Linux – Page 3 – ITFROMZERO – Share tobe shared!

Configuring VRF on Linux: A ‘Divide and Conquer’ Solution for Routing Tables

By admin June 5, 2026

Manage multi-tenant networks more effectively with VRF on Linux. Learn how to isolate routing tables, handle IP conflicts, and run isolated applications.

Network

Installing SoftEther VPN on Linux: A Powerful ‘All-in-One’ VPN Solution

By admin June 4, 2026

Forget OpenVPN or WireGuard—SoftEther VPN is the ultimate all-in-one solution for businesses. It supports L2TP, SSTP, OpenVPN, and excels at bypassing firewalls.

Linux

Mastering /proc and /sys: Inspecting Linux Internals Without Third-Party Tools

By admin June 3, 2026

Explore the power of /proc and /sys on Linux. Learn how to read process info, configure the kernel, and monitor hardware directly from the command line without installing extra software.

Artificial Intelligence tutorial - IT technology blog

Mastering DeepSeek-R1 on Linux: Optimizing “Home-Grown” Reasoning AI for Peak Performance

By admin June 3, 2026

A guide to installing DeepSeek-R1 on Linux: How to choose the right version for your VRAM, optimize Ollama environment variables, and tips for faster offline AI reasoning.

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

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.

Linux

Mastering Core Dumps on Linux: Pro Tips for Troubleshooting Segmentation Faults

By admin June 1, 2026

No more guessing when apps crash! A detailed guide on configuring Core Dumps on Linux to catch Segmentation Faults and using gdb to find the exact line of code causing the error.

Linux

Linux Optimization: Using nice and ionice to Prevent Server Freezes During Heavy Tasks

By admin May 31, 2026

Effectively control CPU and I/O usage with nice and ionice. A detailed guide on Linux server optimization for running heavy tasks like backups and file compression without impacting web or database performance.