Linux · Distros · Certification

Linux for Everyone
Who Wants to Learn It

Distribution reviews, honest pros and cons, and every way to run Linux — from USB boot to virtual machines to containers. Plus CompTIA Linux+ cert prep for those who want to make it official.

15+
Distros reviewed
3
Ways to run Linux
1
Cert to earn: Linux+

Three Ways to Run Linux

You don't have to wipe your machine to try Linux. Here are the three main approaches — from safest to most committed.

01
💾

USB Boot (Live)

Run Linux directly from a USB drive without installing anything. Boot from the USB, use the full OS, shut down, and your main system is untouched.

✓ Zero risk to your main system
✓ Try before you install
✓ Works on almost any hardware
✓ Great for rescue and recovery
✗ Slower than installed
✗ Changes don't persist by default
✗ Needs 8GB+ USB drive
Best for: First-timers
02
🖥️

Virtual Machine (VM)

Run Linux inside a window on your existing OS using software like VirtualBox or VMware. Full install, persistent storage, runs alongside Windows or Mac.

✓ Full install experience
✓ Persistent — changes save
✓ Safe — isolated from host
✓ Snapshots let you revert
✓ Perfect for labs and learning
✗ Uses RAM and CPU overhead
✗ Graphics performance limited
✗ Requires modern hardware
Best for: Learners & Labs
03
📦

Container (Docker/LXC)

Run a lightweight Linux environment inside a container — no full OS overhead. Used heavily in DevOps, cloud, and cybersecurity workflows.

✓ Extremely lightweight
✓ Fast startup
✓ Ideal for server/DevOps work
✓ Industry-standard skill
✗ No full desktop GUI
✗ Requires Linux host (or WSL)
✗ Steeper learning curve
Best for: Intermediate+
Bonus

Dual Boot

Install Linux alongside Windows on the same machine. Choose which OS to boot at startup. Full native performance for both.

✓ Full native performance
✓ Persistent install
✓ Real hardware access
✗ Riskier installation process
✗ Must reboot to switch OS
✗ Partition management required
Best for: Committed learners
Bonus
🪟

WSL2 (Windows)

Windows Subsystem for Linux 2 — run a real Linux terminal inside Windows 11/10. Microsoft-built, surprisingly capable for learning and development.

✓ No reboot needed
✓ Native Windows integration
✓ Good for command-line work
✓ Easy to set up
✗ Not a full desktop
✗ Some hardware limitations
✗ Windows-dependent
Best for: Windows users

Linux Distribution Reviews

Honest reviews of the most important Linux distributions — what they're good for, who they're for, and where they fall short.

🟠
Ubuntu Beginner
Base: Debian · Desktop: GNOME

The most popular Linux desktop distro. Huge community, excellent hardware support, and the most documentation of any distro. The default choice for most new Linux users.

Pros
Massive community support
Excellent hardware detection
LTS releases (5yr support)
Snap package ecosystem
Best beginner documentation
Cons
Snap packages controversial
GNOME can feel heavy
Less cutting-edge packages
Some telemetry concerns
▸ Best for: First Linux install, developers, servers
🌀
Debian Intermediate
Base: Independent · Desktop: GNOME/KDE/XFCE

The grandfather of many distros including Ubuntu and Kali. Legendary stability — packages are tested thoroughly before release. The foundation of the LinksOS project.

Pros
Exceptional stability
No corporate influence
Massive package repository
Flexible desktop choice
Long release support
Cons
Older package versions
Steeper initial setup
Less beginner-friendly
Slower release cycle
▸ Best for: Servers, learning fundamentals, LinksOS base
🌿
Linux Mint Beginner
Base: Ubuntu/Debian · Desktop: Cinnamon/MATE/XFCE

Possibly the most user-friendly Linux distro available. Familiar Windows-like interface, no Snap packages, and a polished out-of-the-box experience. Excellent for Windows switchers.

Pros
Windows-like familiarity
No Snap packages
Excellent multimedia support
Very stable
Great hardware support
Cons
Behind Ubuntu on updates
Less cutting-edge
Cinnamon can be heavy
Smaller community than Ubuntu
▸ Best for: Windows switchers, home desktop use
🎩
Fedora Intermediate
Base: Red Hat · Desktop: GNOME

Red Hat's community distro — cutting-edge packages, excellent security features, and a clean GNOME experience. What becomes RHEL eventually passes through Fedora first.

Pros
Latest packages
Excellent security defaults
SELinux enabled
Clean GNOME experience
Red Hat ecosystem exposure
Cons
Shorter support lifecycle
Can break on updates
Less beginner-friendly
RPM vs DEB ecosystem
▸ Best for: Developers, Red Hat/RHEL career path
🐉
Kali Linux Security
Base: Debian · Desktop: XFCE

The go-to distro for penetration testers and security professionals. Ships with 600+ pre-installed security tools. Not recommended as a daily driver or for beginners — it's a specialist tool.

Pros
600+ security tools pre-installed
Industry standard for pentesting
Regular updates
Strong community
ARM support
Cons
Not for beginners
Repo conflicts common
Root by default (historically)
Bloated for daily use
Rolling = can break
▸ Best for: Penetration testers, security pros, CTFs
🏔️
Arch Linux Advanced
Base: Independent · Desktop: Your choice

The DIY distro. Minimal base install — you build everything yourself. The best way to truly understand Linux internals. The AUR (Arch User Repository) is unmatched for package availability.

Pros
Learn Linux deeply
AUR — massive package repo
Rolling release
Highly customizable
Excellent wiki
Cons
Complex installation
Rolling can break
Time-intensive setup
Not for the impatient
▸ Best for: Power users, learning Linux internals
🪨
Rocky Linux / AlmaLinux Enterprise
Base: RHEL · Desktop: GNOME

The CentOS replacements. Free, enterprise-grade RHEL-compatible Linux. What most corporate servers run. Essential knowledge for anyone pursuing a Linux career in enterprise environments.

Pros
RHEL-compatible
Extremely stable
Long support cycles
Enterprise documentation
Career-relevant
Cons
Older packages
Less community content
Overkill for home use
Not beginner-friendly
▸ Best for: Sysadmins, enterprise IT, RHCSA prep
🚀
Pop!_OS Beginner
Base: Ubuntu · Desktop: COSMIC/GNOME

System76's Ubuntu-based distro, optimized for developers and creative professionals. Excellent GPU support (great for NVIDIA), clean tiling window management, and polished UX.

Pros
Excellent NVIDIA support
Clean, polished UI
Auto-tiling window manager
Good for developers
Ubuntu base = wide support
Cons
Smaller community
COSMIC DE still maturing
System76 hardware bias
Less documentation
▸ Best for: Developers, creative professionals, NVIDIA users
🦎
openSUSE Intermediate
Base: Independent · Desktop: KDE/GNOME

A solid, professional distro with two flavors: Leap (stable) and Tumbleweed (rolling). YaST management tool makes system administration approachable. Strong in European enterprise environments.

Pros
YaST admin tool
Stable (Leap) or rolling (Tumbleweed)
Excellent KDE integration
Strong enterprise pedigree
OBS build system
Cons
RPM ecosystem
Smaller US community
Less beginner documentation
Can feel complex
▸ Best for: System administrators, KDE fans, European enterprise
🍃
Manjaro Intermediate
Base: Arch · Desktop: KDE/GNOME/XFCE

Arch Linux made accessible. Keeps the AUR and rolling release benefits but adds a friendlier installer and hardware detection. A good bridge between beginner distros and Arch.

Pros
Arch benefits, easier setup
Access to AUR
Multiple desktop choices
Good hardware support
Active community
Cons
Delayed Arch packages
Has had stability issues
Less pure than Arch
Past certificate issues
▸ Best for: Intermediate users wanting Arch without the pain
🦜
Parrot OS Security
Base: Debian · Desktop: MATE/KDE

A Kali alternative — security tools included but lighter and more usable as a daily driver. Good for those who want security tools without sacrificing a functional desktop environment.

Pros
Lighter than Kali
More daily-driver capable
Privacy tools included
Debian stable base
Good for older hardware
Cons
Less known than Kali
Smaller community
Fewer pre-installed tools
Less documentation
▸ Best for: Security students wanting a daily driver
❄️
Alpine Linux Advanced
Base: Independent · Desktop: None (typically)

Extremely minimal — the default Docker base image for most containers. Security-focused, uses musl libc instead of glibc. Essential knowledge for anyone working in DevOps or containers.

Pros
Tiny footprint (~5MB)
Security-focused design
Default Docker image
Fast boot times
musl libc (lightweight)
Cons
Not for desktops
musl compatibility issues
Different package manager (apk)
Very minimal
▸ Best for: Containers, DevOps, embedded systems

CompTIA Linux+ Cert Prep

Linux+ (XK0-005) validates your ability to manage, secure, and troubleshoot Linux systems. It's the most vendor-neutral Linux certification available and aligns directly with the link2cyber.com bootcamp.

Exam Details

XK0-005

90 questions · 90 minutes · 720/900 passing score. Performance-based and multiple choice. No prerequisites required but recommend A+ and Network+ first.

Who It's For

Linux Administrators

Junior sysadmins, security analysts, DevOps engineers, and anyone managing Linux systems in enterprise or cloud environments.

Career Value

DoD 8570 Approved

Linux+ satisfies DoD 8570 requirements for IAT Level I and II roles. Valuable for federal contractors and military IT positions.

Linux+ Exam Domains (XK0-005)

System Management (32%)
Security (21%)
Scripting, Containers & Automation (19%)
Troubleshooting (28%)
File systems & storage management
Package management (apt, yum, dnf, rpm)
User & group management
Process management & systemd
Networking configuration
SELinux & AppArmor
Bash scripting fundamentals
Docker & container basics
Git version control
Boot process & kernel management
Log management & monitoring
Firewall & iptables/nftables

Part of the LINKS Network

Link2Linux is the Linux foundation layer connecting to the broader cybersecurity and IT ecosystem.

linksos.org
Structured Debian learning environment — the LinksOS approach to building Linux from the ground up
Live
link2cyber.com
Free 80-day cybersecurity bootcamp — Linux is the foundation for the entire curriculum
Live
link2it.io
Technology for non-programmers — AI, web dev, and IT without a CS degree
Live
nrvmanagedit.com
Managed IT services for NRV small businesses — Linux in production environments
Live
benlinkous.com
The personal hub connecting all 22 sites — built by a retired MSG from Pulaski, Virginia
Live