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2answers
211 views

KDE becomes slow

I experience problems with KDE 4.11.1 on Arch Linux. It suddenly becomes laggy and unresponsive and just as suddenly returns to the normal state after some time. Normal CPU load (KSysGuard): ...
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1answer
24 views

How to kill only current process and continue with shell pipe-line?

I have 2 related Doubts about Bash. (Q1) Consider tail -f SomeFile | wc, a fictitious command-line, where tail is used to simulate a command (C1) which runs for a long time, with some output from ...
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votes
1answer
39 views

kill processes in one line with kill, awk, ps, and grep

I have a few processes that spring up and I am able to print a line of the pgid's that I would like to enter into a kill command. here is what I have: sudo ps o pgid,args | grep mininet: | sudo awk ...
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1answer
500 views

Very large values for utime and stime for foo. Is foo still running?

I am running a program foo It has been running for close to 30 days now (even more) Until around 10 days ago (I cannot be very exact) it used 100% of one cpu on my dual core laptop (it was at the ...
1
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0answers
23 views

Find the creator of a task

I would like to find the creator task of an arbitrary task in the Linux kernel. However, I am not sure, if there is a way to do this in general. Normally, you can find the creator of a task via the ...
1
vote
0answers
113 views

Start command and stop command in terminal on keyboard (hotkey) shortcut press?

I have seen How to execute a script in shell when a shortcut key is pressed, but that is not what I want. If you have used recordmydesktop, you may have noticed the following in its manual: After ...
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0answers
73 views

isolcpus doesn't work on Ubuntu 14

I added isolcpus=0 to the end of the following line to the file /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="quiet splash isolcpus=0" The idea, as I understand it, is to reserve core 0 from having ...
0
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0answers
460 views

Detach a process from Sh (not Bash) or “disown” for Sh (not Bash)

Consider a shell script executed by Sh, not Bash (and I can't change it, and can't use a shebang, it's ignored). The & operator works, but disown $! does not and makes Sh complains “disown: not ...