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Author page: keithmfoster

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How to Lock Down Your WordPress Site by Disabling Risky PHP Functions

Running a WordPress site? Cool. Then you probably already know it’s one of the most popular platforms out there—for bloggers, businesses, online stores, you name it. But popularity comes with a price. Because WordPress is everywhere...

April 1, 2025 keithmfoster htaccess, php.ini, wordpress 0 Comments

.htaccess: Usage, History, and How to Set It Up for a Website

Introduction Making your server more secure, implementing URL redirections, or customizing error pages is really important for effectively managing your website! If you’re using an Apache web server, one of the easiest and most...

February 10, 2025 keithmfoster apache, htaccess 0 Comments

Understanding MAC Addresses: Construction, Significance, and Spoofing Methods

MAC addresses, or Media Access Control addresses, play a crucial role in networking by uniquely identifying devices on a network. My article explores how MAC addresses and how they are constructed, delving into the intriguing world of MAC...

February 10, 2025 keithmfoster PowerShell, Python, spoofing 0 Comments

Removing Users from Exchange Groups in Bulk

Removing Users from Exchange Groups in Bulk Managing user accounts and group memberships in an on-premise Exchange environment is a routine yet critical task for Exchange administrators. When a user leaves an organization, it’s...

September 10, 2024 keithmfoster 0 Comments

How to Extend the Disk Size in Rocky Linux Running in VMware

How to Extend the Disk Size in Rocky Linux Running in VMware Expanding the disk size on a virtual machine (VM) running Rocky Linux in VMware is a task you might encounter when you need more storage space for your applications or files. The...

September 1, 2024 keithmfoster Expand Hard Drive, Rocky Linux 0 Comments

Managing Password Encryption in PostgreSQL Versions 15 and 16

This comprehensive guide delves into managing password encryption in PostgreSQL versions 15 and 16. It provides a step-by-step approach to determining the current password encryption method and configuring it to use either MD5 or SHA-256...

May 16, 2024 keithmfoster PostgreSQL 0 Comments
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