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Q&A "A server is already running" error in rails

To fix this: First, run cat command on the file listed in the message. e.g: cat /home/XXX/ruby/YYY/tmp/pids/server.pid cat command will return a 5 digit number. e.g 12345 12345 is the PID ...

posted 2y ago by Kevin M. Mansour‭  ·  edited 1y ago by Trilarion‭

Answer
#2: Post edited by user avatar Trilarion‭ · 2022-10-06T10:06:19Z (over 1 year ago)
replaced specific but meaningless names with XXX, YYY and removed Hope that helps (while true, always implied)
  • To fix this:
  • First, run `cat` command on the file listed in the message. e.g:
  • ```
  • cat /home/istiak/ruby/qpixel/tmp/pids/server.pid
  • ```
  • `cat` command will return a 5 digit number. e.g
  • ```
  • 12345
  • ```
  • `12345` is the PID of the process that is running the current rails server.
  • Then kill the running process using:
  • ```
  • kill -9 12345
  • ```
  • Then you can run the server using:
  • ```
  • rails s
  • ```
  • Hope this helps!
  • To fix this:
  • First, run `cat` command on the file listed in the message. e.g:
  • ```
  • cat /home/XXX/ruby/YYY/tmp/pids/server.pid
  • ```
  • `cat` command will return a 5 digit number. e.g
  • ```
  • 12345
  • ```
  • `12345` is the PID of the process that is running the current rails server.
  • Then kill the running process using:
  • ```
  • kill -9 12345
  • ```
  • Then you can run the server using:
  • ```
  • rails s
  • ```
#1: Initial revision by user avatar Kevin M. Mansour‭ · 2021-07-14T00:10:14Z (over 2 years ago)
To fix this:

First, run `cat` command on the file listed in the message. e.g:

```
cat /home/istiak/ruby/qpixel/tmp/pids/server.pid
```
`cat` command will return a 5 digit number. e.g

```
12345
```
`12345` is the PID of the process that is running the current rails server. 

Then kill the running process using:

```
kill -9 12345
```

Then you can run the server using:

```
rails s
```

Hope this helps!