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tmux Cheat Sheet

Table of Contents

General Usage
Shortcuts
Commands
Scripting tmux
Configuring tmux

tl;dr;

You can run the real deal big boi R1 671B locally off a fast NVMe SSD even without enough RAM+VRAM to hold the 200+GB weights. No it is not swap and won't kill your SSD's read/write cycle lifetime.

8k context @ ~1.3 tok/sec single generation
16k context @ ~0.93 tok/sec single generation
2k context @ ~2.08 tok/sec with 8 parallel slots @ ~0.26 tok/sec each concurrently
2k context @ ~2.13 tok/sec single generation after disabling GPU!

Notes and example generations below.

Upgrading Kubernetes Cluster with Kops, and Things to Watch Out For

Alright! I'd like to apologize for the inactivity for over a year. Very embarrassingly, I totally dropped the good habit. Anyways, today I'd like to share a not so advanced and much shorter walkthrough on how to upgrade Kubernetes with kops.

At Buffer, we host our own k8s (Kubernetes for short) cluster on AWS EC2 instances since we started our journey before AWS EKS. To do this effectively, we use kops. It's an amazing tool that manages pretty much all aspects of cluster management from creation, upgrade, updates and deletions. It never failed us.

How to start?

Okay, upgrading a cluster always makes people nervous, especially a production cluster. Trust me, I've been there! There is a saying, hope is not a strategy. So instead of hoping things will go smoothly, I always have bias that shit will hit the fan if you skip testing. Plus, good luck explaining to people

Version	Link
ECMAScript 2015 - ES2015 - ES6	All Features List
ECMAScript 2016 - ES2016 - ES7	All Features List
ECMAScript 2017 - ES2017 - "ES8"	All Features List
ECMAScript 2018 - ES2018 - "ES9"	All Features List
ECMAScript 2019 - ES2019 - "ES10"	All Features List
ECMAScript 2020 - ES2020 - "ES11"	All Features List

Install ffmpeg

brew install ffmpeg

Download file through url, like this:

ffmpeg -protocol_whitelist file,http,https,tcp,tls,crypto -i "http://url-file.domain.m3u8" -c copy video.mp4

	{#---------------------------------------------------------------------
	custom_pub_chat_template_qwen36.jinja
	=====================================
	A public, harness-friendly fork of Qwen's Qwen3.6-27B chat template,
	tuned for open-source agentic coding harnesses like:
	- anomalyco/opencode (https://github.com/anomalyco/opencode)
	- earendil-works/pi (https://github.com/earendil-works/pi)
	- openclaw, OpenHarness, similar Claude-Code-style harnesses

	WHY THIS FORK EXISTS

	"""
	The most atomic way to train and run inference for a GPT in pure, dependency-free Python.
	This file is the complete algorithm.
	Everything else is just efficiency.

	@karpathy
	"""

	import os # os.path.exists
	import math # math.log, math.exp

	import argparse
	from mlx_lm import load, generate

	# Parse CLI arguments
	parser = argparse.ArgumentParser()
	parser.add_argument("--prompt", type=str, default="hello", help="Custom prompt text")
	parser.add_argument("--max-tokens", type=int, default=1024, help="Maximum number of tokens to generate")
	args = parser.parse_args()

	# Load model

	apiVersion: v1
	kind: ConfigMap
	metadata:
	name: nginx-conf
	data:
	nginx.conf: \|
	user nginx;
	worker_processes 3;
	error_log /var/log/nginx/error.log;
	events {

	... answer said require line and column. So implement that. Need maybe not touch LSP output normalization in lspPositionToExternal/diagnostic snapshots.

	Implementation: modify positions.ts externalPositionToLsp to strict. Maybe rename? The function currently from service. It can return undefined if invalid. But error messages say "requires 1-based line and character". It should not floor floats. It should require Number.isInteger and >=1. For column, if not number returns undefined. Should we default column=1? The old allowed missing char. But "Require column >=1". So no default. This affects codeActions with missing char; okay. We'll update error messages maybe "line and column" not character. Since service methods named character param. But tool uses column alias. In hintForError accepts both. Could leave "character" for legacy? Could make "line and column". But service is generic LSP method; parameter called character. However user-facing contract says column. We could use "line and column" in errors for