microsrv Blog — Stable Virtual Machines

Hermes Agent: a Self-Improving AI Agent in a Container on microsrv

Thu, 10 Sep 2026 00:00:00 GMT

What Hermes Agent from Nous Research can do and how to run it in a container on microsrv: official image pinned by digest, gateway mode, dashboard with basic auth, and publishing via an HTTPS gateway.

Hybrid Workloads in a Single VPC: Combining Containers and VMs in microsrv

Wed, 19 Aug 2026 00:00:00 GMT

How to pair the density of containers with the flexibility of KVM virtual machines in a unified private network using a self-hosted Git & CI/CD stack.

Live VM Migration Explained: Moving RAM and Processes Without Downtime

Sun, 02 Aug 2026 00:00:00 GMT

How live migration works: pre-copy, dirty pages, stop-and-copy, cold restart as a fallback, and the way the microsrv orchestrator migrates VMs before Spot hosts are reclaimed.

Replicated VM Storage: Keeping Disks Alive When Hosts Fail

Sun, 02 Aug 2026 00:00:00 GMT

How ephemeral disks differ from replicated volumes, what RPO looks like after a hard failure, why synchronization must begin before migration, and how microsrv preserves filesystems when a Spot host is reclaimed.

Spot vs On-Demand: Calculating Real Savings After Interruptions

Sun, 02 Aug 2026 00:00:00 GMT

A TCO model for Spot and On-Demand capacity: list price, uptime, downtime costs, and operational overhead. Why a 70% raw Spot discount does not yield 70% savings in production. How microsrv delivers about 25% without rearchitecting.

SSH Without a Public IP: Why VM Access Gateways Matter

Sun, 02 Aug 2026 00:00:00 GMT

The risks of exposing port 22, the differences between a bastion or jump host and an SSH gateway, agent forwarding, and a stable ssh -A @msrv.space address across live migrations.

eBPF Networking in microsrv: Preserving IPs, Sockets, and Gateways During VM Migration

Sun, 26 Jul 2026 00:00:00 GMT

microsrv's network layer explained: decoupling guest addresses from physical hosts, isolated VPCs, SSH gateway and HTTPS gateway, and preserved TCP sessions during live migration.

What Are Preemptible (Spot) Virtual Machines? Benefits, Risks, and Architecture

Sun, 26 Jul 2026 00:00:00 GMT

How Spot and preemptible instances work: where discounts of up to 80% come from, how eviction notices work, what limitations apply, and how to design applications for interruptible capacity.