Ubuntu Has a Root Door. Here's How to Close It.
Qualys Threat Research Unit discovered that snapd incorrectly handles operations in the snap's private /tmp directory. When systemd-tmpfiles cleans this directory on its scheduled timer, …
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DevOps
NanoClaw on Ubuntu 24.04: Run Secure AI Agents in Docker Sandboxes
NanoClaw hit Hacker News this week, 134 points, and the DevSecOps reflex kicked in immediately - skepticism. Another AI agent framework that hallucinates destructive commands …
Scale PostgreSQL Connections with PgBouncer
Server had 25 idle connections eating 7.5GB of RAM and doing absolutely nothing. Background workers were silently starving our web app every morning. PgBouncer had …
Amazon S3 Account Regional Namespaces: Never Lose a Bucket Name Again
AWS just solved the most annoying S3 problem: bucket names taken by strangers, squatters, and that one dev who deleted a bucket and now nobody …
PostgreSQL Performance Tuning Deep Dive | Stop Restarting
Stop using restarts as a crutch. Master PostgreSQL performance tuning by optimizing shared_buffers, managing transaction locks, and applying postgresql.conf changes via SIGHUP without downtime. A …
How to Create Users in Linux with useradd command?
The useradd command is one of the most fundamental tools for user management in Linux systems. It allows system administrators to create new user accounts, …
How to Deploy website on AWS Amplify
Prerequisites 📋Before starting, make sure you have: Your AWS account Your website files About 45 minutes ⏰ GitHub account 🐙 Step 1: Understanding Git and …
How to Install docker-ai on Ubuntu 24.04
Supercharge Your Docker Workflow with dockerai: An Interactive Command CompanionTired of forgetting the exact syntax for a docker command? Wish you had a patient tutor …
How to Self-Host a Private AI Chat That's Faster Than ChatGPT
SelfHost OpenWebUI with Groq, Docker, and HTTPS on Ubuntu 24.04This guide will walk you through setting up your own instance of OpenWebUI, a userfriendly web …