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<link rel="stylesheet" href="style.css" /> <link rel="stylesheet" href="style.css" />
</head> </head>
<body> <body>
<header class="hero"> <header class="site-header">
<nav class="nav"> <a class="brand" href="#">
<div class="logo">ByteGeist</div> <img src="assets/images/bytegeist-logo.png" alt="ByteGeist logo" />
<div class="nav-links"> <span>ByteGeist</span>
<a href="#architecture">Architecture</a> </a>
<a href="#operations">Operations</a>
<a href="#security">Security</a> <nav>
<a href="#development">CI/CD</a> <a href="#architecture">Architecture</a>
<a href="#recovery">Recovery</a> <a href="#operations">Operations</a>
</div> <a href="#security">Security</a>
<a href="#development">Development</a>
<a href="#platform">Platform</a>
<a href="#recovery">Recovery</a>
</nav> </nav>
<section class="hero-grid"> <a class="nav-button" href="https://wiki.casko.dev">Docs</a>
<div class="hero-content">
<p class="eyebrow">Self-Hosted Infrastructure Platform</p>
<h1>Infrastructure, security, monitoring, and automation built from scratch.</h1>
<p class="subtext">
ByteGeist Cloud is a self-hosted homelab platform running on Ubuntu, Docker,
Authentik, Grafana, Loki, Prometheus, CrowdSec, Gitea, and Woodpecker CI.
</p>
<div class="buttons">
<a href="https://wiki.casko.dev" class="btn primary">View Documentation</a>
<a href="https://git.casko.dev" class="btn secondary">View Git Server</a>
</div>
</div>
<div class="hero-image">
<img src="assets/images/portfolio-grafana-operations.png" alt="ByteGeist Grafana operations dashboard" />
</div>
</section>
</header> </header>
<main> <main>
<section class="stats"> <section class="hero">
<div><span>26</span><p>Containers</p></div> <div class="hero-copy">
<div><span>20+</span><p>Services</p></div> <p class="eyebrow">Self-Hosted Infrastructure Platform</p>
<div><span>SSO</span><p>Authentik</p></div> <h1>Infrastructure, security, monitoring, and automation <span>built from scratch.</span></h1>
<div><span>CI/CD</span><p>Woodpecker</p></div>
</section>
<section class="section intro">
<h2>What is ByteGeist?</h2>
<p>
ByteGeist Cloud is a self-hosted infrastructure platform built to practice real-world
Linux administration, Docker operations, networking, identity management, monitoring,
logging, security hardening, backup planning, disaster recovery, and CI/CD automation.
</p>
</section>
<section id="architecture" class="section">
<div class="section-heading">
<p class="eyebrow">Architecture</p>
<h2>Platform Design</h2>
<p> <p>
Traffic flows through Nginx Proxy Manager, authentication is centralized through ByteGeist Cloud is a self-hosted infrastructure platform built on Ubuntu, Docker,
Authentik, and services are monitored, logged, backed up, and documented. Authentik, Grafana, Loki, Prometheus, CrowdSec, Gitea, and Woodpecker CI.
</p> </p>
<div class="actions">
<a href="#architecture" class="button primary">Explore Architecture</a>
<a href="https://git.casko.dev" class="button secondary">View Git Server</a>
</div>
</div> </div>
<div class="feature-image wide"> <div class="hero-art">
<img src="assets/images/bytegeist-logo.png" alt="ByteGeist cyber ghost logo" />
</div>
</section>
<section class="stats">
<div><strong>26</strong><span>Containers</span></div>
<div><strong>20+</strong><span>Services</span></div>
<div><strong>11</strong><span>Protected Apps</span></div>
<div><strong>SSO</strong><span>Authentik</span></div>
<div><strong>CI/CD</strong><span>Woodpecker</span></div>
</section>
<section id="architecture" class="split-section">
<div class="panel large">
<p class="eyebrow">Architecture Overview</p>
<h2>Designed like a small production platform.</h2>
<p>
Traffic flows through Nginx Proxy Manager, access is controlled through Authentik,
and the environment is monitored, logged, secured, backed up, and documented.
</p>
<img src="assets/images/bytegeist-architecture.png" alt="ByteGeist architecture diagram" /> <img src="assets/images/bytegeist-architecture.png" alt="ByteGeist architecture diagram" />
</div> </div>
<div class="panel about">
<p class="eyebrow">About ByteGeist</p>
<h2>Built to prove real infrastructure skills.</h2>
<ul>
<li>Centralized SSO and 2FA</li>
<li>Monitoring and log aggregation</li>
<li>Automated CI/CD pipelines</li>
<li>Threat detection and response</li>
<li>Backups and disaster recovery</li>
<li>Technical documentation</li>
</ul>
</div>
</section> </section>
<section id="operations" class="section"> <section id="operations" class="section">
<div class="section-heading"> <p class="eyebrow">Operations</p>
<p class="eyebrow">Operations</p> <h2>Monitoring & Logging</h2>
<h2>Monitoring & Logging</h2> <div class="card-grid two">
<p> <article class="card">
Grafana, Prometheus, Loki, Alloy, Node Exporter, and cAdvisor provide visibility
into system health, container workloads, and infrastructure logs.
</p>
</div>
<div class="screenshot-grid">
<article class="screenshot-card">
<img src="assets/images/portfolio-grafana-operations.png" alt="Grafana operations dashboard" /> <img src="assets/images/portfolio-grafana-operations.png" alt="Grafana operations dashboard" />
<div> <h3>Infrastructure Monitoring</h3>
<h3>Infrastructure Monitoring</h3> <p>Grafana dashboards show uptime, CPU, memory, disk, container metrics, and system health.</p>
<p>System health, uptime, memory, CPU, disk usage, and container metrics in Grafana.</p>
</div>
</article> </article>
<article class="screenshot-card"> <article class="card">
<img src="assets/images/portfolio-grafana-logs.png" alt="Grafana logs dashboard" /> <img src="assets/images/portfolio-grafana-logs.png" alt="Grafana logs dashboard" />
<div> <h3>Centralized Logging</h3>
<h3>Centralized Logging</h3> <p>Loki and Grafana provide searchable logs for containers and infrastructure troubleshooting.</p>
<p>Loki and Grafana provide searchable logs for containers and infrastructure troubleshooting.</p>
</div>
</article> </article>
</div> </div>
</section> </section>
<section id="security" class="section dark"> <section id="security" class="section">
<div class="section-heading"> <p class="eyebrow">Security</p>
<p class="eyebrow">Security</p> <h2>Identity & Threat Protection</h2>
<h2>Identity & Threat Detection</h2> <div class="card-grid two">
<p> <article class="card">
Authentik provides single sign-on and access control while Fail2Ban and CrowdSec
detect and block hostile traffic.
</p>
</div>
<div class="screenshot-grid">
<article class="screenshot-card">
<img src="assets/images/portfolio-authentik-applications.png" alt="Authentik application portal" /> <img src="assets/images/portfolio-authentik-applications.png" alt="Authentik application portal" />
<div> <h3>Centralized Identity</h3>
<h3>Centralized Identity</h3> <p>Authentik provides SSO, OAuth2, OIDC, Forward Auth, access control, and 2FA.</p>
<p>SSO, OAuth2, OIDC, Forward Auth, and 2FA protect access to internal services.</p>
</div>
</article> </article>
<article class="screenshot-card"> <article class="card">
<img src="assets/images/portfolio-crowdsec-decisions.png" alt="CrowdSec security decisions" /> <img src="assets/images/portfolio-crowdsec-decisions.png" alt="CrowdSec decisions list" />
<div> <h3>Threat Detection & Response</h3>
<h3>Threat Detection</h3> <p>CrowdSec detects malicious SSH activity and creates firewall decisions to block attackers.</p>
<p>CrowdSec detects brute-force behavior and creates firewall decisions to block attackers.</p>
</div>
</article> </article>
</div> </div>
</section> </section>
<section id="development" class="section"> <section id="development" class="section">
<div class="section-heading"> <p class="eyebrow">Development</p>
<p class="eyebrow">Development</p> <h2>Git Hosting & CI/CD</h2>
<h2>Git Hosting & CI/CD</h2> <div class="card-grid two">
<p> <article class="card">
Gitea hosts the code and infrastructure repositories while Woodpecker CI runs automated
pipelines triggered by repository activity.
</p>
</div>
<div class="screenshot-grid">
<article class="screenshot-card">
<img src="assets/images/portfolio-gitea-dashboard.png" alt="Gitea dashboard" /> <img src="assets/images/portfolio-gitea-dashboard.png" alt="Gitea dashboard" />
<div> <h3>Self-Hosted Git</h3>
<h3>Self-Hosted Git</h3> <p>Gitea hosts infrastructure code, documentation, project files, and portfolio development.</p>
<p>Gitea manages source code, project history, documentation, and infrastructure repositories.</p>
</div>
</article> </article>
<article class="screenshot-card"> <article class="card">
<img src="assets/images/portfolio-woodpecker-pipeline.png" alt="Woodpecker successful pipeline" /> <img src="assets/images/portfolio-woodpecker-pipeline.png" alt="Woodpecker successful pipeline" />
<div> <h3>CI/CD Automation</h3>
<h3>CI/CD Automation</h3> <p>Woodpecker runs automated pipelines connected to Gitea repositories.</p>
<p>Woodpecker successfully runs automated pipelines connected to Gitea repositories.</p>
</div>
</article> </article>
</div> </div>
</section> </section>
<section class="section"> <section id="platform" class="section">
<div class="section-heading"> <p class="eyebrow">Platform</p>
<p class="eyebrow">Service Portal</p> <h2>Service Portal</h2>
<h2>Centralized Dashboard</h2> <div class="card-grid two">
<p> <article class="card">
Dashy acts as the launchpad for the environment, organizing infrastructure, <img src="assets/images/portfolio-cloud-dashboard-overview.png" alt="Dashy overview" />
observability, development, security, tools, and user services. <h3>Operations Portal</h3>
</p> <p>Dashy provides quick access to infrastructure, observability, and development services.</p>
</div>
<div class="screenshot-grid">
<article class="screenshot-card">
<img src="assets/images/portfolio-cloud-dashboard-overview.png" alt="Dashy dashboard overview" />
<div>
<h3>Operations Portal</h3>
<p>Quick access to core infrastructure, observability, and development services.</p>
</div>
</article> </article>
<article class="screenshot-card"> <article class="card">
<img src="assets/images/portfolio-cloud-dashboard-services.png" alt="Dashy service catalog" /> <img src="assets/images/portfolio-cloud-dashboard-services.png" alt="Dashy services" />
<div> <h3>Service Catalog</h3>
<h3>Service Catalog</h3> <p>Organized access to security tools, utilities, file management, and public sites.</p>
<p>Organized access to security tools, utilities, file management, and public sites.</p>
</div>
</article> </article>
</div> </div>
</section> </section>
<section id="recovery" class="section dark"> <section id="recovery" class="section">
<div class="section-heading"> <p class="eyebrow">Recovery</p>
<p class="eyebrow">Recovery</p> <h2>Documentation & Disaster Recovery</h2>
<h2>Documentation & Disaster Recovery</h2> <div class="feature-card">
<p> <img src="assets/images/portfolio-wiki-disaster-recovery.png" alt="Disaster recovery documentation" />
ByteGeist includes documented restore procedures, backup validation, service inventory, <div>
DNS information, and recovery priorities. <h3>Recovery Planning</h3>
</p> <p>
</div> ByteGeist includes documented restore procedures, backup validation, service inventory,
DNS information, recovery priorities, and full environment rebuild planning.
<div class="feature-image"> </p>
<img src="assets/images/portfolio-wiki-disaster-recovery.png" alt="ByteGeist disaster recovery documentation" /> </div>
</div> </div>
</section> </section>
<section class="section skills"> <section class="section challenges">
<h2>Skills Demonstrated</h2> <p class="eyebrow">Technical Challenges</p>
<div class="skills-grid"> <h2>Problems Solved</h2>
<div class="challenge-grid">
<div>
<h3>OIDC Integration</h3>
<p>Resolved redirect URI mismatches, user provisioning, and authorization issues.</p>
</div>
<div>
<h3>Forward Auth</h3>
<p>Integrated Authentik Forward Auth with reverse proxy protected services.</p>
</div>
<div>
<h3>Observability</h3>
<p>Built centralized metrics and logging using Grafana, Prometheus, Loki, and Alloy.</p>
</div>
<div>
<h3>Security Hardening</h3>
<p>Implemented SSH key-only login, Fail2Ban, CrowdSec, UFW, TLS, and SSO.</p>
</div>
</div>
</section>
<section class="skills">
<h2>Core Skills Demonstrated</h2>
<div class="skills-list">
<span>Linux Administration</span> <span>Linux Administration</span>
<span>Docker</span> <span>Docker & Compose</span>
<span>Docker Compose</span>
<span>Reverse Proxies</span> <span>Reverse Proxies</span>
<span>SSL/TLS</span> <span>Networking</span>
<span>DNS</span> <span>TLS / SSL</span>
<span>SSO</span> <span>DNS Management</span>
<span>OAuth2 / OIDC</span> <span>Identity Management</span>
<span>Monitoring</span> <span>SSO / OAuth2 / OIDC</span>
<span>Monitoring & Observability</span>
<span>Centralized Logging</span> <span>Centralized Logging</span>
<span>CI/CD</span> <span>CI/CD Automation</span>
<span>Security Hardening</span> <span>Security Hardening</span>
<span>Threat Detection</span> <span>Threat Detection & Response</span>
<span>Backup Strategy</span> <span>Backup Strategy</span>
<span>Disaster Recovery</span> <span>Disaster Recovery</span>
<span>Technical Documentation</span> <span>Technical Documentation</span>
@@ -227,7 +213,8 @@
</main> </main>
<footer> <footer>
<p>ByteGeist Cloud • Built and maintained by Keith Casko</p> <span>ByteGeist Cloud</span>
<p>Built and maintained by Keith Casko</p>
</footer> </footer>
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</html> </html>