Linux

As you know the jpg files made by digital camera very often are large size. If you want easily to optimize jpeg files in Ubuntu terminal, you should install jpegoptim application: sudo apt-get install jpegoptim Usage this app is very simple. Copy...

Sometimes you want to know how is the strength of WiFi signal. It is very useful when you are in a hotel, or you want to diagnose problems with WiFi. In order to check WiFi signal strength in Ubuntu type in terminal: watch -n 1 "awk 'NR==3 {print...

Once upon a time I wanted to check if some ports are open. The network I wanted to check was at my office, and when I forwarded some ports on my Mikrotik I wanted to be sure if I did it correctly. So I started to find solution in the internet and I...

I have an old scanner Mustek 1248UB and I decided to use it on my Ubuntu 12.04 64bit. Of course after plugged it in USB it doesn't work, so I found solution in the internet. BTW Mustek 1248UB is still very popular scanner.     You have to...