PyQt4 or QtRuby - memory comparison

Well, this is another Python vs Ruby article, hope it is useful. Today I have measured memory consumption of QtRuby against PyQt4. quite similar scripts were used in both tests and the results are here: Python 3.3           - 11,040K  / 19,456K shared memory Python...

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Firefox 16 has security vulnerability, do not install

Firefox 16 appeared in Ubuntu 12.04 repos as an update two days before, and I installed it like usual. Now, Mozilla have withdrawn it because the security vulnerability. The bug allow the attacker to see your browsing history. For now, Firefox 15.0.1 is considered stable and bug free. Ubuntu 12.04...

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Calligra Suite - a different office suite

Calligra Suite is an office suite, part of KDE community software.  It targets mainly Linux and FreeBSD, though some preliminary support for Mac OS X and Windows exists. I have heard about it long time ago and if I recall well, it is supposed to be descendant to the KOffice. I have tested KOffice...

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How to permanently change screen resolution in Ubuntu

Today I tried Kubuntu & Ubuntu 12.10 beta2 in my Virtual Box. Then I went o the friend who has a Mac and I asked him to run Ubuntu on his Mac. Unfortunately he had'nt VirtualBox, but Parallels. When Ubuntu boots it shows that the wrong screen resolution (1920x1080) has been detected, although...

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Kubuntu 12.10 beta2 is out

The Beta2 release of Kubuntu was released yesterday. The iso file is quite large - about 1GB, so you will not be able to burn it to blank CD, instead a blank DVD should be used. My favorite way is to write it out to the USB flash dongle using simple command in konsole: sudo dd if=kubuntu-12.10-beta2-desktop-amd64.iso...

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How to install GDM instead of LightDM in your Ubuntu

If you choose to try Gnome in your Ubuntu, or just find out LightDM is not your favorite, then you can change your login manager. Here is how: in terminal type: sudo apt-get install gdm then type your password and wait for the software being installed. After that, type sudo dpkg-reconfigure gdm and...

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Transform your Ubuntu 12.04 into modern Kubuntu

If you're dissatisfied with your Ubuntu Desktop 12.04, and wanna try something new, there is an easy way to transform it to Kubuntu with KDE 4.9 SC. Just open terminal and type: sudo add-apt-repository ppa:kubuntu-ppa/backports then confirm to add this new repo to your system. After that type sudo...

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Stable Archlinux: Stop overheating your notebook

Stable Archlinux: Stop overheating your notebook: It is getting hotter and hotter and it is necessary to find ways to stay cool in the summer heat. Especially for notebooks....

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Calise Sets The Screen Backlight Based On Ambient Brightness ~ Web Upd8: Ubuntu / Linux blog

webupd8.org - Calise (Camera Light Sensor) is an application that uses your computer's camera as a light sensor for obtaining the ambient brightness and then calculates and sets the correct backlight according t... more on webupd8.or...

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Five reasons I would preffer KDE over Unity

As we all know, Canonical officially has stopped maintaining and funding Kubuntu. However, this act did not stop the users get install KDE on their Ubuntu (or better, just install Kubuntu). Despite I'm usually a Unity fan, here is how I did choose to install KDE too. 1. Unity window management...

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Ubuntu tool for fixing wrong F10 behavior on terminal

I used to get the terminal in my Ubuntu open all the time. There are so many things to do or manage via ter English: Midnight Commander with default colors in GNOME Terminal on Ubuntu Linux. ‪Norsk (bokmål)‬: Midnight commander. (Photo credit: Wikipedia) minal rather file-manager or some application,...

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An unofficial Gtk# 3.0 build for Ubuntu

Gtk Sharp (Photo credit: Wikipedia) Do you know already Banshee, or Pinta, or (of course) Docky. They are all built with two superb technologies - Mono C# and Gtk binding - so called Gtk#. Logo of Docky. (Photo credit: Wikipedia) I know there were so many disputes about Mono and it's future,...

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Ubuntu 12.04 tip: booting to text mode (run level 3) and no X

Ubuntu is usually very stable (especially 12.04 LTS) and can boots on almost every one machine. But sometimes, there are cases when video driver crashed or not detected at all, or something other happened and X fails to start. This is the time you need to boot to text mode or so called run level...

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Meet SpeedCrunch - Qt based calculator for your needs

I'm a GNOME fan and my primary DE is GNOME or .... perhaps Unity. Recently I tried KDE on my fresh Ubuntu 12.04 and guess what... I really missed gcalc (Gnome calculator). The calculator shipped with KDE is very simple, ugly and has'nt a feature I really appreciate - complex (or not so) math...

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Ubuntu performance trick for slow machines

If you have old PC/Laptop or low memory machine and want to install Ubuntu, here is how to increase overall performance. The trick is to install zRam which increase the performance by make use of more ram instead of slow swap disk . zRam was previously called compcache and create compressed block device...

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How to enable appmenu support for LibreOffice 3.5.4 in Ubuntu

If you have read my previous post, you may have noticed there is no appmenu support for for LibreOffice 3.5.4 after executing my instructions. Well, that was my mistake and here is how to fix it (I'm so sorry): sudo apt-get install lo-menubar That's all. Now your shiny new LibreOffice 3.5.4 should...

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Install LibreOffice 3.5.4 in Ubuntu 12.04 Precise Pangolin

The new LibreOffice 3.5.4 comes with up to 100% performance improvements and is de facto the fastest free and open source office suite. If you have Ubuntu 12.04 installed you have no chance to get this new LibreOffice version, unless you add some extra repo. And here is how: 1....

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How to get Hibernate working on Ubuntu 12.04

Hi all, this was a post in my older blog, and I thing its place is here When I installed Ubuntu 12.04 two days ago, I was a bit surprised to see there is no hibernate entry in Unity system menu. Hibernation is disabled by default because it is not working here and there... As most people have notebooks...

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