- shell scripting
- cron jobs
- systemd (units, journal,, .. etc)
- logs
- nginx/apache
- certificates
- ssh, ssh-agent, .. etc
- linux programming (users, groups, processes, threading, IPC, synchronization, signals, .. etc)
- linux administration topics
- linux tools
- redis (types, streams, pubsub, caching, .. etc)
- rpc systems
- msgpack, capnp, protobuf
- grpc based services
- monogdb
- postgresql specific topics
- cgroups, namespaces
- building linux images
- testing (unittest, mocking, integration, e2e) (in different languages)
- http servers testing, http clients testings
- swagger
- postman
- vue3
- typescript topics
- networking
- kubernetes based topics
- monitoring (prometheus, grafana)
- blockchain (bitcoin, eth, substrate, cosmos, tendermint)
- github actions
- terraform testing
- monorepos
- dart topics
- flutter
- rust topics
- go topics
- packer
- architecture
- algorithms/data structures
- concurrency patterns
- qemu