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Questions tagged [ps]

In most Unix-like operating systems, the "ps" program displays the currently-running processes.

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More elegant ps aux | grep [g]rep do not work

I am running the command: ps -ef | grep [p]ts/1 The result is: root 13820 1733 0 14:19 ? 00:00:00 sshd: root@pts/1 root 13822 13820 0 14:19 pts/1 00:00:00 -bash root 15847 13822 0 15:32 pts/1 00:00:00 ps -ef root …
Iulian
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Apache2 seems busy

I have an Ubuntu 14.04.4 LTS server running Apache/2.4.7 and my error.log file is frequently getting this kind of message below: [Thu Sep 01 19:45:40.571637 2016] [mpm_prefork:info] [pid 1696] AH00162: server seems busy, (you may need to increase…
Rod Elias
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How do I list the user that started a service in freebsd

Just a simple question, but I've looked everywhere and can't seem to find this. I just need to know what user started a particular service. In this case, I want to know what user runs the headphones service (headphones plugin in a FreeNAS jail). I…
compcentral
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How to combine lsof stat and ps to get more info in one line bash command

I can use lsof to get top open files stat for processes, as below: $ lsof -n|awk '{print $2}'|sort|uniq -c|sort -nr | head -n 5 17955 11945 10282 2786 5980 32152 1920 27803 1786 32107 Now I want to expand the result to like below with…
Y.Huang
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How to ensure that the script and its command get killed once terminal is closed

I have written a script and it is working fine . It do some tail and grep operations. When I am closing my terminal and the greping the PID of my script , I can find the script is still present in the output of "ps -eaf |grep -i myScript.sh" .…
monk
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How can I log a linux command's process tree?

I'm trying to track the usage of a certain command so I want to log its parents (to see what is actually using it) Solaris has "ptree" which would be pretty easy to parse and log: # ptree 4198 4198 /usr/bin/perl -S /sample.pl 4228 /usr/bin/java…
wsaxton
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ps aux shows only processes of the current user

On one of my servers running Debian 7.8, when I run ps aux, I only see processes belonging to the current user. If I check the permissions with sudo ls -al /proc/, procesess run by root have theses permissions: dr-x------ Whereas on my other Debian…
Rudloff
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Print last column containing spaces and special characters

I need a full path/command thats been execued to start a process thats exposed on the network - listens on tcp/udp . I did manage to get all of that using below "one liner": netstat -nlp46|tail -n +3 | while IFS=" " read -r -a line; do…
Pavel K
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how to view all process details from ps –ef command

hi all I am using the ack.pl in my bash script to search IP's in the Linux OS only for example , and only to show the problem I will give here short example # ( ./ack.pl -Q -a -l --max-count=1 --ignore-dir=log --ignore-dir=logs --ignore-dir=lib …
maihabunash
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Script that checks and runs a jar, sometimes runs it twice.

I jave written a small bash script to run every 10 minutes, check if a certain program is running and if not run it. However, I noticed that sometimes I have two instances of the same program running (using ps ax | grep "gateway"). What am I doing…
xpanta
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Nginx - change status code based on grep of process list or similar

We are using nginx as a reverse proxy in our cloud infrastructure, and it's pretty handy. I'd like to use it for something else though. On some of our VMs, there is a process that I need to be able to confirm is running. Ideally, I'd like to have…
SamBarham
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Cron job running twice

I have a ubuntu linux ec2 instance running on AWS. Upon entering the command ps -ef to view all currently running processed, I see root 2346 944 0 06:08 ? 00:00:00 CRON ubuntu 2347 2346 0 06:08 ? 00:00:00 /bin/sh -c…
Lance
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Invalid format output from ps etime

We have some scripts that run to detect long running processes. It works using ps and etime e.g ps -eo uid,pid,etime This part works fine except that occasionally we get an etime back with an invalid format 2000 20453 1158050441-07:00:15 sh All of…
Ryaner
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different result of counting the number of processes with ps command

Script A : #!/bin/bash cmdname=$1 process_num=$(ps -e | grep $cmdname | wc -l) timestamp=$(date +%s) echo -e "$timestamp\t process_num=$process_num" Script B: #!/bin/bash cmdname=$1 process_num=$(ps -ef | grep $cmdname | wc -l) timestamp=$(date…
hywl51
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Why does a suspended process show high CPU usage in ps?

Sometimes when a process is suspended (in T state) the output of ps shows the process using an unusual amount of CPU%. USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND cossey 8697 26.9 0.0 8808 672 pts/3 T 09:25…
Ecolitan
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