[How To] Install H.265 HEVC codec on Ubuntu

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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: …

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[How To] Find the current working shell

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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 …

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[How To] Empty Trash in Ubuntu from command line

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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 …

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[How To] Find internal/external/public IP address on Linux

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While working from shell with no GUI, you may need to check server internal & external / public IP address. This can be achieved using simple commands as below: To check server internal IP address: /sbin/ifconfig |grep -B1 "inet addr" |awk '{ if ( $1 == "inet" ) { print $2 } else if ( $2 == "Link" ) { …

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[How To] Fix Fedora yum update [Errno 14] HTTP Error 404

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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 …

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[Solved] SocketException Permission denied - CakePHP

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CakePHP is a PHP development framework used in many projects. CakePHP supports sending mail via built in mail functions of PHP, smtp server. One may face following error message while sending mail: SocketException Permission denied - CakePHP The issue is related to the SELinux policy of the OS. SELinux forbid PHP/Apache to make network connections. In this case, one has …

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[Fixed] Zentyal 3.5 NO_PUBKEY error in apt-get update

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Zentyal community edition is one of the widely used application for managing infrastructure. Zentyal pushes frequent updates through Zentyal repositories. One my get following error while upgrading Zentyal: W: GPG error: http://archive.zentyal.org 3.5 Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 8E9229F7E23F4777 Solution: Add the Zentyal 3.5 key so that apt connect to …

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[How To] Disable SSLv3 for Apache in WHM cPanel

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After HeartBleed, Poodle (Padding Oracle On Downgraded Legacy Encryption) is another exploit recently discovered affecting SSL version3. To disable SSL version 3 for Apache in WHM cPanel, you can follow below steps: 1) Login in WHM and go to Service Configuration > Apache Configuration > Include Editor 2) Click on the Pre Main Include and select All Versions option from …

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GIT error: fatal: The remote end hung up unexpectedly

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GIT is one of the widely used source code management software in the IT companies. While using GIT, you may face following error while trying to push the code GIT error: fatal: The remote end hung up unexpectedly Solution: To resolve the issue, increase the http post buffer size and try pushing the code. git config --global http.postBuffer 247286400 Please …

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[How To] Fix Shell Shock Bash vulnerability Linux

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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 …

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[How To] Install Skype 4.3 on Ubuntu 10.04/12.04/12.10/13.10/14.04

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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 2) Download the package from official skype link here. 3) Install the package …

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[Solved] libxslt is missing. please visit http://nokogiri.org

While installing Nokogiri on Ubuntu, you may get stuck with error libxslt is missing. please visit http://nokogiri.org/ The error occurs due to missing dependencies required for installing Nokogiri on Ubuntu. Install dependencies: sudo apt-get install libxslt-dev libxml2-dev Install Nokigiri: sudo gem install nokogiri The more information related to Nokogiri installation can be found here. While installing Nokogiri on Ubuntu, you …

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[Solved] phpmyadmin connection reset error

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phpMyAdmin is a web interface use to work with MySQL database. It is possible to import/export database using phpMyAdmin. Sometimes, while importing/exporting database connection reset error may occur. Possible Reason: The error may occur due to network interruption or PHP memory limit. Solution: If there is no problem with the network connection then try increasing the PHP memory limit by …

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[Solved] phpMyAdmin not found Ubuntu

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Installing phpMyAdmin using apt-get utility in Ubuntu is easy. While browsing phpMyAdmin link, your browser may start displaying error message as Not Found The requested URL /phpmyadmin was not found on this server. Considering that apache2 is used to access phpMyAdmin: 1) Open apache2 configuration in any editor vi /etc/apache2/apache2.conf 2) Include following line in the configuration file Include /etc/phpmyadmin/apache.conf …

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[How To] Convert Camtasia video file Camrec to Avi/MP4

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Camtasia is paid desktop recording software which saves the recorded files in the .camrec format. Such files could not be played by other players than Camtasia. Camtasia .camrec files can be converted to other video files like avi, mp4 using Camtasia itself. There is no need to use any other video converter software. There are two ways to convert the video …

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