This video will show you how to start Jenkins server from the command prompt (CMD). It will also show you how to fix the error message localhost refused to connect. It explains how to fix the error message Hmmm... can't reach this page.
The command to start the server after changing to the directory where Jenkins is installed.
java -jar jenkins.war
![](https://i.ytimg.com/vi/8rMlb8Ner-A/mqdefault.jpg)