Articles posted on 2014

Raspberry Pi - Low cost CCTV

A good tutorial on creating a low cost surveillance camera using the raspberry Pi camera module and one of thos fake surveillance camera things. Instructables has a good tutorial on creating a low cost surveillance camera. Essentially makes use of a Pi, the Camera module and fitted into one of those inexpensive fake surveillance cameras. ...

Resizing a Linux RAID

It is possible to migrate the whole array to larger drives (e.g. 250 GB to 1 TB) by replacing one by one. In the end the number of devices will be the same, the data will remain intact, and you will have more space available to you. Extending an existing RAID array In order to increase the usable size of the array, you must increase ...

Wi-Fi Sd Cards

My latest weekend project. Making a normal digital camera WIFI enabled. With the Transcend Wi-Fi SD Card you can convert any digital camera into a Wi-Fi enable camera. What I did here is to set it up so that it would automatically upload photos whenever I turn the camera on while at home. The nice thing about this camera is that it runs a fully functional Linux environment within the card. The manufacturer was also nice enough to give you the opportunity to customize the card by running arbitrary shell scripts from the SD card itself. My code is in github. ...

Raspberry Pi Weekend project

So finally took the time to try out a Raspberry Pi. For this weekend project wanted to do something relatively simple. Essentially, I wanted to recreate/enhance the functionality of a TL-WR702N. The TL-WR702N Nano Router is a neat device but being closed, can not be customized to what I wanted. It can be used in the following modes: ...

DVD archiving

This is my simple procedure for backing up my DVD movies: Examine the DVD: dvdbackup -i /dev/sr0 -I Create a full backup: dvdbackup -i /dev/dvd -o ~ -M Creating an ISO: ...

Private vs. Personal

In Microsoft Outlook has the option to tag e-mails with a sensitivity tag. Technically this is fairly meaningless. However sometimes I like to use them. The confidential tag is quite self explanatory. I always confuse what is the difference between private and personal. So here is one possibility... Personal information are things like preferences, political association, likes and dislikes. Private information are things like bank account numbers. Stuff that you probably would like to keep secret. ...