UBUNTU/Linux: What to do after installation ?

So you are into the open-source world, you installed the OS. It is just the start, what you do afterwards will define how you are going to be on the right side of the power curve that is Linux. 
Here are some of the things you need to know/do.

1. Know the terminal.

Just get used to it. Open it by pressing Ctrl+Alt+T in your keyboard. This command line interface is where you will be spending more of your time on to simplify your life with Ubuntu.
It can be used for everything, from updating or upgrading the system, installation of new programs, to even deleting
the whole system at once.
Basic terminal commands are as follow.
sudo apt-get update - to update the system.
sudo apt-get upgrade - to upgrade the system.
sudo apt-get install x- install the software 'x'.

2. Choose a lighter Desktop environment.

If you have a RAM size or processor not so
recent, sometimes, and I mean sometimes it causes issues of some
lagging, slow down of the system. I repeat, Linux, is not slow,
never. It might be because of the Desktop Environment. Ubuntu uses
Unity as a default DE. Mint uses Cinnamon. They might look super
easy, and awesome, but comes at a cost of greater RAM usage.
You can always choose a lighter Desktop
Environment. Most probable choices are LXDE, XFCE and MATE. for lxde, in the terminal, type
sudo apt-get install lxde
and logout and click on the Screw button by the side of your login name and select lxde from the list.

3. Install F.lux

whether you know about this software or not,
you need it if you are the kind of guy who spends a good amount of
time in front of the PC screen. It filters the blue light from the
screen that is painful for our tender eyes.
To install f.lux type the following commands in terminal.
sudo add-apt-repository ppa:nathan-renniewaldock/flux
sudo apt-get update
sudo apt-get install fluxgui

4. Choose a darker theme

If f.lux was cool, than this is going to be cooler. At night, you are always alternating through the screen which are emitting white light that is brighter than the Sun.
if you haven't tried a darker theme, then you
must. Just install it. Here's the one I use,ambience-dark-red, and here's how to install it.
sudo add-apt-repository ppa:noobslab/themes
sudo apt-get update
sudo apt-get install ambiance-dark-red

5. Battery optimizer:TLP

There's just so many complains regarding this. The battery drains quick, the unnecessary background processes that are always running. You never know what is going on behind the system. 
With TLP, you don't need to know. Once you install TLP it
will automatically set up your laptop performances and disable all
the battery hogging services that run in the background. Here's how to install it,
sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install tlp tlp-rdw
to start tlp type,
sudo tlp start
NOTE: It sometimes even turns off the USB ports.

6. Media Player: VLC

There are lots of great music players for
Linux. Clementine, Rhythmbox, Amrock to name a few. And they
definitely are worth checking for. But the coveted VLC stands tall in
Linux too. Install it and update the codecs
sudo apt-get install vlc.

7. Clip Manager: Clipit

Remember the moment when you have to copy a text-line, but you already got another thing copied so you paste that first and go through copying.
That is a annoying story. Always use a clip manager, so you just copy multiple things, and then paste them by selecting from the list of things you copied one at a time. Clipit is my choice for this.to install Clipit,
sudo apt-get install clipit

8. Cloud storage: Dropbox

The ultimate cloud storage client has a desktop client for Linux. You can install it by typing following commands in the terminal.
Refer this site for installing Dropbox.

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