Procedure for Modifying a SquashFS-Based Live Linux System
A Live Linux system such as SystemRescue generally has the following structure: ISO9660 ├── EFI/, boot/, syslinux/, grub/ ← Bootloader ├── vmlinuz ← K…
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100 Days of DevOps and Cloud (AWS), Day 18: MariaDB's Secure Install, and Why 'Read-Only' Needs More Than ec2:Describe
The most secure version of a fresh install is the one with its convenient defaults stripped back out. New database software ships open enough to get y…
Linux Isn't Hard—You're Learning It the Wrong Way
Stop memorizing commands. Start understanding concepts. Many people believe Linux is difficult because they begin by trying to memorize dozens of term…
Another day, another VPS breach
I woke up to two emails that immediately caught my attention. One was from my website monitoring service (I use UptimeRobot, no affiliation) reporting…
Running Python Bot on Docker and VPS with StayPresent
Deploying Python Bots on Docker and a VPS with StayPresent Not every bot lives on a managed PaaS. Plenty of developers run their python bot docker dep…
My WSL2 VM Kept Losing Network Every Five Minutes
Every five minutes or so, my entire Windows machine would drop off the network for a few seconds — not just WSL, the whole host. Browser tabs would st…
I'm a Dev Who Barely Knows the Kernel. Here's How I'm Learning How to Track a Packet with pwru
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lr…
Point-in-Time Recovery Without the Enterprise Price Tag
description: A deep dive into HuskHoard's open-source PITR engine — how the catalog tracks version history and byte offsets across physical media, and…
Deploying Large Language Models (LLMs) with Ollama
Ollama is an open-source platform for running large language models locally (Llama 3, DeepSeek R1, Mistral, Phi-4, Gemma 2, and more) with no internet…
Deploying Akaunting – An Open-Source FreshBooks Alternative
Akaunting is an open-source, web-based accounting platform with invoicing, financial reporting, expense management, and payment tracking, a self-hoste…
Deploying Mautic – An Open-Source Marketing Automation Platform
Mautic is an open-source marketing automation platform for email campaigns, contact tracking, lead nurturing, and analytics, a self-hosted alternative…
Deploying HAProxy on Ubuntu 22.04
HAProxy is an open-source proxy that load-balances TCP and HTTP traffic across backend servers, routing each request based on health checks and your c…
Hello DEV! I'm Asep
I'm Asep, a Linux and DevOps enthusiast from India. I enjoy working with Linux servers, Docker, networking, Cloudflare, Oracle Cloud, and self-hosted …
The Linux Cutover and the Briefing Echo
What we shipped on 2026-07-24 The "Simplifying Your Observability Stack" draft opened with roughly 4,000 characters of the reviser's echoed revision b…
Getting started (EP-1 of The $0 Cloud)
The idea of having my own server never really interested me until I had a conversation with one of my developer friends. We were discussing how studen…
«С блэкджеком и CI/CD»: APT-репозиторий на базе GitHub и Cloudflare Workers
В Linux с давних пор киллерфичей была возможность централизованного управления (поиск, установка, удаление, обновление, разрешение зависимостей) софто…
Software RAID vs Hardware RAID for NVMe: The PCIe Bottleneck
For two decades, SysAdmins operated under a strict golden rule: "Always use a dedicated Hardware RAID controller to protect your disks." This was an i…
Zero-Trust Encrypted Backups with Restic on Ubuntu 24.04
Data preservation layouts are no longer just an exercise in handling routine disk failures; they are a direct line of defense in an active cyber-warfa…
Automating Ubuntu System Maintenance with Cron Jobs
Keeping your Ubuntu server healthy requires more than installing package updates. Over time, unused packages, cached APT files, and Docker resources c…
100 Days of DevOps and Cloud (AWS), Day 16: A Load Balancer in Ten Lines of Nginx, and Least-Privilege IAM
You do not need a cloud load balancer to load balance. Ten lines of Nginx will spread traffic across a pool of servers, and understanding those ten li…
DEVOPS
Why Every DevOps Engineer Needs to Fall in Love With Linux (Before Anything Else) When I started learning DevOps, I made the classic beginner mistake.…
Как разобраться в Kubernetes, сетях, CI/CD и безопасности инфраструктуры
Когда инфраструктура начинает сбоить, причина редко остаётся в одном слое: за проблемой с деплоем тянутся пайплайны, контейнеры и секреты, а за деград…
Securing Azure Linux Virtual Machines with SSH Keys and Network Security Groups
Step 1: Generate an SSH Key Pair Open your local terminal and generate a 4096-bit RSA key pair for secure authentication: ssh-keygen -t rsa -b 4096 -C…
One login to rule them all: centralized auth for internal tools with Caddy
I am lazy. Not in the "I don't want to work" sense 1 , but in the "I refuse to solve the same problem twice" sense. So when I found myself looking at …
Linux cgroups: Limiting Process Resources Without the Pain
Linux cgroups: Limiting Process Resources Without the Pain Let me share something I ran into last week that might save you a headache. Had a script th…
The First Bitcoin Price Ran to Four Decimal Places. His Fan Ran Louder.
Written by Milo Vance, mythology deflator at Bitcoin Institute. Every asset class gets an origin myth with some grandeur to it. Gold has "treasured si…
NGINX Abuse Guard Module: Auto-Ban Scanners and Bots
Open your NGINX error log on any public server and you will see the same thing: a steady drip of 404 s probing for /wp-login.php , /.env , /phpmyadmin…
Linux File Permissions & Ownership Explained for SOC Analysts (Day 10— Linux Phase)
Introduction Linux is the backbone of modern infrastructure. From cloud servers and firewalls to SIEM platforms and security tools, Linux runs silentl…
Its a Post
Hello Dev.to 👋 This is my very first post on DEV.to. I'm using this article to test how Markdown, code blocks, images, and formatting work before I st…
kiro-up: Auto-update Kiro IDE on Linux with rollback support
The problem Kiro IDE on Linux (installed via .deb ) has no built-in auto-update mechanism. Every time a new version is released, you need to: Open the…