Archives For Howtos

How to Install sView in Ubuntu 13.04, 12.04, 12.10, Linux Mint

Published: August 30, 2013 — Last updated: August 30, 2013

As you may know, sView is a stereoscopic 3D media player which plays 3D images, videos, CAD models. For each sort of media sView provides independent application with customized user-friendly interface.

The 3D Image Viewer displays images and photos in most popular formats including JPEG, PNG, MPO, BMP, EXR, TGA, WebP and many others. Actual decoding performed by FFmpeg framework, and, optionally, DevIL and FreeImage libraries.

The supported formats of 3D Movie Player is very large thanks to FFmpeg framework including MKV, WebM, OGM, AVI, FLAC, RMVB and many others.

sview movie player

The Tiny CAD Viewer loads and displays CAD models supported by OpenCASCADE Technology framework (BREP, IGES, STEP). Viewer supports different presentation modes including orthogonal and perspective projection matrices as well as stereoscopic output.

Install sView via PPA

The official ppa repository supports Ubuntu 13.04, Ubuntu 12.04, Ubuntu 12.10, Ubuntu 10.04, Ubuntu 11.10 and their derivatives, such as Linux Mint and Elementary OS.

To install it, press Ctrl+Alt+T on your keyboard to open terminal. Run below commands one by one:

sudo add-apt-repository ppa:sview/stable

sudo apt-get update

sudo apt-get install sview

Once installed, you can open the app from Unity Dash. Or choose open with sview in files’ right-click menu.

How to Change CPU Frequency in Ubuntu, Linux Mint, Elementary OS

Published: August 29, 2013 — Last updated: September 30, 2013

This simple tutorial shows you how to easily change the CPU frequency via indicator applet in Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04 and their derivatives, such as Linux Mint and Elementary OS.

cpu frequency indicator

Indicator-freq is an applet for displaying and change cpu frequency on the fly. Also it allows to choose powersaving mode to save power.

To install this indicator, open Ubuntu Software Center and search for and install the indicator-cpufreq package.

install cpu frequency indicator

That’s it. Enjoy!

How to Install GCC 4.8 via PPA in Ubuntu 12.04, 13.04, 10.04

Published: August 26, 2013 — Last updated: August 26, 2013

Want GCC 4.8 with c++11 complete feature? Well here’s how to install it in Ubuntu 12.04, Ubuntu 13.04, Ubuntu 12.10 via the PPA.

The PPA provides both GCC 4.7.3 and GCC 4.8.1 for Ubuntu users. In this tutorial, you can follow below steps to upgrade gcc version in your system.

1.) Press Ctrl+Alt+T on your keyboard to open terminal. When it opens, run below commands to add the ppa:

sudo add-apt-repository ppa:ubuntu-toolchain-r/test

2.) Then install gcc 4.8 and g++ 4.8:

sudo apt-get update; sudo apt-get install gcc-4.8 g++-4.8

3.) Once installed, run following commands one by one to use gcc 4.8 instead of previous version.

sudo update-alternatives --remove-all gcc 

sudo update-alternatives --remove-all g++

sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 20

sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 20

sudo update-alternatives --config gcc

sudo update-alternatives --config g++

Now you have the gcc 4.8 with c++11 complete feature in your system. Check out by:

gcc --version

gcc (Ubuntu 4.8.1-2ubuntu1~13.04) 4.8.1
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

R Statistical PackageIf you have problem installing R statistical package via the official document. Here’s easy guide with pictures shows you how to install R package in Ubuntu 13.04, Ubuntu 12.04, Ubuntu 12.10, Ubuntu 10.04.

R Package is available in Ubuntu Software Center by default, but it’s old. This tutorial will install the latest verson – so far it is 3.0.1 – in Ubuntu via the via official repository.

Add R Statistical Package Repository:

Search for and open Software & Updates from unity dash home.

software&updates

Navigate to Other Software tab, click Add and paste below line in pop-up window.

For Ubuntu 12.04: deb http://cran.stat.ucla.edu/bin/linux/ubuntu precise/

For Ubuntu 13.04: deb http://cran.stat.ucla.edu/bin/linux/ubuntu raring/

For Ubuntu 12.10: deb http://cran.stat.ucla.edu/bin/linux/ubuntu quantal/

For Ubuntu 10.04: deb http://cran.stat.ucla.edu/bin/linux/ubuntu lucid/

add r package repository

You can change “cran.stat.ucla.edu” to other mirrors.

Install R Statistical Package:

After added the repository, press Ctrl+Alt+T on your keyboard to open terminal. When it opens, run below command to get the key:

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E084DAB9

add r package keyring

Finally, you can use Synaptic Package Manager (install it from Ubuntu Software Center) to install R Package.

install r package ubuntu

This tutorial shows how to install older & newer versions of python in Ubuntu. Felix Krull has created a PPA that contains multiple python versions:

  • python 2.4.6 for Ubuntu 10.04, Ubuntu 12.04, Ubuntu 12.10, Ubuntu 13.04, Ubuntu 11.10, Ubuntu 11.04
  • python 2.5.6 for Ubuntu 10.04, Ubuntu 12.04, Ubuntu 12.10, Ubuntu 13.04, Ubuntu 11.10, Ubuntu 11.04
  • python 2.6.8 for Ubuntu 13.04, Ubuntu 12.04, Ubuntu 12.10
  • python 2.7 for Ubuntu 10.04, Ubuntu 10.10
  • python 3.1 for Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04, Ubuntu 11.10
  • python 3.2 for Ubuntu 13.04, Ubuntu 10.04
  • python 3.3 for Ubuntu 12.04, Ubuntu 11.10, Ubuntu 10.04

To add the ppa, run below command in terminal:

sudo add-apt-repository ppa:fkrull/deadsnakes

Then update package lists:

sudo apt-get update

To install python 2.4 in Ubuntu 12.04, etc. run below command:

sudo apt-get install python2.4

To install python 2.5 in Ubuntu 12.04, etc. run:

sudo apt-get install python2.5

To install python 2.6 in Ubuntu 12.10, Ubuntu 12.04, run:

sudo apt-get install python2.6

To install python 2.7 in Ubuntu 10.04, Ubuntu 10.10

sudo apt-get install python2.7

To install Python 3.2 in Ubuntu 12.04:

sudo apt-get install python3.2

To install Python 3.3 in Ubuntu 12.04:

sudo apt-get install python3.3

Want to customize the notification bubbles? Well, here I’ll tell you how to move its location, change text color, enable close bubble on click in Ubuntu 13.04 Raring, Ubuntu 13.10 Saucy.

change location of notification bubble

The default Notification Bubbles – NotifyOSD – is not customizable in Ubuntu. Leolik provides a patched (configurable) NotifyOSD in his PPA which allows to change:

  • colors
  • size of the bubbles, font size, icon size, corner radius
  • opacity
  • timeout
  • position on the screen (top-right, middle-right, bottom-right, bottom-left, middle-left, top-left)
  • disable fade out
  • click anywhere on the notification to close it

To install this customizable notification bubbles in Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04, Ubuntu 11.10, Ubuntu 11.04. Press Ctrl+Alt+T to open terminal, run below commands one by one:

sudo add-apt-repository ppa:leolik/leolik 

sudo apt-get update

sudo apt-get install notify-osd

Once installed, run command to restart the service:

pkill notify-osd

Now install a graphical tool to configure NotifyOSD. Run below commands one by one in terminal:

sudo add-apt-repository ppa:nilarimogard/webupd8

sudo apt-get update

sudo apt-get install notifyosdconfig

After that, you can use this tool to customize your notifications:

configure notification

To change the location, run below command in terminal:

gsettings set com.canonical.notify-osd gravity NUMBER

Where the NUMBER can be:

1 – top-right corner
2 – middle-right
3 – bottom-right corner
4 – bottom-left corner
5 – middle-left
6 – top-left corner

rabbitVCS As you may know, RabbitVCS is a graphical front-end for version control systems available on Linux. It integrates into file managers to provide file context menu access to version control repositories.

The project was originally called NautilusSvn, but due to the desire to support file managers in addition to Nautilus and more version control systems, it was renamed to RabbitVCS (Version Control System). The interface was inspired by TortoiseSVN, recognisable by the file manager shell integration, which is available on Nautilus and Thunar in the case of RabbitVCS. It can also integrate into Gedit or run independently on the command line.

Install RabbitVCS via PPA:

The RabbitVCS PPA supports Ubuntu 13.04, Ubuntu 12.04, Ubuntu 12.10, Ubuntu 11.10, Ubuntu 10.04 and their derivatives, such as Linux Mint and Elementary OS.

Press Ctrl+Alt+T on your keyboard to open terminal. When it opens run commands to add the PPA:

sudo add-apt-repository ppa:rabbitvcs/ppa

Then update system package lists via:

sudo apt-get update

Install the packages:

sudo apt-get install rabbitvcs-nautilus3 rabbitvcs-thunar rabbitvcs-gedit rabbitvcs-cli

That’s it. Enjoy!

This simple and brief tutorial shows you how to install Hulu Desktop client in Ubuntu 13.04, Ubuntu 12.04, Linux Mint and Elementary OS.

hulu desktop in ubuntu

It’s easy to install Hulu Desktop App in Debian / Ubuntu based systems, because the official website provides the DEB package for downloading.

Before gettings started, you may check your system type (32-bit or 64-bit) by System Settings -> Details.

Press Ctrl+ALt+T on your keyboard to open terminal. When it opens, run command to download Hulu Desktop client:

  • 64-bit Systems
    wget http://download.hulu.com/huludesktop_amd64.deb
  • 32-bit systems:
    wget http://download.hulu.com/huludesktop_i386.deb
  • Now, install the deb package:

    sudo dpkg -i huludesktop_*.deb

    hulu desktop in uninty

    Vim 7.4 has been released. Since 7.3 more than a thousand improvements have been made. Also a lot of bugs has been fixed. This simple tutorial will show you how to install or upgrade Vim 7.4 in Ubuntu 12.10, Ubuntu 13.04, Ubuntu 12.04 via PPA.

    Vim 7.4

    NOTE: The PPA contains the unofficial builds of fresh Vim development versions. Use it at your own risk!

    To get started, press Ctrl+Alt+T on your keyboard to open terminal. When it opens, run command to add the PPA:

    sudo add-apt-repository ppa:nmi/vim-snapshots

    Then update and install Vim:

    sudo apt-get update; sudo apt-get install vim

    Once installed, you can do “:help version7.4” while using vim editor to check all changes.

    To remove / downgrade Vim, run below commands:

    sudo apt-get install ppa-purge; sudo ppa-purge ppa:nmi/vim-snapshots

    Upgrade FileZilla in UbuntuFileZilla has reached 3.7.x. This tutorial shows you how to install or upgrade in Ubuntu 13.04, Ubuntu 12.04, Ubuntu 13.10, Ubuntu 12.10 via PPA.

    FileZilla 3.7 brings a lot of bug fixes and improvements. Here are some of them:

  • Show total transfer speed as tooltip over the transfer indicators
  • List supported protocols in tooltip of host field in quickconnect bar
  • Use TLS instead of the deprecated term SSL
  • Reworded text when saving of passwords is disabled, do not refer to kiosk mode
  • Improved usability of Update page in settings dialog
  • Improve SFTP performance
  • When navigating to the parent directory, highlight the former child
  • When editing files, use high priority for the transfers
  • Add label to size conditions in filter conditions dialog indicating that the unit is bytes
  • Ignore drag&drop operations where source and target are identical and clarify the wording in some drop error cases
  • Trim whitespace from the entered port numbers
  • Slightly darker color of inactive tabs
  • Ignore .. item in the file list context menus if multiple items are selected
  • Display TLS version and key exchange algorithm in certificate and encryption details dialog for FTP over TLS connections.
  • Install / Upgrade FileZilla 3.7.x

    Press Ctrl+Alt+T on your keyboard to open terminal. When it opens, run below commands one by one to install it from PPA. So far, it supports Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04 and their derivatives.

    sudo add-apt-repository ppa:yofel/ppa
    
    sudo apt-get update; sudo apt-get install filezilla

    Being a PPA also contains updated versions of other programs that you may not want, my advice is to remove the PPA after the installation of Filezilla 3.7.x:

    sudo add-apt-repository-r ppa: yofel/ppa

    That’s it. Enjoy!