https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/resource_management_guide/ch01
Author Archives: jeffrin
What’s Next for Containers? User Namespaces
https://rhelblog.redhat.com/2015/07/07/whats-next-for-containers-user-namespaces/
What’s a Linux container?
https://www.redhat.com/en/topics/containers/whats-a-linux-container
Extracting the second word from a string variable
https://unix.stackexchange.com/questions/174037/extracting-the-second-word-from-a-string-variable
pstree command usage example with process id as first argument
ABOUT pstree pstree is a Linux command that shows the running processes as a tree. It is used as a more visual alternative to the ps command. The root of the tree is either init or the process with the given pid. It can also be installed in other Unix systems. TYPICAL COMMANDLINE SESSION [bash] …
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How do I get the parent process ID of a given child process?
https://askubuntu.com/questions/153976/how-do-i-get-the-parent-process-id-of-a-given-child-process https://superuser.com/questions/150117/how-to-get-parent-pid-of-a-given-process-in-gnu-linux-from-command-line/544696#544696
perf: Linux profiling with performance counters
https://perf.wiki.kernel.org/index.php/Tutorial#Attaching_to_a_running_process
A bit field is a data structure used in computer programming
https://en.wikipedia.org/wiki/Bit_field
Search for a pattern at the beginning of a line using grep
$ps -e “kworker$” error: unknown sort specifier Usage: ps [options] Try ‘ps –help ‘ or ‘ps –help ‘ for additional help text. For more details see ps(1). $ps -ef | grep “^daemon” daemon 639 1 0 May04 ? 00:00:00 /usr/sbin/atd -f $ps -ef | grep “^rtkit” rtkit 1245 1 0 May04 ? 00:00:00 /usr/lib/rtkit/rtkit-daemon $ps …
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why does “exit status 0” mean success?
https://www.quora.com/in/Why-does-%E2%80%9Cexit-status-0%E2%80%9D-mean-success