How to extract / uncompress tar gz file
Supposed you have a tar.gz file or tar.bz2 file, here is how you can extract them using the tar function. Type at the command prompt. Make sure you have the ownership and permission of the file. tar -xvzf file-1.0.tar.gz – to uncompress a gzip tar file (.tgz or .tar.gz) tar…
Best Linux Distro for Beginner: Linux Mint better than Ubuntu
Why is Mint better than Ubuntu? The system Menu. Linux Mint’s menu is simpler than Ubuntu’s. Very easy to navigate, and looks similar to KDE style menu in KDE desktop. The Update Manager. Mint’s update program seggregates updates into different levels of importance. Default Software. Mint’s default choice of applications…
Raspberry Pi microphone setup with USB sound card
Two options of attaching a microphone into Raspberry Pi. One is to have USB mic, another to have an external USB sound card. Regardless the choice, the following instruction will work in setting up some basic microphone setup, before doing something cool like recording music, or experimenting with voice recognition…
Log into Raspberry Pi using Ethernet / Crossover cable ‘painlessly’
There are a few painful ways to share Internet connection on your Raspberry Pi without Wifi access, a hub, or a router. This is a perfect setup when you have limited Ethernet port or no wireless access card.There are a few instances where we have to connect to a public Wifi,…
Arduino Temperature & Humidity Sensor
This tutorial will use DHT22 sensor which has the following characterisitics: Low cost 3 to 5V power and I/O 2.5mA max current use during conversion (while requesting data) Good for 0-100% humidity readings with 2-5% accuracy Good for -40 to 125°C temperature readings ±0.5°C accuracy No more than 0.5 Hz…
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