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