Cronatab -e raises this error: /tmp/crontab.JS8BKY: No such file or directory Creation of temporary crontab file failed - aborting

Question

I am using Whenever gem for scheduling jobs. But when my job get executed it raises Jan 3 16:05:01 Ubuntu-1604-xenial-64-minimal CRON[17544]: (CRON) error (create tmpfile) this error.

Answer 1

Try:

1. umount /tmp or umount overflow
2. restart server

If still problem occurs then please restart you machine once.

Answer 2

Actually main reason was same suggested by @jyoti. My tmp folder was out of memory. And this happens often with servers as we never reboot them. So just reboot your server and your /tmp will automatically cleared.