This is a question that has been addressed several times, not only here, but also in other sites of the stack exchange network (e.g. How to make ssh to kill remote process when I interrupt ssh itself?
). However, I cannot make any of the solutions work for me.
I have a task running that blocks pm-hibernate (on Linux 4.0.7-2). When I try pm-hibernate there is an error message “Freezing of tasks failed after 20.002 seconds (1 tasks refusing to freeze, wq_busy=0):” and the task is shown.
I am familiar with kill command , and most of the time we just use kill -9 to kill a process forcefully, there are many other signals that can be used with kill. But I wonder what are the use cases of pkill and killall, if there is already a kill command.
Apart from the most violent kill -9 (SIGKILL), I don’t quite understand the difference between the 3 other common signals (here) -HUP (1), -INT (2), and -TERM (15).
I know that pkill has more filtering rules than killall. My question is, what is the difference between:
I want to kill the following processes using
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 it’s the applications doing or the kernels.
I asked a question to know how to get multiple lines of message from Python’s subprocess module.
Here is the behaviour I want to understand: