Process Identifier (PID)

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Log pid than cpu higher than a value

I'm looking for a way to log the pid of process higher than a fixed value of cpu (ex 40%). I tried with command like this : ps -eo pcpu,pid,user,args | sort -k 1,2 -r | head -10 But, first, it sorts ...
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920 views

Apache Failure on Centos 7 not starting

hellau everyone, i have a problem, that i cant resolve alone, so i need your help. i have installed on a centos 7 apache when im asking for the status of the service (systemctl status httpd) so i ...
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1answer
504 views

Restarting shell script with &disown using Monit

I have a shell script that runs a C++ backend mail system (PluginHandler). I need to monitor this process in Monit and restart it if it fails. The script: export LD_LIBRARY_PATH=/usr/local/lib/:/...
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1answer
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Could not access pid file for elasticsearch

I am not a die-hard linux engineer, but I am having some problems with starting Elastic Search. Some stats: Server: Ubuntu Server 11.04 Elastic Search: 1.2.3 (installed with appitude) When I start ...
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1answer
109 views

Interfacing strace with Process Name instead of PID

How do I implement a wrapper script pstrace in bash that changees the interface of [sudo] strace -c -p [PID] to [sudo] pstrace -c -p [PROCESS-NAME] similar to how killall [PROCESS-NAME] is ...
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Windows Server 2008 R2 Troubleshooting PID Leaking

One of our servers has been leaking PID like crazy. I wrote a simple scheduled script, and it seems that every day the highest PID increases by approx. 300'000. E.g., if on Aug.24 00:00 the highest ...
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302 views

Shell script Process PID logging and maintenance using exec

I am trying to launch a java process as a server and then might periodically need to restart/kill it at certain times. Since I use a shell script to launch java jvm(to build classpath), I thought of ...
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1answer
115 views

How to run a program in a new PID namespace

How to run a program in a new PID namespace? All tutorials on the internet show writing some custom C code in order to do it. Is there a command instead for that?
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Process identifier mask in z/OS

I've noticed a curious pattern to process identifier numbers on the z/OS system I'm working on (uname reports it as OS/390), they're either 1-4 digits long or 8 digits long but never in between. The ...
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0answers
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When is a pid needed in log rotation?

I've read that providing pid in the newsyslog.conf is to ensure that the process writes in the new log file. However, I've tried log rotation without providing a pid because I couldn't find one for ...
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0answers
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Upstart shows non-existent process running

I am using upstart 1.8-0ubuntu1 on Ubuntu-1210-quantal-64-minimal. It shows me nginx to be running, when it's not. # service nginx status nginx start/running, process 2543 # ps -p 2543 PID TTY ...
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OpenStack Swift: PID files don't correspond to running processes' PIDs; can't restart services - port already bound

I am running a Docker container with Swift ("Swift all-in-one") on a CentOS 7 host. I noticed that the PIDs in /var/run/swift/*.pid files differ from the actual PIDs running in the system: root@...