In an era where online threats are constantly evolving, securing your WordPress site is more crucial than ever. Cyberattacks, data breaches, and unauthorized access can severely damage a website’s reputation and functionality. The good news is that you can significantly improve your website’s security by implementing Two-Factor Authentication (2FA). This guide will walk you through ..
Category : Security
As CentOS 7 approaches its end of life (EOL), migrating to a new, stable Linux distribution becomes increasingly important. AlmaLinux, a community-driven open-source fork of Red Hat Enterprise Linux (RHEL), is a popular replacement, offering long-term support and seamless compatibility with CentOS. In this tutorial, we will walk you through the steps to upgrade CentOS ..
Introduction In today’s rapidly evolving digital world, protecting your Linux server with a simple password is no longer enough. With hackers developing more sophisticated tools, the chances of your system being compromised increase daily. A single password, no matter how strong, can be guessed or stolen. This is where 2FA (two-factor authentication) comes into play. ..
Linux Unified Key Setup (LUKS) is a widely recognized standard for encrypting file systems on Linux. It provides a robust mechanism for protecting sensitive data by securing entire partitions or block devices. In an age where privacy concerns and data breaches are at an all-time high, encrypting your file systems is crucial for both personal ..
As cybersecurity threats grow more sophisticated, ensuring the security of your Linux system is critical. Among the arsenal of tools available for enhancing Linux security, AppArmor and SELinux are two of the most powerful. These Mandatory Access Control (MAC) systems provide an additional layer of protection by restricting how applications can interact with the system. ..
Introduction Setting up NFS (Network File System) on Ubuntu allows you to share files and directories between multiple systems over a network seamlessly. This guide provides detailed instructions to help you configure NFS on Ubuntu, enhancing your file-sharing capabilities and improving network efficiency. Setting Up NFS on Ubuntu Setting up NFS (Network File System) on ..
Introduction In the digital age, data is the lifeblood of any organization. Losing critical data can be devastating, making data backups essential. Automating server backups with rsync and cron on CentOS ensures that your data is consistently backed up without manual intervention. This guide delves into the intricacies of using rsync and cron, two powerful ..
If you’re like me, you still cling to soon-to-be-deprecated commands like ifconfig, nslookup, and netstat. The new replacements are ip, dig, and ss, respectively. It’s time to (reluctantly) let go of legacy utilities and head into the future with ss. The ip command is worth a mention here because part of netstat‘s functionality has been replaced by ip. This article covers the essentials for the ss command so ..
Introduction DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect forged sender addresses in emails, a technique often used in phishing and email spam. DKIM allows an organization to claim responsibility for a message in a way that can be validated by the recipient. OpenDKIM is an open-source implementation of the DKIM ..
Introduction Active Directory (AD) is a critical component of many enterprise IT environments, providing a centralized and standardized system for managing network resources, user accounts, and security policies. PowerShell, with its robust scripting capabilities, offers a powerful toolset for managing AD. This guide will provide a detailed overview of using PowerShell to manage Active Directory, ..
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