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Installation of CentOS 7
One of the popular Linux distributions is CentOS, and we are going to install version 7 of this operating system. It can be downloaded from centos.org.
This installation is performing using a virtual machine (VM). To execute this installation it is necessary to download Oracle VM VirtualBox. We are going to use a virtual machine with: 4 vCPU, 8 MBytes of memory and 20 GBytes for hard drive.
Once you run your virtual machine, configuring your boot order to the iso file of the installer:
Select the Boot
Choose "Install CentOS 7", if you do not select an option .... the installer will select the first one when countdown finishes.
Check devices
The system verifies the devices that your VM has.
Language for installation
A screen is displayed for choosing the language. Select English (United States). Click on the Continue button.
Installation summary
This screen shows a summary of the installation process, here you can modify some parameters.
Software selection
Click on "Software selection" and it shows the next window. Select as Base Environment Gnome Desktop and for "Add-ons for the Selected Environment" choose: Gnome Applications, Internet Applications and System Administration Tools. Click on the Done button.
Destination of the installation
In this screen, select the destination of the installation, choose the disk or partition where you want to install the software. Click on the Done button.
Network and Host Name
On this screen the network is enabled and the name of the device is placed. Click on the Done button.
Installation Summary (finish)
Once we configure all the parameters and there is no alert message. Click on the Begin Installation button.
User settings
On this screen, set the root password and create an user for our server.
Root Password
Here we type the root password. Click on the Done button.
Create user
Create an user for our server, usually this user will be the Administrator of the System. Click on the Done button.
Installation process
While we are typing the root password and creating the user, at the botton section of the screen it shows that the installation is in progress.
Completion of the installation
After all the packages are installed, the system requests to restart the server. Click on the Reboot button.
Initial setup
After restarting the server a screen appears to perform the initial configuration where we must accept the license and we can configure the network interface.
License information
On this screen we check where it says: "I accept the license agreement" and click on the Done button.
Finishing the initial setup
The configuration of the network interface and the name of the server were already done before in the installation process. Click on Finish Configuration button.
Login session
After finishing the initial configuration, the login screen is showed with the user that we have created previously, type the user's password and continue.
Language for our work environment
We select the language with which we will work in CentOS. Click on the Next button.
Keyboard distribution
We select the distribution of keyboard. Click on the Next button.
Privacy
This functionality allows applications to use our geographic location for certain services. If you like, turn on this option. Click on the Next button.
Online accounts
We can configure our online accounts in case we need it, otherwise click on the Skip button.
And ready!!!
We finish with the adjustments and proceed to use our operating system, click on the Start using CentOS Linux button.
Desktop View
Then the desktop appears and we can start working on our server with CentOS 7.
