Unable to start Jenkins

Have changed the PORT as suggested in one of the earlier solutions but getting the below error -

thor@jump_host ~$ sudo cat /usr/lib/systemd/system/jenkins.service | grep -i Jenkins_port
Environment=“JENKINS_PORT=8090”

thor@jump_host ~$ systemctl status jenkins.service
Warning: The unit file, source configuration file or drop-ins of jenkins.service changed on disk. Run ‘systemctl daemon-reload’ to reload units.
● jenkins.service - Jenkins Continuous Integration Server
Loaded: loaded (/usr/lib/systemd/system/jenkins.service; enabled; vendor preset: disabled)
Active: activating (start) since Sat 2023-09-23 08:38:05 UTC; 9s ago
Main PID: 15981 (java)
Tasks: 141 (limit: 1340692)
Memory: 336.8M
CGroup: /docker/5f5ecb530c3fafec19f94dd3f405aad42392e4c60a81e7024c92b86f956b36fd/docker/5f5ecb530c3fafec19f94dd3f405aad42392e4c60a81e7024c92b86f956b36fd/system.slice/jenkins.service
└─15981 /usr/bin/java -Djava.awt.headless=true -jar /usr/share/java/jenkins.war --webroot=/var/cache/jenkins/war --httpPort=8090

Sep 23 08:38:05 jump_host.stratos.xfusioncorp.com systemd[1]: Starting Jenkins Continuous Integration Server…

thor@jump_host ~$ journalctl -xe
Sep 23 08:33:19 jump_host.stratos.xfusioncorp.com systemd[1]: systemd-journald.service: Failed to add fd to store: Operation not permitted