It is 9:15 on a Monday morning. A teammate asks why the weekly report is still showing last Tuesday's numbers. You open the server, and there it is: the cron job that builds the report has not worked...
It's 2 a.m. and your nightly backup script reports "success." Three weeks later you need the backup, and the folder is empty. The script never failed. It just kept going after `cd` quietly didn't work...
It is 9:07 a.m. and the report that should have been in your inbox at 6:00 is not there. You SSH into the server, run the script by hand, and it works perfectly — output, exit code zero, everything. Y...
It usually starts with a small, forgettable task. You write a script that backs up a folder, or clears out old log files, or emails yourself a summary. It works beautifully — the first time, when you ...
