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How to get started with Linux: A beginner's guide

The world of Linux is ready to welcome you, with a shower of free open-source software you can use on any PC: hundreds of active Linux distributions, and dozens of different desktop environments you could run on them. 2,236 more words

Base install of Elasticsearch 5.5.1 for Ubuntu 16.04 in AWS EC2

Base install of Elasticsearch 5.5.1 for Ubuntu 16.04 in AWS EC2


Laptop:$ ssh ubuntu@ 1,293 more words


Build/Install OpenCV 3.3.0

Following are instructions of how to build/install OpenCV 3.3.0 on Ubuntu (14.04.5 LTS) based Linux machine.


Make sure that following packages are installed:

sudo apt-get install build-essential pkg-config checkinstall
sudo apt-get install libjpeg-dev libpng-dev zlib1g-dev libtiff4-dev
sudo apt-get install libtbb-dev libeigen3-dev
sudo apt-get install libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev
sudo apt-get install libv4l-dev v4l-utils
sudo apt-get install python-dev python-numpy python-tk
sudo apt-get install libfreetype6-dev libharfbuzz-dev
sudo apt-get install qt5-default… 305 more words

Galera Cluster with MariaDB 10.2 (3 Nodes) on Ubuntu 14.04 / 16.04 Servers


node_1, IP :

node_2, IP :

node_3, IP :

1.  Install MariaDB 10.2

If you have MariaDB 10.1 or later before, please make sure that upgrade or see  523 more words



Apropos of last week’s Emma Marshall interview, I learned from a commenter that System76 is working on its own operating system (that seems to be based on Ubuntu… 14 more words


Sharing internet connection to Raspberry PIs, wired to Local Network

Sometime before I write this article, I bought 5 units of Raspberry Pi 3 Model B, along with : 6 pieces of UTP Cat 6 RJ-45 cables, 5 Sandisk 16GB Micro SD cards, an 8 ports TP-Link TL-SF1008D LAN Switch, and an Anker 6 ports USB Power Adapter with 6 USB OTG cables as well. 1,035 more words


Failed to start a session in Ubuntu?

  1. press ctrl+alt+f2
  2. type your user name of ubuntu and password
  3. type: sudo apt-get install ubuntu-desktop
  4. press ctrl+alt+f2 again
  5. click on login. Taddaaa!! and it hence opens your desktop screen with all your data being there.
#ubuntu #failed #session #login