Olatunde salami articles - 17 total
Monitoring Users and Login Activity (with last, w, who)
Welcome to Day 17 of our Linux Security Basics series! After setting up a firewall with ufw or...
Simple Firewall with ufw or firewalld
Welcome to Day 16 of our Linux Security Basics series! After securing file permissions on topic 5,...
Hardening File Permissions: Practical Steps to Lock Down Data
Welcome to Day 15 of 30days linux challenge. We will be treating the 4th topic in our Linux Security...
Using Fail2Ban to Protect Against Brute Force Attacks
Table Of Content Introduction Why Fail2Ban? Step 1: Installing Fail2Ban Step 2:...
Fortify Your SSH: Lock Out Root, Shift Ports, Key In Security.
Table Of Content Introduction Why SSH Needs Protection Disable Root Login Change the...
Why Linux Is Secure by Design (But Still Needs You)
Table Of Content Introduction What Makes Linux Secure by Design? Multi-User...
Access Unlocked: The Sudo Way
Table Of Content Introduction What is sudo? Why Use sudo? How to Configure sudo...
🛡️Understanding and Using Special Permissions in Linux (with Real-Life Analogies)
Table Of Content Introduction SUID (Borrowing the Boss's Authority) SGID (Group...
SSH and OpenSSH Overview: Secure Remote Access for Linux
Table Of Content Introduction What is SSH? What is OpenSSH? Key Components of OpenSSH How...
The Key to Control: Navigating Users, Groups, and Permissions
Table Of Content Introduction What Are Users, Groups, and Permissions? Getting to Know...
Command Prompt, the Magical Wand of Linux !
Table Of Content Introduction What is This Magical Wand? Essential Commands for...
Taming the Daemons: Mastering Service Control with systemd
As a newcomer to Linux, one of the most empowering skills you can learn is managing system services....
Managing Users and Groups in Red Hat Linux
As a beginner on my 30-day Linux Challenge, focusing on Red Hat Linux, Day 5 was about learning how...
Day 4 of My 30-Day Linux Challenge: Exploring Linux Permissions
As a beginner on my 30-day Linux Challenge to prepare for the RHCSA certification, Day 4 was all...
# Day 3 of My 30-Day Linux Challenge: Mastering Files and Directories
As part of my 30-day Linux Challenge to prepare for the RHCSA certification, Day 3 was all about...
Day 2 of My 30-Day Linux Challenge: Navigating the Linux File System Like a Pro 🗂️🐧
Hey everyone! Welcome to Day 2 of my Linux journey as I prep for the RHCSA certification. Today’s...
Day 1 of My 30-Day Linux Challenge: Why Linux is Awesome
Table of contents My Linux Journey Starts Now Why Linux is So Cool Why Get an RHCSA or RHCE...