I have several Nginx installs on my server and now i cannot seem to figure out where the currently running Nginx is running from..
I have the PID which is: 12530
Can i use that to find out where Nginx is running from?
Or is there any other way?
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1What do you mean by "running from"? – Ed Heal Feb 07 '13 at 17:34
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All i want to do is restart the currently running nginx, but i cannot find out how.. Stopping with /etc/init.d/nginx stop seems to stop some other server, because my pages still load in the browser – Laine Feb 07 '13 at 17:35
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`readlink -f /proc/12530/exe` – Shawn Chin Feb 07 '13 at 17:40
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If you want to see "the current environment folder" when the application runs, you look at the PWD of /proc/
/environ file. – Ben Lin Jan 03 '17 at 21:58
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EDIT: wait, you've got a PID, it's not as difficult as the-below. Just look at the output of:
$ sudo ls -l /proc/12530/exe
If by "where Nginx is running from" you mean "which particular binary", you can use something like the following:
$ sudo lsof | grep nginx | grep txt
nginx 8100 root txt REG 202,1 7645520 1931225 /usr/sbin/nginx
...
..which tells me that the version at /usr/sbin/nginx is running.
You might need to apt-get install lsof.
nickgrim
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Take a look in /proc/<PID>/. It contains lots of information about the process and is documented in proc(5). The file exe will be a symlink to the executable. I.e:
$ ls -l /proc/11806/exe
lrwxrwxrwx 1 u u 0 Feb 7 13:15 /proc/11806/exe -> /usr/bin/emacs23-x
PID 11806 is running the emacs23-x executable.
Martin
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