How to restart Jenkins manually

Question

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

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Try the below  It worked for me   sudo service jenkins status     It will give you PID of Jenkins  Now do a   kill -15  PID   sudo service jenkins start

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On Windows  if you installed it as a service  go to Services  Start   Run  services msc   find Jenkins  right click   Restart   If it does not help  UI is not responding  open the Windows Task Manager   Processes  kill the java exe process  and restart the service once again

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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

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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

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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

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If you installed as a rpm or deb  then service jenkins restart will work also

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For CentOS   sudo systemctl restart jenkins  sudo systemctl status Jenkins   Jenkins will be active and up and running on some PID

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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 Shutting down Jenkins                  OK     Starting Jenkins                       OK     root varunHome     The folks who are using windows  Open Console Command line --  Go to your Jenkins installation directory  Execute the following commands respectively    x000D   x000D  To stop  x000D  jenkins exe stop x000D   x000D  To start  x000D  jenkins exe start x000D   x000D  To restart  x000D  jenkins exe restart x000D   x000D   x000D

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If you want to just reload the configuration file  one can do        lt jenkins url gt  reload   This is quicker if you have made some small change in the configuration file  like config xml directly in the file system or made copies of the job through the filesystem  not through the browser

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If it is deployed as a war file then restart the application server  for example  Tomcat

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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  http   jenkinsserver com restart   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       Example  http   jenkinsserver com 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  sudo service jenkins restart     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

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Windows Run services msc and restart

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If nothing works then find the Jenkins process by   ps aux   grep java   and then kill it   kill -9  PID   sudo service jenkins start   Edit   Look for the java process which is related to jenkins

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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

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jenkins url restart is the safest way of doing it   For service- Service Jenkins restart

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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  lt pid gt

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For restarting Jenkins manually using the browser   Enter your www jenkins-ip restart   for example  http   localhost 8080 restart  in the browser  Jenkins will restart and load the login page automatically after restart

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Use the command line interface   java -jar jenkins-cli jar -s http   jenkins example com 8080  -i  root  ssh id rsa safe-restart

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JenkinURL restart will do the restart      usr local etc rc d jenkins restart

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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

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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

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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 http    lt tomcat-server gt  8080 manager list or after authentication hit http    lt tomcat-server gt  8080 manager stop path  myapp  http    lt tomcat-server gt  8080 manager start path  myapp  Launched with just java -jar  kill it  kill -9  lt pid gt    and relaunch it  Launched with java -jar  but from a supervisor  supervisorctl restart jenkins

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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 org jenkins-ci plist

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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

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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

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If you run FreeBSD    usr local etc rc d jenkins restart

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For Mac  Stop Jenkins  sudo launchctl unload  Library LaunchDaemons org jenkins-ci plist   Start Jenkins  sudo launchctl load  Library LaunchDaemons org jenkins-ci plist

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From the terminal   sudo service jenkins restart   Or jenkinsurl restart

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Browse http    jenkins-server-url  updateCenter  and just check  restart jenkins

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On Windows 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

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This can also be done using the Jenkins CLI   java -jar jenkins-cli jar -s http    jenkins-server   restart   The jenkins-cli jar file along with a full list of commands are available at http    jenkins-server  cli

[jenkins] How to restart Jenkins manually?

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