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Latest articles in our Blog

What is highly available infrastructure and why is it needed?

What is highly available infrastructure and why is it needed?

What is High Availability infrastructure? Principles of fault-tolerant architecture, elimination of SPOF, failover, data replication, and monitoring. How to build a stable and reliable service.

What is High Availability infrastructure? Principles of fault-tolerant architecture, elimination of SPOF, failover, data replication, and monitoring. How to build a stable and reliable service.

What is High Availability infrastructure? Principles of fault-tolerant architecture, elimination of SPOF, failover, data replication, and monitoring. How to build a stable and reliable service.

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12 min read

How to choose a VPS for a Telegram bot

How to choose a VPS for a Telegram bot

How to choose a VPS for a Telegram bot: CPU, RAM, and disk requirements, webhook or polling, security, monitoring, and scaling without unnecessary costs.

How to choose a VPS for a Telegram bot: CPU, RAM, and disk requirements, webhook or polling, security, monitoring, and scaling without unnecessary costs.

How to choose a VPS for a Telegram bot: CPU, RAM, and disk requirements, webhook or polling, security, monitoring, and scaling without unnecessary costs.

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14 min read

ERR_NAME_NOT_RESOLVED: what this error means and how to fix it

ERR_NAME_NOT_RESOLVED: what this error means and how to fix it

ERR_NAME_NOT_RESOLVED error: what it means, why it occurs, and how to quickly fix it. Detailed DNS diagnostics, dig, NS, TTL, propagation, and practical solutions for production.

ERR_NAME_NOT_RESOLVED error: what it means, why it occurs, and how to quickly fix it. Detailed DNS diagnostics, dig, NS, TTL, propagation, and practical solutions for production.

ERR_NAME_NOT_RESOLVED error: what it means, why it occurs, and how to quickly fix it. Detailed DNS diagnostics, dig, NS, TTL, propagation, and practical solutions for production.

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13 min read

What is WHOIS?

What is WHOIS?

What is WHOIS and how to use it: domain, IP, and ASN verification, status, delegation, GDPR, differences from RDAP, and practical scenarios for administrators and businesses.

What is WHOIS and how to use it: domain, IP, and ASN verification, status, delegation, GDPR, differences from RDAP, and practical scenarios for administrators and businesses.

What is WHOIS and how to use it: domain, IP, and ASN verification, status, delegation, GDPR, differences from RDAP, and practical scenarios for administrators and businesses.

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11 min read

What is a favicon?

What is a favicon?

Favicon - what it is, why you need it, and how to set it up correctly for all browsers and devices. Sizes, formats, SEO impact, and common mistakes in one guide.

Favicon - what it is, why you need it, and how to set it up correctly for all browsers and devices. Sizes, formats, SEO impact, and common mistakes in one guide.

Favicon - what it is, why you need it, and how to set it up correctly for all browsers and devices. Sizes, formats, SEO impact, and common mistakes in one guide.

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10 min read

How to Switch User in Ubuntu

How to Switch User in Ubuntu

Switching users in Ubuntu: su, sudo, sudo -i, sudo -u, and SSH. A practical guide to working securely with permissions, environments, and sessions on servers and desktops.

Switching users in Ubuntu: su, sudo, sudo -i, sudo -u, and SSH. A practical guide to working securely with permissions, environments, and sessions on servers and desktops.

Switching users in Ubuntu: su, sudo, sudo -i, sudo -u, and SSH. A practical guide to working securely with permissions, environments, and sessions on servers and desktops.

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12 min read

How to manage ports on a VPS or dedicated server

How to manage ports on a VPS or dedicated server

Managing ports on VPS and dedicated servers: how to check open ports, configure your firewall correctly, avoid common mistakes, and improve infrastructure security.

Managing ports on VPS and dedicated servers: how to check open ports, configure your firewall correctly, avoid common mistakes, and improve infrastructure security.

Managing ports on VPS and dedicated servers: how to check open ports, configure your firewall correctly, avoid common mistakes, and improve infrastructure security.

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15 min read

Optimizing Windows Server 2022 memory consumption on VPS with limited RAM

Optimizing Windows Server 2022 memory consumption on VPS with limited RAM

Optimizing Windows Server 2022 on a VPS with 2-4 GB of RAM: how the system uses memory, what can be safely configured, pagefile, services, GUI, and when upgrading RAM is more reasonable than tweaking.

Optimizing Windows Server 2022 on a VPS with 2-4 GB of RAM: how the system uses memory, what can be safely configured, pagefile, services, GUI, and when upgrading RAM is more reasonable than tweaking.

Optimizing Windows Server 2022 on a VPS with 2-4 GB of RAM: how the system uses memory, what can be safely configured, pagefile, services, GUI, and when upgrading RAM is more reasonable than tweaking.

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14 min read

What is GitOps?

What is GitOps?

GitOps is an approach to managing infrastructure and Kubernetes through Git as a single source of truth. It simplifies deployment, reduces risks, eliminates configuration drift, and increases control over changes.

GitOps is an approach to managing infrastructure and Kubernetes through Git as a single source of truth. It simplifies deployment, reduces risks, eliminates configuration drift, and increases control over changes.

GitOps is an approach to managing infrastructure and Kubernetes through Git as a single source of truth. It simplifies deployment, reduces risks, eliminates configuration drift, and increases control over changes.

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13 min read

Off-page SEO checklist for improving website ranking

Off-page SEO checklist for improving website ranking

Off-page SEO without myths: links, brand mentions, reputation, and behavioral factors. A practical checklist for evaluating external signals and increasing website trust.

Off-page SEO without myths: links, brand mentions, reputation, and behavioral factors. A practical checklist for evaluating external signals and increasing website trust.

Off-page SEO without myths: links, brand mentions, reputation, and behavioral factors. A practical checklist for evaluating external signals and increasing website trust.

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10 min read