Description

This is an example of a Service file, which is used to run a bash script located in our home location, in a detached screen session. We will be using Ubuntu as our distribution, the commands may differ for other distributions.

Where you see USERNAME, substitute this to your username being used to log into the system, e.g. bkdilse

Installation

Pre-requisites

These are all required before you proceed:

1. Basic Linux knowledge.
2. Bash script setup with the commands you want run.

Configure the Service

Let's configure our Service, by creating the contents in the ExampleService file, using nano as our editor:

sudo nano /etc/systemd/system/ExampleService.service

[Unit]
Description=Example Service
After=network-online.target

[Service]
LimitMEMLOCK=infinity
Type=forking
RemainAfterExit=yes
User=USERNAME
WorkingDirectory=/home/USERNAME
ExecStart=/usr/bin/screen -dmS TestScreen /home/USERNAME/ExampleBashScript 
KillMode=none

[Install]
WantedBy=multi-user.target

Let's grant execute permissions to our service, reload the content, and enable it:

sudo chmod 0755 /etc/systemd/system/ExampleService.service

sudo systemctl daemon-reload

sudo systemctl enable ExampleService