IT Content: Data Without Sources? No Thanks
Learn to validate IT statistics with Rosario Giordano's method. Ensure data integrity, verify sources, and avoid common errors in technical content for…
Sysadmin
Guide e tutorial per amministratori di sistema: gestione server Linux, configurazione servizi, monitoring, scripting bash e best practice per ambienti di produzione.
IT Handover Checklist: Essential System Transition
Learn to manage IT system handovers with an essential checklist. Securely transfer knowledge, credentials, and configurations using proven methods for sysadmins.
HAProxy/Proxmox HA: Consolidate Duplicates, Save Hours
Learn to consolidate HAProxy and Proxmox HA configurations using Ansible 2.14 to reduce complexity, improve reliability, and save 3 hours weekly.
Backup Tools: Restic vs BorgBackup on 2TB
Compare Restic vs BorgBackup performance on a 2TB dataset for data center backups. Learn about deduplication, speed, and RAM usage to choose…
Elasticsearch OOM: Shard, ILM, Stability
Resolve Elasticsearch OOM errors by optimizing shard distribution and implementing ILM policies. Learn to diagnose, rebalance, and configure lifecycle management for cluster…
LVM Snapshot: Safe Rollback for Critical Updates
Learn LVM snapshot creation and rollback on Linux for safe critical updates. Tested on Ubuntu 24.04 LTS, ensure quick recovery with `lvcreate`…
Prometheus Grafana Monitoring: Installation and Critical Alerts (2026)
Learn to install and configure Prometheus and Grafana for robust server monitoring, including critical alerts and automation, to prevent downtime.
LVM on Linux: Advanced Logical Volume Management
Learn advanced LVM on Linux for flexible storage management, including online resize, snapshots, and data migration, crucial for sysadmins.
Netdata Monitoring Linux: Real-Time Installation & Config 2026
Learn to install and configure Netdata for real-time Linux monitoring with zero-config, gaining immediate visibility into system performance.
Zabbix 7 Installation: Ubuntu 24.04 Setup Guide
Learn to install and configure Zabbix 7 on Ubuntu 24.04 for robust IT infrastructure monitoring, including Agent 2 and Telegram alerts.