There are only 5 main things that bring a site down: new code If you don’t push new code, your apps will be pretty stable. The biggest thing that brings down a site is changes. Typically code changes, but also schema/data changes, infra/network/config changes, etc. As long as nothing changes…

note: sed -n 1p prints the first row quote escape awk when using " see awk looping, awk sum calculate, awk quoting root@b1b309db3e99:/# cat /tmp/foo 1 (entrypoint.sh) S 0 1 1 0 -1 4210944 1312 1262 0 0 15 0 4 13 20 0 1 0 548927860 4079616 788 18446744073709551615 94337304551424…

statm https://www.kernel.org/doc/Documentation/filesystems/proc.txt If you would want to get the Resident Set Size (RSS) of a process on Linux you could find this in a number of files. Both stat and statm show the resident set size in pages, while status shows it in kilobytes. /proc/pid/stat: targetted for scanf(3) /proc/pid/statm: targetted for…

principles to abide by People assume it’s easier for more senior people to get offers, but it’s actually the opposite. The more senior you get, the longer it can take to get a new job. You are much more expensive, so companies are extra cautious hiring you. And it’s just…

A burst is a continued action. Now this can apply to different resources in different concepts. While scheduling, each process gets to use the CPU for slice. The slice that it gets, is called the CPU burst. In simple terms, the duration for which a process gets control of the CPU…