Archive for the 'ubuntu' Category

GIMP to be removed from Ubuntu?

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This could be an outstanding news by its significance. The next version of Ubuntu (Lucid Lynx or Ubuntu 10.04) won’t include GIMP (GNU Image Manipulation Program) by default due to its user interface that is too complex… What a #@^*?

Actually complex UI is not the only decision why GIMP should be vanished from Ubuntu so here is the full list:

  • the general user doesn’t use it
  • its user-interface is too complex
  • it’s an application for professionals
  • desktop users just want to edit photos and they can do that in F-Spot
  • it’s a photoshop replacement and photoshop isn’t included by default in Windows…
  • it takes up room on the disc

(taken from here)

Still sounds like fresh nonsense? What about F-Spot as a replacement? Well, an average user most probably claim that above mentioned reasons are true. Maybe that’s why GIMP already dropped from latest Fedora 12. But what should do people who use GIMP every day and loves Ubuntu???

Just execute ‘sudo aptitude install gimp:)

Top 3 Linux HTML editors

This post is dedicated to quality html editors for Linux and Ubuntu operating system in particular. You may think that nowadays nobody uses offline editors as there are so many content management systems (CMS) like Drupal (my favourite one), Wordpress, Joomla etc. which contain embedded visual html editors. But today I made sure myself that sometimes it’s real pain to draw a 10×20 table using Wordpress’s editor…

Text editors like gedit, emacs, nano or vi will certainly live forever but thankfully there are numerous visual html editors for my Ubuntu :) They are sometimes called WYSIWYG editors, it mean “What You See Is What You Get”.

1. Quanta Plus

This is KDE/Qt visual html editor available as binary package for numerous Linux distributions
including Debian and Ubuntu. From developers’ site:

Quanta Plus is a highly stable and feature rich web development environment.
The vision with Quanta has always been to start with the best architectural
foundations, design for efficient and natural use and enable maximal user
extensibility.

In order to install it in Debian/Ubuntu run the following CLI command:

sudo apt-get install quanta

Fedora, Centos, Redhat users type this:

sudo yum install kdewebdev

I found Quanta html editor extremely useful, this is just an outstanding application of this
field.

2. Bluefish

Bluefish HTML editor logoBluefish is a powerful editor targeted towards programmers and webdesigners,
with many options to write websites, scripts and programming code. Bluefish
supports many programming and markup languages, and it focuses on editing
dynamic and interactive websites.

I found this really versatile html editor. Besides HTML/CSS it handles C,
Java, Perl, Python, XML and others.

Ubuntu and Debian users type:

sudo apt-get install bluefish

Fedora/Redhat/Centos:

sudo yum install bluefish

Gentoo:

emerge bluefish

3. Screem

SCREEM is a web development environment. It’s purpose is to increase
productivity when constructing a site, by providing quick access to commonly
used features. While it is written for use with the GNOME desktop environment
in mind it does not specifically require you to be running it, just have the
libraries installed.

This is one of the most user-friendly Gnome HTML editor. Its simple interface
brings extremely powerfull HTML editor so if like minimalistic design Screem
is your choice.

Update: below is the bottom line from Linux.com’s review of three Linux HTML editors (Quanta Plus, Blowfish,
Screem). I found that review after I wrote this post.

  • If you use GNOME, use Screem. It’s a fast, simple, and powerful tool for web editing. However, it does not have the large feature sets that Bluefish and Quanta Plus have, especially for languages other than those directly related to Web page editing.
  • If you use GNOME and need the more powerful features of Quanta Plus, load the required libraries and run it.
  • If you use KDE and want a code editor, choose Quanta Plus. Ignore the WYSIWYG capabilities and take advantage of the tremendous editing capabilities, especially for CSS style sheets.
  • If you use Xfce, Quanta Plus should run fine. Screem would still require loading additional libraries.
  • Finally, if you use GNOME, find that Screem does not meet all your needs, and you don’t want to bother with loading the KDE-native Quanta Plus, then load Bluefish. It is nearly as capable as Quanta Plus, but will run well without a lot of fussing with libraries.

Install Ubuntu Chromium browser (Google Chrome for Linux)

One of the easiest way to try Chromium browser in Ubuntu Linux (Google Chrome browser for Unix/Linux operating system is named as Chromium) is to use daily binary builds at https://launchpad.net/chromium-project. Today Ubuntu is the most popular Linux disributions for desktops so there are daily builds available for the following Ubuntu versions: hardy, intrepid, jaunty, karmic.

First let your Ubuntu know where it should find chromium-browser deb package:

vi /etc/apt/sources.list

add the following lines:

deb http://ppa.launchpad.net/chromium-daily/ppa/ubuntu jaunty main
deb-src http://ppa.launchpad.net/chromium-daily/ppa/ubuntu jaunty main

Replace jaunty with hardy, intrepid or karmic depending which version you run at your computer. If you feel this information is not sufficient for you, follow this link to get Ubuntu official information on this matter or follow Launchpad help.

The next step is to install Chromium browser:

sudo apt-get update
sudo apt-get install chromium-browser
or
sudo aptitude install chromium-browser

Once you press enter Ubuntu will download around 18 MB of data from launchpad’s server and will install Chromium with gnome menu entries and shortcuts. Now you can go to System menu –> Internet –> Chromium Web Browser in order to launch Google browser.

Ubuntu Chromium (google chrome for linux)

Ubuntu Chromium Google browser (Google Chrome Ubuntu)

As you might know there is still no official release of chromium/chrome available for Linux, so these daily builds from launchpad are for testing/observations purposes only. For example, there is no flash plugin available so you will be able to see html pages like this one and no swf/flash content. Anyway thanks to Google for great browser which has all chances to become “browser number one” for Linux or even for the rest of operating system such as Windows or Mac. Who knows? :)

You might also find this page using Google and the following keywords: Ubuntu Chrome, Google Chrome Ubuntu, Chrome for Ubuntu and others.

Watching HD Media on Linux made easy

h1_camcorder_1

This article is presented to you by LaptopLogic.com. Go there to read the latest info on the top rated laptops and the best laptop accessories.

The High Definition (HD) content is everywhere these days, from HD and Blue Ray Discs to streaming HD media. Although HD content gives best picture quality, it also uses a lot of computational power to decode and play.

This was made easy for Windows by the introduction of new drivers from graphics card manufacturers, Nvidia and ATI, which allowed the whole media to be decoded on the dedicated graphics card, saving cost in computational power, and the need to have a stronger processor.

nvidia graphicsNvidia recently released a new set of drivers for Linux supporting PureVideo technology for its line of graphics hardware, enabling full hardware HD-decoding, and giving smooth HD content playback, even on less powerful computers. The 180 series supports PureVideo decode acceleration. These drivers adds a new VDPAU API, which provides PureVideo like features on Linux, adds CUDA support, X Render optimizations, new workstation performance optimizations and some other improvements. The new versions offer optimizations and support for a wide range of Nvidia hardware, and is expected to improve with future releases.

Linux uses X-Video (Xv) as output extensions, where as X-Video MotionCompensation (XvMC) is an X-Video extension which offers some video decoding on GPU. With the new drivers, Nvidia implements VDPAU (Video Decode and Presentation API for UNIX).

VDAPU is capable of hardware acceleration and the decoding of MPEG-1, MPEG-2, VC-1 and H.264 bit streams. It also provides an API for post-processing of decoded video in order to apply operations such as noise reduction and temporal and spatial de-interlacing, timestamp-based presentation of final video frames, and compositing of sub-picture elements.

amd-4800-series-graphic-cardAMD also supports hardware acceleration through X-Video Bit stream Acceleration or XvBA API. The recent drivers can take advantage of Unified Video Decoder (UVD2).

These new technologies are also supported by new video playback softwares, which can fully utilize the Graphics Hardware for video playback, providing smooth frames in HD and Blue-Ray movies. The VDPAU supported players include libavcodec, mplayer and ffmpeg.

CUDA support is also provided with 180 series drivers for Linux, and it can also be used to accelerate videos, and also to do any processing involved, like CoreAVC 1.9.0 is the first media player to offer this decoding.

The video acceleration on Linux came late, but certainly, with these new advancements by Graphics chips manufacturers, Linux users will be able to experience HD media playback, even on less powerful systems.

The fastest way to disable PC speaker in Ubuntu

There are several ways to disable usually noisy PC speaker in Ubuntu Linux (this is what beeps every time you wish to keep silent). The fastest one is just to unload its kernel module/driver:

sudo modprobe -r pcspkr

Add the the line “blacklist pcspkr” to /etc/modprobe.d/blacklist to turn off the speaker forever :)




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My name is Artem Nosulchik (artiomix AT gmail DOT com) and I'm Linux/Unix, Cisco systems engineer. The main idea of Linux Screw is to share relevant knowledge, skills and observations over The Web. Here you can find a lot of information related to different Linux distributions, FreeBSD, IOS as well as a other Open Source around staff. Read more ››