Tag: linux

FFmpeg: Advanced Video & Audio Manipulations

Advanced FFmpeg techniques — filter graphs, stream mapping, subtitle burning, speed adjustment, and batch processing scripts.

Executing Commands with Asterisks in Docker

Shell globbing breaks inside docker exec because of how args are parsed — here's how to pass wildcards and asterisks correctly.

FFmpeg: Comprehensive Audio Processing Techniques

FFmpeg audio processing — normalize levels, convert formats, mix tracks, extract audio from video, and apply filters from the command line.

Mastering Vim: Essential Commands and Tips

vim survival guide — modes, motions, search and replace, macros, splits, and the config tweaks that make it actually enjoyable to use.

Tmux for Streamlining Dev Workflow

tmux sessions, windows, and panes for developers — layouts, plugins, and the .tmux.conf that makes it feel like a proper IDE.

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.

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.

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.

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.

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.

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.

SSH Tunneling: A Secure Conduit for Your Data

SSH tunnels forward ports over encrypted connections — local forwarding, remote forwarding, and dynamic SOCKS proxy explained.