Operating Systems

The use of H.265/HEVC video codec is increasing day by day since it is easy to achieve the best video quality in small size (best compression). Most of the players will play the media containing H.265/HEVC codec. If player does not then one must install H.265/HEVC decoder in the system. Let see how to install H.265/HEVC decoder in Ubuntu Desktop: …

Sometimes working from command line might require to know which shell you are currently using. To find out the current working shell, below steps will be helpful: Try below command first: ps -p $$ Output: PID TTY TIME CMD 2248 pts/8 00:00:00 bash Another command which also works on MAC OS and other Linux distributions: echo $0 Output: -bash The …

Ubuntu is one of the widely used desktop operating system in the open source world. Like Recycle Bin in Windows, Ubuntu has Trash to store the deleted files and retrieve them anytime. Sometimes, deleting all the contents from Trash may take a longer time or it may hang up your system. In this case, deleting single file will be a …

If you are using Fedora 14 and trying to fetch updates for your system or install any new package, you might end up with error [Errno 14] HTTP Error 404 - Not Found Trying other mirror. This is because Fedora 14 repositories are archived which means that the links have been changed. So, its time to update your fedora repo …

A vulnerability Shell Shock CVE-2014-6271) was discovered on September 24th, in the Bash shell on Linux/Unix based servers. Overview GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact via a crafted environment, as demonstrated by vectors …

Skype has stopped supporting older version than 4.3 due to the new security implementations. This has forced many Ubuntu users to upgrade the Skype version to at least 4.3. To install Skype 4.3 on Ubuntu Desktop 10.04/12.04/12.10/13.10/14.04: 1) Remove older version of skype sudo apt-get remove skype skype-bin sudo apt-get remove skype skype-bin 2) Download the package from official skype link …