Can t stop rails server

Question

I am new to rails and I am using an ubuntu machine and the rubymine IDE  The problem is that I am unable to stop the rails server  I tried to stop the server by killing the rails process  But  when I run pgrep -l rails  no such process is found  So  I am only able to kill ruby processes  but  the server won t stop    I tried   script server stop  since I started it by running   script server start   but  that didn t work  Googling around and finding some stackoverflow posts  I tried to change the localhost port s listening port but without success  Could someone help

User · Answer

One super easy way would be  gem install shutup  then go in the current folder of your rails project and run   shutup   this will kill the Rails process currently running  You can use the command  shutup  every time you want  DICLAIMER  I am the creator of this gem  NOTE  if you are using rvm install the gem globally   rvm  global do gem install shutup

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Use ctrl c to shutdown your Webrick Server   Unfortunately if its not works then forcefully close the terminal and restart it   Another trick is that   1  open your system-monitor a gui application  on ubuntu  2  Select processes tab   3  Then look for a process having name  ruby   4  End that process

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you can use grep command in following way   ps aux   grep rails   and then  kill -9  process id

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Just open the file using the location given sudo vi  Users user1 go src github com rails app rails project tmp pids server pid find the process id   thread id at which the process is runnning  Kill the specified process   thread using kill -9  84699

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killall -9 ruby will kill all the ruby processes  and at-least on my machine  rails servers appear as ruby processes  killall -9 rails is much more specific and doesn t work for older versions of rails servers  it gives a  rails no process found  because the process is named ruby   Encountered this problem a while ago  After submitting a form in activeadmin  the rails server just hanged and I was unable to kill it using normal means  even after ctrl z it was still running in the background   Learner s answer helped  but this command doesn t need process id

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I generally use    killall ruby   OR  pkill -9 ruby   which will kill all ruby related processes that are running like rails server  rails console  etc

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Press Ctrl - C it will stop if not check

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1  Simply Delete the pid file from rails app directory  Rails app - gt  tmp - gt  pids - gt  pid file  Delete the file and run  rails start    2  For Rails 5 0 and above  you can use this command  rails restart

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You can use other ports like the following   rails server -p 3001   Normally in your terminal you can try Ctrl   C to shutdown the server   The other way to kill the Ruby on Rails default server  which is WEBrick  is   kill -INT   cat tmp pids server pid    In your terminal to find out the PID of the process     lsof -wni tcp 3000   Then  use the number in the PID column to kill the process   For example     kill -9 PID   And some of the other answers i found is   To stop the rails server while it s running  press   CTRL-C CTRL-Z   You will get control back to bash  Then type  without the        fg   And this will go back into the process  and then quit out of Rails s properly   It s a little annoying  but this sure beats killing the process manually  It s not too bad and it s the best I could figure out   Updated answer   You can use killall -9 rails to kill all running apps with  rails  in the name   killall -9 rails

User · Answer

it s as simple as   pkill -9 ruby   nothing more nothing less

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Ctrl-Z should normally do the trick

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On rails 6 using   ps aux   grep rails was not returning the server process   I had to do   ps aux   grep puma  to find the actual process and then kill it using  kill -9  process id

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I have noticed on Windows  Im using 10 but not sure if the same for oler   If you use cmd exe and ctrl   c the raisl server stops correctly    However  if you use Git Bash  it doesn t  It says it has but when you look at the tmp pids  its still there   Maybe a bug with git bash

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I used killall -9 rails like Sri suggested and it didn t work  I adjusted the command to killall -9 ruby and the server closed immediately   Tl dr  killall -9 ruby

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pkill -9 rails to kill all the process of rails  Updated answer  ps aux grep  rails  grep -v  grep  awk    print  2    xargs kill -9  This will kill any running rails process  Replace  rails  with something else to kill any other processes

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It is late for this question  Here is my 2 cents  I made a rake task for stopping the server when I don t have access to it  I only tested on Mac though   With this you can simply add it to your project then run the rake command   Here you go    Gist link  -latest version will be here  https   gist github com houmanka 289184ca5d8d92de0499 file-server-rake  Some code in here     Make a file under   project root lib tasks server rake     Then paste the following code      namespace  server do       desc  Stop the running server by killing the PID        task  kill do         STDOUT puts  Enter port number            post number   STDIN gets strip         system  pid   lsof -i   post number to i  -t   kill -TERM  pid    kill -KILL  pid        end     end    Then to use it in the terminal   rake server kill

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Follow these steps    open your project select in tmp folder select pids folder delete server pid file now start your rails server

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Step 1  find what are the items are consuming 3000 port   lsof -i 3000   step 2   Find the process named   For Mac  ruby      TCP localhost hbci  LISTEN    For Ubuntu  ruby      TCP   3000  LISTEN    Step 3  Find the PID of the process and kill it   kill -9 PID

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check the  tmp tmp server pid  there is a pid inside   Usually  I ill do  kill -9 THE PID  in the cmd

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Delete the server pid from tmp pids folder  In my case  the error was   A server is already running  Check  home sbhatta myapp tmp pids server pid   So  I delete server pid  rm  home sbhatta myapp tmp pids server pid then run rails s

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If you are using a more modern version of Rails and it uses Puma as the web server  you can run the following command to find the stuck Puma process   ps aux   grep puma   It will result in output similar to this   85923 100 0  0 8  2682420 131324 s004  R     2 54pm   3 27 92 puma 3 12 0  tcp   0 0 0 0 3010   my-app  92463   0 0  0 0  2458404   1976 s008  S     3 09pm   0 00 00 grep puma   You want the process that is not referring to grep  In this case  the process ID is 85923   I can then run the following command to kill that process   kill -9 85923

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We can kill rails session on Linux using PORT no  fuser -k 3000 tcp    here 3000 is a port no  Now restart your server  you will see your server is in running state

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Also  Make sure that you are doing command Cntrl C in the same terminal  tab  which is used to start the server    In my case  I had 2 tabs but i forgot to stop the server from correct tab and i was wondering why Cntrl C is not working

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For my windows 10 machine  Ctrl - C   Ctrl - D works

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When the rails server does not start it means that it is already running then you can start by using new port eg    rails s -p 3001   or it starts and stops in that case you want to delete temp folder in rails directory structure it starts the  rails server

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Following are steps to kill server process   1  lsof -i tcp 3000  2  kill -9 1234  where 1234 is the PID of process  localhost 3000 display in step 1   OR  Remove file server pid  under Rails root tmp pids  and restart server   OR  open app in another port by using command   rails s -p 3001

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On my MAC the killall -9 rails does not work  But killall -9 ruby does

[ruby-on-rails] Can't stop rails server

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