op-co.de blog

This post is about setting up and configuring a dnsmasq container on a MikroTik RouterOS device to be used as an authoritative DNS server and a forwarding cache at the same time.

So I was bored and I set up an XMPP server under 👆️.op-co.de, in addition to the one I already had under ツ.op-co.de.

For my time-lapse photography, I'm using darktable to develop the pictures, processing hundreds, sometimes over a thousand, RAW photos for a single scene.

This is a follow-up to the Samsung NX mini (M7MU) firmware reverse-engineering series.

This post documents how to convert a directory full of project release ZIP files into a git history with better diffs and commit dates.

In 2014 and 2015, Samsung released the NX mini and NX3000/NX3300 cameras as part of their mirrorless camera line-up.

APRSdroid is an Amateur Radio geo-location (APRS) app for Android licensed under the GPL.

Running a colo / hosted server with Full Disk Encryption (FDE) requires logging in remotely during initramfs, to unlock LUKS.

Exactly one year ago, after updating a bunch of Debian packages, my laptop stopped booting Linux.

In 2013, Samsung released the Galaxy NX (EK-GN100, EK-GN120, internal name "Galaxy U"), half Android smartphone, half interchangeable lens camera with a 20.3MP APS-C sensor, as part of the NX lineup that I analyzed last year.