12
votes
1answer
1k views

What is the story behind the default times set in /etc/crontab?

To my understanding, this is the default configuration of /etc/crontab: # m h dom mon dow user command 17 * * * * root cd / && run-parts --report /etc/cron.hourly 25 6 * * * ...
2
votes
1answer
2k views

Does Ubuntu periodically clean empty directories under /var/run?

I've noticed that empty directories get deleted from /var/run/ on reboot. I'm wondering if that's something Ubuntu does or something that I have installed.