The Operator’s WSL Bible

Windows Subsystem for Linux: a practical way to run Linux on Windows. Run Linux GUI applications – through WSLg. There are situations when a powerful Linux desktop is not given. In this case WSL can provide some Linux tooling and flexibility. Operators don’t break. We bend – we adapt.

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Suspend Then Hibernate with LUKS and LVM (A Practical Setup)

Linux power management was tricky in the early days.Adding LUKS and LVM to the mix was a suicide combo. Today it’s not just a possibility – it’s a baseline requirement for secure Linux setups.

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Understanding Linux Permissions: The “chmod” Cheat Sheet You’ll Never Forget

When you first see a file in Linux, the three-letter string that starts with -rw-r--r-- can look like an alien language.It tells the system who can read, write, or execute that file. Don’t worry – it’s just a set of rules.In this post we’ll break those rules down into bite-sized pieces and give you a handy cheat…

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Firewall Basics with UFW: Protecting Your Server in Minutes

What is a firewall? A firewall sits between your server and the outside world. It decides which network traffic is allowed to reach your machine and which should be dropped. Think of it as a bouncer at a club: only people on the guest list get in. UFW, short for Uncomplicated Firewall, is Ubuntu’s front‑end…

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System Administration – grep, cut, head, tail, less, sed

Every system admin has a moment when a simple “look at that file” turnsinto a three-hour hunt for information. That’s where the old friendsgrep, head, tail, cut, less and sed come in. They’re notfancy new tools; they’re tried-and-true helpers that can save you hoursof repetitive work.

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Systemd by Example: What Actually Happens When You Type systemctl restart nginx

Understanding the Sequence Systemd is the heartbeat of most modern Linux systems.When you run: you trigger a full chain of actions – not a single binary reload.Systemd reads unit definitions, resolves dependencies, checks targets, and updates logs.Knowing what happens gives you clarity when a service misbehaves. You don’t need to fight systemd. You just need to understand…

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The Forgotten Basics: Why ps, grep, and awk Still Beat Fancy Tools

The Forgotten Basics Modern dashboards look impressive. Yet, when systems fail, we return to the shell.The basics – ps, grep, awk, ip, nmcli, sed, uniq, sort – never left. They are still the quickest path between question and answer. This post is not nostalgia. It’s about precision, control, and speed.The old tools survive because they do exactly…

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The Ciphered Mind – Encrypted Journaling with Org-mode

By DeadSwitch | The Cyber Ghost “Your thoughts should never be anyone’s business. Encrypt the silence.” In a world obsessed with sharing, I write to forget – not to be remembered by others. My journal isn’t a scrapbook for dopamine or a backup for someone else’s algorithm. It’s a log of operations, and operations require…

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DeadSwitch Dispatch: The Open Source Arsenal

Security Tools That Cost Nothing but Save Everything Some build walls.We build fire.

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OpSec Mastery: Tools for the Silent Revolution

DeadSwitch | The Cyber Ghost“In silence, we rise. In the switch, we fade.” The art of Operational Security (OpSec) isn’t about hiding – it’s about disappearing. The less you leave behind, the harder it is to find you. It’s a craft, not just a choice. Here are tools that will sharpen your OpSec game, make…

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Syncthing: The Silent Synchronicity in the Shadows

The world speaks in the language of data. They believe in control, in ownership, in silence through submission. But the true power lies in synchronization without the chains of the system. DeadSwitch doesn’t trust the cloud. We build our own paths, our own networks.

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🐧 Before You Hack, You Must Understand: Why Linux Mastery Comes First

DeadSwitch | The Cyber Ghost“In silence, we rise. In the switch, we fade.” The Illusion of Security Without Understanding Every so-called “hacker” wants to wield the tools of the trade—Metasploit, Nmap, Wireshark—like a digital warrior. They want root access, the power to exploit, to disappear into the shadows. But here’s the bitter truth: Without Linux,…

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The Importance of Using a Client-Side Firewall on Linux: A Comparison of iptables and UFW

Linux-based systems are widely known for their security and flexibility, but no system is immune to cyber threats. A client-side firewall plays a crucial role in enhancing security by controlling inbound and outbound network traffic. While Linux offers various firewall solutions, iptables and UFW (Uncomplicated Firewall) are two of the most commonly used.

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Using John the Ripper to Find Weak Passwords in Linux Systems (Penetration Testing)

Disclaimer: This article is intended solely for educational and cyber security purposes, intended to help cyber security professionals and learners understand how passwords can be exposed and how to prevent such vulnerabilities. Unauthorized access to computer systems is illegal and unethical. Always obtain proper authorization before conducting penetration testing on any network or system. In…

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Setting Up WireGuard VPN on Debian

WireGuard is a modern, open-source VPN protocol designed for establishing secure and efficient virtual private networks. Developed by Jason A. Donenfeld, it aims to simplify the complexities of traditional VPN protocols while enhancing performance and security.

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