Category Archives: Linux

dm-cache in Slackware

bcache vs. dm-cache I tested bcache about year ago on my spare/backup server and it worked quite fine. But since then every newer kernel had new issues, even on mailing list there were suggestions that bcache should be marked back … Continue reading

Initrd in Slackware

There is small simple howto with Slackware package mkinitrd, man page says a little bit more, more is kind of mystery 🙂 I switched from full kernel (in fact, my own compiled kernel) to initrd few years ago and since … Continue reading

Picture thief

Recently I noticed in server’s logs that one of my blog pictures become very popular: It’s from this post: RTL2832U spectrum analyzer – part 2 Sometimes people embed my schematic or pictures on forums to enhance discussion. But this time … Continue reading


I was searching Internet about FLARM and other possibilites to track small aircrafts, and how to use it in airplane models 🙂 Of course, I found another interesting thing which reminded me that USB DVB-T tuner with well known Realtek … Continue reading

RTL2832U spectrum analyzer – part 2

In previous part i wrote about LifeViev DVB-T usb stick based on RTL2832U and Fitipower FC0013 tuner. In spite of information on site, FC0013 in this stick doesn’t go up to 1.1GHz :-(. In fact, from my experience it … Continue reading