Technical notes, my online memory

This is a simple way to keep tabs on bandwidth provided by your ISP. It's also useful as a historical record to prove exactly when servi...

Installing gatekeeper is easy: kubectl apply -f https://raw.githubusercontent.com/open-policy-agent/gatekeeper/master/deploy/gatekeeper.ya...

# Put a quote in front of the first alphabetic character on each line s!\([a-z]\)!"\1!c

Suppose you want to figure out which DNS server you're using and it is provided via DHCP. This can be surprisingly difficult. Suppose th...

I tried two linux tools, exiv2 and exiftool. exiftool seems to be better. exiv2 View full exif data with this (the default view only giv...

Amazon lets you create a "household" to share content, but it's really not obvious how you make kindle content from the other...

If you are using a Yubikey encryption scheme and want to add the key onto a new system there's a few hoops to jump through. These instr...