You have an EPUB collection somewhere on your Mac — bought from various stores, downloaded from public domain sites, converted from PDFs, ripped from your own books with Calibre and a USB scanner. You want them on your Kindle (or …
The first time I set up a cron job with MAILTO=me@example.com, I assumed it would just work. It didn’t. The output ended up in /var/spool/mail/root, which I never checked, because my Oracle box couldn’t deliver outbound email — …
You have a private server in a VPC that’s only reachable through a bastion host. The “obvious” way to SSH there is the wrong way: copy your private key onto the bastion, then SSH from bastion to the private box. …