Title: Immanuel Raj --- # Waste your time wisely Nothing but his (Jesus) grace ![](https://immanuelraj.dev/wp-content/uploads/2026/03/hi-worship-openground-1024x576. avif) ## Technical Expertise & Innovation Delivering enterprise-grade solutions through systematic engineering, DevOps automation, and scalable infrastructure design that drives business transformation ### Infrastructure Enterprise cloud architecture and automation βš™οΈ ### Development Full-stack solutions and system integration ⭐ ### Innovation Continuous improvement through iterative learning 🀯 ### Methodology Systematic approach to complex challenges 🚫 ### Results Measurable business impact through technical excellence πŸ™Œ ### Excellence Quality-driven execution with strategic insight πŸ•°οΈ ## Core Specializations Primary technology domains and professional focus areas ![](https://immanuelraj.dev/wp-content/uploads/2024/09/HI-android-security-1024x683. avif) ### Android Development & Security * Custom AOSP Development * Security Architecture * Open Source Contributions ### Infrastructure & DevOps Engineering * Cloud Infrastructure Design * CI/CD Pipeline Architecture * System Administration & Monitoring ![](https://immanuelraj.dev/wp-content/uploads/2024/07/HI-devops-e1723057441703. avif) _Don’t Worry, kids. Being an adult is mostly just Googling how to do stuff._ ![](https://immanuelraj.dev/wp-content/uploads/2025/11/profile-picture-150x150.avif) Immanuel Raj ## Watch, Read, Listen * --- * ## 󠀁[How to Resize an AWS EBS Volume Without Downtime](https://immanuelraj.dev/resize-aws-ebs-volume/)󠁿 * [May 26, 2026](https://immanuelraj.dev/resize-aws-ebs-volume/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/), [Self Hosting](https://immanuelraj.dev/category/self-hosting/) * Read Time * 3–5 minutes * --- * ## 󠀁[How I Audited 41 Ubuntu Servers for CVE-2026-31431 β€œCopy Fail” β€” and What I Found](https://immanuelraj.dev/copy-fail-cve-2026-31431-ubuntu-audit/)󠁿 * [May 5, 2026](https://immanuelraj.dev/copy-fail-cve-2026-31431-ubuntu-audit/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/), [Security](https://immanuelraj.dev/category/security/), [Self Hosting](https://immanuelraj.dev/category/self-hosting/) * Read Time * 5–8 minutes * --- * ## 󠀁[How Google Photos AI Uses Computer Vision to Search Your Images](https://immanuelraj.dev/how-google-photos-knows-your-beach-pics/)󠁿 * [April 28, 2026](https://immanuelraj.dev/how-google-photos-knows-your-beach-pics/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [ML](https://immanuelraj.dev/category/ml/) * Read Time * 4–7 minutes * --- * ## 󠀁[The Ultimate Guide to Globalping: Test Your Website from Anywhere](https://immanuelraj.dev/globalping-guide/)󠁿 * [March 14, 2026](https://immanuelraj.dev/globalping-guide/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Hosting](https://immanuelraj.dev/category/hosting/) * Read Time * 3–5 minutes * --- * ## 󠀁[Hetzner Email, Cloudflare DNS: The Ultimate Setup Guide](https://immanuelraj.dev/hetzner-mail-cloudflare-dns-setup/)󠁿 * [December 5, 2025](https://immanuelraj.dev/hetzner-mail-cloudflare-dns-setup/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Email](https://immanuelraj.dev/category/email/), [Hosting](https://immanuelraj.dev/category/hosting/) * Read Time * 2–3 minutes * --- * ## 󠀁[Migrating from Frappe v15 to Frappe v16 β€” A Complete, In‑Place Upgrade Guide](https://immanuelraj.dev/frappe-v15-to-v16-beta-migration-guide/)󠁿 * [November 21, 2025](https://immanuelraj.dev/frappe-v15-to-v16-beta-migration-guide/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [ERPNext](https://immanuelraj.dev/category/erpnext/), [Frappe](https://immanuelraj.dev/category/frappe/) * Read Time * 4–6 minutes * --- * ## 󠀁[Object Cache | Page Cache | OP Cache – Caching for WordPress](https://immanuelraj.dev/wordpress-caching-opcache-object-page-optimization/)󠁿 * [August 15, 2025](https://immanuelraj.dev/wordpress-caching-opcache-object-page-optimization/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Self Hosting](https://immanuelraj.dev/category/self-hosting/), [SSL](https://immanuelraj.dev/category/ssl/) * Read Time * 7–11 minutes * --- * ## 󠀁[How to Add Floating IP to Ubuntu and Debian Servers with Netplan](https://immanuelraj.dev/netplan-floating-ip-configuration/)󠁿 * [August 14, 2025](https://immanuelraj.dev/netplan-floating-ip-configuration/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/), [Networking](https://immanuelraj.dev/category/networking/), [Self Hosting](https://immanuelraj.dev/category/self-hosting/) * Read Time * 8–11 minutes * --- * ## 󠀁[Complete Frappe Security Guide: Block Administrator Installation & Configuration](https://immanuelraj.dev/secure-frappe-admin-block-administrator-guide/)󠁿 * [July 30, 2025](https://immanuelraj.dev/secure-frappe-admin-block-administrator-guide/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [ERPNext](https://immanuelraj.dev/category/erpnext/), [Frappe](https://immanuelraj.dev/category/frappe/) * Read Time * 7–11 minutes * --- * ## 󠀁[Customize Frappe Reset Password Email Template](https://immanuelraj.dev/customize-frappe-reset-password-template/)󠁿 * [July 26, 2025](https://immanuelraj.dev/customize-frappe-reset-password-template/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [ERPNext](https://immanuelraj.dev/category/erpnext/) * Read Time * 7–10 minutes * --- * ## 󠀁[Why Do We Need God? Understanding Christian Faith and Purpose](https://immanuelraj.dev/why-we-need-god-and-finding-purpose-in-faith/)󠁿 * [February 16, 2025](https://immanuelraj.dev/why-we-need-god-and-finding-purpose-in-faith/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Bible](https://immanuelraj.dev/category/bible/), [God](https://immanuelraj.dev/category/god/), [Life](https://immanuelraj.dev/category/life/) * Read Time * 4–6 minutes * --- * ## 󠀁[Automating Flask Deployment Using Docker and Github Actions](https://immanuelraj.dev/automating-flask-deployment-using-docker-and-github-actions/)󠁿 * [September 23, 2024](https://immanuelraj.dev/automating-flask-deployment-using-docker-and-github-actions/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Docker](https://immanuelraj.dev/category/docker/), [Github Actins](https://immanuelraj.dev/category/github-actins/), [Self Hosting](https://immanuelraj.dev/category/self-hosting/) * Read Time * 2–3 minutes * --- * ## 󠀁[Retrofitting Node 20 in Ubuntu 18 LTS](https://immanuelraj.dev/retrofitting-node-v20-12-2-and-npm-v10-5-0-in-ubuntu-18-04-3-lts/)󠁿 * [April 17, 2024](https://immanuelraj.dev/retrofitting-node-v20-12-2-and-npm-v10-5-0-in-ubuntu-18-04-3-lts/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/) * Read Time * 2–3 minutes * --- * ## 󠀁[Fail2Ban – SSH, WordPress[ee] and Cloudflare](https://immanuelraj.dev/fail2ban-ssh-wordpressee-and-cloudflare/)󠁿 * [April 10, 2024](https://immanuelraj.dev/fail2ban-ssh-wordpressee-and-cloudflare/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Uncategorized](https://immanuelraj.dev/category/uncategorized/) * Read Time * 3–4 minutes * --- * ## 󠀁[Cloudflare Header Tips](https://immanuelraj.dev/cloudflare-header-tips/)󠁿 * [April 3, 2024](https://immanuelraj.dev/cloudflare-header-tips/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Cloudflare](https://immanuelraj.dev/category/cloudflare/), [Security](https://immanuelraj.dev/category/security/), [Self Hosting](https://immanuelraj.dev/category/self-hosting/), [SSL](https://immanuelraj.dev/category/ssl/), [Web](https://immanuelraj.dev/category/web/) * Read Time * 2–3 minutes * --- * ## 󠀁[Demystifying MySQL’s UTF8MB4: A Guide to Character Encoding in Databases with WordPress in GCP and Cloud SQL](https://immanuelraj.dev/demystifying-mysqls-utf8mb4-a-guide-to-character-encoding-in-databases-with-wordpress-in-gcp-and-cloud-sql/)󠁿 * [April 2, 2024](https://immanuelraj.dev/demystifying-mysqls-utf8mb4-a-guide-to-character-encoding-in-databases-with-wordpress-in-gcp-and-cloud-sql/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Databases](https://immanuelraj.dev/category/databases/), [Google Cloud](https://immanuelraj.dev/category/gcp/) * Read Time * 1–2 minutes * --- * ## 󠀁[Piping Bash](https://immanuelraj.dev/piping-bash/)󠁿 * [March 4, 2024](https://immanuelraj.dev/piping-bash/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/) * Read Time * 1–2 minutes * --- * ## 󠀁[Pa11y and Pa11y-CI Accessibility testing](https://immanuelraj.dev/pa11y-and-pa11y-ci-accessibility-testing/)󠁿 * [February 22, 2024](https://immanuelraj.dev/pa11y-and-pa11y-ci-accessibility-testing/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Uncategorized](https://immanuelraj.dev/category/uncategorized/) * Read Time * 2–3 minutes * --- * ## 󠀁[Rootless docker](https://immanuelraj.dev/rootless-docker/)󠁿 * [February 22, 2024](https://immanuelraj.dev/rootless-docker/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Uncategorized](https://immanuelraj.dev/category/uncategorized/) * Read Time * 1–2 minutes * --- * ## 󠀁[Github Rate limits](https://immanuelraj.dev/github-rate-limits/)󠁿 * [February 15, 2024](https://immanuelraj.dev/github-rate-limits/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Uncategorized](https://immanuelraj.dev/category/uncategorized/) * Read Time * 1–2 minutes * --- * ## 󠀁[Certbot SSL Limits – letsencrypt (Rate limit)](https://immanuelraj.dev/certbot-ssl-limits-rate-limit/)󠁿 * [February 7, 2024](https://immanuelraj.dev/certbot-ssl-limits-rate-limit/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Uncategorized](https://immanuelraj.dev/category/uncategorized/) * Read Time * 1–2 minutes * --- * ## 󠀁[AH shit here we go again !](https://immanuelraj.dev/ah-shit-here-we-go-again/)󠁿 * [February 7, 2024](https://immanuelraj.dev/ah-shit-here-we-go-again/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/) * Read Time * 1–2 minutes * --- * ## 󠀁[Finding the user](https://immanuelraj.dev/finding-the-user/)󠁿 * [February 7, 2024](https://immanuelraj.dev/finding-the-user/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/) * Read Time * 1–2 minutes * --- * ## 󠀁[Power to you.](https://immanuelraj.dev/power-to-you/)󠁿 * [February 6, 2024](https://immanuelraj.dev/power-to-you/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/) * Read Time * 1–2 minutes * --- * ## 󠀁[WordPress and Nginx (OpenResty)](https://immanuelraj.dev/wordpress-and-nginx-openresty/)󠁿 * [January 23, 2024](https://immanuelraj.dev/wordpress-and-nginx-openresty/) * β€” * by * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/) * in [Linux](https://immanuelraj.dev/category/linux/), [Networking](https://immanuelraj.dev/category/networking/), [WordPress](https://immanuelraj.dev/category/wordpress/) * Read Time * 2–3 minutes 1 [2](https://immanuelraj.dev/page/2/?output_format=md) [Next Page](https://immanuelraj.dev/page/2/?output_format=md) [⌊Immanuel RajβŒ‰βŒŠImmanuel RajβŒ‰[ [Immanuel Raj](https://immanuelraj.dev) Personal Portfolio ## 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