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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How to Use Ansible on Linux: Automate Your Servers Like a Pro
Learn how to use Ansible on Linux to automate server setup with playbooks, inventories, and modules. Step-by-step guide with real examples for sysadmins.
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How to Install Apache Web Server on Linux (Step-by-Step)
Learn how to install Apache on Linux step by step. Covers Ubuntu, Debian, and RHEL/Rocky Linux with virtual hosts, firewall config, and security hardening.
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Best Linux Disk Usage Analyzers in 2026: 5 Tools I Tested on My Homelab
Discover the 5 best Linux disk usage analyzers in 2026. I tested ncdu, gdu, dust, duf, and Baobab on my homelab — here's which one you actually need.
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Linux Bash Aliases: Create, Save, and Supercharge Your Terminal Workflow
Learn how to create and manage Linux bash aliases to speed up your terminal. Practical examples for navigation, safety, system admin, and networking shortcuts.
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Best Linux Security Tools in 2026: 7 I Run on Every Server
Protect your Linux server with these 7 open source security tools I personally run on every box. From Lynis auditing to Fail2ban, rkhunter, and Suricata IDS.
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How to Use the date Command in Linux: Format, Timestamps, and Scripts
Master the Linux date command: formatting output, date arithmetic, Unix timestamps, timezones, and real bash scripting examples for sysadmins.
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Best Linux Virtualization Software in 2026: 7 I Tested in My Homelab
The best Linux virtualization software in 2026, tested: Proxmox VE, KVM/QEMU, VirtualBox, GNOME Boxes, and more — ranked for homelab and enterprise use.
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How to Set Up Prometheus and Grafana on Linux (Step-by-Step)
Set up Prometheus, Node Exporter, and Grafana on Linux step by step. Get a live CPU, RAM, and disk monitoring dashboard in under 30 minutes.
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How to Use Podman in Linux: Run Containers Without Docker
Learn how to use Podman in Linux: install it, run rootless containers, manage images, and integrate with systemd. The Docker alternative that is free forever.
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Best Linux Monitoring Tools in 2026: 7 I Tested for My Homelab
Discover the best Linux monitoring tools in 2026. I tested 7 options — Netdata, Prometheus, Zabbix, Cockpit, and more — ranked for real sysadmins.
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How to Use find Command in Linux: Search Files Like a Pro
Learn how to use the find command in Linux to search files by name, type, size, permissions, and time — with real sysadmin examples and exec tricks.
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Best Linux Distro for Servers in 2026: 6 Options Ranked and Tested
I tested 6 Linux distros for servers in 2026. Ubuntu, Debian, AlmaLinux, Rocky, Fedora, openSUSE—here is which one belongs on your production server.
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How to Use tee Command in Linux: The Output Tool Every Admin Needs
Learn how to use the Linux tee command to write output to files and terminal simultaneously. Real examples: sudo tee, append mode, stderr capture, and scripting.
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How to Use Docker Compose in Linux: Deploy Multi-Container Apps Fast
Learn how to use Docker Compose in Linux to manage multi-container apps with one YAML file. Covers install, compose.yaml syntax, key commands, and real examples.
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Best Linux Backup Software in 2026: 6 Tools I Tested for My Homelab
Tested 6 Linux backup tools in 2026 — Restic, Borg, Kopia, Timeshift and more. Find the best Linux backup software for your homelab or server.
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How to Use Systemd Timers in Linux: The Modern Cron Alternative
Learn how to create and manage systemd timers in Linux — a powerful cron alternative with better logging, dependency support, and missed-run recovery.
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How to Edit the Sudoers File in Linux: Manage sudo Permissions Safely
Learn how to edit the sudoers file in Linux using visudo, grant precise sudo permissions, use NOPASSWD, and avoid common misconfigurations that lock you out.
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How to Use fdisk in Linux: Partition Disks the Right Way
Learn how to use fdisk in Linux to create, delete, and manage disk partitions. Step-by-step guide covering mkfs, fstab, and partition best practices.
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How to Install Let’s Encrypt on Linux with Certbot (Step-by-Step)
Learn how to install Let's Encrypt SSL on Linux with Certbot for Nginx. Get a free certificate, set up auto-renewal, and secure your server in minutes.
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Best Text Editor for Linux in 2026: I Tested 5 (One Replaced My IDE)
I tested 5 popular Linux text editors — Nano, Vim, Neovim, VS Code, and Emacs — so you don't have to. Here's what sysadmins actually need in 2026.
