{ "version": "https://jsonfeed.org/version/1.1", "title": "Alexandru Budurovici", "home_page_url": "https://budurovici.com/", "feed_url": "https://budurovici.com/feed.json", "description": "Alexandru Budurovici. Founder, CTO, and senior solutions architect in Zurich. 15+ years building ventures, platforms, and cloud infrastructure. AWS, Azure, GCP certified. Selective engagements via Spofibo.", "language": "en", "authors": [ { "name": "Alexandru Budurovici", "url": "https://budurovici.com/https://budurovici.com/about" } ], "items": [ { "id": "https://budurovici.com/notes/practical-cloud-cost-optimisation", "url": "https://budurovici.com/notes/practical-cloud-cost-optimisation", "title": "Practical multi-cloud cost optimisation", "summary": "An operating model for right-sizing, reserved capacity, and cost ownership across AWS, Azure, and GCP without compromising production reliability.", "date_published": "2026-06-02T00:00:00.000+00:00", "date_modified": "2026-07-25T00:00:00.000+00:00", "tags": ["cloud","cost","aws","azure","gcp","finops"] }, { "id": "https://budurovici.com/notes/plan-cloud-migration-without-operational-risk", "url": "https://budurovici.com/notes/plan-cloud-migration-without-operational-risk", "title": "Plan a cloud migration without importing old operational risk", "summary": "A migration operating model for landing zones, ownership boundaries, IaC baselines, cutover planning, and cost control before workloads move to the target cloud.", "date_published": "2026-06-01T00:00:00.000+00:00", "date_modified": "2026-06-30T00:00:00.000+00:00", "tags": ["cloud","migration","terraform","aws","azure"] }, { "id": "https://budurovici.com/notes/block-outgoing-url-calls-with-iptables", "url": "https://budurovici.com/notes/block-outgoing-url-calls-with-iptables", "title": "Block outgoing URL calls with iptables on Linux", "summary": "Use iptables string matching to block specific outbound HTTP paths, understand HTTPS limits, and choose safer egress controls when needed.", "date_published": "2021-10-26T00:00:00.000+00:00", "date_modified": "2024-06-01T00:00:00.000+00:00", "tags": ["linux","iptables"] }, { "id": "https://budurovici.com/notes/how-to-fix-slow-wordpress-admin", "url": "https://budurovici.com/notes/how-to-fix-slow-wordpress-admin", "title": "How to fix slow WordPress admin", "summary": "Diagnose slow WordPress admin performance by checking plugins, outbound API calls, Heartbeat behavior, object cache, and server limits.", "date_published": "2020-09-28T00:00:00.000+00:00", "date_modified": "2025-03-15T00:00:00.000+00:00", "tags": ["wordpress","performance"] }, { "id": "https://budurovici.com/notes/nginx-letsencrypt-and-acme-challenge", "url": "https://budurovici.com/notes/nginx-letsencrypt-and-acme-challenge", "title": "Serve Let's Encrypt ACME challenges on Nginx", "summary": "Fix Nginx 404 errors on .well-known/acme-challenge during Let's Encrypt HTTP-01 validation with webroot config and renewal checks.", "date_published": "2019-10-01T00:00:00.000+00:00", "date_modified": "2025-01-15T00:00:00.000+00:00", "tags": ["nginx","letsencrypt","ssl","ubuntu"] }, { "id": "https://budurovici.com/notes/hardening-wordpress-on-lamp", "url": "https://budurovici.com/notes/hardening-wordpress-on-lamp", "title": "Hardening WordPress on LAMP (Apache)", "summary": "A layered WordPress hardening checklist for Apache on LAMP: SSH, .htaccess, wp-config, uploads, and plugin controls, with Nginx equivalents where useful.", "date_published": "2019-09-11T00:00:00.000+00:00", "date_modified": "2024-09-01T00:00:00.000+00:00", "tags": ["security","wordpress","linux","apache","lamp"] }, { "id": "https://budurovici.com/notes/secured-wordpress-on-ubuntu-18.04-with-nginx", "url": "https://budurovici.com/notes/secured-wordpress-on-ubuntu-18.04-with-nginx", "title": "Secured WordPress on LEMP Ubuntu 18.04 with Let's Encrypt", "summary": "Deploy a production-ready WordPress LEMP stack on Ubuntu 18.04 with Nginx, MariaDB, PHP, TLS via Let's Encrypt, and baseline hardening controls.", "date_published": "2019-08-23T00:00:00.000+00:00", "date_modified": "2024-09-01T00:00:00.000+00:00", "tags": ["nginx","wordpress","ssl","ubuntu","php","lemp","linux","mysql","mariadb"] }, { "id": "https://budurovici.com/notes/fixing-chef-cluster-issues", "url": "https://budurovici.com/notes/fixing-chef-cluster-issues", "title": "Fixing Chef cluster issues", "summary": "Recover a high-availability Chef cluster when Elasticsearch shard allocation or service health issues block normal Chef Server operation.", "date_published": "2018-05-30T00:00:00.000+00:00", "date_modified": "2018-05-30T00:00:00.000+00:00", "tags": ["chef","elasticsearch","cluster","linux","aws"] }, { "id": "https://budurovici.com/notes/mariadb-docker-utf8", "url": "https://budurovici.com/notes/mariadb-docker-utf8", "title": "Configuring UTF-8 collation for MySQL or MariaDB on Docker", "summary": "Configure MySQL or MariaDB character sets and collations in Docker, verify Unicode storage, and understand durability tradeoffs.", "date_published": "2018-05-22T00:00:00.000+00:00", "date_modified": "2024-03-01T00:00:00.000+00:00", "tags": ["docker","mysql","mariadb","linux"] }, { "id": "https://budurovici.com/notes/installing-mongodb-on-ubuntu-15.04", "url": "https://budurovici.com/notes/installing-mongodb-on-ubuntu-15.04", "title": "Installing MongoDB on Ubuntu 15.04", "summary": "Resolve MongoDB service startup failures on Ubuntu 15.04 during the Upstart-to-systemd transition, with unit files and verification steps.", "date_published": "2016-01-13T00:00:00.000+00:00", "date_modified": "2016-01-13T00:00:00.000+00:00", "tags": ["ubuntu","mongodb","linux"] }, { "id": "https://budurovici.com/notes/excel-utf8-encoding-issue", "url": "https://budurovici.com/notes/excel-utf8-encoding-issue", "title": "CSV UTF-8 encoding issues in Excel", "summary": "Fix CSV UTF-8 encoding corruption in Microsoft Excel with correct import settings, UTF-8 BOM handling, and verification steps.", "date_published": "2015-10-09T00:00:00.000+00:00", "date_modified": "2024-01-01T00:00:00.000+00:00", "tags": ["encoding","csv","hacks"] }, { "id": "https://budurovici.com/notes/marketing-vanity-urls", "url": "https://budurovici.com/notes/marketing-vanity-urls", "title": "Marketing vanity URLs", "summary": "Create trackable vanity URLs for print, QR, and email campaigns with Apache redirects, UTM parameters, and maintainable campaign rules.", "date_published": "2015-06-19T00:00:00.000+00:00", "date_modified": "2015-06-19T00:00:00.000+00:00", "tags": ["marketing","seo","apache"] }, { "id": "https://budurovici.com/notes/avoiding-seo-penalties-for-duplicate-content-on-cloudflare-live-non-cached-subdomains", "url": "https://budurovici.com/notes/avoiding-seo-penalties-for-duplicate-content-on-cloudflare-live-non-cached-subdomains", "title": "Avoid duplicate-content SEO issues on Cloudflare origin subdomains", "summary": "Prevent Cloudflare origin and preview subdomains from creating duplicate-content SEO issues with host-aware robots, canonical URLs, and redirects.", "date_published": "2014-10-09T00:00:00.000+00:00", "date_modified": "2025-01-15T00:00:00.000+00:00", "tags": ["cloudflare","robots.txt","dns","cdn","google","seo"] }, { "id": "https://budurovici.com/notes/git-tips-and-tricks", "url": "https://budurovici.com/notes/git-tips-and-tricks", "title": "Git tips and tricks", "summary": "Practical Git commands for rewriting authors, recovering work, inspecting history, bisecting bugs, and keeping repositories maintainable.", "date_published": "2014-02-13T00:00:00.000+00:00", "date_modified": "2024-01-01T00:00:00.000+00:00", "tags": ["git"] }, { "id": "https://budurovici.com/notes/lazy-loading-images", "url": "https://budurovici.com/notes/lazy-loading-images", "title": "Lazy loading images with JavaScript", "summary": "Use native browser lazy loading first, understand LCP and CLS tradeoffs, and keep JavaScript lazy-loading libraries for legacy cases.", "date_published": "2013-11-23T00:00:00.000+00:00", "date_modified": "2013-11-23T00:00:00.000+00:00", "tags": ["javascript","jquery"] } ] }