For business, Email is the one of the most important communication tool. When your email working suddenly stop , then it can creation a confusion, delays and in some cases financial loss as well. Many peoples can immediatel think their email server is down or mailbox is broken. In Most of the cases, real issues lie in DNS settings and MX records . This blog, we will explain a common scenario where users stop receiving emails on their domain, why it happens, and how you can fix it step by …
A major security flaw Next.js Vulnerability CVE-2025-66478 has turned up in some Next.js apps that use React Server Components (RSC) with the App Router. With a perfect CVSS score of 10.0, this one’s about as bad as it gets. If someone exploits it, they can run their own code right on your server. This blog post explaining this does a good job: it breaks down what’s wrong, who’s at risk, and how to fix it. If you run a public-facing Next.js app in production, don’t wait. This really needs your …
After reinstalling Debian—whether version 10 (Buster) or 11 (Bullseye)—one of the most common headaches is losing your network configuration. If your setup uses bonded interfaces (LACP / 802.3ad) for redundancy, the reload wipes out all those settings. The system comes up, but there’s no proper connectivity until bonding is restored. This guide walks through the exact steps we follow at SupportPRO to bring the network back up after a reload, get the bonds working again, and make sure SSH is accessible. This process is crucial for server performance, high availability, …
I’ve always been fascinated by how email actually works. You type a message, hit send, and a few seconds later, it shows up somewhere else in the world. There’s a lot happening behind that one click. A while back, I decided to try running my own email server instead of depending on Gmail or Outlook. It wasn’t just about curiosity but also about control. I wanted my data to stay on servers I manage, not in someone else’s giant datacenter. In this post, I’ll walk through how I got Postfix …
The digital age requires businesses and individuals to have a website. Whether you are a developer, blogger, or an entrepreneur, hosting your website securely and efficiently is essential. Let’s see how to create a static website using Amazon Amplify, one of the powerful services offered by Amazon Web Services (AWS)..
Data recovery is the process of salvaging and handling the data through the data from damaged, failed, corrupted, or inaccessible secondary storage media when it cannot be accessed normally. The data is recoverable because the information is not immediately removed from the disk. Nowadays many tools are available for recovering lost data. Two of the most popular tool available are Scalpel and Foremost. In this article, let’s see how to recover lost data using these tools. 1. Scalpel Scalpel is an open source file system recovery for Linux and Mac …
TightVNC is a remote desktop software application and it can be used to connect to another computer and display its live remote desktop. Like other VNC systems, it consists of two parts: the “Server”, which shares the screen of the machine it’s running on, and the “Viewer”, which shows the remote screen received from the server. TightVNC Server is designed to run in two modes: Application mode & Service mode In application mode, the server, just like any other desktop software, can be running only during the current user session …
MariaDB is considered as the fork(replica) of MySQL database. It was developed by the same developer as that of MySQL except for the fact MariaDB offers many more additional functionalities to the MySQL engine. PostgreSQL is an alternative to MySQL working on ORDBMS (Object-Relational Database Management System). As a database server, its primary function is to store data, securely and supporting best practices, and retrieve it later, as requested by other software applications, be it those on the same computer or those running on another computer across a network. The …
A process is a single program running in its own virtual address space. Using this definition, everything running under Linux is a process. The process is a running instance of a program. Linux is a multitasking operating system, which means that more than one process can be active at once. PS can show you the running processes on your system in different ways. Several types of processes are involved with the Linux operating system. Each has its own special features and attributes: An interactive process is a process initiated from …
The RPM Package Manager (RPM) is a powerful command-line driven package management system capable of installing, uninstalling, verifying, querying, and updating computer software packages. Each software package consists of an archive of files along with information about the package like its version, a description, and the like. There is also a library API, permitting advanced developers to manage such transactions from programming languages such as C or Python. Yum is an automatic updater and package installer/remover for rpm systems. It automatically computes dependencies and figures out what things should occur …
