Linux Distributions & Installation

You want Fedora but prefer KDE or Xfce over GNOME. What are Fedora Spins?

How do you upgrade Fedora from one version to the next without reinstalling?

When Fedora's installer partitions a disk automatically, what layout does it actually create?

How is Linux Mint's Cinnamon desktop related to GNOME, and where does it diverge?

Mint's Timeshift creates regular system snapshots. Why is it a mistake to treat it as your backup solution?

What is the character and target audience of Arch Linux, and how is it installed?

Manjaro is derived from Arch Linux. What does it add, and what is the main downside of that?

A colleague coming from Windows expects each application to update itself. On a typical Linux distribution, what does the update system actually cover?

You are on LibreOffice 7.x and a brand-new 8.x has been released. Why does running ordinary updates never bring you to 8.x?

On RHEL you can move from 8.0 all the way to 8.9 through updates, but what does going from 8.9 to 9.0 require, and why the difference?

What problem is the rolling release model designed to eliminate, and which distributions are the canonical examples?

For a Linux beginner who wants the least trouble, why might Linux Mint be suggested over Ubuntu itself?

If someone wants a set-it-and-forget-it Linux for a relative's computer for several years, which distribution families give at least a five-year update guarantee?

What makes Debian's governance and funding model different from most other major distributions?

A fresh Debian install ships an older kernel and GNOME than what's currently available. Is that a bug, and how do you get newer versions?

Debian releases are known by code names rather than just numbers. What is the naming scheme, and what is Debian 12?

Debian's netinst image is only about 350 MiB. What does that small size imply about the installation?

Before Debian 12, a laptop could finish installing yet have no Wi-Fi. What changed in Debian 12 to fix this?

The friendly graphical installer on Debian, Mint, Manjaro and KDE Neon live images is the same program. What is it, and why does that matter?

Debian defaults to GPT partitioning on EFI machines, but what does it use in a VM without EFI, and how much say do you get?

How does Fedora relate to RHEL, and what role does it play for Red Hat?

What is Fedora's biggest practical drawback for someone who wants a stable long-term desktop?

Fedora Silverblue abandons the traditional package system. What does it use instead, and what capability does that unlock?

You try to install Manjaro or Arch and the machine won't boot the installer. What security feature is the likely culprit?

Among the mainstream distributions, Manjaro makes an unusual default shell choice. Which shell, and how do you switch back?

Manjaro uses the same package format as Arch. Why can it still be considered more conservative than Arch?

What is the signature feature that sets openSUSE apart from other distributions?

openSUSE Leap and Tumbleweed feel very different in freshness. What underlying model explains the difference?

On openSUSE Tumbleweed, why should you update with zypper dup rather than zypper up?

openSUSE defaults the root partition to btrfs with snapshots enabled. What practical capability does that combination give an administrator?

Pop!_OS is Ubuntu-derived but boots differently from stock Ubuntu. What boot loader and desktop does it use?

How does Pop!_OS handle software packaging differently from Ubuntu, and who is it optimized for?

Why does Pop!_OS, like Arch, not support UEFI Secure Boot?

When manually partitioning for Pop!_OS, what is the minimum required layout, and what must you do by hand?

What company develops Ubuntu, and how do Ubuntu version numbers encode their release?

An Ubuntu 22.04 LTS and an Ubuntu 23.04 sit side by side. How do their support windows differ?

Kubuntu, Xubuntu, Lubuntu and Ubuntu MATE all exist. What actually distinguishes the official Ubuntu variants?

How do unofficial Ubuntu derivatives like Elementary OS and Zorin OS differ from the official variants?

During manual Ubuntu partitioning, what happens automatically as soon as you create your first partition?

On an Ubuntu LTS install the kernel stays pinned for years. How do you deliberately get a newer kernel, and what side effect does it cause?

Debian splits its packages into four groups by license. What are they and what distinguishes them?

After a fresh Debian install you can't find a package you know exists. What's a likely cause tied to package sources?

Debian classifies packages as stable, testing, and unstable. What does the unstable branch actually mean for updates?

On a running RHEL system, why might dnf refuse to install or update anything, while the same commands work fine on AlmaLinux?

RHEL's own repositories are famously sparse. What extra package source dramatically expands what's available on RHEL and its clones?

Over a RHEL major release's lifetime the kernel version number never changes. Does that mean the kernel gets no fixes?

Ubuntu divides its packages into four groups. Which two carry the strongest support commitment, and what are the other two?

Ubuntu advertises a five-year LTS update guarantee. What common assumption about that guarantee is wrong?

What does a PPA give an Ubuntu user, and how do you add one?

A private user wants more than five years of updates on Ubuntu LTS without paying. What option covers this, and what are its limits?

How does RHEL compare to the Fedora release it derives from, in terms of freshness and support?

RHEL 8 introduced AppStream. What administrator problem does it solve?

RHEL clones like AlmaLinux and Rocky rebuild Red Hat's source. What makes that legal, and what must they strip out?

How does CentOS Stream differ from the old CentOS, and why is it a poor choice for a production server?

Oracle Linux is a RHEL clone, but it markets several differentiators. What are they?

Given that RHEL documentation mostly applies to AlmaLinux, Rocky and Oracle Linux, what is the one real exception to watch for?

You installed CentOS but now want AlmaLinux without a full reinstall. What mechanism makes that possible?

Why is a RHEL clone not simply a drop-in replacement for RHEL in an enterprise?

What did Red Hat change in 2023 regarding RHEL source code, and why was it controversial?

On a minimal, GUI-less RHEL install, how do you register the system from the command line so dnf will work?

During installation, some distributions ask which components or packages to install while others don't. What are the two approaches, and what if yours skips the question?

Some installers let you pick a desktop (GNOME, KDE, Cinnamon, MATE, Xfce). Which should a newcomer choose, and why?

A distribution update (moving to the next major version) can be done two ways. What are they, and which is considered more elegant?

Rolling releases sound ideal in theory — every package always current, no big version jumps. What practical problems make them mainly suited to experienced users?

What are the Debian Free Software Guidelines (DFSG), and where do they come from?

Beyond its own market share, why is Debian described as foundational to the wider Linux ecosystem?

Debian is famous for running on hardware most distributions never touch. How broad is that support, and what does it cost the project?

Debian ships two fundamentally different installers. How do the live-image installer and the traditional installer differ in what you can control?

Debian's standard (traditional) installer boots into graphics mode by default. What are your options when hardware acts up or you need fine-grained control?

Fedora is more than just its desktop edition. What are its stable variants, and what two additional variants sit alongside them?

Linux Mint bundles several tools whose names start with "mint". What do mintbackup, mintdrivers, mintinstall, and mintstick each do?

Most mainstream distributions default to GNOME. How does openSUSE stand out on the desktop front?

What partition layout does the openSUSE installer propose by default, and what does the author urge non-experts to change?

In openSUSE's Guided Setup, what does the "Propose Separate Swap Volume" option actually decide?

When you create the first user in the openSUSE installer, what surprising thing happens to the root password by default?

The openSUSE installer never asks for a hostname. What does the system end up called, and how do you fix it?

In the Ubuntu installer, what does choosing the Minimal Installation option leave off?

During Ubuntu setup, what does the Install Third-Party Software option actually control?

How long does Red Hat maintain a single RHEL major release?

Can you legally run RHEL for free, and what's the catch?

What was the classic CentOS, and what happened to it around 2020?

After Red Hat's 2023 source-code restriction, how did AlmaLinux change its compatibility promise?

RHEL and its clones use the same installer as Fedora, but which filesystem does their partitioner default to?

What installer has Ubuntu Server used since 2017, and what layout does its whole-disk option create?

What common slip in the Ubuntu Server (Subiquity) storage dialog silently wipes out all your work?

In the Ubuntu Server installer's final steps, what do the OpenSSH and server-services options offer?

Does Debian have a separate server edition the way Ubuntu has Ubuntu Server?

How does Ubuntu Server actually differ from desktop Ubuntu, and which versions should a server use?

In the RHEL installer's Software Selection, what is the default scope, and how small can you make it?

What is Fedora Media Writer and what does it do?

Ubuntu's installer offers install-alongside, erase-disk, and manual partitioning. Which one must you pick to set partition sizes or create a separate /home?

Which terminal command installs software on each major distribution family?

Beyond a distribution's own config tools, what free web-based console does the book highlight for system and network administration?

How does a package move from Debian unstable into testing?

On Ubuntu, the Languages tool installs language packs — so why might your KDE apps still show the wrong language?