Comments on: How to install and Configure Jenkins on CentOS 7 and RHEL 7

By: Minh minh

Minh minh — Wed, 18 Nov 2020 02:29:38 +0000

In reply to Mel.

You can try as follow:
WARNING: The gpg key use to sign our packages has been updated on 16th of April 2020, therefore you need to reimport it if you imported before this date.

sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
sudo rpm –import https://pkg.jenkins.io/redhat-stable/jenkins.io.key

By: Mel

Mel — Tue, 13 Oct 2020 04:39:31 +0000

In reply to Mez. Hi, Did you solve this issue, I too got same problem

By: Mez

Mez — Fri, 09 Oct 2020 00:19:37 +0000

I’m trying to install Jenkins on Redhat, but I get this output when I get to the step:

jenkins-2.249.2-1.1.noarch.rpm FAILED
‘http://pkg.jenkins.io/redhat-stable/jenkins-2.249.2-1.1.noarch.rpm’: [Errno 14] HTTPS Error 302 – Found] 0.0 B/s | 0 B –:–:– ETA
Trying other mirror.

Error downloading packages:
jenkins-2.249.2-1.1.noarch: [Errno 256] No more mirrors to try.

By: Soham Baijal

Soham Baijal — Mon, 27 Jan 2020 10:49:39 +0000

In reply to Pradeep Kumar. go to yum repository and make gpgcheck=0 rather than gpgcheck=1

By: Andy

Andy — Fri, 12 Apr 2019 11:26:19 +0000

Hey my friend,

Excellent article – really helped me.

One very minor thing, “Jenkins is free and open source continues integration tool…”, that continues ought to be continuous.

Thanks again.

By: Franck Gros-Dubois

Franck Gros-Dubois — Fri, 14 Dec 2018 02:58:14 +0000

hi, the best way to know which port Jenkins is running is to read the jenkins.service
If you install Jenkins by yourself, by downloading the war, you need to write it yourself.
If you use the yum install, then you need to find that file.
A find | grep should help you. you need to find this line :

path_to_your_java/java -jar path_to_jenkins.war/jenkins.war –httpPort=your_port

With a yum install this line will be with variables. You need to track it.
Then, you’ll know what is your port for Jenkins.

Regards,

By: Siddhesh_Khedekar

Siddhesh_Khedekar — Thu, 23 Aug 2018 11:44:02 +0000

Hi
I am facing same issue as Mohanish.
When I do : netstat -anp |grep 8080 , No output is coming.
However when I do : sudo service jenkins status, below output is coming –
jenkins.service – LSB: Jenkins Automation Server
Loaded: loaded (/etc/rc.d/init.d/jenkins; bad; vendor preset: disabled)
Active: active (exited) since Thu 2018-08-23 11:39:01 EDT; 1h 22min ago
Docs: man:systemd-sysv-generator(8)

Aug 23 11:39:00 l-156063904.wipro.com systemd[1]: Starting LSB: Jenkins Automation Server…
Aug 23 11:39:00 l-156063904.wipro.com runuser[1643]: pam_unix(runuser:session): session op…0)
Aug 23 11:39:01 l-156063904.wipro.com jenkins[1638]: Starting Jenkins Jenkins requires Jav…re
Aug 23 11:39:01 l-156063904.wipro.com jenkins[1638]: java.lang.UnsupportedClassVersionErro….0
Aug 23 11:39:01 l-156063904.wipro.com jenkins[1638]: at Main.main(Main.java:128)
Aug 23 11:39:01 l-156063904.wipro.com jenkins[1638]: [ OK ]
Aug 23 11:39:01 l-156063904.wipro.com systemd[1]: Started LSB: Jenkins Automation Server.

Any suggestions?

By: Siddhesh_Khedekar

Siddhesh_Khedekar — Thu, 23 Aug 2018 11:23:11 +0000

In reply to nafish shahzad. I have same issue as Mohanish. Tried Suggestions from Pradeep and Mohanish but no success. Any suggestions? I am working on Virtual box Centos7 image.

By: Vineeth

Vineeth — Tue, 20 Mar 2018 05:24:57 +0000

Very nice explanation!

By: nafish shahzad

nafish shahzad — Wed, 08 Nov 2017 12:31:33 +0000

check whether it is used by another process or not
netstat -anp |grep 8080