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For several users, it is annoying to see system update notification every day. You may disable it easily. Warning, update is important for security matters. You will do this with your own risk.

  1. Open Ubuntu menu. 
  2. Search for Software & Updates.
  3. Open Updates tab.
  4. Change into Never for Automatically check for updates entry.

This configuration will forbid the system to check any update available. So, it disables update notification.

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Unity Tweak Tool is a customization tool similar with GNOME Tweak. It helps you to customize many things in Unity just by click. We will use it often when we customize our Unity later. It is available on Ubuntu official repository. If you are not using Ubuntu (Unity), then you will never need to install Unity Tweak.

Install from Terminal


sudo apt-get install unity-tweak-tool

Install from GUI


Open Ubuntu Software Center > search for unity tweak > press Install.


Are you looking for multitab PDF viewer in Linux? Probably you want an alternative for Foxit Reader. Then use Qpdfview. It supports multitabbing. Also, it supports zooming, continuous view, fullscreen, properties viewing, sidebar, and so on. Fortunately, Qpdfview is available on Ubuntu official repository and many other distro repositories. Personally, I've used Qpdfview on my KDE as default PDF viewer because I always open many PDF files at once. I hope Qpdfview is useful for you too.

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Unity is default desktop environment for Ubuntu. It has different appearance and user experience compared to another desktop environment. It has few unique features such as HUD and Launcher. It has also a full screen menu. It makes Ubuntu distinguishable among another Linux distro. This guide will help you understand the basics of Unity for daily usage. This guide uses Unity 7.3.2 on Ubuntu 15.04 as a basic and it's applicable to another version too.

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Systemback is a remastering and system restore tool for Linux. With Systemback, you get again what you lost from Remastersys (abandoned) or Windows System Restore. Systemback keeps your configurations, software installations, themes, and the whole system so it is suitable to make a Linux remaster. You can make a whole backup of your system periodically then revert back into previous state of your Linux system. For Ubuntu 14.04, 15.04 and 15.10, there is a PPA for Systemback. Thanks to Kedek for providing this PPA.

Using Terminal

sudo apt-add-repository --yes ppa:nemh/systemback
sudo apt-get update
sudo apt-get install systemback
Those commands will add a new repository named ppa:nemh/systemback into your Ubuntu system, then download the repository indexes, and then install Systemback. Option --yes assumes you will always answer yes for every question.

Using Synaptic GUI


Using GUI is often much more easier. Open your Synaptic first.
  1. Open menu Settings > Repositories > Other Software > press Add
  2. Write ppa:nemh/systemback > press Add Source. 
  3. Press Reload button.
  4. Search for systemback.
  5. Click systemback from search result > Mark for Installation > Apply. 
  6. Wait until finished.


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