sudo lets an authorized user execute a command as another user, usually root. The sudoers policy determines which commands are permitted and under what conditions. This makes it possible to delegate administrative tasks without sharing the root password.
KVM vs Hyper-V: Differences, Performance, Cost, and Use Cases Virtualization · Informational Guide KVM vs Hyper-V: Differences, Performance, Cost, and Use Cases KVM and Microsoft Hyper-V are two established virtualization platforms, but they fit into different operating environments and management…
KVM and QEMU are often mentioned together, but they are not the same technology. QEMU can emulate a complete computer and can also run virtual machines using hardware-assisted virtualization.
KVM (Kernel-based Virtual Machine) is Linux kernel virtualization infrastructure that uses hardware virtualization extensions to run guest operating systems efficiently. QEMU provides the machine emulator and virtual device model, while libvirt offers a consistent management API and tools for creating, configuring and controlling VMs.
How to Set Up SSH Key-Based Authentication on Linux | VMoreCloud VMoreCloud Linux Tutorial How to Set Up SSH Key-Based Authentication on Linux Configure SSH public-key authentication on a Linux server to reduce reliance on password logins. This step-by-step guide…
Choosing between AlmaLinux and CentOS Stream depends on whether you need a stable, RHEL-compatible platform for long-running workloads or a distribution that tracks the public development of Red Hat Enterprise Linux (RHEL).
LINUX • CYBERSECURITY • SERVER ADMINISTRATION AlmaLinux Server Hardening Checklist: 20 Essential Security Steps A fresh AlmaLinux installation is a starting point—not a complete security baseline. Use this practical AlmaLinux server hardening checklist to reduce unnecessary exposure, secure administrative access,…
VMoreCloud • Linux Tutorials • Distribution Comparison AlmaLinux vs CentOS Stream: Differences, Stability, Support and Which One to Choose Compare AlmaLinux and CentOS Stream by release model, Red Hat Enterprise Linux (RHEL) relationship, compatibility, lifecycle, update flow and real-world server…
VMoreCloud • Linux Tutorials • Server Administration AlmaLinux Post-Install Configuration: EPEL, DNF, Static IP, Firewall, SELinux, Cockpit and SSH Set up an AlmaLinux server with useful repositories, reliable package-management habits, a persistent static IP, firewall rules, SELinux, the Cockpit web…
VMoreCloud • Linux Tutorials • Migration Migrate CentOS 7, CentOS 8 and Rocky Linux to AlmaLinux — Upgrade AlmaLinux 9 to 10 A practical migration guide covering the right tool for each path: ELevate for legacy CentOS 7 and major-version…
