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2026-09-22
A few days ago I investigated a production server compromise. Not a theoretical one — a real one, with a Monero miner, a C2 agent and a backdoor. The attack was completely automated. No one was specifically hunting that …
Read more2026-09-22
Dokploy — a free panel for deploying Docker applications on your own server. It handles building from Git, running containers, routing via Traefik and issuing Let’s Encrypt certificates, so you don’t need to …
Read more2026-09-22
Where to store a company’s files, databases, and backups — on your own equipment or in a provider’s cloud — is not a technical question, but an economic and legal one. The answer determines expenses for several years …
Read more2026-09-22
This section explains what an OpenVPN Community installation consists of and how to assemble a minimal working configuration: a certificate authority, server and client certificates, a tls-crypt key, and the server.conf …
Read more2026-09-22
Fail2ban protects each server individually: it only sees its own logs and doesn’t know that the same addresses attacked thousands of other machines a minute ago. CrowdSec solves the same problem — detect attacks …
Read more2026-09-22
Any server with SSH open gets scanned by bots within minutes after startup: they try common usernames and passwords, making thousands of attempts per hour. A firewall won’t help here — the SSH port must be open. …
Read more2026-09-22
KVM (Kernel-based Virtual Machine) — a virtualization subsystem built into the Linux kernel since version 2.6.20. It uses CPU hardware virtualization support (Intel VT-x, AMD-V) and turns the Linux kernel into a …
Read more2026-09-22
Proxmox Virtual Environment (Proxmox VE) — a virtualization platform installed on a server as a ready system and managed via a web interface. It is based on Debian, runs virtual machines on KVM and QEMU, and containers …
Read more2026-09-22
Virtualization allows you to run multiple independent virtual machines (VMs) on a single physical server. Each VM has its own operating system, its own disks and network interfaces, while the processor, memory and …
Read more2026-09-22
What is Dokploy Dokploy is a panel for deploying applications to your own server. It is installed on a VPS, runs on top of Docker and Docker Swarm, and takes on what Vercel and Netlify do in their cloud: building from …
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