/system/home-assistant.service` after file is created.
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+ If unfamiliar with command line text editors, `sudo nano -w [filename]` can be used with `[filename]` replaced with the full path to the file. Ex. `sudo nano -w /etc/systemd/system/home-assistant@homeassistant.service`. After text entered, press CTRL-X then press Y to save and exit.
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```
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[Unit]
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Description=Home Assistant
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After=network.target
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[Service]
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Type=simple
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User=%i
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ExecStart=/usr/bin/hass
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[Install]
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WantedBy=multi-user.target
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```
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If you've setup Home Assistant in `virtualenv` following our [python installation guide](https://home-assistant.io/getting-started/installation-virtualenv/) or [manual installation guide for raspberry pi](https://home-assistant.io/getting-started/installation-raspberry-pi/), the following template should work for you. If Home Assistant install is not located at `/srv/homeassistant`, please modify the `ExecStart=` line appropriately.
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```
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[Unit]
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Description=Home Assistant
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After=network.target
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[Service]
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Type=simple
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User=%i
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ExecStart=/srv/homeassistant/bin/hass -c "/home/homeassistant/.homeassistant"
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[Install]
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WantedBy=multi-user.target
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```
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If you want to use docker, the following template should work for you.
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```
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[Unit]
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Description=Home Assistant
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Requires=docker.service
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After=docker.service
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[Service]
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Restart=always
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RestartSec=3
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ExecStart=/usr/bin/docker run --name="home-assistant-%i" -v /home/%i/.homeassistant/:/config -v /etc/localtime:/etc/localtime:ro --net=host homeassistant/home-assistant
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ExecStop=/usr/bin/docker stop -t 2 home-assistant-%i
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ExecStopPost=/usr/bin/docker rm -f home-assistant-%i
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[Install]
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WantedBy=multi-user.target
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```
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You need to reload `systemd` to make the daemon aware of the new configuration.
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```bash
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$ sudo systemctl --system daemon-reload
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```
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To have Home Assistant start automatically at boot, enable the service.
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```bash
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$ sudo systemctl enable home-assistant@[your user]
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```
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To disable the automatic start, use this command.
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```bash
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$ sudo systemctl disable home-assistant@[your user]
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```
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To start Home Assistant now, use this command.
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```bash
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$ sudo systemctl start home-assistant@[your user]
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```
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You can also substitute the `start` above with `stop` to stop Home Assistant, `restart` to restart Home Assistant, and 'status' to see a brief status report as seen below.
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```bash
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$ sudo systemctl status home-assistant@[your user]
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● home-assistant@fab.service - Home Assistant for [your user]
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Loaded: loaded (/etc/systemd/system/home-assistant@[your user].service; enabled; vendor preset: disabled)
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Active: active (running) since Sat 2016-03-26 12:26:06 CET; 13min ago
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Main PID: 30422 (hass)
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CGroup: /system.slice/system-home\x2dassistant.slice/home-assistant@[your user].service
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├─30422 /usr/bin/python3 /usr/bin/hass
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└─30426 /usr/bin/python3 /usr/bin/hass
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[...]
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```
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To get Home Assistant's logging output, simple use `journalctl`.
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```bash
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$ sudo journalctl -f -u home-assistant@[your user]
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```
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Because the log can scroll quite quickly, you can select to view only the error lines:
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```bash
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$ sudo journalctl -f -u home-assistant@[your user] | grep -i 'error'
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```
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