Posts
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Advanced UFW Techniques: Enhancing Firewall Security
Go beyond basic UFW rules, rate limiting, geo-blocking, application profiles, logging, and before.rules tricks for serious firewall hardening.
· Updated:6 min read -
Automating Docker via Ansible
Automate Docker container deployment with shell scripts, cron, and Ansible, stop SSHing in and restarting things by hand.
· Updated:6 min read -
UFW Basics: Setting Up Your Linux Firewall
UFW makes iptables manageable, allow and deny rules, app profiles, default policies, and the 5-minute setup for any new Linux server.
· Updated:6 min read -
LVM The Linux Sysadmin’s Guide to Flexible Storage
LVM lets you resize volumes, add disks, and take snapshots without repartitioning, PVs, VGs, and LVs explained with real commands.
6 min read -
Observability and Monitoring for Containers
Logs, metrics, and traces for Docker containers, Prometheus, Loki, Grafana, and OpenTelemetry to know what's happening inside your stack.
6 min read -
Docker vs Podman: Key Differences
Docker needs a daemon; Podman doesn't. Compare architecture, rootless support, Compose compatibility, and which one belongs in your workflow.
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SSH Tunneling: A Secure Conduit for Your Data
SSH tunnels forward ports over encrypted connections, local forwarding, remote forwarding, and dynamic SOCKS proxy explained.
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Socat: The Swiss Army Knife of Networking
socat wires TCP, UDP, Unix sockets, files, and serial ports together. Port forwarding, OpenSSL tunnels, traffic capture, this is netcat with superpowers.
· Updated:5 min read -
User and Group Management in Linux
Create, modify, and delete users and groups on Linux, useradd, usermod, groupadd, sudo access, and /etc/passwd explained.
5 min read -
Large Language Model Formats and Quantization
GGUF, GGML, AWQ, GPTQ, LLM file formats and quantization levels explained: trade-offs between model quality, size, and inference speed.
· Updated:6 min read -
Exploring the Diverse World of LLM Models
LLaMA, Mistral, Falcon, GPT, the LLM landscape is crowded. Compare model families, sizes, licensing, and what each is actually good for.
· Updated:5 min read -
Ollama: Powerful Language Models on Your Own Machine
Ollama makes local LLMs easy to start. The only decision that matters is whether the model fits your VRAM. Compose file, real sizes, and the gotchas.
· Updated:11 min read
