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Move systemd service to install folder.

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David Mc Ken
2022-12-08 20:34:29 -04:00
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***
**WARNING**
This just uses the development server for testing purposes. For production environments you should probably go with a more robust solution, like [gunicorn](web-server/Running-PowerDNS-Admin-with-Systemd,-Gunicorn--and--Nginx.md) or a WSGI server.
***
### Following example shows a systemd unit file that can run PowerDNS-Admin
You shouldn't run PowerDNS-Admin as _root_, so let's start of with the user/group creation that will later run PowerDNS-Admin:
Create a new group for PowerDNS-Admin:
> sudo groupadd powerdnsadmin
Create a user for PowerDNS-Admin:
> sudo useradd --system -g powerdnsadmin powerdnsadmin
_`--system` creates a user without login-shell and password, suitable for running system services._
Create new systemd service file:
> sudo vim /etc/systemd/system/powerdns-admin.service
General example:
```
[Unit]
Description=PowerDNS-Admin
After=network.target
[Service]
Type=simple
User=powerdnsadmin
Group=powerdnsadmin
ExecStart=/opt/web/powerdns-admin/flask/bin/python ./run.py
WorkingDirectory=/opt/web/powerdns-admin
Restart=always
[Install]
WantedBy=multi-user.target
```
Debian example:
```
[Unit]
Description=PowerDNS-Admin
After=network.target
[Service]
Type=simple
User=powerdnsadmin
Group=powerdnsadmin
Environment=PATH=/opt/web/powerdns-admin/flask/bin
ExecStart=/opt/web/powerdns-admin/flask/bin/python /opt/web/powerdns-admin/run.py
WorkingDirectory=/opt/web/powerdns-admin
Restart=always
[Install]
WantedBy=multi-user.target
```
Before starting the service, we need to make sure that the new user can work on the files in the PowerDNS-Admin folder:
> chown -R powerdnsadmin:powerdnsadmin /opt/web/powerdns-admin
After saving the file, we need to reload the systemd daemon:
> sudo systemctl daemon-reload
We can now try to start the service:
> sudo systemctl start powerdns-admin
If you would like to start PowerDNS-Admin automagically at startup enable the service:
> systemctl enable powerdns-admin
Should the service not be up by now, consult your syslog. Generally this will be a file permission issue, or python not finding it's modules. See the Debian unit example to see how you can use systemd in a python `virtualenv`