Sunday, December 30, 2012

How to: Show All Startup Apps on Ubuntu 12.04 - 12.10

You can disable startup apps in Ubuntu with Startup Applications. By default, some bloatware is hidden on Startup Applications on Ubuntu. But this never means they are unsafe to disable from startup applications list. Lets unhide default startup applications from Ubuntu.

How to:

1- Open Terminal.
2- Paste this command to there:
sudo sed -i 's/NoDisplay=true/NoDisplay=false/g' /etc/xdg/autostart/*.desktop

Now you will see something like this on "Startup Applications".

Friday, December 28, 2012

Fix: Can't Open AMD Catalyst Control Center on Linux (Ubuntu variants and other distros)

After installing AMD drivers you can notice that AMD Catalyst Control Center won't open. No response after clicking the program. Actually your language of distro installation causing this.

1-Find language options of your distro .
2-Set default language English.
3-Reboot and it will work nicely!

Works for: All Linux distros with additional drivers.

Fix: Ubuntu Hangs on Boot after installing GPU drivers | Linux Mint - Elementary OS and all variants

After installing official AMD or Nvidia drivers, you have a chance to stuck on purple boot screen and can't see desktop on Ubuntu 12.04, 12.10 and also for other distros . There is a very simple temporary fix for this. Which is just a key combination.


Press "Ctrl + C" button when your PC hangs on boot screen. Computer will boot normally. And you will see the desktop.

Interesting but it works.

Sunday, December 16, 2012

Remove AMD Testing Use Only Watermark with one click for Ubuntu or any Linux

If you are using Linux and AMD Beta drivers, you will notice AMD Testing Use Only or Unsupported Hardware watermark at bottom right corner. No worries. Deleting it is easy!

How to?
1- Download this script.
2- Run it as superuser and reboot.

Have fun!

For newbies:
How to run the script as superuser? Open terminal, type sudo sh, don't press enter, and drag-drop the script file to terminal window, press enter.

Example: sudo sh '/home/username/Downloads/'

Fix: Enable WebGL on Chrome and Chromium at Linux | Bypass WebGL is not supported error

I noticed bunch of GPU Acceleration features disabled on Linux (Ubuntu, Linux Mint and variants) by default.

You can look this page to see status of your GPU Acceleration with Chrome or Chromium.


If you see something like this:

"Unavailable. Hardware acceleration unavailable" or "Software only" means your GPU Acceleration is disabled.

Well, lets convert this to;

How to? 

1- Open this page with your chrome or chromium chrome://flags.
2- Set this settings:

[ON] Override software rendering list
[ON] GPU compositing on all pages
[ON] Threaded compositing
[OFF] Disable accelerated 2D canvas
[OFF] Disable deferred 2D canvas
[OFF] Disable accelerated CSS animations
[ON] GPU Accelerated SVG Filters
[OFF] Disable GPU VSync
[OFF] Disable WebGL
[ON] Enable Encrypted Media Extensions on <video> elements
[ON] Web Audio Input

3- Have fun and if you are paranoid make some tests with this page:

Saturday, December 15, 2012

Fix: Ugly Fonts in Kubuntu or KDE | Make your fonts crystal clear

By default, KDE Desktop and Kubuntu have a very ugly font behavior compared to GNOME or Ubuntu. But no worries. Fix is easy!

How to fix it?

1- Go to "System Settings > Application Appearance > Fonts"
2- Enable anti-ailising.
3- Set Use sub-pixel rendering to RGB and Slight.
4- Go Advanced tab of Desktop Effects and set scale method to Crisp.

To improve your fonts more, change your fonts to DejaVu and for a better console set console fonts to DejaVu Sans Mono 9.5.

Now you have very cyrstal looking fonts! Have fun!

Saturday, December 8, 2012

Fix: Missing Unity Desktop After Installing ATI/AMD Drivers Ubuntu 12.10 / 12.04

I got my new PC with Radeon HD 7850 GPU. After installing AMD drivers, my PC was booting with no unity. Only thing that I can see is a scrolling mouse.

But now I fixed it easily.

What causes this problem?

AMD Drivers on Ubuntu repository is not supporting new This making unity desktop crashing.

How to fix it?

1- Uninstall old AMD/ATI Drivers. How? Follow here.
2- Open terminal and install these packages with this command:
"sudo apt-get install build-essential cdbs dh-make dkms execstack dh-modaliases linux-headers-generic"
3- If you are using 64 bit version of your distro, install this too.
"sudo apt-get install lib32gcc1"
4- Install drivers and reboot.

Now you got Unity desktop without problems with AMD drivers.