Alexa Velinxs
I'm Alexa Velinxs, a cryptocurrency trading expert passionate about demystifying digital assets for both beginners and seasoned investors. Through my writing, I share actionable strategies, market insights, and practical tips to help you navigate the crypto landscape with confidence. Let's explore the future of finance together.
115 articles
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sar Command in Linux: Monitor Historical System Performance Like a Pro
Monitor CPU, memory, disk I/O, and network—historically. Learn how to install sysstat and use the sar command in Linux to analyze past performance.
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Best Linux IDE in 2026: I Tested 6 (One Became My Daily Driver)
Testing the best Linux IDEs of 2026: VS Code, Neovim, JetBrains, Zed, Eclipse, and Geany ranked by real performance, setup ease, and workflow fit.
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Best Linux Package Manager in 2026: apt, dnf, pacman, Nix Compared
Compare the best Linux package managers in 2026: apt, dnf, pacman, zypper, and Nix. I tested them all — here's which one belongs on your system.
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How to Use nice and renice in Linux: Control Process Priority Like a Pro
Learn how to use Linux nice and renice commands to control process CPU priority. Practical examples for sysadmins managing servers, backups, and builds.
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Best Linux Container Management Tools in 2026: 6 I Tested on My Homelab
Discover the best Linux container management tools in 2026. I personally tested Portainer, Dockge, Lazydocker, ctop, Komodo, and Dozzle on my homelab.
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How to Install MySQL on Linux: Step-by-Step Setup and Security Guide
Learn how to install MySQL on Linux with this step-by-step guide. Covers Ubuntu and RHEL setup, mysql_secure_installation, users, and firewall rules.
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lsblk Command in Linux: List Block Devices and Storage Layout
Learn how to use the lsblk command in Linux with real examples. View block devices, UUIDs, and storage layout with essential options covered.
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vmstat Command in Linux: Monitor CPU, Memory, and Swap in Real Time
Learn how to use the vmstat command in Linux to monitor CPU, memory, swap, and I/O in real time. Includes output explanation and troubleshooting examples.
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Best Linux Distro for Beginners in 2026: Start Here, Thank Me Later
New to Linux? I've tested all the popular options so you don't have to. Here are the best beginner Linux distros for 2026, ranked honestly — no fluff.
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Best Linux Tiling Window Manager in 2026: I Tested 5 (Hyprland Won)
Compare the 5 best Linux tiling window managers in 2026 — Hyprland, Sway, i3, Niri, and dwm. I tested each for performance, config ease, and daily use.
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How to Configure /etc/fstab in Linux (Without Bricking Your System)
Configure /etc/fstab in Linux to automate disk mounting. Learn the six fields, UUID vs device names, key mount options, and how to recover if something breaks.
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How to Change Timezone in Linux: timedatectl and Manual Methods Explained
Learn how to change timezone in Linux using timedatectl, manual symlink, and dpkg-reconfigure. Includes NTP sync, UTC best practices, and real command examples.
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Best Open Source Password Manager in 2026: I Tested 6 on My Homelab
I tested 6 open source password managers on my Linux homelab in 2026—Bitwarden, Vaultwarden, KeePassXC, Proton Pass, and more. Here's which one I actually kept.
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How to Use SSH Config File in Linux: Manage Servers Like a Pro
Use the Linux SSH config file (~/.ssh/config) to create aliases, configure ProxyJump, and manage multiple servers without typing long commands.
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Best Linux File Manager in 2026: 6 I Tested on My Homelab
I tested 6 Linux file managers in 2026 — from blazing-fast Yazi to classic Midnight Commander. Here's which GUI and TUI tools actually belong on your system.
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How to Set Up an NFS Server on Linux: Share Files Across Your Network
Learn how to set up an NFS server on Linux to share files across your network. Step-by-step guide for Ubuntu and RHEL with security tips and mount options.
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How to Use Git on Linux: The Complete Sysadmin Guide
Learn how to use Git on Linux from scratch. Install, configure, commit, branch, and push code. Practical sysadmin workflows with real command examples.
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How to Use LUKS Disk Encryption on Linux (Step-by-Step)
Learn to encrypt disks and partitions with LUKS on Linux using cryptsetup. Covers LUKS2 setup, key management, header backup, and auto-mount at boot.
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Best Linux Desktop Environments in 2026: I Tested 5 on My Homelab (One Changed My Workflow)
Tested 5 Linux desktop environments on my homelab in 2026. How GNOME 48, KDE Plasma, XFCE 4.20, and Cinnamon actually perform — plus which one I switched to.
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Best Linux Shell in 2026: Bash, Zsh, Fish, and Nushell Compared
Compare the best Linux shells in 2026 — Bash, Zsh, Fish, and Nushell. Find out which shell fits your workflow based on speed, features, and scripting needs.
