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How to install an application in Ubuntu?

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Ubuntu

Ubuntu restricted extras/Gstreamer plugins

Ubuntu does not ship with in-built support for various media formats such s .mp3, .mp4, flash and Java files. Ubuntu restricted extras will add codec and file to support them and enable you to enjoy your music collection without any hassle.

Gstreamer plugins for adding media support is available in Software Center channel, so it's more convenient to install.

* sudo apt-get install ubuntu-restricted-extras

VLC Media Player

VLC is undisputedly one of the most versatile multimedia player. It will play almost everything: mp3s, videos, flash, CDs and DVDs.

* sudo apt-get install vlc

GIMP Image Editor

If you have a digital camera or a phone camera, you should install GIMP. Earlier, it came pre-loaded with Ubuntu, but now it has been categorized as a geeky application that's used by medium to advanced users. That's why it has been kept out of the default applications. GIMP is a Photoshop alternative that comes handy when you need to process your images or makes some interesting collage.

* sudo apt-get install gimp

Gnome Do

Starting a new application can sometimes be a pain. You need to first go to the Applications menu, then to the appropriate segment and search for the entry. Launchy or Gnome Do application launchers will ease the pain.

Gnome Do makes the process of launching new applications a breeze. Just start typing the name of the application and hit enter when you get the desired one in the Gnome Do's eye-candy suggestion window. Or else type the first letter and then use down arrow key to choose from the available options. Gnome Do can also be used for searching your files and folders, chatting with friends or sending a tweets, thanks to plug-ins that come with it.

Gnome Do can be dowloaded from the Ubuntu Software Center. Once installed, you will have to configure it on its first run. Click on the small down arrow to choose Settings from the menu. Check "Start Gnome Do at login", "Hide window on first launch" and "Show notification icon" in the General tab.

In the Keyboard tab, you will see that the hot key for calling and hiding Gnome do is set as . What's key? It's the Window or Command key. If you want to change the shortcut to, say, , double click on the shortcut and press the two keys of your choice simultaneously.

In the Plugins tab, choose the ones that you want to activate. In the Appearance tab, you can check "Always show results window". Now your Gnome Do is ready to serve at your slightest hint. Launchy is another application launcher, but it's lacks some features of Gnome do. The default hot key for calling Launchy is . If you want to be able to use Launchy on top of other applications, click on the configuration icon (looks like a gear) and tick the "Always on top" option.

Launchy is not available in Ubuntu software channel and will have to be downloaded from its website. If you are using a computer with Inter processor, download Launchy_xx.xx_i386.deb file. If your's is an AMD computer, download Launchy_xx.xx_AMD64.deb. After downloading, run the installer. You will find Launchy in the Applications > Accessories channel after successful installation.
Google Chrome

Google's new web browser is making its place among users with its speed and its growing list of add-ons. Even if you are more comfortable with the default Firefox Web browser, installing Google Chrome will only do good as an alternative browser. Google Chromeis also not available in the Ubuntu software channel, and will have to be downloaded from its website. Opera is also a good alternative Web browser, with focus on bells and whistles.
Ubuntu Tweak

Though I have listed Ubuntu Tweak at the end, it's the one which you should install first. Ubuntu Tweak comes handy in easily managing and tweaking the settings of an Ubuntu system. It allows you to install and uninstall applications, choose display settings and manage your desktop settings, among others. It can also be used too install a large number of application (including some of the above listed ones) easily using the graphical interface. It also includes Compiz Settings Manager.

Go to Ubuntu Tweak's download page and use any one of the listed methods for installing the tool. I would suggest you follow the link to download the latest .deb package and run it on your system.

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Leftovers: OSS

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    Princeton University’s web team had a complex and overwhelming digital ecosystem comprised of many different websites, created from pre-built templates and hosted exclusively on internal servers. Fast forward six years: Princeton continues to manage a their multisite and flagship endeavors on the open-source Drupal platform, and have seen some great results since their migration back in 2011. However, this success did not come overnight. Organizational buy-in, multi-site migration and authentication were a few of the many challenges Princeton ran into when making the decision to move to the cloud.
  • GitHub Invites Developers to Contribute to the Open Source Guides
    GitHub has recently launched its Open Source Guides, a collection of resources addressing the most common scenarios and best practices for both contributors and maintainers of open source projects. The guides themselves are open source and GitHub is actively inviting developers to participate and share their stories.
  • Top open source projects
    TechRadar recently posted an article about "The best open source software 2017" where they list a few of their favorite open source software projects. It's really hard for an open source software project to become popular if it has poor usability—so I thought I'd add a few quick comments of my own about each.
  • Dropbox releases open-source Slack bot
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  • Dropbox’s tool shows how chatbots could be future of cybersecurity
    Disillusion with chatbots has set in across the tech industry and yet Dropbox’s deep thinkers believe they have spotted the technology’s hidden talent: cybersecurity.

Desktop GNU/Linux

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    The new Entroware Aether is the latest Linux powered laptop from British company Entroware, and is powered by the latest Intel Kaby Lake processors.
  • Freedom From Microsoft v1.01
    But we can be Free from Microsoft! As we saw above, there is a powerful – and now popular movement afoot to make alternative software available. The Free Software Foundation, and the GNU Project, both founded by Richard Stallman, provide Free software to users with licenses that guarantee users rights: the rights to view, modify, and distribute the software source code. With GNU-licensed software, such as Linux, the user is in complete control over the software they employ. And as people contribute to modify Free Software source code, and are required to share those modifications again, the aggregate creative acts give rise to the availability of many more, much more useful results. Value is created beyond what anyone thought possible, and our freedom multiplies.
  • Review of the week 2017/08
    This week we had to cancel a couple snapshots, as a regression in grub was detected, that caused issues on chain-loading bootloaders. But thanks to our genius maintainers, the issue could be found, fixed and integrated into Tumbleweed (and this despite being busy with hackweek! A great THANK YOU!). Despite those canceled snapshots, this review will still span 4 revisions: 0216, 0218, 0219 and 0224. And believe me, there have been quite some things coming your way.

Security Leftovers

  • [Older] The Secure Linux OS - Tails
    Some people worry a lot about security issues. Anyone can worry about their personal information, such as credit card numbers, on the Internet. They can also be concerned with someone monitoring their activity on the Internet, such as the websites they visit. To help ease these frustrations about the Internet anyone can use the Internet without having to “look over their shoulder”.
  • Password management made easy as news of CloudFlare leak surfaces
    In the last 24 hours, news broke that a serious Cloudflare bug has been causing sensitive data leaks since September, exposing 5.5 million users across thousands of websites. In addition to login data cached by Google and other search engines, it is possible that some iOS applications have been affected as well. With the scale of this leak, the best course of action is to update every password for every site you have an account for. If there was ever a good time to modernize your password practices, this is it. As consumers and denizens of the Internet, we have a responsibility to be aware of the risks we face and make an attempt to mitigate that risk by taking best-effort precautions. Poor password and authentication hygiene leaves a user open to risks such as credit card fraud and identity theft, just like forgetting to brush your teeth regularly can lead to cavities and gum disease. This leaves us with the question of what good password and authentication hygiene looks like. If we stick with the (admittedly poorly chosen) dentistry analogy, then there are five easily identifiable aspects of good hygiene.
  • Security: You might want to change passwords on sites that use Cloudflare
  • Smoothwall Express
    The award-winning Smoothwall Express open-source firewall—designed specifically to be installed and administered by non-experts—continues its forward development march with a new 3.1 release.