Posts

Wakeup from suspend, wireless Bluetooth / RF keyboard, udev and Ubuntu12.10

Finally got my HTPC wireless controls to wake-up it from suspend. I'm using PS3 BD Bluetooth remote with Trust Bluetooth 3.0 USB receiver (Atheros AR3011) and Logitech Wireless K400r with Logitech Unifying Receiver.

Recovering Zcom ZCN-1523H and Planet WNAP-7300 from bad firmware flash

OpenWrt Attitude Adjustment Beta2 images for Zcom ZCN-1523H a.k.a Planet WNAP-7300 are broken. You can do recovery by opening case (three hidden screws under label on back) and soldering serial port (115200-8-N-1, TX closest to AR71xx, RX next and then GND, ignore fourth pin). After adding serial port cause of fault was quite obvious (kernel lacks support for ZCN-1523H) and also how to repair it without adding serial port.

Automate login to Cisco and Aruba controller based Guest WLAN

Tired of logging manually to Cisco or Aruba controller based guest wlans with captive portal?

Send-to-self on Linux

Just copy-paste of script and link to mailing-list archives. This will allow sending traffic to self on linux over physical or virtual wire. This is seriously cool trick and required patches are now included in kernel so it works out of the box on Ubuntu 12.04.

Recovering Buffalo WZR-HP-AG300H from bad firmware upgrade

Recently I managed to flash bad custom build of OpenWrt to my Buffalo WZR-HP-AG300H rendering it unbootable. See below for tips how to flash latest OpenWrt over TFTP from Windows XP client.

Compiling Strongswan 4.6.4 for Ubuntu 12.04

Debian and Ubuntu are still shipping ancient Strongswan packages. Today I wanted to do some testing with kernel crypto algorithms (af-alg) but Ubuntu Stronsgwan package had them disabled.

Tagging and fingerprinting MP3 files on Linux and Windows

Now that Spotify is shutting down their free (ad supported) service people are forced back to building own MP3 collections. As usual filenames are total mess and ID3 tags missing.