Articles and guides

• Linux commands for a GPU host: a searchable cheat sheet 12 min Over a hundred commands you need on a Vast.ai server every week: GPUs, disks, network, services, Docker, logs and the Vast daemon itself. A one-line explanation for each and keyword search. Free.
• Hashcats on an RTX 4090: how long a cat takes and what it really costs 7 min Live numbers from hashcats.fun: a 42–45-bit target, 4–35 trillion hashes per cat, 15 minutes to 2 hours on one RTX 4090 in CUDA. And why the bottleneck is not the card but the $206 entry price.
• Remote access to your own server without a public IP: how it works and why it's safe 6 min SSH and RDP to a NAT'd machine with one command — no VPS, no port forwarding. The idea, the safety, and how to start.
• Why cards earn more on Vast.ai: the economics 8 min The numbers behind why busy cards earn more than idle time or mining.
• Clore vs Vast.ai: an honest 7-point comparison 6 min Demand, pricing, payouts, entry barrier and support — no marketing, no fluff.
• How much you can really earn renting GPUs in 2026 7 min Realistic income ranges by popular cards and what drives utilization.
• A checklist before switching to Vast.ai 5 min What to check in hardware, network and paperwork for a smooth move.
• Farm economics: income, costs and payback 9 min The income formula, GPU price benchmarks and an honest payback estimate for a 4×4090 rig.
• Choosing and buying hardware for rental 8 min Three builds for about 1M rub, a comparison and the pitfalls: measure upload instead of trusting the NIC vendor, the 4090 reset bug on multi-GPU builds, RAM per card.
• Site and electricity 9 min Power budget, a dedicated line, cooling, hot-add networking and stable power.
• Internet channel in Russian reality 7 min Symmetric 500/500, asymmetry and NIC traps, blocking, and tens of TB per month of traffic.
• How much a mining farm makes in 2026: my $1,737 month, broken down by card 12 min Over 31 days, from 3 August to 2 September 2026, my six machines with ten GPUs brought in $1,737 at an average utilization of 90%. This is not a back-of-the-envelope estimate or a screenshot of one lucky day: the income of every machine is published openly on the "Fleet" page of my site, Vast Sale, and refreshes every hour.
• Installing Ubuntu 22.04 Server for Vast.ai: step-by-step guide 15 min From boot USB to a ready system: BIOS, every installer screen and disk partitioning — a picture for each step. Free.

Your GPUs, your power tariff: see what they would earn.

• From idle to income: the complete Vast.ai farm migration 16 000 ₽ From mining, rentals or Clore — 9 chapters from farm audit to first orders: commands, install, RKN-bypass, pricing and monitoring. Everything to switch without losing income. 56 min. Buy
• Server setup for Vast.ai: from hardware to first order 8 000 ₽ Drivers, Docker, host agent and tests — a stable node from the first launch. 30 min. Buy
• Pricing and maximizing GPU utilization 8 000 ₽ How to price so your cards stay busy and earn the most. 25 min. Buy
• Security, uptime and host reputation 8 000 ₽ How to secure your node, keep uptime and grow rating for steady orders. 25 min. Buy
• Backup tunnel: how to survive a VPS outage without losing clients 8 000 ₽ Every VPS at one provider rebooted at once — and the rigs went down with them. We set up a backup VPS in another country and taught the machines to jump to it automatically. 9 chapters: what happens to the score, why the usual advice fails, and a ready failover script with rollback. 32 min. Buy
• The machine is “inactive” yet everything works: a stuck vast controller 5 000 ₽ A rare failure no routine check catches: the link is perfect, the tunnel is up, clients are running — yet the marketplace considers the machine dead. The diagnosis and a watchdog that fixes it on its own. 11 min. Buy