Progamming Language
- Python
- Golang
- Javascript
- Ruby
Network and Security
- TCP/IP Fundamental
- Protocols: DNS, HTTP/s, FTP, SSL
Servers
Web server
- Apache
- Nginx
- Tomcat
- IIS
- Jetty
Database
- Mongo DB
- Cassandra
- AWS DynamoDB
- Google Datastore
- NoSQL
- Oracle DB
- MySQL/MariaDB
- PostgreSQL
- MS-SQL
- SQL
Infrastructure as code
Configuration Management
- Ansible
- Puppet
- Chef
- Salt Stack
Container Orchestrators
- Kubernetes
- Openshift
- NoMad
- Docker Swarm
Infrastructure Provisioning
- Terraform
- AWS Cloudformation
- Azure template
- Google Deployment Manager
CI/CD
- Jenkins
- TeamCity
- Circle CI
- Travis CI
- AWS Code Pipeline
- Google Cloudbuild
- Gitlab CI
- Bitbucket Pipeline
- Github Action
Monitoring and Logging
Monitoring
- Zabbix
- Prometheus
- Grafana
- DataDog
- New Relic
- CheckMK
Logging
- ELK
- Graylog
- Splunk
Clouds
- AWS
- Azure
- GCP
- OpenStack
- Alicloud
- IBM Bluemix