kill - Send a specified signal to a process or process group.

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4
votes
2answers
5k views

How to pkill by “command name”?

So I'm executing a command like: COMMANDNAME -PARAMETERS But..why can't I kill it with "pkill"? I'm trying with: pkill -9 "COMMANDNAME -PARAMETERS" but it doesn't kills the "COMMANDNAME ...
7
votes
3answers
1k views

How to stop a bunch of processes on unix fast?

How to stop a bunch of processes on unix fast. I can use ps/top, kill. If the number of processes is very large, I use shell script. Are there other ways, only one or two unix commands can do it ...
2
votes
1answer
880 views

Does a process invoking oom-killer kill itself?

Looking through syslog, I see lines like dd invoked oom-killer. Does this mean dd is being killed by the oom-killer or does it mean dd asked oom-killer to go kill another high memory process?
1
vote
2answers
1k views

Is it possible to kill another user's program? How?

root can kill any program run by any user. Is it possible for a user to kill another user's program without using sudo, etc.? Example: How can make user foo kill program x which is run by user bar?
3
votes
2answers
984 views

Terminate Root Processes

Is there a way to terminate a root process without entering an administrator's password? You might be wondering why I'd want to do this 'cause it sounds fishy. Well I just need to end a process ...
7
votes
1answer
893 views

Interrupt sequence CTRL+C does not work for user

In any terminal operating under GNOME, if I press Ctrl+C, I only see a question mark. Same goes for Ctrl+Z. The output of stty -a | grep intr is: intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ...
3
votes
3answers
4k views

Killing multiple GNU screen sessions with the same name

Sometimes my script bugs out and multiple screen sessions with the same name get created. Is there a way to kill all of these with this name in one command? Rx:/scripts# screen -S haydoz-script -X ...
10
votes
5answers
3k views

How to soft kill gui applications via terminal?

Is there a way to close a GUI application in friendly "please quit yourself now" way, without graphical access to the applications window? For example, if Gnome/X display crashes to black, I'd like ...
4
votes
3answers
2k views

How to kill two or more processes with one kill command?

I am using the following command to kill one java process via shell script: pidof java|xargs kill -9 $1 What if the list of pidof output has more than one elements? How do I kill them both with ...
2
votes
3answers
4k views

Alternative to `pkill` or `pgrep -f` on cygwin?

Suppose I have starting my process like: java -DSOME_STRING -jar foo.jar Then on linux, I can use the following to find or kill this process: pgrep -f SOME_STRING pkill -f SOME_STRING However ...
20
votes
2answers
2k views

why would typing Ctrl+c twice stop a running process in Linux?

There are Linux programs, for example vlc, that recommend typing ctrl+c twice to kill their execution from a terminal if the program didn't stop after the first one. Why would typing ctrl+c twice ...
3
votes
3answers
316 views

Kill process when it stops to produce further output

Is there a shell tool which can probe if a subprocess is still producing output, and otherwise kill it after a specified timeout? I'm using offlineimap for Gmail backup, but that's very very very ...
6
votes
2answers
7k views

Program behavior when kill -HUP is recieved?

Is there a way to find out what will program do when it receives kill signal HUP? Without simply running the command ofc :D For example, killall -HUP pppd will restart pppd killall -HUP firefox ...
12
votes
2answers
1k views

Is '-9' a flag to kill command?

What does -9 do? It does not show up in the syntax: $ kill kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec] $
2
votes
3answers
893 views

How to monitor or kill a process which has been started by cron?

I have some bots, which are run by the System scheduler at given time interval. But sometimes due to some logical error I have to stop these bots manually. How can I find these processes run by the ...
6
votes
3answers
3k views

killall gives me `no process found ` but ps

Could somebody explain to me the difference between kill and killall? Why doesn't killall see what ps shows? # ps aux |grep db2 root 1123 0.0 0.8 841300 33956 pts/1 Sl 11:48 0:00 ...
1
vote
1answer
536 views

I can't kill xfwm4

$ ps aux | grep xfwm xralf 4365 1.2 0.4 19888 9444 ? S 10:45 0:00 xfwm4 --replace --display :0.0 --sm-client-id 204399537-7a38-4196-8c31-43cf2f3542ac xralf 4369 0.0 0.0 3324 ...
13
votes
2answers
18k views

How can I kill a <defunct> process whose parent is init?

Transmission is intermittently hanging on my NAS. If I send SIGTERM, it doesn't disappear from the process list and a <defunct> label appears next to it. If I send a SIGKILL, it still doesn't ...
16
votes
3answers
13k views

Where can I see a list of kernel killed processes?

Is there some way I can check which of my processes the kernel has killed? Sometimes I log onto my server and find that something that should've run all night just stopped 8 hours in and I'm unsure if ...
1
vote
1answer
924 views

Kill child-parent processes in a single command

I connect to Internet using sudo wvdial on Fedora 14. The terminal needs to be kept working. My requirement is to run yum update in a separate terminal, then kill wvdial & its parent terminal and ...
5
votes
1answer
333 views

Enable kill X.org with an own key combination

I've just read Enable kill X.org with ctrl+alt+backspace and am really happy, that control-alt-backspace no longer kills my X-Server. However, I'd like to have a way to kill it; it just should be ...
218
votes
9answers
97k views

When should I not kill -9 a process?

I am always very hesitant to run kill -9, but I see other admins do it almost routinely. I figure there is probably a sensible middle ground, so: When and why should kill -9 be used? When and why ...
16
votes
5answers
7k views

How can I close a terminal without killing its children (without running `screen` first)?

sometimes I run an app in the gnome-terminal, but then I suddenly have to restart gnome or something. I guess the answer to the question is also useful then I want to disconnect from SSH where ...
3
votes
1answer
1k views

Adding kill to a sudoers group

How can I give permissions in sudoers such that each member of a group is able to kill the process owned by another member of the group? Scenario: I have two users -- bill and dev-cron -- who are ...
136
votes
12answers
95k views

What if 'kill -9' does not work?

I have a process I can't kill with kill -9 <pid>. What's the problem in such a case, especially since I am the owner of that process. I thought nothing could evade that kill option.
7
votes
2answers
3k views

How to kill both process and subprocess?

I asked a question to know how to get multiple lines of message from Python's subprocess module. The problem is that in the course of testing, I had to kill the python process that runs gnuchess ...
3
votes
2answers
796 views

closing unused gnome terminals

while working I start lots of gnome-terminals and do something with them. dd on first terminal, 12 ssh sessions to a bunch of servers to do something. These sessions are finishing it's job and get ...
6
votes
4answers
6k views

'kill java' doesn't kill java

I am running debian right now and sometimes I need to kill java manually from the terminal, but when I try kill #pid# or pkill java nothing happens. No console output (ok, that's normal) and java is ...
14
votes
8answers
8k views

pgrep and pkill alternatives on mac os x?

Are there alternatives to pgrep and pkill commands on Mac OS X or should I just create aliases for them using other commands available for me?