Operating Systems
- Linux
- UNIX
- ESXi
- Windows Server
Fundamentals
- Apache
- NGINX
- HAProxy
- TLS
- SSH
Monitoring
- Prometheus
- NewRelic
- Check_MK
- Splunk
- ELK
Infrastructure and Platforms
- OpenStack
- VMware
- Kubernetes
- AWS
- GCP
Databases
- PostgreSQL
- MariaDB
- Oracle
- MSSQL
- Redis
Automation
- Ansible
- AWX
- Satellite
- Terraform
- Puppet
Languages
- Python
- Ruby
- Bash
- Perl
- PowerShell
- PHP
Software Development
- Scrum
- TDD
- Git
- APIs
- Debugging
DevOps
- CI/CD
- Kubernetes
- Helm
- GitLab CI
- Jenkins