How to install Jetty on CentOS 7

Now use the below command to download jetty package.

[root@linuxhelp ~]# wget http://central.maven.org/maven2/org/eclipse/jetty/jetty-distribution/9.2.21.v20170120/jetty-distribution-9.2.21.v20170120.tar.gz
--2017-04-01 02:58:17--  http://central.maven.org/maven2/org/eclipse/jetty/jetty-distribution/9.2.21.v20170120/jetty-distribution-9.2.21.v20170120.tar.gz
Resolving central.maven.org (central.maven.org)... 151.101.40.209
Connecting to central.maven.org (central.maven.org)|151.101.40.209|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 13743267 (13M) [application/x-gzip]
Saving to: ‘ jetty-distribution-9.2.21.v20170120.tar.gz’ 
100%[==========================================================================================================================================> ] 1,37,43,267 44.8KB/s   in 2m 41s
2017-04-01 03:00:58 (83.2 KB/s) - ‘ jetty-distribution-9.2.21.v20170120.tar.gz’  saved [13743267/13743267]

Next extract the tar package. Enter the ls command to list the files and then enter the tar package.

[root@linuxhelp ~]# ls
anaconda-ks.cfg  Desktop  Documents  Downloads  initial-setup-ks.cfg  jetty-distribution-9.2.21.v20170120.tar.gz  Music  Pictures  Public  Templates  Videos
[root@linuxhelp ~]# tar -xzvf jetty-distribution-9.2.21.v20170120.tar.gz -C /opt/
jetty-distribution-9.2.21.v20170120/
jetty-distribution-9.2.21.v20170120/webapps/
jetty-distribution-9.2.21.v20170120/etc/
jetty-distribution-9.2.21.v20170120/demo-base/
jetty-distribution-9.2.21.v20170120/demo-base/webapps/
jetty-distribution-9.2.21.v20170120/demo-base/webapps/ROOT/
jetty-distribution-9.2.21.v20170120/demo-base/webapps/ROOT/images/
jetty-distribution-9.2.21.v20170120/demo-base/webapps/test.d/
jetty-distribution-9.2.21.v20170120/demo-base/etc/
jetty-distribution-9.2.21.v20170120/demo-base/start.d/
.
.
.
jetty-distribution-9.2.21.v20170120/lib/jetty-quickstart-9.2.21.v20170120.jar
jetty-distribution-9.2.21.v20170120/lib/fcgi/fcgi-server-9.2.21.v20170120.jar
jetty-distribution-9.2.21.v20170120/lib/fcgi/fcgi-client-9.2.21.v20170120.jar
jetty-distribution-9.2.21.v20170120/notice.html
rename the extracted jetty directory inside /opt/

Then rename the the unzipped directory to jetty .

[root@linuxhelp ~]# cd /opt/
[root@linuxhelp opt]# ls
jetty-distribution-9.2.21.v20170120  rh
[root@linuxhelp opt]# mv jetty-distribution-9.2.21.v20170120 jetty
[root@linuxhelp opt]# ls
jetty  rh

Create the user for jetty and also change user and group ownership for /opt/jetty directory.

[root@linuxhelp ~]# useradd -m jetty
[root@linuxhelp ~]# chown -R jetty:jetty /opt/jetty/

Now create the following softlink for service.

[root@linuxhelp ~]# ln -s /opt/jetty/bin/jetty.sh /etc/init.d/jetty

Next enable jetty service in boot time automatically by using chkconfig command.

[root@linuxhelp ~]# chkconfig --add jetty
[root@linuxhelp ~]# chkconfig --level 345 jetty on

Create following configuration options.

[root@linuxhelp ~]# vim /etc/default/jetty
Entry:
JETTY_HOME=/opt/jetty
JETTY_USER=jetty
JETTY_PORT=8080
JETTY_HOST=192.168.5.160
JETTY_LOGS=/opt/jetty/logs/

The configuration options are added. Now start the service in the terminal.

[root@linuxhelp ~]# service jetty start
Starting Jetty: StartLog to /opt/jetty/logs/start.log
2017-04-01 03:07:46.385:INFO::main: Logging initialized @1616ms
2017-04-01 03:07:46.665:WARN:oejs.HomeBaseWarning:main: This instance of Jetty is not running from a separate {jetty.base} directory, this is not recommended.  See documentation at http://www.eclipse.org/jetty/documentation/current/startup.html
2017-04-01 03:07:46.963:INFO::main: Redirecting stderr/stdout to /opt/jetty/logs/2017_03_31.stderrout.log
OK Sat Apr  1 03:07:48 IST 2017

Change the current working directory to Jetty using the cd command.

[root@linuxhelp ~]# cd /opt/jetty/

The current working directory changes to jetty and enter the following command to remove the webapps.

[root@linuxhelp jetty]# rm -rf webapps/

Now copy the demo-base of the Jetty.

[root@linuxhelp jetty]# cp -r demo-base/webapps/ /opt/jetty/