Questions tagged [pid]

Process Identifier (PID)

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14 votes
3 answers
31k views

Systemd drop-in fails to create PID file

I have a drop-in for systemd-machined at the path /etc/systemd/system/systemd-machined.service.d/10-machined-pid-file.conf. when I run systemctl status systemd-machined I do see the lines Drop-In: /...
Christian Grabowski's user avatar
123 votes
8 answers
277k views

How to get pid of just started process

I want to start process (eg. myCommand) and get its pid (to allow to kill it later). I tried ps and filter by name, but I can not distinguish process by names myCommand ps ux | awk '/<myCommand&...
rafalmag's user avatar
  • 1,341
17 votes
10 answers
96k views

Port 80 is being used by SYSTEM (PID 4), what is that?

I am trying to use port 80 for my application server, but when I perform "netstat -aon" I get TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 4 When I look up the process in ...
user avatar
29 votes
4 answers
34k views

Directory in /var/run gets deleted after hard reboot

I keep my sphinx pid in /var/run/sphinx/searchd.pid but every time I hard reboot the directory /var/run/sphinx disappears and sphinx fails to start. Is there a way to make that directory stick or ...
user avatar
19 votes
2 answers
111k views

How to find the .pid file for a given process

I'm setting up monit and want to monitor a given python application. Monit does this by looking at the .pid files for processes, but I don't know where this would be. I also tried creating my own ...
Yarin's user avatar
  • 1,366
12 votes
3 answers
16k views

Can start-stop-daemon use environmental variables?

I need to daemonize a Windows app running in Wine, and create a pid in /var/run. Since it requires an X11 session to run, I need to make sure the $DISPLAY variable is set in the running user's ...
scottburton11's user avatar
2 votes
3 answers
21k views

sshd running but no PID file

I'm recently started using monit to monitor the status of sshd on my CentOS 5.4 server. This works fine, but every so often monit reports that sshd is no longer running. This isn't true - I am still ...
dunxd's user avatar
  • 9,694
2 votes
2 answers
1k views

How can I enable pid and ppid fields in psacct dump-acct?

I am currently using the psacct package on Centos to perform accounting on processes run by users. The info file1 suggests that it is possible to output pid and ppid depending on what information ...
annavt's user avatar
  • 125
1 vote
1 answer
21k views

MySQL server quit without updating PID file

I need help on how to start the mysql server. The problem arise when the root directory was full. To be able to login to directadmin and start mysql, I added a soft link of the /var/lib/mysql/ to /...
Pelang's user avatar
  • 413