Journal
Notes from
the work.
Monitoring, automation, application infrastructure and security. Practical notes to revisit and build on.
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Monitoring
Grafana and Prometheus: monitoring production services
A practical structure for service dashboards, useful alerts and dashboard exports.
Application security
From a vulnerability scan to a useful security review
Scoping a review, using OWASP ZAP carefully and turning scanner output into findings a team can act on.
Automation
Using n8n and Nmap for repeatable network inventory
A workflow pattern for approved scans, structured results and notifications when network exposure changes.
Databases
MySQL operations: performance, backups and recovery
What to check when a production database slows down, and what a backup needs before it can be trusted.
Application infrastructure
Taking a Tomcat intranet into production
The checks around a Java application release: proxy behaviour, database access, service operation and recovery.
Observability
ELK logging and dashboards that can be reused
Organizing application logs and exporting Kibana dashboards with the dependencies needed to restore them.
AI infrastructure
Operating a private Hermes AI workspace
How model serving, a web interface and role-specific agent workflows fit into an internal AI environment.
Security perspectives
Security across a bank’s digital channels
Looking at mobile banking, web portals and employee endpoints as connected parts of one service.
Infrastructure perspectives
The infrastructure behind digital banking
Core applications, branch services and digital channels need an operational view that connects them.
Security perspectives
Cloud security starts with clear ownership
A practical look at access, configuration, logging and recovery responsibilities in a cloud environment.
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