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How to Install Rekonq 2.4.2 in Ubuntu 14.04, 13.10, 13.04, 12.04

Last updated: January 13, 2014

Rekonq is a web browser for KDE based on WebKit. Rekonq 2.4.2 has been released recently and here’s how to install it in Ubuntu, Linux Mint and their derivatives while the Kubuntu Backports PPA still has version 2.3.2.

Recently changes in rekonq:

rekonq 2.4.2

  • clear urlbar action added
  • global zoom settings added
  • faster suggestions in the urlbar
  • work around favicons
  • default tab width changed
  • doc update
  • bugfixes

rekonq 2.4.0:

  • added a simple ssh sync handler
  • adblock improvements
  • work on startup settings: load important things before, UI and then last things in the background

Install Rekonq:

Press Ctrl+Alt+T on keyboard to open terminal. When it opens, run below command to add the PPA for Ubuntu 14.04, Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04:

sudo add-apt-repository ppa:ubuntuhandbook1/apps

Ubuntu 12.04 and Ubuntu 12.10 users also need the KUbuntu Backports PPA:

sudo add-apt-repository ppa:kubuntu-ppa/backports

Finally update and install the browser:

sudo apt-get update; sudo apt-get install rekonq

rekonq web browser

In Howtos ,
 

Install G’MIC Plugin For GIMP in Ubuntu Linux via PPA

Last updated: January 11, 2014

The G’MIC plug-in for GIMP proposes a set of various filters to apply on your images, including artistic effects, image denoising and enhancement algorithms, 3D renderers, etc. It is a quite large plug-in, integrating a lot of different effects.

This plug-in is able to :

  • Propose an image preview window for each available filter.
  • Manage multi-layers inputs and outputs. G’MIC defines filters to compose layers or create animations from static images.
  • Update his list of filter definitions from the Internet, so it is able to improve itself over time.
  • Allow any user to add its own custom filters in it, written in the G’MIC language interpreted by the internal image processing engine.

Install G’MIC Plugin in Ubuntu:

Thanks to Otto Meier, the GIMP PPA maintainer has built this plugin and standalone app into PPA, available for Ubuntu 14.04, Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04, Linux Mint and their derivatives.

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

sudo add-apt-repository ppa:otto-kesselgulasch/gimp

After that, checking for updates via:

sudo apt-get update

Install the plugin for Gimp:

sudo apt-get install gimp-gmic

Once done, you can access the plugin from gimp menu Filters -> G’MIC….

You can also install the standalone (command line) app via:

sudo apt-get install gmic

Get help from its man page.

In Howtos ,
 

How to Install Hugin 2014.0 Beta via PPA in Ubuntu Linux

Last updated: January 10, 2014

Hugin is an easy to use panoramic imaging toolchain based on Panorama Tools. With Hugin you can assemble a mosaic of photographs into a complete immersive panorama, stitch any series of overlapping pictures and much more.

The first beta of Hugin 2014 has been released. Here’s how to install it in Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04, Linux Mint and their derivatives.

What’s New in Hugin 2014.0:

  • inherit many of the libpano improvements (of version 2.9.19)
  • the translation plane variables Tpy and Tpp have been added to the GUI (better support for translation parameters, e.g. for nadir images. A pano with translation parameters can now be rotated)
  • improvement of the GPU remapping code (bug fixes in the glue code, added some missing GPU transformations. Now fisheye lenses are supported by GPU code as well)
  • better support for line control point in Control points tab (it still requires that the same image is displayed left and right for full features, but also better support for line control points above several images)
  • obsolete programs matchpoint, nona_gui and PTBatcher have been removed
  • outdated translations have been removed from the default install
  • initialize the colour balance values during loading with EXIF values (this information is only stored and decoded by some cameras (mainly models by Panasonic, Pentax, Olympus, Nikon))
  • improved the assistant
  • allow customization of exiftool command used to copy metadata to output images

New tools added:

  • pto_mask: manipulate mask in project file
  • pto_template: apply template to project file
  • pto_move: move or copy project files with all associated images

Install Hugin:

The current stable version is available in Ubuntu universe repository, just search for and install it in Ubuntu Software Center.

If you’d like to try the Hugin 2014.0 beta, press Ctrl+Alt+T on keyboard to open terminal. When it opens run below commands one by one:

sudo add-apt-repository ppa:hugin/next

sudo apt-get update

sudo apt-get install hugin

Hugin Homepage

In Howtos ,
 

How to Install MKVToolNix 6.7 (mkvmerge GUI) in Ubuntu Linux

Last updated: January 10, 2014

mkvmerge GUI has been updated to version 6.7 recently with enhancements and various bug fixes. This simple tutorial shows you how to install or upgrade it in Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04 from its official repository.

Changes in mkvmerge GUI:

  • fixed faulty timing informations for H264/AVC
  • fixed mapping of MKV elements
  • support for muxing OPUS/WEBM
  • reading of DTS audio tracks for MP4 video files
  • improved AAC, AC3 and MP3 header decoding
  • enhanced reading of uncompressed PCM audio tracks from QUICKTIME and MP4
  • See the release note for details.

How to Install mkvmerge:

Press Ctrl+Alt+T on keyboard to open terminal. When it opens, run commands below one by one to install the tool:

sudo add-apt-repository "deb http://www.bunkus.org/ubuntu/saucy/ ./"

wget -O - http://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -

sudo apt-get update

sudo apt-get install mkvtoolnix mkvtoolnix-gui

You may replace saucy for Ubuntu 13.10 with raring for Ubuntu 13.04, quantal for Ubuntu 12.10, or precise for Ubuntu 12.04.

For those who hate Linux commands:

1. go to this page

2. select your Ubuntu editon -> binary

3. Choose your system type amd64 (64-bit) or i386 (32-bit). Check it out in System Settings -> Details.

4 Download and install the latest .deb package.

In Howtos ,
 

RawTherapee 4.0.12 Released with New Tools & Speed Improvements

Last updated: September 11, 2019

RawTherapee, a cross-platform raw image processing program now is at version 4.0.12. The new release brings many new tools, a whole bunch of speed improvements and bug fixes.

RawTherapee 4.0.12 should be considered a release candidate for version 4.1. That will be the first officially stable version which will be released later this month if no major issues are found with 4.0.12.

What’s New in RawTherapee 4.0.12:

  • Graduated Filter
  • Post-crop Vignette Filter
  • Powerful Black-and-White tool
  • New curves:
    • Luminance according to hue (LH)
    • Chromaticity according to hue (CH)
    • Hue according to hue (HH)
    • Chromaticity according to luminance (CL)
  • Contrast by Detail Levels tool (wavelet decompose) now has 5 levels
  • Auto Levels improved
  • Image dimensions added to (i) info
  • White Balance slider non-linear for easier control of low and high values
  • Noise Reduction tool allows targetting of specific colors (e.g. remove yellow blotches)
  • Pre-demosaic automatic removal of chromatic aberration improved
  • New output queue template variables %s(0-9)
  • New File Browser shortcuts, revision of existing shortcuts (refer to RawPedia)
  • New Custom Profile Builder parameters
  • Bundled and user profiles in separate submenus
  • camconst.json for immediate addition or correction of raw file format support
    • White and black levels
    • Color matrix
    • Crop coordinates
  • dcraw 9.19
  • The main histogram now shows color levels using the Output Profile
  • Enhanced lens info and filter possibilities for manual Nikon lenses
  • Added support for
    • Kodak DCS 760 and 760s
    • Various medium-format backs
  • New DCP profiles for
    • Canon PowerShot S110
    • Fujifilm FinePix S9500
    • Pentax K-5
    • Pentax K-5 II
    • Pentax K-r
  • Support for Capture One ICC profiles
  • All Bundled Processing Profiles (PP3) revised

There’s also a notable change that Ctrl+q is used to (q)uit RawTherapee and Ctrl+b is used to send the currently open image in the Editor tab to the (b)atch Queue since this release.

Install / Upgrade RawTherapee in Ubuntu:

Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04 and Linux Mint users can install / upgrade RawTherapee via PPA.

To get started, press Ctrl+Alt+T on keyboard to open terminal. When it opens, run below commands one by one:

sudo add-apt-repository ppa:dhor/myway

sudo apt-get update

sudo apt-get install rawtherapee

via:rawtherapee.com

In News ,
 

HPLIP 3.14.1 Released with Security Fixes, Install it in Ubuntu

Last updated: January 10, 2014

HPLIP, an HP-developed solution for printing, scanning, and faxing with HP inkjet and laser based printers in Linux now is at version 3.14.1. This release mainly fixed two security fixes and added digital signature validation in upgrade feature.

As you may know, HPLIP is free, open source software distributed under the MIT, BSD, and GPL license. provides printing support for 2,295 printer models, including Deskjet, Officejet, Photosmart, PSC (Print Scan Copy), Business Inkjet, LaserJet, Edgeline MFP, and LaserJet MFP. (Note: Not all models are currently supported. See Supported Printers for more information.)

HPLIP 3.14.1 fixed below issues:

  • CVE-2013-6427: hplip: insecure auto update feature
  • CVE-2013-6402: hplip: insecure temporary file handling in pkit.py

Download & Install HPLIP:

1. Download the .run file from sourceforge page.

2. Right-click on the file and go to its Properties window, under Permissions tab check the box “Allow executing file as program”

3. Press Ctrl+Alt+T on keyboard to open terminal. When it opens run below command to start the installer:

./Downloads/hplip-3.14.1.run

Answer the questions and you’ll finally get the latest version of HPLIP installed on your system.

In Howtos
 

Kernel 3.10.26 LTS Released, How to Install it in Ubuntu Linux

Last updated: January 10, 2014

The Long Term Support Linux Kernel 3.10 series now is at the 26th update. Greg Kroah-Hartman announced this release on January 9 and urged users of this Kernel series to upgrade as soon as possible.

The Kernel 3.10.26 brings various improvements to ARM, PowerPC and x86 architectures, several improvements to the EXT4, GFS2, Ceph and JBD filesystems, and updated drivers, including USB, wireless, i915, Radeon. See the Changelog

Install / Upgrade Kernel 3.10.26:

The Ubuntu Kernel Team has made the Deb packages which are available in this page. If you’re comfortable with command line, follow the below steps to download & install them.

1. Press Ctrl+Alt+T on keyboard to open terminal and run commands below one by one to download Kernel Debs:

For 32 bit system:

cd /tmp/ && wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10.26-saucy/linux-headers-3.10.26-031026-generic_3.10.26-031026.201401091635_i386.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10.26-saucy/linux-headers-3.10.26-031026_3.10.26-031026.201401091635_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10.26-saucy/linux-image-3.10.26-031026-generic_3.10.26-031026.201401091635_i386.deb

For 64 bit system:

cd /tmp/ && wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10.26-saucy/linux-headers-3.10.26-031026-generic_3.10.26-031026.201401091635_amd64.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10.26-saucy/linux-headers-3.10.26-031026_3.10.26-031026.201401091635_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10.26-saucy/linux-image-3.10.26-031026-generic_3.10.26-031026.201401091635_amd64.deb

2. Install the Kernel:

cd /tmp/ && sudo dpkg -i linux-headers-3.10.26-*.deb linux-image-3.10.26-*.deb

Restart your computer and done.

If you’re using a proprietary video driver, you may need to re-build or re-install to get it work with the new kernel.

If for some reason this kernel release doesn’t work properly for you, reboot into previous kernel (Grub -> Advanced -> select previous kernel) and run commands to remove Linux Kernel 3.10.26:

sudo apt-get remove linux-headers-3.10.26-* linux-image-3.10.26-*
In Howtos ,
 

Install / Upgrade to Kernel 3.12.7 in Ubuntu Linux Mint

Last updated: January 10, 2014

The latest Linux Kernel 3.12.7 has been announced a few hours ago. According the to changlog, Kernel 3.12.7 brings various improvements to ARM, PowerPC and x86 architectures, several improvements to the EXT4, GFS2, Ceph, JBD and CIFS filesystems, some sound and core enhancements, as well as numerous updated drivers, including USB, wireless, i915, Radeon, and more. See the changelog

This simple tutorial is going to show you how to install or upgrade to this kernel release in Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04, Linux Mint and their derivatives.

Install / Upgrade Kernel 3.12.7:

Ubuntu Kernel Team has made the DEB packages available in this page. If you’re comfortable with command line, follow below steps to download & install them.

1. Download the Kernel Debs:

For 32 bit system, open terminal by Ctrl+Alt+T and run below commands:

cd /tmp/ && wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12.7-trusty/linux-headers-3.12.7-031207-generic_3.12.7-031207.201401091657_i386.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12.7-trusty/linux-headers-3.12.7-031207_3.12.7-031207.201401091657_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12.7-trusty/linux-image-3.12.7-031207-generic_3.12.7-031207.201401091657_i386.deb

For 64 bit system:

cd /tmp/ && wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12.7-trusty/linux-headers-3.12.7-031207-generic_3.12.7-031207.201401091657_amd64.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12.7-trusty/linux-headers-3.12.7-031207_3.12.7-031207.201401091657_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12.7-trusty/linux-image-3.12.7-031207-generic_3.12.7-031207.201401091657_amd64.deb

2. Install the DEBs:

cd /tmp/ && sudo dpkg -i linux-headers-3.12.7-*.deb linux-image-3.12.7-*.deb

Restart your computer and done.

If you’re using a proprietary video driver, you may need to re-build or re-install to get it work with the new kernel.

If for some reason this kernel release doesn’t work properly for you, reboot into previous kernel (Grub -> Advanced -> select previous kernel) and run commands to remove Linux Kernel 3.12.7:

sudo apt-get remove linux-headers-3.12.7-* linux-image-3.12.7-*
In Howtos ,
 

Light Table IDE 0.6.0 Released, Now It’s Open Source

Last updated: January 9, 2014

Light Table IDE 0.6.0 has been announced recently with the exciting news that Light Table is now Open Source. All the code is now on Github.

Today Light Table is taking a huge step forward – every bit of its code is now on Github and along side of that, we’re releasing Light Table 0.6.0, which includes all the infrastructure to write and use plugins. If you haven’t been following the 0.5.* releases, this latest update also brings a tremendous amount of stability, performance, and clean up to the party. All of this together means that Light Table is now the open source developer tool platform that we’ve been working towards.

What’s New in Light Table 0.6.0:

  • ADDED: Light Table is now open source
  • ADDED: Plugins!
  • ADDED: Plugin manager via Plugins: Show plugin manager
  • ADDED: Plugins: Submit a plugin command
  • ADDED: Split all the languages into separate plugins
  • ADDED: Beautiful new default theme
  • ADDED: All user settings/plugins are now stored in user data
  • ADDED: Performance tweaks that should make everything faster
  • ADDED: Editor: Jump to definition at cursor command
  • ADDED: Editor: Jump back to where you jumped from command
  • ADDED: Editor: On change execute command behavior
  • ADDED: Editor: Set CodeMirror flags behavior
  • ADDED: Editor: Disconnect clients attached to editor command
  • ADDED: Editor: Open current file in browser command #956
  • ADDED: You can now drop folder/files onto the workspace tree
  • ADDED: a popup asking if you want to update when one is available
  • ADDED: the statusbar is now in it’s own container with find on top of it.
  • ADDED: more hints for the starting state of no workspace
  • ADDED: Jump to definition, and syntax aware autocomplete for Clojure and ClojureScript
  • ADDED: Style: Provide editor theme and Style: Provide skin behaviors so that theming can be done via plugin
  • ADDED: all editors are now backed by first class documents
    • mac: ~/Library/Application Support/LightTable
    • linux: ~/.config/LightTable
    • windows: %APPDATALOCAL%/LightTable
  • CHANGE: All behaviors that were previously lt.objs.langs.* are now lt.plugins.*
  • CHANGE: lt.objs.langs.clj is now lt.plugins.clojure
  • CHANGE: Emacs and Vim are now both plugins to be downloaded via the plugin manager
  • FIX: better LT stacktraces
  • FIX: multiple popups won’t drop focus as they’re closed now
  • FIX: Highlight line is now much faster
  • FIX: scrolling in the command and navigate panes should be orders of magnitude faster.
  • FIX: Auto-complete is now significantly faster
  • FIX: \r\r\n at the end of files on windows #912
  • FIX: :searcher.replace/:searcher.replace-all are missing #949
  • FIX: Light Table won’t open files if editor’s for removed files remain #941
  • FIX: Console sized to zero #932
  • FIX: cljs connection broken with latest CLJS #932
  • FIX: html eval isn’t refreshing the browser #929
  • FIX: Wrap resets after changing tab #905
  • FIX: can’t connect to nrepl in android project #902
  • FIX: The mac .app is now fully self-contained
  • FIX: Tons of clean up to prepare to open source
  • UPDATED: Latest node-webkit
  • UPDATED: Latest CodeMirror
  • UPDATED: Latest vim/emacs mode

See the official announcement.

See this post if you have problem installing the IDE on Ubuntu.

In News ,
 

XnViewMP 0.64 Released with Database Improved, Install in Ubuntu

Last updated: January 9, 2014

XnViewMP image viewer 0.64 has been released recently. This release improved the database so that it loads thumbnails really fast now!

XnViewMP 0.64 also fixed a large number of bugs and added various requested features:

  • “Cut” option is missing in Linux
  • Linux deb install in sbin
  • Switching between Browser/Viewer by keyboard
  • Can’t rename a filename if it contains a colon in Linux
  • Added file associations to the shipped .desktop file
  • Hidden folder not shown on linux
  • Right-click on folder tree doesn’t select
  • Import and copy feature
  • “Properties” don’t work on folders
  • On Windows, when dragging a file into folder treeview, use Move by default if same partition
  • Batch convert and folder with only subfolder
  • DB infos get lost with rename in conflict dialog
  • Paste on selected folder
  • Wrong data in information pane
  • XMP/ExifTool pane slow with long XMP data
  • Browser can’t be closed with mouse click
  • Rating/label shortcut can be modified now
  • Layout saved now contains thumbnail size
  • Filters and adjustements use current selected area
  • Keyboard/mouse settings in Interface pane
  • Synchronize with files (to reload Metadata)
  • and more

Download & Install XnView MP:

For Ubuntu, Linux Mint and Debian, download the .deb package:

XnViewMP-linux.deb (For 32 Bit)

XnViewMP-linux-x64.deb (For 64 Bit)

Windows, Mac OS and other packages are available in official announcement

In News ,