Uninstall jenkins in Ubuntu

[Gocool Geek]

Hi folks,

 Sorry if this sound silly, but I am stuck hence wanted to know the answer.

 I forgot my admin password and I am the only admin in the jenkins, hence I wanted to re-install and start from scratch.

 I removed the physical directory where jenkins is in - under tomcat webapps. I pushed a new war file into webapps and restarted the server.

 Now when I access jenkins - the new one, it still takes me to the login screen. I was assuming it should be starting from scratch and should not ask for log-in.

 Please let me know how I can solve this issue?

Thanks,
G

[Vivekanand S V]

Have you checked this https://wiki.jenkins-ci.org/display/JENKINS/Disable+security ?

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[Go Cool]

Hi,

 I was unable to find the config.xml. I am using version 1.530. In the jenkins home, I just have the following  -

drwxr-xr-x  9 root root   4096 Sep 16 05:48 .
drwxr-xr-x  6 root root   4096 Sep 16 05:48 images
drwxr-xr-x  7 root root   4096 Sep 16 05:48 WEB-INF
drwxr-xr-x  3 root root   4096 Sep 16 05:48 scripts
drwxr-xr-x  2 root root   4096 Sep 16 05:48 executable
drwxr-xr-x  2 root root   4096 Sep 16 05:48 css
drwxr-xr-x 15 root root   4096 Sep 16 05:48 help
drwxr-xr-x  3 root root   4096 Sep 16 05:48 META-INF
drwxr-xr-x  8 root root   4096 Sep 16 05:48 ..
-rw-r--r--  1 root root 363051 Aug 26 21:04 winstone.jar
-rw-r--r--  1 root root   1544 Aug 26 21:01 dc-license.txt
-rw-r--r--  1 root root  17542 Aug 26 21:01 favicon.ico
-rw-r--r--  1 root root     71 Aug 26 21:01 robots.txt
-rw-r--r--  1 root root   2824 Mar  6  2013 ColorFormatter.class
-rw-r--r--  1 root root   1845 Mar  6  2013 JNLPMain.class
-rw-r--r--  1 root root    788 Mar  6  2013 LogFileOutputStream$1.class
-rw-r--r--  1 root root    586 Mar  6  2013 LogFileOutputStream$2.class
-rw-r--r--  1 root root   2197 Mar  6  2013 LogFileOutputStream.class
-rw-r--r--  1 root root  19503 Mar  6  2013 Main.class
-rw-r--r--  1 root root   1049 Mar  6  2013 MainDialog$1$1.class
-rw-r--r--  1 root root   1123 Mar  6  2013 MainDialog$1.class
-rw-r--r--  1 root root   2424 Mar  6  2013 MainDialog.class
-rw-r--r--  1 root root    512 Mar  6  2013 Main$FileAndDescription.class

Thanks,
G

[Richard Bywater]

Have you seen https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Ubuntu ?

Assuming you installed it that way, it would be better to remove it via package management rather than manually deleting files - this should then clean things up.

Richard.

[Gocol Dev]

Hi Richard

 Sorry for posting it in the dev.

I did not use the sudo-apt get way of doing it, I just downloaded the war and I am copying it inside my tomcat webapps. And for removing it, I just did a rm -Rf of the folder.

Thanks,

G

[Richard Bywater]

I'm guessing the config file mentioned will most likely be whatever has been set as the Jenkins home using the CATALINA_OPTS variable as per https://wiki.jenkins-ci.org/display/JENKINS/Tomcat - I'm assuming you've set that. If you haven't I'm not sure what the default is so someone will have to pipe in here...

Richard.

[Gocol Dev]

No, actually I did not set it up :(

And, I assume it is defaulted to some location which  I am not able to find and that is why re-installs still remember and ask for log-in.

I just tried adding the CATALINA_OPTS and JENKINS_HOME now, but it is of no use - I guess I have to know the default path or do something for it to forget the config and then the config.xml might be added in the path specified by CATALINA_OPTS or JENKINS_HOME...

So just keeping it open to find some help. Thanks again for your time.

[Richard Bywater]

It might take a while, but try:

find / -name config.xml

and see what comes up. You'll need to be root to get the best results.

Richard.

[Gocol Dev]

Thanks Richard, I was looking at finding it too..

So here are the findings...

The default location is /root/.jenkins

and the config.xml is created per user eg:

/root/.jenkins/tom/config.xml

/root/.jenkins/gocool/config.xml

tom and gocool are jenkins user id's.

Once I deleted the /root/.jenkins all were fine and it is working fine.

Thanks again for all your time.

[Gocol Dev]

And there is also

/root/.jenkins/config.xml

/root/.jenkins/{{jenkins-user-id}}/config.xml

I missed mentioning the /root/.jenkins/config.xml in previous email