init script for deployment on linux machine

HI,
I have a web application which i start by the command :
java -jar start.jar jetty.http.port=8888 inside the directory /home/robinsu/tools/jetty
I need to build an initscript for this so that when the machine restarts my program is always running.
Please help me in building or guiding to build this initscript and where to place it ?

Thanks
Rohit BajajAsked:
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gheistCommented:
Build process is just typing.
Press A on text editor and A appears in text file.
Jan SpringerCommented:
What is the path of java-jar and which linux distribution and version?
Rohit BajajAuthor Commented:
i am running the command inside /root/jetty
This is CentOS 7 i have setup a virtualBox
Jan SpringerCommented:
Sorry forgot to ask, what user will this service run under?
Jan SpringerCommented:
Change the "user=jetty" to the actual username.

vi /usr/lib/systemd/system/jetty-http.service

In the file:

[Unit]
Description=jetty http server
After=network.target

[Service]
Type=simple
User=jetty
ExecStart=/root/jetty/java -jar start.jar jetty.http.port=8888
Restart=on-abort

[Install]
WantedBy=multi-user.target


Enable it:

sudo systemctl enable jetty-http.service


Start it:

# sudo systemctl start jetty-http


Check the status:

# sudo systemtcl status jetty-httpjetty-http.service

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