How to fix the crontab error `rename: Operation not permitted`
Today, something unexpected happened while I was working on one of our Linux machines. I issued the crontab -e command to add a cron job to my user’s crontab file, modified and saved it, only to the following error: crontab: installing new crontab crontab: crontabs/<user>: rename: Operation not permitted crontab: edits left in /tmp/crontab.hgmsOH/crontab Puzzled, I checked whether my user permissions were all right, if the disk was full, and several other things....