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In-depth articles on Cloud VPS, dedicated servers, cybersecurity, and digital transformation. Stay updated with the latest tech news from Xylentis.

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Setting up a professional Mail Server on a VPS: Bypassing Spam Filters and Standard Configuration (SPF, DKIM, DMARC)

Solving the problem of sending emails from a VPS. Configuring complex DNS records and managing IP reputation to prevent emails from ending up in the spam folder.

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6 minutes read

Deploying a Lightweight Kubernetes Cluster (K3s/K8s) on a Low-Configuration VPS Environment

Guide to running Orchestration for Containers on a VPS. Using K3s to save resources while ensuring application scaling capabilities.

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5 minutes read

Kernel Hardening and Infrastructure-Level DDoS Attack Protection for VPS

In-depth tuning of Kernel parameters (sysctl), advanced use of Iptables/NFTables, and setting up traffic filtering layers (Rate Limiting) to protect your VPS from denial-of-service attacks.

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6 minutes read

Building a Personal/Business Cloud Storage System on a VPS with Nextcloud and S3 Backend

Transforming your VPS into a separate "Google Drive." Learn how to connect your VPS to object storage services (S3) to store large amounts of data at a low cost without filling up your VPS hard drive.

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6 minutes read

Load balancing using multiple VPSs to handle high traffic

Guide to using HAProxy or Nginx as a front-end Load Balancer, distributing traffic evenly across two or more back-end VPS Web Servers to avoid bottlenecks.

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6 minutes read

Techniques for expanding VPS storage space without service interruption

Guide to mounting additional Block Storage, using Object Storage (S3 API), or setting up NFS when VPS hard drive is full without upgrading the entire configuration package (CPU/RAM).

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5 minutes read

Advanced network configuration on VPS: IPv6, Private Network, and internal link security

How to set up a virtual LAN (Private Network) between multiple VPSs from the same provider for secure data transmission, no bandwidth charges, and IPv6 setup.

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5 minutes read

Optimizing VPS as Dedicated Database Servers

Analyzing why separate web servers and database servers are necessary. Guide to fine-tuning MySQL/PostgreSQL configuration on VPS to maximize RAM and disk I/O.

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6 minutes read

Integrating CI/CD Pipelines to Automate Code Deployment to VPS

How to set up GitHub Actions or GitLab CI to automatically test, build, and securely deploy code to VPS servers with each new commit, eliminating manual uploads via FTP.

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Building a Comprehensive Monitoring System for Multiple VPS Servers using Prometheus and Grafana

Going beyond basic Control Panel settings. Instructions on installing node_exporter to collect metrics (CPU, RAM, Disk I/O, Network) and generate real-time alert graphs.

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5 minutes read

Master-Slave and High Availability (HA) Architecture for VPS Cluster Operation

How to set up multiple VPS servers to ensure continuous service (high uptime). Handling failover when a node (physical server/VPS) fails.

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5 minutes read

Deploying Full-Stack Applications (NestJS & React) on Linux VPS with Nginx and PM2

Steps from configuring a Node.js environment (e.g., the latest v22 version), setting up a Reverse Proxy with Nginx, to managing processes and logs using PM2 for modern web projects.

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