Getting Started in Web App Pen Testing: A Beginner's Guide
Have some time on your hands and looking to learn about web app pen testing? Here's some advice for getting started.
Linux Learn Tips and Tricks - Page 11
Find the HOWTO or step-by-step guide that you need right here.
GitHub Actions Linux Self-Hosted Runners Security Risks 2025-30066
Self-hosted GitHub Actions runners give organizations far more flexibility than standard cloud-hosted runners. Teams can integrate internal infrastructure directly into CI/CD workflows, automate Kubernetes deployments, run custom tooling, and manage ...
Updating & Upgrading Linux Distributions: Essential Security Practices
Applying security updates promptly after they are relea...
Elevate Linux Security in 2024 with Advanced Tools and Strategies
As we navigate 2024, the cybersecurity landscape contin...
Fortify Your Linux Security: Conduct System Audits Using Lynis
Looking to improve the security of your Linux system? Then you'll want to consider auditing your system with Lynis. Learn how this can be done in a detailed tutorial.
8 Essential Linux Lockdown Controls for Enhanced Security
Learn how to lock down your Linux system from unwanted access locally and across the network with eight helpful system controls.
Configuring UFW Firewall on Ubuntu 20.04 for Enhanced Security
Are you an Ubuntu user? Learn how to use the UFW tool to configure and manage a firewall on Ubuntu 20.04 in a helpful Linuxize tutorial.
Critical Procedures for Restoring a Compromised Linux Environment
Discovering a system breach and recovering a breached system are not fun at all. However, knowing what to do in the case of a breach is critical - here are the steps to recovery.
Essential Backup Management Techniques for System Administrators
Most system administrators know the importance of backing up data - but what should you do with all the backups and archives you've created to ensure that they remain secure? Find out in this article.
How To Secure Kubernetes Cluster By Stopping Unwanted Kernel Modules
Looking to secure a Kubernetes cluster? One step you should take is unloading unnecessary kernel modules in your Linux containers. Learn how to stop modules from loading on your containers in a helpful tutorial.
Five Essential Linux Backup And Restore Tips From Real Experience
Learn five helpful backup and restore tips for Linux from someone who's been there, failed, and then succeeded.
Track COVID-19 Statistics Using Command Line Tools on Linux
Are you a Linux user trying to stay up-to-date on the Coronavirus pandemic? Learn how to track COVID-19 statistics from Commandline using Corona-cli, Coronavirus-tracker-cli and COVID-19 Tracker CLI in this helpful tutorial.
How to Clear DNS Cache on Linux for Improved Connectivity Options
One of the ways to solve connection issues is by clearing DNS cache. The Domain Name System works to resolve website names into their respective IP addresses.
How to Create a User in Linux Without Allowing Login Access
For security reasons, you might need to create a Linux user without the ability to log in. Jack Wallen shows you how.
Explore Kali Linux: The Leading Distro for Penetration Testing and Security
Fast forward to that scene in a World War II movie where a grizzled, cigar-chomping sergeant removes the dusty tarp covering the Big Guns. That's approximately what it feels like to pick up Kali and start playing around with it.
Using Restricted Shell For Access Control In Linux Systems
Learn how to prevent Linux users from executing certain commands and confining them to their home directory by employing rbash.
Enhancing Linux Kernel Security Through Sysctl Parameters
Linux kernel security can be increased at runtime using sysctl, allowing to mitigate potential vulnerabilities and exploits.
Set Up Dnscrypt-Proxy for Secure DNS on Linux Operating Systems
This article describes how to install and configure dnscrypt-proxy to use DNSCrypt and DNS-over-HTTPS (DoH) with DNSSEC. Learn how to use dnscrypt-proxy to secure DNS queries in Linux:
Install Let's Encrypt SSL on Nginx for CentOS 8 and Enable HTTP/2
Let's Encrypt is a free, automated, and open certificate authority developed by the Internet Security Research Group (ISRG) that provides free SSL certificates. Learn how to install a free Let's Encrypt SSL certificate on CentOS 8 running Nginx as a web server and how to configure Nginx to use the SSL certificate and enable HTTP/2 in an informative tutorial:
Exploring SSH Command for Securing Remote Server Connections
Secure Shell (SSH) is a cryptographic network protocol used for an encrypted connection between a client and a server. The ssh client creates a secure connection to the SSH server on a remote machine. The encrypted connection can be used to execute commands on the server, X11 tunneling, port forwarding, and more. Learn more about SSH command and its role in securely managing a remote server:
Testing DNSSEC Using Dig Command Line on Linux and Unix Systems
How do I test and validate DNSSEC using thedig commandline under Linux, macOS, *BSD, and Unix-like systems? Learn how to test and validateDNSSEC using dig command line:
Securing An Inherited Linux System: Guide For Sysadmins
Learn how to secure an inherited Linux system you didn’t build but are suddenly responsible for:
Bypassing SSH Bastion Authentication With Multiplexing Techniques
For any red teamer, SSH bastions (hosts that can control access between environments) can be difficult to compromise due to the use of multi-factor authentication (MFA) technologies. In a typical scenario, you may end up on a user’s host that has access to the bastion thanks to phishing or exploiting a vulnerability with the compromised user’s permissions. Learn more about SSH multiplexing and its role in bypassing authentication on SSH bastion hosts:
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