Category Archives: Tips
CryptSync, a simple alternative to protect your files for sharing
CryptSync is simple and easy to use tool to synchronize 2 folders, where the files in the destination folder are encrypted. (CryptSync is using 7-Zip for the encryption.) In this way, one can perform client side encryption when sharing several … Continue reading
Portable OCR tools to extract text from scanned pages
In addition to previously mentioned gImageReader, these 2 other portable OCR tools worked well in the following scenarios: For adding text overlay into a scanned PDF file (book/document): PDF-XChange Viewer Portable with OCR function For capturing text on the computer … Continue reading
Converting ISO 27002 into an excel and a graph
ISO 27002 “Code of practice for information security controls” list 144 controls with the same structure for all the controls. If one would like to work on these controls, like reusing them in another documentation or doing a presentation etc, … Continue reading
OpenWrt, an alternative for improving network security at home with firewall and web proxy
Introduction OpenWrt is a Linux distribution that can be loaded into many wireless routers by replacing the original firmware with OpenWrt firmware. The picture below shows 2 such routers, together with Raspberry Pi on the right for comparison. My interest … Continue reading
Second test, trying to use hand-cranked dc motor to charge USB devices (3 Watts working!)
Finally some good news and results. With a 12V DC motor, when used as a generator, it is possible to deliver close to 3.5 W for charging an android phone! This is a continuation to the previous blog. Working setup … Continue reading
First test, trying to use hand-cranked dc motor to charge USB devices
Background I tried one hand power cell phone emergency charger with disappointing results. The device is very small, and it comes with a promizing USB connector. But when trying to charge either a USB power bank or mobile phone, it … Continue reading
Sandboxie, for improved protection of your internet browsing sessions
Antivirus and firewall on your home computer are not protecting you from all malware. Depending on your browsing habits, and which kind of downloads you are doing, and from where, you also would benefit from VPN, network firewall and sandboxing. … Continue reading