Posts
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Optimizing Ansible for Faster Playbook Execution
Speed up Ansible playbooks with pipelining, forks, fact caching, and async tasks, stop watching the spinning wheel on every play.
· Updated:5 min read -
How to securely deploy Cloudflare Tunnels
Cloudflare Tunnels expose local services to the internet without open ports, secure setup with zero-trust access controls.
· Updated:5 min read -
Understanding and Optimizing Performance in Proxmox VE
Squeeze more out of Proxmox VE, CPU pinning, memory ballooning, IO threads, virtio drivers, and storage tuning for faster VMs.
10 min read -
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.
· Updated: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.
· Updated:8 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.
· Updated:5 min read -
SSH Tunneling: A Secure Conduit for Your Data
SSH tunnels forward ports over encrypted connections, local forwarding, remote forwarding, and dynamic SOCKS proxy explained.
· Updated:5 min read -
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.
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User and Group Management in Linux
List every user and group on Linux with /etc/passwd, /etc/group, and getent, see who is logged in, and separate system accounts from normal users by UID.
· Updated:5 min read
