Tech
Technical guides from real engineering practice: installation, integration, automation, troubleshooting and production operation of modern Linux and open-source platforms. The articles connect concrete configuration with architecture, security, lifecycle, monitoring and operations.
Security & Penetration Testing, Kubernetes & Container SecurityKubernetes Security Audit in Practice: Reviewing RBAC, Pod Security, NetworkPolicies and CIS
27 minutes readDefensive Kubernetes security audit covering RBAC, ServiceAccounts, Pod Security, NetworkPolicies, Secrets, images, CIS, remediation and verification.
: Kubernetes Security Audit in Practice: Reviewing RBAC, Pod Security, NetworkPolicies and CIS
Security & Penetration TestingProfessional penetration testing for open-source and Kubernetes environments
11 minutes readDifferences between vulnerability scan, configuration review, security assessment and penetration test for modern open-source and Kubernetes platforms.
: Professional penetration testing for open-source and Kubernetes environments
OpenProjectInstalling OpenProject – Building a Production-Ready Project Management and Collaboration Platform
11 minutes readStep-by-step OpenProject installation with Docker or Podman Compose, PostgreSQL, Memcached, Hocuspocus, Nginx reverse proxy and TLS.
: Installing OpenProject – Building a Production-Ready Project Management and Collaboration Platform
XWiki & Knowledge ManagementInstallation of XWiki – Building a Productive Knowledge Management and Collaboration Platform
8 minutes readPractical guide to architecture, WAR deployment, PostgreSQL integration, Nginx reverse proxy, and TLS hardening
: Installation of XWiki – Building a Productive Knowledge Management and Collaboration Platform
grommunio & Groupwaregrommunio-antispam – efficient spam filtering with centralized management and self-learning mechanisms
7 minutes readIntegration of Rspamd into production grommunio environments. With grommunio-antispam, the platform is enhanced with a powerful spam filtering component.
: grommunio-antispam – efficient spam filtering with centralized management and self-learning mechanisms
grommunio & Groupwaregrommunio-auth – Centralized Authentication with Keycloak and Existing SSO
8 minutes readIntegration of grommunio into Existing SSO Environments. With grommunio-auth, the platform is extended by an authentication layer.
: grommunio-auth – Centralized Authentication with Keycloak and Existing SSO
grommunio & GroupwareInstallation of grommunio – Building Your Own Groupware Platform
10 minutes readInstallation of grommunio – Building Your Own Groupware Platform Practical guide including pre-configuration, installation, DNS setup, testing, and forecast…
: Installation of grommunio – Building Your Own Groupware Platform
