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Monitoring tutorial - IT technology blog

Getting Started with Grafana Alloy: Replace Prometheus Agent, Promtail, and OpenTelemetry Collector with a Single Telemetry Collection Tool

By admin June 2, 2026

Grafana Alloy merges Prometheus Agent, Promtail, and OpenTelemetry Collector into a single binary. This guide covers installation, configuring a pipeline to collect metrics, logs, and traces, along with practical tips from 6 months of running it in production.

Ubuntu

PPA-Purge on Ubuntu: Safely Remove PPAs and Downgrade Packages to Their Original Versions

By admin June 2, 2026

ppa-purge lets you remove PPAs on Ubuntu and automatically downgrade packages to the official distro versions, preventing dependency errors that come from manually deleting PPAs. This guide covers everything from basic usage to advanced techniques, with real-world examples from VPS management experience.

Virtualization

GNOME Boxes: Create and Manage Linux VMs Quickly Without Complex Configuration

By admin June 2, 2026

GNOME Boxes is the fastest way to get a VM running on Linux — 3 clicks, no libvirt or QEMU configuration needed. This article compares Boxes with virt-manager and VirtualBox, analyzes when to choose Boxes, and covers practical tips including disk resizing and manual snapshots via qemu-img.

Security

Mastering Linux PAM: Hardening Passwords and Stopping Brute-force Attacks for Your Server

By admin June 2, 2026

A guide to upgrading Linux PAM security: Enforcing strong passwords, auto-locking accounts during brute-force attacks, and integrating Multi-Factor Authentication (MFA).

Development

HTMX: Building ‘Super-Fast’ Dynamic Web Apps Without Installing React or Vue

By admin June 2, 2026

Forget about JavaScript fatigue. This guide helps you use HTMX to create lightning-fast dynamic web apps with Flask and FastAPI through the Hypermedia-driven Development model.

Docker

Docker Bench for Security: Scan Your Docker Host for CIS Compliance in 5 Minutes

By admin June 2, 2026

Learn how to secure your Docker Host following CIS standards with Docker Bench for Security. Practical insights on analyzing results and automating vulnerability scans.

Database

KeyDB: The Multi-Threaded Fork That Supercharges Redis on Multi-Core Servers

By admin June 1, 2026

Is your Redis CPU-bound? Discover KeyDB—a multi-threaded fork that boosts performance 5x and offers powerful Active Replication for large-scale systems.

Docker

Dockerize .NET 8: Optimizing Multi-stage Builds and Production-Ready Environment Configuration

By admin June 1, 2026

Guide to optimizing Docker Images for .NET 8: Reduce size, speed up builds with Multi-stage Builds, and manage appsettings professionally for Production.

MySQL

MySQL 8 Dual Password: Smooth Password Rotation Without Downtime

By admin June 1, 2026

Changing MySQL passwords without triggering Access Denied errors? Explore the Dual Password feature in MySQL 8 to keep your system online 24/7 during maintenance.

VMware

Automating VMware Workstation with the vmrun Command: From Manual Management to Pro

By admin June 1, 2026

Manage VMware virtual machines like a pro with the vmrun command. Automate power cycles, snapshots, and guest interactions directly from the Command Line.