Sunday, March 16, 2014

[HOW TO] Set display color profile in Xubuntu

In this article we'll learn how to set a color profile in Xubuntu.

Install

First we need to install xcalib. Open a terminal window and run:

sudo apt-get install xcalib -y

Load

To load an ICM profile, run this command:

xcalib profile.icm

Reset

To revert changes, run this command:

xcalib -c

Load at startup

Simply add an new entry and set the command as "xcalib profile.icm". If you need help adding a program to Xubuntu's startup see this.

References

How do you set system display color profiles in Xubuntu and Lubuntu?
How to make xcalib always start up automatically?

Tuesday, March 4, 2014

[NEWS] Xubuntu 14.04 Beta 1 Released

Xubuntu 14.04 is the next LTS (long-term supported) release and the first beta is now released and can be downloaded here.

Bellow are the main highlights and known issues.

Highlights

  • Light Locker replaces xscreensaver for screen locking, a setting editing GUI is included
  • The panel layout is updated, and now uses Whiskermenu as the default menu
  • Mugshot is included to allow you to easily edit your personal preferences
  • MenuLibre for menu editing, with full Xfce support, replacing Alacarte
  • A community wallpapers package, which includes work from the five winners of the wallpaper contest
  • GTK Theme Config to customize your desktop theme colors
  • Updated artwork, including numerous enhancements to themes

Known Issues

  • xfdesktop crashes after logging in to the desktop
  • Thunar doesn’t automatically mount removable devices and media
  • Network shares aren’t shown on the desktop
  • Wallpaper selection dialogue empty

References

Xubuntu 14.04 Beta 1

Saturday, February 15, 2014

[TIP] Reload udev rules without restarting

Problem

You want to apply a new udev rule without having to restart the system.

Solution

Open a terminal window and run:

sudo udevadm control --reload-rules

References

How to reload udev rules without reboot?

Saturday, February 1, 2014

[TIP] Multi Monitor Full Screen Flash

You are extending your desktop on a second monitor and you want to play a full screen flash video, while working on the other monitor. If you use the other monitor the video will exit the full screen. Let's learn how to prevent this.

Solution

  1. First we need to install GHex and use it to open libflashplayer.so; open a terminal window and run:
  2. sudo apt-get install ghex -y && sudo updatedb && sudo ghex `locate libflashplayer.so`
    
  3. On GHex main window select Edit > Find and type _NET_ACTIVE_WINDOW. Click Find.

  4. Close the Find window and replace the N with an A:

  5. Save the file (File > Save ) and restart your browser.

NOTE: You will need to repeat this steps if flash gets updated.

References

UBUNTU MULTI-MONITOR TWEAKS (FULL SCREEN FLASH FIXES, SPAN WALLPAPER ACROSS MONITORS, MORE)

Tuesday, January 21, 2014

[HOW TO] Easily upgrade Xubuntu 12.04 kernel to 3.8

In this article we'll learn an easy way to upgrade the kernel of Xubuntu 12.04 to version 3.8.

Upgrade kernel to 3.8

Open a terminal window and run:

sudo apt-get install linux-generic-lts-raring -y

References

What is the best way to upgrade the kernel in 12.04.3?

Wednesday, January 15, 2014

[SOLVED] adb no such file

Symptom: When adb is run a "no such file" error occurs:

Note: This is also valid for aapt.

Fix

Open a terminal window and run:

sudo apt-get install libc6:i386 libstdc++6:i386 zlib1g:i386 -y

References

No such file or directory for existing executable

[HOW TO] Install Lastest Blender in Xubuntu

Blender is a free and open source 3D animation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation.

In this article we'll add a PPA so that Blender gets automatically updated to the latest version.

Blender 2.69 running on Xubuntu 13.10.
Blender 2.69 running on Xubuntu 13.10.

Install

Open a terminal window and run:

sudo add-apt-repository ppa:irie/blender -y && sudo apt-get update && sudo apt-get install blender -y

If you are using NVidia graphic card with CUDA you might want to install Blender's CUDA support. This will allow you to render using the GPU instead of the CPU. Run the following command on a terminal window:

sudo apt-get install nvidia-cuda-toolkit -y

After installing the CUDA toolkit you need to enable it. Open Blender's User Preferences > System and on Compute Device, select CUDA.

Enabling CUDA on Blender
Enabling CUDA on Blender

Usage

Blender can be accessed via Applications Menu > Graphics > Blender or typing the following command: blender.

References

PPA for Blender 2.4 and 2.6