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Grafana Pyroscope: Hunting Down CPU and RAM “Hogs” Directly on Production

By admin June 3, 2026

A detailed guide on using Grafana Pyroscope for Continuous Profiling. Find the exact lines of code causing high CPU usage and memory leaks on production with minimal overhead.

VMware

Mastering VMware Host Profiles: The Ultimate Way to Standardize ESXi Cluster Configurations

By admin June 3, 2026

A detailed guide on using VMware Host Profiles to standardize ESXi Cluster configurations. Learn how automation eliminates manual errors and improves vSphere infrastructure management.

Ubuntu

Varnish + Nginx: The Ultimate Lifesaver for High-Traffic Websites on Ubuntu

By admin June 3, 2026

Varnish Cache is a leading solution for boosting website speed and reducing server load. Learn how to configure Varnish with Nginx on Ubuntu based on real-world expert experience.

Ubuntu

Installing and Using Nala on Ubuntu: A Package Manager with a Clean Interface, Parallel Downloads, and Better Performance Than APT

By admin June 2, 2026

Nala is a modern APT front-end for Ubuntu that provides a clean interface, parallel package downloads, and install history rollback. This guide covers installation, fetching the fastest mirrors, and integrating Nala into your daily server administration workflow.

Monitoring

Integrating Nginx VTS Module with Prometheus and Grafana: Per-Domain Traffic Monitoring

By admin June 2, 2026

When hosting multiple domains on a single Nginx server, standard system metrics aren't enough to pinpoint which domain is causing an issue. This guide covers compiling the Nginx VTS Module, configuring Prometheus to scrape per-virtual-host metrics, and importing a Grafana dashboard to monitor per-domain traffic in real time.

Development

Storybook for React: A Complete Guide to Isolated UI Component Development

By admin June 2, 2026

Storybook lets you develop and test UI components in isolation within React — no need to run the full app or navigate through multiple screens. This guide covers quick setup, writing stories, integrating visual testing with Chromatic, and practical tips drawn from real-world experience refactoring large-scale projects.

Python

Building Modern CLIs with Typer Python: Type Hints, Auto-completion, and Automatic Validation

By admin June 2, 2026

Typer is a Python library for building modern CLI tools by reading directly from function type hints — no need to declare arguments twice. This guide walks you through: automatic validation, Enums, subcommands, auto-completion, and organizing your code as your project scales.

Monitoring

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.

Mastering Virtual Machines on TrueNAS SCALE: A Comprehensive Home Lab Guide

Vagrant + VMware Workstation: The “Killer” Combo for DevOps Lab Environments

Database Version Control with Liquibase: Automating CI/CD and ‘Painless’ Rollbacks

Memcached: When to Choose This ‘Veteran’ Over Redis?

Optimizing Python RAM with slots: Secrets to Handling Millions of Objects Without Memory Overflow

Add Columns to a 200 Million Record Table in 0.1 Seconds: The Power of ALGORITHM=INSTANT in MySQL 8.0

GPTCache: The Secret to Reducing OpenAI Bills by 80% and Speeding Up AI App Responses

Expo Router: Say Goodbye to ‘Manual’ Navigation Worries in React Native

UrBackup Guide: Professional Centralized Image and File Backup Solution

Lightning Fast Git Commit Cleanup with git-absorb: Automating ‘fixup’ over Manual Rebase

Grafana Pyroscope: Hunting Down CPU and RAM “Hogs” Directly on Production

Mastering VMware Host Profiles: The Ultimate Way to Standardize ESXi Cluster Configurations

Varnish + Nginx: The Ultimate Lifesaver for High-Traffic Websites on Ubuntu

Installing and Using Nala on Ubuntu: A Package Manager with a Clean Interface, Parallel Downloads, and Better Performance Than APT

Integrating Nginx VTS Module with Prometheus and Grafana: Per-Domain Traffic Monitoring

Storybook for React: A Complete Guide to Isolated UI Component Development

Building Modern CLIs with Typer Python: Type Hints, Auto-completion, and Automatic Validation

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

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

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