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2026-09-22
MikroTik routers are valued by system administrators for their configuration flexibility. A budget home hAP lite and a corporate router that costs thousands of dollars run the same operating system — RouterOS. This means …
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TrueNAS — a free operating system for network-attached storage (NAS). It is installed on a regular PC or server with multiple disks, and it starts serving files over the network, making snapshots and backups, running …
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
When static routing is not enough In most home and small office networks routes are simple: all traffic goes to a single provider, and rare exceptions are set with static routes. But when there are several routers, …
Read more2026-09-22
A firewall, Fail2ban and CrowdSec respond to attacks that are already underway. An audit solves a different task: to find weak spots in the server configuration in advance — extra services, permissive SSH settings, …
Read more2026-09-22
Firewall — the first thing you set up on a new server, even before Fail2ban, CrowdSec, and auditing. Its job is simple: allow only the traffic needed by running services and drop everything else. The fewer open ports, …
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
Hyper-V is Microsoft’s hypervisor. It is included in Windows Server as a role and in Windows 10 and 11 Pro and Enterprise editions as an optional component. Hyper-V is a Type-1 hypervisor: once the role is enabled …
Read more2026-09-22
Xen — a Type 1 open-source hypervisor: it runs directly on the hardware, before any operating system. The project is developed under the Linux Foundation, the primary license is GPLv2. Current version — Xen 4.22 (30 July …
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