I need to remove files older than 3 days with a cron job in 3 different directories. (these 3 directories are children of a parent directory /a/b/c/1 & /a/b/c/2 & /a/b/c/3) Can this be done with one line in the crontab?
I am looking for some tutorial where a simple script is written using very advanced methods so that i can learn more from Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you … Read more
I have created the following script that move old days files as defined from source directory to destination directory. It is working perfectly.
I have been wondering what would be the best way to get good randomness in bash, i.e., what would be a procedure to get a random positive integer between MIN and MAX such that
Very useful when you forget a sudo at the beginning of your command, !! acts like an alias of the previous command. Example :
I get how a normal fork bomb works, but I don’t really understand why the & at the end of the common bash fork bomb is required and why these scripts behave differently:
I’m trying to use the following script to generate a sitemap for my website. When I run it as sh thsitemap.sh I get an error like this and creates an empty sitemap.xml file:
In order to find out how long certain operations within a Bash (v4+) script take, I would like to parse the output from the time command “separately” and (ultimately) capture it within a Bash variable (let VARNAME=...).
Suppose that I have three (or more) bash scripts: script1.sh, script2.sh, and script3.sh. I would like to call all three of these scripts and run them in parallel. One way to do this is to just execute the following commands:
Under the assumption that disk I/O and free RAM is a bottleneck (while CPU time is not the limitation), does a tool exist that can calculate multiple message digests at once?