netarky.com

Linux

Linux Shell quick reference * Linux swap * Install Linux from a USB drive using dd * vim

Arch Linux

VPS * web server * SFTP * firewall * PostgreSQL * mail server 1 * mail server 2 * mail server 3 * directory structure

Android

Cyanogenmod on a Xperia X10 Mini Pro U20i (mimmi)

Linux links

Linux kernel guide
gnu.org
dyne.org
tuxmobil.org

Tech links

arduino.cc
reprap.org
diydrones.com

Cryptocurrency links

bitcoincharts.com
bitcoin.clarkmoody.com
cryptocoincharts.info
coinchoose.com
coinwarz.com
coinmarketcap.com
multibit.org
cryptobadger.com

Misc links

how-to-cook-perfect-crumpets
designsponge.com/category/upholstery-basics