Tools

Tools

Jason Yang · 19 Jul, 2026

Imgur's OAuth flow stopped working, so I moved my Obsidian attachments local: the /assets + UUID setup, the migration, and the settings that cost me an evening.

Tools

Jason Yang · 05 Jul, 2026

Widen the Obsidian Nord editor with a CSS snippet, and keep Korean aligned by stacking JetBrains Mono with D2Coding. No theme edits, just a snippet and a few fonts.

Tools

Jason Yang · 05 Jul, 2026

Ghostty 1.3 lets you pin a tab's title so Claude Code and Codex tabs stop renaming themselves — set it with the prompt_tab_title keybind action.

Tools

Jason Yang · 20 Apr, 2026

tmux keeps your sessions alive through dropped SSH connections and closed terminals. Here’s how to install and set it up on Ubuntu/Kubuntu, plus a Ghostty workflow.

Tools

Jason Yang · 30 Mar, 2026

Migrate from SecureCRT to Ghostty: SSH config, key-based auth, and shell scripts for a developer-friendly SSH workflow with clean log management.

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Jason Yang · 01 Jan, 2026

Format JSON in Vim on Ubuntu with jq — install it, then prettify or minify a buffer with a single `:%!jq` filter, or straight from the command line.

Tools

Jason Yang · 03 Dec, 2025

Back up and restore your full SecureCRT configuration on Ubuntu with simple terminal commands so you never lose saved sessions when migrating or reinstalling.

Tools

Jason Yang · 02 Dec, 2025

Set up a serial console connection in SecureCRT to HP servers (DL380/DL580, HP-UX) — the exact baud rate, data bits, parity, and flow-control settings.

Tools

Jason Yang · 01 Dec, 2025

Easily download YouTube videos as high-quality MP3s on Ubuntu. Use yt-dlp and FFmpeg to convert audio and embed thumbnails with simple commands.

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Jason Yang · 01 Dec, 2025

Batch trim MP3s on Ubuntu with FFmpeg. Use this simple shell script to cut audio files instantly without re-encoding or quality loss.

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Jason Yang · 01 Dec, 2025

Easily merge two mono audio files into a single stereo track using FFmpeg on Ubuntu. Perfect for syncing dual-mic interviews and podcasts.

Tools

Jason Yang · 01 Dec, 2025

Batch convert video (MKV, MP4, AVI) to MP3 on Ubuntu with a simple FFmpeg shell script — no manual re-encoding, run it once on a whole folder.

Tools

Jason Yang · 01 Dec, 2025

Convert WAV or MP4 audio to MP3 with FFmpeg — the exact command-line options for input, bitrate, and quality, with examples you can copy and run.

Tools

Jason Yang · 01 Dec, 2025

Fix the SecureCRT "Key exchange failed" error on Ubuntu 22.04. Learn how to enable compatible algorithms like curve25519-sha256 for a successful connection.

Tools

Jason Yang · 26 Nov, 2025

Install SecureCRT on Ubuntu 24.04 LTS and fix the libxcb-cursor0 dependency error — the .deb steps plus the one command that resolves it.

Tools

Jason Yang · 26 Nov, 2025

Automate SecureCRT logins to a PostgreSQL database over SSH with a Python Logon Actions script — full setup, the script itself, and jump-server tips.