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Deploying Sidecar Containers: Automating Docker Volume Backups to S3 and Google Drive

By IT From Zero April 3, 2026

A detailed guide on deploying Sidecar Containers to automatically back up Docker Volumes to Amazon S3 and Google Drive. A secure, isolated, and manageable solution for production environments.

Python

Python Profiling: Pro Tips for Troubleshooting Slow Code with cProfile and Py-Spy

By IT From Zero April 3, 2026

Stop guessing why your Python code is slow. This guide shows you how to use cProfile and Py-Spy to pinpoint bottlenecks and optimize performance based on real-world experience.

Docker

Docker Context Guide: Managing Multiple Remote Servers via SSH

By IT From Zero April 3, 2026

A detailed guide on using Docker Context to manage multiple remote Docker Engines via SSH. A secure alternative to exposing risky Docker API ports.

Network

Mastering Traffic Control (tc): Bandwidth Limiting and Traffic Prioritization on Linux

By IT From Zero April 3, 2026

Don't let a backup script crash your Web Service. Learn how to use tc (Traffic Control) to limit bandwidth, prioritize SSH/Web traffic, and optimize Linux network performance.

Monitoring

Healthchecks.io: The Pro Secret to Monitoring Silent Cron Job Failures

By IT From Zero April 3, 2026

A backup script suddenly stopping is a disaster for any SysAdmin. Discover how to use Healthchecks.io to monitor Cron Jobs effectively using the 'Dead Man's Snitch' mechanism.

Artificial Intelligence tutorial - IT technology blog

Building AI Agents with LangGraph: Solving Complex Workflows and Self-Correction

By IT From Zero April 2, 2026

A detailed guide on building advanced AI Agents using LangGraph and Python. This article focuses on state management, loop handling, and practical experience in optimizing API costs.

Ubuntu

Upgrading Ubuntu Terminal with Zsh & Oh My Zsh: Don’t Let Bash Slow You Down

By IT From Zero April 2, 2026

Installing Zsh and Oh My Zsh on Ubuntu is the fastest way to turn your Terminal into a powerful assistant. This guide details the installation and plugin configuration to supercharge your typing speed.

Docker

Docker Hogging All Your Disk Space? Pro Tips to Clean Up Images, Containers, and Volumes to Save Your Server

By IT From Zero April 2, 2026

Docker hogging disk space is a DevOps nightmare. This article shares how to use prune commands effectively and configure log rotation to rescue your server from storage issues.

Optimizing Redis RAM with HyperLogLog and Bloom Filter: Counting and Deduplicating at Scale

Building an Event-Driven Microservices System with Apache Kafka and NestJS: From Producer and Consumer to Dead Letter Queue (DLQ)

Installing and Configuring Rootless Docker: Run Docker Without Root to Protect Your Host

Configuring a PPPoE Server on Linux Using rp-pppoe for ISP Labs

A Guide to DiskCache in Python: Safe Multi-Process Disk Caching Without Redis

How to Configure Host sFlow on Linux: Real-Time Network Traffic and KVM Monitoring

Diagnosing and Resolving Deadlocks in PostgreSQL: Inspecting Lock Trees and Configuring Proper Timeouts

ESXi Host Configuration Backup and Restore with PowerCLI and ESXCLI: Saving Your Virtualization Cluster During Outages

Guide to VFIO PCIe Passthrough on Linux KVM: GPU Passthrough for Windows VMs

Integrating OpenTelemetry into Python: Practical Microservices Monitoring Strategies

Deploying Sidecar Containers: Automating Docker Volume Backups to S3 and Google Drive

Python Profiling: Pro Tips for Troubleshooting Slow Code with cProfile and Py-Spy

Docker Context Guide: Managing Multiple Remote Servers via SSH

Mastering Traffic Control (tc): Bandwidth Limiting and Traffic Prioritization on Linux

Healthchecks.io: The Pro Secret to Monitoring Silent Cron Job Failures

Building AI Agents with LangGraph: Solving Complex Workflows and Self-Correction

Upgrading Ubuntu Terminal with Zsh & Oh My Zsh: Don’t Let Bash Slow You Down

Docker Hogging All Your Disk Space? Pro Tips to Clean Up Images, Containers, and Volumes to Save Your Server