Virtualization tutorial - IT technology blog
Posted inVirtualization

How to Install and Use Lima on macOS: Create Lightweight Linux VMs with QEMU and VZ Framework as a Free Docker Desktop Alternative

Lima is an open-source tool for creating Linux virtual machines on macOS using QEMU or Apple's VZ Framework, replacing Docker Desktop completely for free. This article compares available solutions, walks through Lima installation, Docker integration, and managing multiple VMs from the command line.
Virtualization tutorial - IT technology blog
Posted inVirtualization

Deploying Proxmox Mail Gateway as a Protective Layer for Your Mail Server: A Professional Guide to Virtualizing Spam and Malware Filtering

A step-by-step guide to deploying Proxmox Mail Gateway (PMG) as a protective layer in front of an internal mail server, filtering spam and scanning for viruses using SpamAssassin and ClamAV. Covers installation, relay domain configuration, filter rule creation, and quarantine monitoring — ideal for junior sysadmins new to email security.
Virtualization tutorial - IT technology blog
Posted inVirtualization

QEMU Guest Agent: Installation and Configuration on Linux/Windows for Consistent Snapshots and VM Monitoring

QEMU Guest Agent (qemu-ga) is a daemon running inside the VM that freezes the filesystem before snapshots are taken, ensuring data consistency and preventing corruption on restore. This guide covers installation on Linux and Windows, configuration with KVM/libvirt and Proxmox, plus troubleshooting for common issues.