Operating Systems

CentOS 7, renowned for its stability and reliability, is a preferred choice for server environments. However, it ships with Python 2.x by default, which is outdated for many modern applications that require Python 3. This guide provides a step-by-step process…

Efficient email management is crucial for both personal and professional communication. AlexHost’s Email Hosting services provide a robust foundation with enhanced security, swift performance, and comprehensive support for IMAP/SMTP configurations, ensuring seamless integration with email clients like Spark. Spark is…

In the Linux operating system, symbolic links, or symlinks, are crucial tools that allow users to create a reference to another file or directory without duplicating the actual data. This guide will provide an in-depth understanding of creating and removing…

Efficient package management is crucial for maintaining an optimized Ubuntu server, especially when hosting critical applications. At AlexHost, our Linux VPS Hosting offers a robust platform with full root access, enabling you to manage packages seamlessly using tools like `apt`,…

Yellowdog Updater, Modified (YUM) is a robust package management utility in RPM-based Linux distributions, such as CentOS, Fedora, and RHEL (Red Hat Enterprise Linux). YUM simplifies the installation, updating, and removal of software packages. This guide delves into key YUM…

The 401 Unauthorized error is a common HTTP status code indicating that the request requires user authentication. This error occurs when a client attempts to access a resource on a server without providing valid credentials. Understanding the underlying causes and…

Linux, renowned for its flexibility and robustness, is a leading operating system among developers, system administrators, and tech enthusiasts worldwide. Its open-source nature and strong community backing have driven its continuous evolution, making it a reliable choice for everything from…

Creating a new folder in Ubuntu is done primarily with the mkdir command in the terminal. The basic syntax is mkdir folder_name, which instantly creates a directory in your current working location. For nested structures, mkdir -p parent/child/grandchild creates the…

The error "SET PASSWORD has no significance for user 'root'@'localhost'" occurs in MySQL when the server refuses to process a SET PASSWORD command for the root account — typically because the root user is authenticated via the auth_socket or unix_socket…

Monitoring RAM usage in Linux means querying the kernel's memory subsystem to retrieve metrics on physical memory allocation, swap utilization, and per-process resident set sizes. The most direct methods use built-in utilities — free, top, htop, ps, vmstat, and smem…