Md Eftakhairul Islam eftakhairul

Growth Fundamentals

For developers/engineers who can build products but have no sales or marketing experience.

Product-Market Fit (PMF)

The #1 reason startups fail: building something nobody wants.

PostgreSQL is Enough

https://www.postgresql.org

https://sive.rs/pg

Background Jobs

https://github.com/citusdata/pg_cron

Anti-hype LLM reading list

Goals: Add links that are reasonable and good explanations of how stuff works. No hype and no vendor content if possible. Practical first-hand accounts and experience preferred (super rare at this point).

My own notes from a few months back.

Background

Skip verifying disk images

defaults write com.apple.frameworks.diskimages skip-verify true

Always hide the Desktop

defaults write com.apple.finder CreateDesktop false; killall Finder

Make terminal logins fast

touch ~/.hushlogin

Disable most animations

How to

<details>
  <summary>Click me</summary>
  
  ### Heading
  1. Foo
  2. Bar
     * Baz
 * Qux

What to do when Gmail marks all the mails from your server as spam

If you're self-hosting your services and having trouble getting your emails through Gmail and infuriated by Google's non-existent support, you're not the only one. I'd like to share my experiences trying to get it sorted out.

https://support.google.com/mail/thread/171517615?hl=en&msgid=172576102

I'm the author of the post above. You can tell how arrogant Google employees are from all the previous posts he made in the past.

	#!/usr/bin/env bash
	###############################################################################
	# Mac Bootstrap – Preferences, Homebrew, MAS apps
	# Works with the stock /bin/bash 3.2 on macOS (no mapfile required)
	# (c) 2025 Erdal • MIT License
	###############################################################################

	###############################################################################
	# Colours / log helpers
	###############################################################################

	# /etc/systemd/system/url-shortener.service

	```
	[Unit]
	Description=url-shortener
	Wants=network.target
	After=network.target

	[Service]
	Type=simple

	#!/usr/bin/env bash

	# Download a file from s3 without any 3rd party tools
	# thanks https://www.gyanblog.com/aws/how-upload-aws-s3-curl/

	file_path=$1
	bucket=$2
	set -eu pipefail
	# about the file
	filepath="/${bucket}/${file_path}"