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Questions tagged [zombie]

34 questions
87
votes
6 answers

How do you free up a port being held open by dead process?

A colleague of mine recently ran into a problem where a process that had supposedly died was still bound to a network port, preventing other processes from binding to that port. Specifically, netstat -a -b was reporting that a process named System…
Adam Rosenfield
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71
votes
3 answers

Ubuntu displays "There is 1 zombie process" upon login

This message appears when I login to my machine: There is 1 zombie process. What is it telling me? Is this anything I should worry about? If yes, then what should I do, and how?
John Mee
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40
votes
7 answers

What is a zombie process and how do I kill it?

Virtual Shotguns?
jldugger
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20
votes
2 answers

How to delete a docker network that does not exist?

I have a docker swarm configuration with 3 nodes. There is a network that sits on only one of the nodes. On that particular node, docker network ls shows the network, docker network rm [network-id] says "Error response from daemon: network ... not…
JRoppert
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18
votes
5 answers

Best way to kill Zombie and D state processes in linux

What is the best way to kill Zombie processes and D state process by single command.
vnix27
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8
votes
2 answers

Remove a zombie process from the process table

I've got an annoying zombie process that gets adopted by init, and it won't go away. I've read there is a way to create a dummy process, attach the zombie as a child of that new process and then kill it, removing it from the process table. How would…
Jelle De Loecker
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7
votes
2 answers

Ubuntu load average spikes but CPUs are idle

We have a server on a cloud network, provided by a third party. We are running Ubuntu 10.04 Server Edition. The problem happens at seemingly random times, around one to three times a day. The load average in top usually sits around 2 and the server…
Travesty3
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4
votes
0 answers

In Windows 2008R2 there is a TCP port that is stuck LISTENING but the process that has it open is terminated?

I have a program, NC_net that allows Nagios to monitor Windows machines for various metrics and it seems to have caused a sporadic issue where when the service stops, the TCP port remains open. The service has been stopped for over two hours and…
phiz
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3
votes
1 answer

init doesn't kill zombies

I have some zombie processes on my system. I've killed the parent of those zombies hoping init will take over and free up the resources (lots of sockets in CLOSE_WAIT). However init is not removing those proceses from the system: #ps ax ... 17051 ? …
facha
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3
votes
2 answers

Is it possible to get zombie process exit status from shell?

If i execute 'ps' command in shell, i can get some processes marked as '' - they are exited, but parent process don't receive they exit status yet. Sometimes, while debugging network apps, i need to get exit status of such process from shell - is it…
grigoryvp
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3
votes
1 answer

Nagios Creating lots of zombie process

In my monitoring box, I have lots of zombie process created by nagios and they gets remove quickly also. I am using active checks to perform monitoring of my servers. I accumulated the defunct processes created using the following command: $ top -d…
pradeepchhetri
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3
votes
1 answer

Seeking clean resolution for zombie who caused by git fetch / ubuntu motd

I have jenkins and gitosis running on the same [Ubuntu 10.04] server. Jenkins fetches git commits from a repo served by gitosis (also running on the same server). Many repos, actually, since there are many jobs in Jenkins. Every now and then I end…
Adam Monsen
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3
votes
1 answer

Linux kernel crash analysis. Blocked processes, IO and uninterruptible wait

I have a multiuser ERP application running on a CentOS 5.5 platform. The hardware is HP ProLiant DL380 G6. This has been a stable system for the past year, but there have been problems over the past week. The issue is a gradual rise in system load…
ewwhite
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3
votes
3 answers

How do hackers really achieve "anonymity"?

I asked if proxies really provide anonymity, and would like to know how hackers do it when they try to attack government websites and such. They hack PCs making them zombies and them controlling them, using their victim's IP address for example?…
Somebody still uses you MS-DOS
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2
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2 answers

Zombie processes still alive and working fine, but can't be killed?

Am I misunderstanding something, or should this not be possible? All my daemon processes are in zombie state after I tried to stop the control service: # ps ax | grep controller 13768 pts/11 S+ 0:00 grep controller 26866 ? Zl 18:56…
Shish
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