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I installed Jenkins on a Debian server and everything seems to have worked fine.

It says Jenkins is running and I am able to start and stop it using (/etc/init.d/jenkins start).

However I am unable to pull it up on a browser using any port for example 8080 or some other port as it says unable to connect.

What can I do to trouble shoot this further? I was thinking that the port may have been blocked but then I use to have another application that ran fine on port 8080 (since uninstalled)


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"It says Jenkins is running and I am unable to start and stop it using (/etc/init.d/jenkins start)." Is that an typo, and you are able to start it, or is there an error message when you try? – Andrew Schleifer Apr 28 '12 at 23:53
oops that was a type. fixing it. Thanks – kratos Apr 29 '12 at 0:39
up vote 1 down vote accepted

Jenkins is probably configured to listen on by default, instead of your public interface. To check this, run: netstat -anp | grep 8080'. If the line that comes up shows you need to adjust the address Jenkins listens on. You can find more info on that at

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nothing shows up when I try that line – kratos Apr 29 '12 at 0:41
Are you sure Jenkins is even running? ps aux | grep -i java or 'netstat -anp | grep -i java`. Make sure you are running these commands as root. – devicenull Apr 29 '12 at 1:09
root 17787 0.0 0.0 7672 888 pts/0 S+ 02:25 0:00 grep -i java – kratos Apr 29 '12 at 2:26

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