Category : "Ubuntu"

Ubuntu tips and tricks

Enable webgl in firefox on ubuntu

WebGL WebGL (Web Graphics Library) is a JavaScript API for rendering interactive 3D graphics and 2D graphics within any compatible web browser without the use of plug-ins. Software based renderer Webgl might not work directly on your system if there is no supporting hardware or graphics card available. Even then webgl can be made available inside firefox through the mesa software based ...

Convert mp3 audio files to ogg on ubuntu

I recently needed to convert some mp3 audio files to ogg format so that the html5 audio tag could play them in mozilla firefox. Had to search a bit to find out how to do this easily and here are the results. There is an excellent application called soundconverter ( soundkonverter for kde users ). Install them on ubuntu as follows $ sudo ...

Display icons on kde desktop without using a folder view

The Kubuntu desktop has a widget called Folder View that can be used to put icons on the desktop. However the widget itself is translucent and hides part of the wallpaper where it is put. I did not like this and looked for ways to remove the opacity of the folder view. However this did not seem easy. There was ...

Close open ports manually in ubuntu

Open ports When doing a lot of socket programming, it often happens that a server program when recompiled/rerun fails to bind to a particular port number because that port number is already in use. To close the port number manually first the process name/id has to be found out that is holding the port open and then use the kill command on ...

Get domain nameservers from commandline in ubuntu linux

Nameservers of a domain name are those servers that are running a DNS service to provide the ip address of a particular domain name. Along with ip address they provide a lot of other information as well. To check the nameservers of a domain name from the commandline/terminal commands like dig, host etc can be used. Lets take a few examples dig NS ...

Dropdown terminal in ubuntu with yakuake and guake

Dropdown terminal is a very useful feature whereby a terminal can pop on the screen just by clicking a button like F12. These are very useful since they provide a quick way to launch the terminal when its used a lot. To get such a terminal on ubuntu use any of the following tools Yakuake Yakuake is a dropdown terminal for KDE desktop. ...

Scan the local network with arp-scan on ubuntu

Arp-scan Arp-scan is a commandline utility for linux that can be used to scan the network of a certain interface for alive hosts. It shows the ip address and mac addresses of all the hosts/nodes found. Project website http://www.nta-monitor.com/tools-resources/security-tools/arp-scan Install on ubuntu $ sudo apt-get install arp-scan The documentation can be found at http://www.nta-monitor.com/wiki/index.php/Arp-scan_Documentation Usage Quick example $ sudo arp-scan --interface=eth0 --localnet Interface: eth0, datalink type: EN10MB (Ethernet) Starting arp-scan 1.8.1 ...

Create and extract tar.gz and tar.bz2 files on ubuntu linux

The most common compressed archive file format in Linux is the tar.gz format. Tar file is an archive file format. Tar.gz is a compressed tar file. Create tar.gz archives The tar command can be used to create tar.gz archives. tar czf new-tar-file-name.tar.gz file-or-folder-to-archive Here is the command explanation: c - create new archive. z - compress the archive using gzip. f - use archive file. new-tar-file-name.tar.gz - the ...

View sqlite database files with sqlitebrowser on ubuntu

SQLite Database Browser is a freeware, public domain, open source visual tool used to create, design and edit database files compatible with SQLite. It is meant to be used for users and developers that want to create databases, edit and search data using a familiar spreadsheet-like interface, without the need to learn complicated SQL commands. Project website http://sqlitebrowser.sourceforge.net/ Install on Ubuntu $ sudo apt-get ...

Best puzzle solving games for ubuntu

Here is a list of most popular puzzle games on Ubuntu Linux Marble Arena 2 Excellent graphics and colorful. This is a game where a marble is to be moved around and points to be collected. Project website http://www.marble-arena.com/ Install on ubuntu 1. Download Linux version from http://www.marble-arena.com/ 2. Install libwebkit1.1-cil from synaptic 3. Extract the zip file 4. Run Marble Arena 2 Launcher Screenshots Neverball In this game also, there is ...



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