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What are clouds made of? Linux servers, mostly.

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The OPSEC Starter Journal: A Real-World Guide for Beginners

The OPSEC Starter Journal: A Real-World Guide for Beginners

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3 min read
5 Custom Bash Scripts to Monitor Your Linux Server Performance

5 Custom Bash Scripts to Monitor Your Linux Server Performance

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10 min read
Mastering Permission Management with `sudoers` in Red Hat Linux

Mastering Permission Management with `sudoers` in Red Hat Linux

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2 min read
Quickstart guide to IRIS DB on Linux Systems

Quickstart guide to IRIS DB on Linux Systems

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12 min read
Mastering the `history` Command in Red Hat Linux: Tracking and Managing Commands

Mastering the `history` Command in Red Hat Linux: Tracking and Managing Commands

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1 min read
🔐 Blog – Mastering Identity and Access Management (IAM) on Windows Server, Linux and Azure AD

🔐 Blog – Mastering Identity and Access Management (IAM) on Windows Server, Linux and Azure AD

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2 min read
Cloud Monitoring – Visibility is Power

Cloud Monitoring – Visibility is Power

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1 min read
Simple menus in Bash scripts with select

Simple menus in Bash scripts with select

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1 min read
User and Group Management in Red Hat Linux

User and Group Management in Red Hat Linux

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3 min read
Day 9/ 30 Days of Linux Mastery: Special Permissions (SUID, SGID, Sticky Bit)

Day 9/ 30 Days of Linux Mastery: Special Permissions (SUID, SGID, Sticky Bit)

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3 min read
Building a Simple TCP Client in C: A Ground-Up Networking Exercise

Building a Simple TCP Client in C: A Ground-Up Networking Exercise

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3 min read
Mastering Vim: Buffers, Windows, and Your Text Editing Arsenal

Mastering Vim: Buffers, Windows, and Your Text Editing Arsenal

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11 min read
How to Build Custom Filters with awk and sed Pipelines on Ubuntu 20.04

How to Build Custom Filters with awk and sed Pipelines on Ubuntu 20.04

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10 min read
Load Balancing Explained: Nginx, HAProxy, and Layer 4 vs 7 Deep Dive

Load Balancing Explained: Nginx, HAProxy, and Layer 4 vs 7 Deep Dive

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5 min read
You guys should try Linux 🚀🚀🔥

You guys should try Linux 🚀🚀🔥

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1 min read
JSONK: A High-Performance JSON Library for Linux Kernel Space

JSONK: A High-Performance JSON Library for Linux Kernel Space

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7 min read
How vim Prevents Blowing Up Your SSDs?

How vim Prevents Blowing Up Your SSDs?

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4 min read
Five Things to Try First in RHEL 9 (Without Accidentally Blowing Anything Up)

Five Things to Try First in RHEL 9 (Without Accidentally Blowing Anything Up)

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4 min read
🦸‍♂️Mastering `grep` in Linux - Search Like a Superhero

🦸‍♂️Mastering `grep` in Linux - Search Like a Superhero

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4 min read
Understanding Linux File Permissions - The Smarter Way (Day 9 of 30)

Understanding Linux File Permissions - The Smarter Way (Day 9 of 30)

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3 min read
Simple Firewall with ufw or firewalld

Simple Firewall with ufw or firewalld

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3 min read
The 5 Most Overlooked Linux Files That Could Expose Your Server to Hackers | by Faruk Ahmed | Apr, 2025

The 5 Most Overlooked Linux Files That Could Expose Your Server to Hackers | by Faruk Ahmed | Apr, 2025

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1 min read
How to Detect and Block Malicious IPs on Your Ubuntu Linux Server in Real Time | by Faruk Ahmed | Apr, 2025

How to Detect and Block Malicious IPs on Your Ubuntu Linux Server in Real Time | by Faruk Ahmed | Apr, 2025

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1 min read
How to Set Up a Honeypot on Your Linux Server to Catch Attackers in Action | by Faruk Ahmed | Apr, 2025

How to Set Up a Honeypot on Your Linux Server to Catch Attackers in Action | by Faruk Ahmed | Apr, 2025

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1 min read
How to Audit Your Linux Server for Hidden Threats in Under 15 Minutes | by Faruk Ahmed | Apr, 2025

How to Audit Your Linux Server for Hidden Threats in Under 15 Minutes | by Faruk Ahmed | Apr, 2025

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1 min read
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