AI Agent Security 2026: Prompt Injection, Tool Permissions & Sandboxing
Secure agentic AI systems: prompt injection defence, tool permission scoping, human-in-the-loop approval gates, agent audit logging, and sandboxed code execution.
32 Technical Logs Found
Secure agentic AI systems: prompt injection defence, tool permission scoping, human-in-the-loop approval gates, agent audit logging, and sandboxed code execution.
Use Caddy as a sovereign reverse proxy with automatic TLS for Docker containers. Covers reverse_proxy directive, load balancing, health checks, and zero-config HTTPS.
Set up Caddy web server on Ubuntu 24.04 for automatic HTTPS with Let's Encrypt. Covers Caddyfile syntax, systemd service, reverse proxy, and first site configuration.
Design sovereign CI/CD pipelines: build/test/scan/deploy stages, caching strategies, parallelism, environment promotion, and pipeline security with OIDC token binding.
Sovereign vulnerability management: CVE scanning with Trivy and Grype, SBOM generation with Syft, EPSS scoring, and automated patch workflows for container security.
Build a production-ready React 19 app with Vite 6 on Ubuntu 24.04. Covers project setup, TypeScript, Tailwind CSS 4, React Router 7, API integration, testing with Vitest, and Docker deployment.
Run your own Git server with Gitea on Ubuntu 24.04 and build a full CI/CD pipeline using Gitea Actions. No GitHub. No cloud. Complete with Docker deployment, runner setup, and auto-deploy to production.
Tune PostgreSQL 17 for production on Ubuntu 24.04. Covers shared_buffers, work_mem, autovacuum, query optimisation with EXPLAIN ANALYZE, HNSW pgvector tuning, connection pooling, and indexing strategies.
Configure MySQL 9 primary-replica replication on Ubuntu 24.04 LTS in 2026. Covers GTID replication, binary logging, replica setup, monitoring replication lag, promoting a replica, and failover patterns.
Build a production-ready REST API with Node.js 22 and Express 5 on Ubuntu 24.04 in 2026. Covers routing, middleware, JWT auth, PostgreSQL integration, input validation, error handling, and Docker deployment.
Use Python for DevOps automation in 2026. Covers shell scripting with subprocess, file and log processing, REST API calls, SSH automation with Fabric, system monitoring, and Ansible alternatives.
Configure Nginx as a reverse proxy on Ubuntu 24.04 LTS in 2026. Covers upstream blocks, SSL termination, load balancing, security headers, rate limiting, WebSocket proxying, and caching.
Harden Docker containers on Ubuntu 24.04 LTS. Non-root users, read-only filesystems, resource limits, image scanning with Trivy, secrets management, network isolation, and security benchmarks.
Fine-tune large language models locally with QLoRA and Unsloth on Ubuntu 24.04 in 2026. Covers dataset preparation, LoRA configuration, training on RTX 4090, evaluation, GGUF export, and Ollama deployment.
Master Linux networking on Ubuntu 24.04. Covers ip command, ss for connections, UFW firewall, DNS resolution, network interfaces, static IPs, and systematic troubleshooting workflows.
Install and configure Apache 2.4 on Ubuntu 24.04 LTS in 2026. Covers virtual hosts, SSL with Let's Encrypt, .htaccess, security hardening, mod_rewrite, reverse proxy, and performance tuning.
Schedule tasks with cron and systemd timers on Ubuntu 24.04 LTS. Covers crontab syntax, user and system cron, systemd .timer units, anacron, logging, and migrating from cron to systemd timers.
Complete bash scripting guide for Ubuntu 24.04 LTS. Variables, arrays, conditionals, loops, functions, error handling, argument parsing, and real-world automation scripts. Fully tested with expected output.
Master Docker Compose v2 on Ubuntu 24.04. Covers services, networks, volumes, health checks, environment variables, production patterns, and Compose Watch for development. Fully tested.
Install K3s on Ubuntu 24.04 LTS — the lightweight Kubernetes for home labs, edge, and small production clusters. Single-node and multi-node setup, Helm, Nginx ingress, and sovereign deployment.
Complete SSH hardening for Ubuntu 24.04 LTS — Ed25519 keys, disable password auth, port knocking, 2FA with TOTP, fail2ban integration, and SSH certificate authorities. Fully tested.
Master Linux user and group management on Ubuntu 24.04. adduser, usermod, groupadd, su, sudo, /etc/passwd, /etc/shadow, SSH key provisioning, and service accounts. Fully tested.
Install Ollama 5.x on Ubuntu, macOS, and Windows. Pull and run Llama 4, Qwen3, Gemma 3, and Mistral locally. REST API setup, GPU acceleration, Open WebUI, and sovereign model management.
Install PostgreSQL 17 on Ubuntu 24.04 LTS with pgvector, pg_stat_statements, and production config. Covers users, databases, remote access, automated backups, and sovereign AI embeddings.
Install MySQL 9.0 on Ubuntu 24.04 LTS step-by-step. Covers secure installation, user creation, remote access, firewall config, performance tuning, and automated backups. Fully tested.
Master Linux file permissions with practical examples. chmod numeric & symbolic, chown, umask, SUID/SGID/sticky bit, ACLs, and real-world scenarios every developer hits. Ubuntu 24.04.
Complete Ubuntu 24.04 LTS server setup guide with 20 essential post-install steps. SSH hardening, UFW firewall, fail2ban, unattended-upgrades, swap, and sovereign server baseline. Fully tested.
Install and configure Nginx on Ubuntu 24.04 LTS step-by-step. Covers UFW firewall, server blocks, SSL with Let's Encrypt, security headers, and performance tuning. Fully tested.
Install Docker Engine 27.x on Ubuntu 24.04 LTS step-by-step. Covers Docker CE, Compose v2, rootless mode, GPU support, and first container. Fully tested. No Docker Desktop required.
Deploy a complete local AI stack — Ollama 5.x, Open WebUI, and pgvector — on Ubuntu 24.04. Zero cloud. Zero API costs. Full commands, tested output, sovereignty verified.
Framework teased a 'Next Gen' event on April 21, 2026 with explicit Ubuntu, Fedora, Arch, and Bazzite messaging — the strongest Linux signal from any major PC maker. This guide covers what to expect, Framework's current lineup, how to pick the right configuration for 2026.
Windows sends your usage data to Microsoft. macOS is better but still proprietary. Linux is the sovereign operating system choice. We rank the best Linux distributions for privacy, security, and usability in 2026 — from beginner-friendly to maximum security.