What WiFi Channel?

So… Confusingly there are 11, 13, or 14 ‘channels’ for the commonly used WiFi on 2.4GHz, yet not all of those channels should be used with the latest WiFi devices…

A brief summary is:

The WiFi channel numbers must be treated as ‘spot frequencies’ rather than sacrosanct self-contained ‘channels’. The channels 1 to 13 are . . . → Read More: What WiFi Channel?

The Makers Phenomenon and Future Mobiles

Locally we have the Nottingham Hackspace in recent years seemingly appear from nowhere and continue to enthusiastically expand (with friendly cross-over with NLUG). Around the world, “Makers” are gaining greater prominence in the news media (including dedicated magazines such as Makezine). All the more so with the phenomenal success of the Raspberry Pi aided by . . . → Read More: The Makers Phenomenon and Future Mobiles

Gentoo kernel 3.6.11 webcams, V4L, UVC, video: kernel config

For those of us adventurous enough to upgrade to the Gentoo kernel 3.6.11 using their own custom kernel config… Beware that the config spec for the video modules and webcam modules including all of the USB UVC/video have been moved in the config hierarchy and may well need reenabling:

Lost your /dev/video0 and you have . . . → Read More: Gentoo kernel 3.6.11 webcams, V4L, UVC, video: kernel config

barcamp Blackpool 2012 Debrief Goodies!

‘Twas a fine cool clear day and ideal for a:

barcamp Blackpool 2012

Rather than a whimsical seaside story, here’s a brief rundown of various bits that I noticed. Those wanting the thousands of words, please skip down to the pretty pictures 🙂 Others have also posted their various other pictures/videos.

This year the barcamp . . . → Read More: barcamp Blackpool 2012 Debrief Goodies!

dd your mbr

Sorry, if you don’t know what dd or mbr are, you need to do some more reading up first 😉

 

Some self-explanatory code snippets seen elsewhere as a good reminder for old-style partition tables:

# To save the MBR to a file (contains the partition table also): dd if=/dev/sdX of=sdX-mbr-full bs=512 count=1

# To . . . → Read More: dd your mbr