Use OpenResty to perform health checks in your cloud environment as it incorporates Nginx, Lua and comes with batteries included.
Generate and print sequences of numbers to perform specific operations using command-line or shell script.
Create a shell script to determine how long a specified remote server or device was offline. It is not designed to substitute monitoring solutions but to determine how long it will take to reboot the server or device.
It is using convert seconds to human readable time code to display results.
Check website for broken links using HTTrack website copier.
Pretty print size in bytes using AWK.
Display memory used by processes in human readable form using Python script.
These are easy mistakes to make as the
read command will terminate with the error exit code on the end-of-file condition and use Internal Field Separator to split the line into words. It is kind of tricky, but it is worth knowing how to deal with such problems.
Display memory used by processes in human-readable form using
Learn how to erase the LUKS header on a specific device.