How to Flush Mail Queue and Remove Frozen Emails in Exim

Introduction Exim is a widely used mail transfer agent (MTA) on Unix-like systems, known for its flexibility and high configurability. One of its core components is the mail queue, which temporarily stores email messages waiting to be delivered. Over time, especially on busy mail servers or misconfigured systems, the mail queue can become congested with

FAQ: Cloudflare Features and AI Bot Blocking

🌐 Cloudflare Features and AI Bot Blocking ❓ Can Cloudflare features block AI bots? Yes, Cloudflare features can block AI bots, depending on how your security settings and bot protection rules are configured. Many of our customers use Cloudflare’s built-in tools to filter or restrict unwanted traffic, including known or suspected bots—AI or otherwise. 🔒

FAQ: Does NovaCloud Support VPN?

FAQ: Does NovaCloud Support VPN? Does NovaCloud support VPN? Yes, NovaCloud supports VPN. You can run your own VPN on a NovaCloud instance by setting it up manually. Our cloud infrastructure allows full control over your virtual machine, so you’re free to install and configure VPN software according to your requirements—whether for secure remote access,

How to Set File Permissions and Ownership with chmod, chown, and umask

Introduction Managing file permissions and ownership is a fundamental task in Unix-like operating systems, including Linux. Correctly configuring access rights ensures system security, user isolation, and proper functionality of scripts and applications. This is achieved using commands such as chmod, chown, and umask, each of which plays a specific role in access control. The chmod