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Hadoop installation on CentOS 8 Tutorial

In this tutorial weโll install the Big Data framework Apache Hadoop on a previously installed CentOS 8 virtual machine. Weโll use Docker containers for the cluster creation.
This is for testing purposes and not for production. Be careful and donโt expose it to Internet since Iโm not setting up any security measure for it.
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Tutorial using git-annex to sync files between GNU/Linux devices

Tutorial using git-annex as a file repository One way to keep our files synchronized between notebook, desktop and other devices is to use git-annex as a tool. Git-annex manages files with Git without verifying the content of the files. This allows you to work with large files using synchronised repositories.
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Installing Ubuntu 14.04 LTS on an Acer Aspire E5-573 notebook along with Windows 10

Installing Ubuntu 14.04 LTS on an Acer Aspire E5-573 notebook along with Windows 10 As always the Wintel duopoly openly blocks the installation of free operating systems, by putting obstacles that are difficult for a common user to solve. Therefore, here are the 10 steps I have taken to get both operating systems running on my notebook.
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Tutorial to remove old kernels on Ubuntu Debian GNU/Linux

Tutorial how to remove old kernels in Ubuntu Debian GNU/Linux In this tutorial we will see how to remove old kernels with a single command from the command line*.
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Tutorial install KMV and QEMU on GNU/Linux

Tutorial install KMV and QEMU on GNU/Linux In this tutorial we will see how to install and configure a virtualization environment with KMV and QEMU on GNU/Linux and install our first Debian virtual machine. Keywords: KMV, QEMU, virtualization, operating systems, GNU/Linux, Debian.

