How to restart Jenkins manually? – Stack Overflow
I’ve just started working with Jenkins and have run into a problem. After installing several plugins it said it needs to be restarted and went into a “shutting down” mode, but never restarts.
How do I do a manual restart?
asked Nov 9 ’11 at 22:32
Kerry JonesKerry Jones21. 5k11 gold badges58 silver badges87 bronze badges
3
To restart Jenkins manually, you can use either of the following commands (by entering their URL in a browser):
(jenkins_url)/safeRestart – Allows all running jobs to complete. New jobs will remain in the queue to run after the restart is complete.
(jenkins_url)/restart – Forces a restart without waiting for builds to complete.
rogerdpack53. 1k31 gold badges226 silver badges345 bronze badges
answered Nov 10 ’11 at 10:08
Željko FilipinŽeljko Filipin53. 9k28 gold badges92 silver badges124 bronze badges
16
If you installed as a rpm or deb, then service jenkins restart will work also.
KarSho5, 63413 gold badges41 silver badges77 bronze badges
answered Nov 17 ’11 at 15:34
0
On Ubuntu or Debian, when installed through apt-get/dpkg:
$ sudo /etc/init. d/jenkins restart
Usage: /etc/init. d/jenkins {start|stop|status|restart|force-reload}
answered Sep 14 ’12 at 13:36
Timo TijhofTimo Tijhof9, 7296 gold badges31 silver badges46 bronze badges
1
The SafeRestart Plugin needs to be mentioned. It is pretty useful (Restart Safely). It adds a link to be able to restart from the main menu:
answered May 27 ’15 at 7:24
2
The below commands worked for me in Red Hat Linux and should work for Ubuntu also.
To know the status of Jenkins:
sudo service jenkins status
To start the Jenkins:
sudo service jenkins start
To stop the Jenkins:
sudo service jenkins stop
To restart the Jenkins:
sudo service jenkins restart
Demo on command prompt:
[root@varunHome]# sudo service jenkins status
jenkins (pid 7468) is running…
[root@varunHome]# sudo service jenkins stop
Shutting down Jenkins [ OK]
[root@varunHome]# sudo service jenkins start
Starting Jenkins [ OK]
[root@varunHome]# sudo service jenkins restart
[root@varunHome]#
The folks who are using windows
Open Console/Command line –> Go to your Jenkins installation directory. Execute the following commands respectively:
To stop:
stop
To start:
start
To restart:
restart
answered Jul 2 ’15 at 9:13
VarunVarun5, 81018 gold badges74 silver badges112 bronze badges
On Windows, if you installed it as a service, go to Services (Start → Run:),
find Jenkins, right click → Restart.
If it does not help (UI is not responding) open the Windows Task Manager → Processes, kill the process, and restart the service once again.
answered Dec 5 ’12 at 13:32
ConstantineConstantine6597 silver badges5 bronze badges
If you’re running Jenkins on Mac OS X then you can manually stop the service by executing this command:
sudo launchctl unload /Library/LaunchDaemons/
answered Aug 6 ’14 at 13:16
JalalJalal3872 silver badges5 bronze badges
This can also be done using the Jenkins CLI:
java -jar -s [jenkins-server]/ restart
The file along with a full list of commands are available at [jenkins-server]/cli.
answered Mar 16 ’12 at 0:42
CiaranCiaran2, 1741 gold badge15 silver badges17 bronze badges
If you want to just reload the configuration file, one can do
This is quicker if you have made some small change in the configuration file, like directly in the file system or made copies of the job through the filesystem (not through the browser).
answered Dec 7 ’15 at 20:52
infocloggedinfoclogged2, 8792 gold badges24 silver badges46 bronze badges
It depends on how Jenkins has been started.
As a service: sudo service jenkins restart, sudo /etc/init. d/jenkins restart, etc.
As a web application in a Tomcat installation: restart your Tomcat, or just restart the application in Tomcat. Go to
Launched with just java -jar: kill it (kill -9
Launched with java -jar, but from a supervisor: supervisorctl restart jenkins
answered Feb 12 ’15 at 8:53
On Windows
Go to the Jenkins installation, open the cmd and run:
answered Jan 6 ’16 at 3:58
Monis MajeedMonis Majeed1, 24013 silver badges21 bronze badges
Use the command line interface:
java -jar -s -i /root/ safe-restart
answered Mar 21 ’13 at 18:28
domidcdomidc2313 silver badges7 bronze badges
You have many options to restart Jenkins manually, but mainly two (URL or command line):
Alternative 1: Using the Jenkins installation URL:
Jenkins_URL/restart.
Example:
This type of restart forces a restart without waiting for builds to complete.
If you need to wait for the jobs endings you can use:
Jenkins_URL/safeRestart.
Alternative 2: Using the command line, depending on your Jenkins installation.
If you’re installing using rpm or deb package or you have the Jenkins installation in Red Hat, Ubuntu, or Debian, you can use these commands:
This restart Jenkins in one step.
sudo service jenkins stop and sudo service jenkins start,
This restart Jenkins in two steeps.
Note: if you need to check the Jenkins status, you can use this command: sudo service jenkins status
If you are using CentOS, you can use this command:
sudo systemctl restart jenkins
Note: if you need to check the Jenkins status, you can use this command: sudo systemctl status Jenkins
answered Feb 12 ’18 at 14:02
Javier C. 6, 3174 gold badges35 silver badges47 bronze badges
Sometimes there will be some stale Jenkins processes, so ps -ef | grep jenkins kill all of them. Restart as described in previous answers, and it will be clean.
ps -ef | grep jenkins
sudo kill -kill
sharpsharp5973 gold badges11 silver badges21 bronze badges
If you are running Jenkins in FreeBSD(OS):
/usr/local/etc/rc. d/jenkins restart
answered Sep 29 ’12 at 5:37
Eric CopeEric Cope8471 gold badge12 silver badges24 bronze badges
If you are able to access it in a web browser, just add /restart, for example, localhost:8080/restart.
If you are running it as a service then log in to your server and execute the command:
sudo service jenkins stop/start
answered Apr 18 ’17 at 20:29
For Mac
Stop Jenkins
Start Jenkins
sudo launchctl load /Library/LaunchDaemons/
answered Feb 26 ’17 at 5:13
For restarting Jenkins manually using the browser:
Enter your nkins-ip/restart
(for example, localhost:8080/restart) in the browser. Jenkins will restart and load the login page automatically after restart.
answered Feb 27 ’17 at 11:48
JenkinURL/restart will do the restart.
answered Jul 23 ’14 at 20:42
SebinSebin771 bronze badge
From the terminal:
Or jenkinsurl/restart.
answered Dec 26 ’16 at 6:01
SidharthaSidhartha7782 gold badges15 silver badges32 bronze badges
Several people have mentioned the need to restart the servlet container if Jenkins is not running as a standalone. But Tomcat (or what is being used) doesn’t need to be restarted. Tomcat can force a restart of the Jenkins context if your Jenkins restart is hung.
But to address another comment, when you put Jenkins in the “shutting down” mode it will not actually shut down. It stops new jobs from executing and place a giant red banner on the system pages so everyone knows that the administrator wants to take it down eventually. There are plugins to trigger a servlet container restart for that context after all builds are completed.
The alternative is to wait till the last running job completes, then manually kick over Jenkins from the container (or via the command line options that others have mentioned for the standalone Jenkins install).
answered May 4 ’15 at 3:26
If it is deployed as a war file then restart the application server, for example, Tomcat.
answered Feb 23 ’12 at 23:04
For CentOS:
sudo systemctl status Jenkins
Jenkins will be active and up and running on some PID.
answered Aug 25 ’17 at 8:25
If it is in a Docker container, you can just restart your container. Let’s assume the container name is jenkins, so you can do:
docker restart jenkins
Or
docker stop jenkins
docker start jenkins
answered May 18 ’18 at 9:27
Youssouf MaigaYoussouf Maiga4, 5716 gold badges22 silver badges35 bronze badges
answered Jan 12 ’18 at 1:35
hoihoi1, 93817 silver badges21 bronze badges
Windows
Run and restart:
answered Jul 12 ’18 at 13:27
Tiago MediciTiago Medici1, 25815 silver badges16 bronze badges
Try the below. It worked for me.
It will give you PID of Jenkins. Now do a
kill -15 [PID]
answered Jan 25 ’14 at 7:53
Avinash AgrawalAvinash Agrawal8681 gold badge8 silver badges15 bronze badges
If you have no permissions or access to the command line directly, you can do e. g. one of the following:
Create a job with shell/batch step that will trigger a restart from the Jenkins installation folder
Install/update some plugin while checking “restart after installation” (at least this works in old versions)
Both above are hacks, but I actively used them in a very restricted environment where no one wanted me to restart Jenkins, huh.
answered Dec 1 ’17 at 8:45
TEH EMPRAHTEH EMPRAH1, 22813 silver badges29 bronze badges
If you are running Jenkins as a server on a Windows machine, then open Task Manager and switch to the service tab. Search for Jenkins and restart it.
answered Aug 2 ’17 at 6:39
If nothing works then find the Jenkins process by
ps aux | grep java
and then kill it:
kill -9 [PID]
Edit: Look for the java process which is related to jenkins
answered Jun 17 ’14 at 4:24
NeilNeil5, 42913 gold badges52 silver badges79 bronze badges
Not the answer you’re looking for? Browse other questions tagged jenkins or ask your own question.
How to restart Jenkins manually? – Stack Overflow
I’ve just started working with Jenkins and have run into a problem. After installing several plugins it said it needs to be restarted and went into a “shutting down” mode, but never restarts.
How do I do a manual restart?
asked Nov 9 ’11 at 22:32
Kerry JonesKerry Jones21. 5k11 gold badges58 silver badges87 bronze badges
3
To restart Jenkins manually, you can use either of the following commands (by entering their URL in a browser):
(jenkins_url)/safeRestart – Allows all running jobs to complete. New jobs will remain in the queue to run after the restart is complete.
(jenkins_url)/restart – Forces a restart without waiting for builds to complete.
rogerdpack53. 1k31 gold badges226 silver badges345 bronze badges
answered Nov 10 ’11 at 10:08
Željko FilipinŽeljko Filipin53. 9k28 gold badges92 silver badges124 bronze badges
16
If you installed as a rpm or deb, then service jenkins restart will work also.
KarSho5, 63413 gold badges41 silver badges77 bronze badges
answered Nov 17 ’11 at 15:34
0
On Ubuntu or Debian, when installed through apt-get/dpkg:
$ sudo /etc/init. d/jenkins restart
Usage: /etc/init. d/jenkins {start|stop|status|restart|force-reload}
answered Sep 14 ’12 at 13:36
Timo TijhofTimo Tijhof9, 7296 gold badges31 silver badges46 bronze badges
1
The SafeRestart Plugin needs to be mentioned. It is pretty useful (Restart Safely). It adds a link to be able to restart from the main menu:
answered May 27 ’15 at 7:24
2
The below commands worked for me in Red Hat Linux and should work for Ubuntu also.
To know the status of Jenkins:
sudo service jenkins status
To start the Jenkins:
sudo service jenkins start
To stop the Jenkins:
sudo service jenkins stop
To restart the Jenkins:
sudo service jenkins restart
Demo on command prompt:
[root@varunHome]# sudo service jenkins status
jenkins (pid 7468) is running…
[root@varunHome]# sudo service jenkins stop
Shutting down Jenkins [ OK]
[root@varunHome]# sudo service jenkins start
Starting Jenkins [ OK]
[root@varunHome]# sudo service jenkins restart
[root@varunHome]#
The folks who are using windows
Open Console/Command line –> Go to your Jenkins installation directory. Execute the following commands respectively:
To stop:
stop
To start:
start
To restart:
restart
answered Jul 2 ’15 at 9:13
VarunVarun5, 81018 gold badges74 silver badges112 bronze badges
On Windows, if you installed it as a service, go to Services (Start → Run:),
find Jenkins, right click → Restart.
If it does not help (UI is not responding) open the Windows Task Manager → Processes, kill the process, and restart the service once again.
answered Dec 5 ’12 at 13:32
ConstantineConstantine6597 silver badges5 bronze badges
If you’re running Jenkins on Mac OS X then you can manually stop the service by executing this command:
sudo launchctl unload /Library/LaunchDaemons/
answered Aug 6 ’14 at 13:16
JalalJalal3872 silver badges5 bronze badges
This can also be done using the Jenkins CLI:
java -jar -s [jenkins-server]/ restart
The file along with a full list of commands are available at [jenkins-server]/cli.
answered Mar 16 ’12 at 0:42
CiaranCiaran2, 1741 gold badge15 silver badges17 bronze badges
If you want to just reload the configuration file, one can do
This is quicker if you have made some small change in the configuration file, like directly in the file system or made copies of the job through the filesystem (not through the browser).
answered Dec 7 ’15 at 20:52
infocloggedinfoclogged2, 8792 gold badges24 silver badges46 bronze badges
It depends on how Jenkins has been started.
As a service: sudo service jenkins restart, sudo /etc/init. d/jenkins restart, etc.
As a web application in a Tomcat installation: restart your Tomcat, or just restart the application in Tomcat. Go to
Launched with just java -jar: kill it (kill -9
Launched with java -jar, but from a supervisor: supervisorctl restart jenkins
answered Feb 12 ’15 at 8:53
On Windows
Go to the Jenkins installation, open the cmd and run:
answered Jan 6 ’16 at 3:58
Monis MajeedMonis Majeed1, 24013 silver badges21 bronze badges
Use the command line interface:
java -jar -s -i /root/ safe-restart
answered Mar 21 ’13 at 18:28
domidcdomidc2313 silver badges7 bronze badges
You have many options to restart Jenkins manually, but mainly two (URL or command line):
Alternative 1: Using the Jenkins installation URL:
Jenkins_URL/restart.
Example:
This type of restart forces a restart without waiting for builds to complete.
If you need to wait for the jobs endings you can use:
Jenkins_URL/safeRestart.
Alternative 2: Using the command line, depending on your Jenkins installation.
If you’re installing using rpm or deb package or you have the Jenkins installation in Red Hat, Ubuntu, or Debian, you can use these commands:
This restart Jenkins in one step.
sudo service jenkins stop and sudo service jenkins start,
This restart Jenkins in two steeps.
Note: if you need to check the Jenkins status, you can use this command: sudo service jenkins status
If you are using CentOS, you can use this command:
sudo systemctl restart jenkins
Note: if you need to check the Jenkins status, you can use this command: sudo systemctl status Jenkins
answered Feb 12 ’18 at 14:02
Javier C. 6, 3174 gold badges35 silver badges47 bronze badges
Sometimes there will be some stale Jenkins processes, so ps -ef | grep jenkins kill all of them. Restart as described in previous answers, and it will be clean.
ps -ef | grep jenkins
sudo kill -kill
sharpsharp5973 gold badges11 silver badges21 bronze badges
If you are running Jenkins in FreeBSD(OS):
/usr/local/etc/rc. d/jenkins restart
answered Sep 29 ’12 at 5:37
Eric CopeEric Cope8471 gold badge12 silver badges24 bronze badges
If you are able to access it in a web browser, just add /restart, for example, localhost:8080/restart.
If you are running it as a service then log in to your server and execute the command:
sudo service jenkins stop/start
answered Apr 18 ’17 at 20:29
For Mac
Stop Jenkins
Start Jenkins
sudo launchctl load /Library/LaunchDaemons/
answered Feb 26 ’17 at 5:13
For restarting Jenkins manually using the browser:
Enter your nkins-ip/restart
(for example, localhost:8080/restart) in the browser. Jenkins will restart and load the login page automatically after restart.
answered Feb 27 ’17 at 11:48
JenkinURL/restart will do the restart.
answered Jul 23 ’14 at 20:42
SebinSebin771 bronze badge
From the terminal:
Or jenkinsurl/restart.
answered Dec 26 ’16 at 6:01
SidharthaSidhartha7782 gold badges15 silver badges32 bronze badges
Several people have mentioned the need to restart the servlet container if Jenkins is not running as a standalone. But Tomcat (or what is being used) doesn’t need to be restarted. Tomcat can force a restart of the Jenkins context if your Jenkins restart is hung.
But to address another comment, when you put Jenkins in the “shutting down” mode it will not actually shut down. It stops new jobs from executing and place a giant red banner on the system pages so everyone knows that the administrator wants to take it down eventually. There are plugins to trigger a servlet container restart for that context after all builds are completed.
The alternative is to wait till the last running job completes, then manually kick over Jenkins from the container (or via the command line options that others have mentioned for the standalone Jenkins install).
answered May 4 ’15 at 3:26
If it is deployed as a war file then restart the application server, for example, Tomcat.
answered Feb 23 ’12 at 23:04
For CentOS:
sudo systemctl status Jenkins
Jenkins will be active and up and running on some PID.
answered Aug 25 ’17 at 8:25
If it is in a Docker container, you can just restart your container. Let’s assume the container name is jenkins, so you can do:
docker restart jenkins
Or
docker stop jenkins
docker start jenkins
answered May 18 ’18 at 9:27
Youssouf MaigaYoussouf Maiga4, 5716 gold badges22 silver badges35 bronze badges
answered Jan 12 ’18 at 1:35
hoihoi1, 93817 silver badges21 bronze badges
Windows
Run and restart:
answered Jul 12 ’18 at 13:27
Tiago MediciTiago Medici1, 25815 silver badges16 bronze badges
Try the below. It worked for me.
It will give you PID of Jenkins. Now do a
kill -15 [PID]
answered Jan 25 ’14 at 7:53
Avinash AgrawalAvinash Agrawal8681 gold badge8 silver badges15 bronze badges
If you have no permissions or access to the command line directly, you can do e. g. one of the following:
Create a job with shell/batch step that will trigger a restart from the Jenkins installation folder
Install/update some plugin while checking “restart after installation” (at least this works in old versions)
Both above are hacks, but I actively used them in a very restricted environment where no one wanted me to restart Jenkins, huh.
answered Dec 1 ’17 at 8:45
TEH EMPRAHTEH EMPRAH1, 22813 silver badges29 bronze badges
If you are running Jenkins as a server on a Windows machine, then open Task Manager and switch to the service tab. Search for Jenkins and restart it.
answered Aug 2 ’17 at 6:39
If nothing works then find the Jenkins process by
ps aux | grep java
and then kill it:
kill -9 [PID]
Edit: Look for the java process which is related to jenkins
answered Jun 17 ’14 at 4:24
NeilNeil5, 42913 gold badges52 silver badges79 bronze badges
Not the answer you’re looking for? Browse other questions tagged jenkins or ask your own question.
Jenkins Interview Questions and Answer | Iteanz.com
Mention what is Jenkins?
Ans: Jenkins is an open source tool with plugin built for continuous integration purpose. The principle functionality ofJenkins is to keep a track of version control system and to initiate and monitor a build system if changes occur. It monitors the whole process and provides reports and notifications to alert.
Explain what is continuous integration?
Ans: In software development, when multiple developers or teams are working on different segments of same web application, we need to perform integration test by integrating all modules. In order to do that an automated process for each piece of code is performed on daily bases so that all your code get tested.
What is the requirement for using Jenkins?
Ans: To use Jenkins you require
A source code repository which is accessible, for instance, a Git repository
A working build script, e. g., a Maven script, checked into the repository
Mention what are the advantages of Jenkins?
Ans: Advantage of Jenkins include
At integration stage, build failures are cached
For each code commit changes an automatic build report notification generates
To notify developers about build report success or failure, it is integrated with LDAP mail server
Achieves continuous integration agile development and test driven development
With simple steps, maven release project is automated
Easy tracking of bugs at early stage in development environment than production
Explain how you can move or copy Jenkins from one server to another?
Ans:
Slide a job from one installation of Jenkins to another by copying the related job directory
Make a copy of an already existing job by making clone of a job directory by a different name
Renaming an existing job by renaming a directory.
Mention what are the commands you can use to start Jenkins manually?
Ans: To start Jenkins manually, you can use either of the following
(Jenkins_url)/restart: Forces a restart without waiting for builds to complete
(Jenkin_url)/safeRestart: Allows all running builds to complete
Mention some of the useful plugins in Jenkin?
Ans: Some of the important plugins in Jenkin includes
Maven 2 project
Amazon EC2
HTML publisher
Copy artifact
Join
Green Balls
Explain how you can deploy a custom build of a core plugin?
Ans: To deploy a custom field of a core plugin, you have to do following things
Stop Jenkins
Copy the custom HPI to $Jenkins_Home/plugins
Delete the previously expanded plugin directory
Make an empty file called
Explain how can create a backup and copy files in Jenkins?
Ans: Jenkins saves all the setting, build artifacts and logs in its home directory, to create a back-up of your Jenkins setup, just copy this directory. You can also copy a job directory to clone or replicate a job or rename the directory.
Explain how you can clone a Git repository via Jenkins?
Ans: To clone a Git repository via Jenkins, you have to enter the e-mail and user name for your Jenkins system. For that, you have to switch into your job directory and execute the “git config” command.
Explain how you can set up Jenkins job?
Ans: To create a project that is handled via jobs in Jenkins. Select New item from the menu, once this done enter a name for the job and select free-style job. Then click OK to create new job in Jenkins. The next page enables you to configure your job.
Mention what are the two components Jenkins is mainly integrated with?
Ans: Jenkin is mainly integrated with two components
Version Control system like GIT, SVN
And build tools like Apache Maven.
What is the difference between Maven, Ant and Jenkins?
The most basic difference is:
Maven and Ant are Build Technologies whereas Jenkins is a continuous integration tool.
Which SCM tools does Jenkins support?
Jenkins supports the following SCM tools:
AccuRev
CVS
Subversion
Git
Mercurial
Perforce
Clearcase
RTC
What is continuous integration in Jenkins?
In software development, multiple developers or teams work on different segments of same web application so you have to perform integration test by integrating all modules. In order to do that an automated process for each piece of code is performed on daily bases so that all your codes get tested. This process is known as continuous integration.
What is the relation between Hudson and Jenkins?
Hudson was the earlier name and version of current Jenkins. After some issue, the project name was changed from Hudson to Jenkins.
How to make sure that your project builds doesn? t break in Jenkins?
You must follow these steps to make sure that your project builds doesn? t break in Jenkins:
First, perform successful clean install on your local machine with all unit tests.
Check all your code changes.
Synchronize with repository to make sure that all required config and POM changes and any difference is checked into the repository.
How can you move or copy Jenkins from one server to another?
Follow these steps to move or copy Jenkins from one server to another:
First, copy the related job directory and slide a job from one installation of Jenkins to another.
Make a copy of an already existing job by making clone of a job directory by a different name.
Renaming an existing job by rename a directory.
Which commands can be used to start Jenkins manually?
You can use any one of the following commands to start Jenkins manually:
(Jenkins_url)/restart: Forces a restart without waiting for builds to complete.
(Jenkin_url)/safeRestart: Allows all running builds to complete.
What are the most useful plugins in Jenkins?
Some most useful plugins in Jenkins:
How to create a backup and copy files in Jenkins?
If you want to create a back-up of your Jenkins setup, just copy the directory that saves all the setting, build artifacts and logs of Jenkins in its home directory. You can also copy a job directory to clone or replicate a job or rename the directory.
How can you clone a Git repository via Jenkins?
If you want to clone a Git repository via Jenkins, you have to enter the e-mail and user name for your Jenkins system. Switch into your job directory and execute the “git config” command for that.
How can you setup Jenkins jobs?
Follow these steps:
Select new item from the menu.
After that enter a name for the job and select free-style job.
Then click OK to create new job in Jenkins.
The next page enables you to configure your job.
What are the two most important components jenkins is integrated with?
Jenkins is integrated with these two components main:Version Control System like SVN, GITBuild tools like Maven
What are the commands to start jenkins manually?
/restart: Force restart (will not wait for ongoing build to complete)/safeRestart: Wait for all builds to complete before restarting.
Frequently Asked Questions about restart jenkins
How do I restart Jenkins?
Go to the Jenkins installation, open the cmd and run:To stop: jenkins.exe stop.To start: jenkins.exe start.To restart: jenkins.exe restart.Nov 17, 2011
Which command is used to restart Jenkins manually?
You can use any one of the following commands to start Jenkins manually: (Jenkins_url)/restart: Forces a restart without waiting for builds to complete. (Jenkin_url)/safeRestart: Allows all running builds to complete.
How do I restart Jenkins in pod?
2 Answers. Just kubectl delete pods -l run=jenkins-ci – Will delete all pods with this label (your jenkins containers). Since they are under Deployment, it will re-create the containers. Network routing will be adjusted automatically (again because of the label selector).Mar 5, 2018