1. Make DNF faster by adding these lines in /etc/dnf/dnf.conf

# DNF config
fastestmirror=True
max_parallel_downloads=10
defaultyes=True
keepcache=True

2. Update your system

sudo dnf update

3. Enable RPM Fusion

sudo dnf install https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm

Source

4. Switch to full ffmpeg

sudo dnf swap ffmpeg-free ffmpeg --allowerasing

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5. Enable Flatpaks

flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

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6. Install media plugins

sudo dnf group install Multimedia

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7. Enable video thumbnails

sudo dnf install ffmpegthumbnailer

8. Enable HEIC image support

sudo dnf install heif-pixbuf-loader

sudo dnf install libheif-freeworld

9. Change Hostname of the machine

sudo hostnamectl set-hostname "New_Custom_Name"

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1. Enable contrib and non-free sources

   Using the terminal, edit the following file, add the “contrib” and “non-free” sources, or replace with these lines:

   sudo vim /etc/apt/sources.list
   

   deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
   deb-src http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
   
   deb http://deb.debian.org/debian-security/ bookworm-security main contrib non-free non-free-firmware
   deb-src http://deb.debian.org/debian-security/ bookworm-security main contrib non-free non-free-firmware
   
   deb http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware
   deb-src http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware
   

2. Enable bookworm backports (it works for Trixie as well)

1. Update the system:

sudo pacman -Syu

2. Install vim (or other text editor)

sudo pacman -S vim git 

3. Open /etc/pacman.conf and make the following changes in order to improve the overall experience.

sudo vim /etc/pacman.conf

4. Remove the # from Color and ParallelDownloads.

# Misc options
#UseSyslog
Color
#NoProgressBar
CheckSpace
#VerbosePkgLists
ParallelDownloads = 5

5. Update the system:

sudo pacman -Sy

6. Install reflector so you can get the most up-to-date mirrors. You can also choose the mirrors by country if you want.

sudo pacman -S reflector

Create a backup of the mirrorlist file.