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RHEL/CentOS Configuration Guide

Author: Daniele Giudice

Versions: 8.x, 9.x

Set Italian Keyboard

sudo localectl set-keymap it

Bash proxy settings

export http_proxy=http://username:password@proxyhost:port/

export https_proxy=https://username:password@proxyhost:port/

Enable EPEL repository

export OS_MAJOR=$(cat /etc/os-release | grep '^VERSION=' | cut -d'=' -f2 | tr -d '"')
sudo subscription-manager repos --enable codeready-builder-for-rhel-${OS_MAJOR}-$(arch)-rpms
sudo dnf -y install yum-utils redhat-lsb-core
sudo dnf -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-${OS_MAJOR}.noarch.rpm

Install/Update VirtualBox Guest Additions + Enable Shared Folders Access

Install 'VirtualBox Guest Additions' minimal dependencies

sudo dnf -y install kernel-devel-$(uname -r) kernel-headers-$(uname -r) gcc binutils make elfutils-libelf-devel dkms bzip2 perl
sudo dnf -y install xorg-x11-xauth xorg-x11-fonts-* xorg-x11-utils dbus-x11 # extra dependencies for X11 Forwarding
sudo dnf -y install xterm # to test X11 Forwarding

Mount 'Guest Additions CD' from menu "Devices->Insert Guest Additions CD image..." (if a window appear, click "Cancel" button)

Install/Update Guest Additions

sudo mkdir -p /media/cdrom
sudo mount -o ro /dev/cdrom /media/cdrom
sudo /media/cdrom/VBoxLinuxAdditions.run --nox11 # remove "nox11" option if GUI setup

Unmount and eject 'Guest Additions CD'

sudo umount -f /media/cdrom
eject /dev/cdrom

Add current user in 'vboxsf' group to grant access to shared folders

sudo usermod -aG vboxsf $(whoami)

Reboot to enable changes

sudo reboot

Software (if not specified the latest available x64 en-us version will be installed, and the installation is system-wide)

General

Base software (python2 is NOT installed)

sudo dnf -y update && sudo dnf -y install curl gawk git less net-tools python3 python3-pip python3-virtualenv sed unrar unzip vim wget zip

Python 3 virtualenv (local user, activated at startup)

# Mandatory
python3 -m venv ~/py_env
source ~/py_env/bin/activate
echo -e "\nsource $HOME/py_env/bin/activate" >> ~/.bashrc
pip install --upgrade pip wheel setuptools
# Optional
pip install --upgrade yt-dlp

Audio/Video

FFMpeg

sudo dnf -y install ffmpeg-free

MediaInfo

sudo dnf -y install mediainfo

yt-dlp (via python3 pip)

sudo python3 -m pip install --upgrade yt-dlp