Jenkins version: 2.332.1

Jenkins default port number: 8080

Modify the vim /etc/sysconfig/jenkins configuration file. Modify JENKINS_PORT="7777" :wq. Save the configuration, exit, and restart JenkinsCopy the code

D/Jenkins file start method is executed when service Jenkins start is executed

But ！！！！

If the system starts using systemctl

Systemctl Start Jenkins service Jenkins start

Need to modify the configuration file: / usr/lib/systemd/system/Jenkins. Service

Vim/usr/lib/systemd/system/Jenkins. Service Environment = "JENKINS_PORT = 7777" : wq save exit reload services: systemctl daemon - reloadCopy the code

Reboot Jenkins again:

Systemctl start Jenkins or service Jenkins startCopy the code

Jenkins can view ports in status