PodSecurityPolicy was removed from K8s since v1.25. Our GKE cluster had been forcely upgraded to v1.25 from v1.24 and we forgot to ...

Common Relational DB SQL concepts for quick revisit, recapped mainly from w3school and go/Bard, not every DB supports the listed s ...

I haven’t dealt with infra for a while after the team shift. Today, I was got a ticket and its problem solving process refreshed m ...

The httptest package provides utilities for HTTP testing: Test server handler logic by mocking the request. Test client logic by ...

Here I write down some very common CQL/CQLSH commands for quick revisit. The statements are case-insensitive, for cql shell comman ...

At the time of writing, there is a time-limited free course about ChatGPT prompt engineering for developers, shared by deeplearnin ...

Highly recommend to read article JSON and Go if you are new to this area or want to bring the memory back. In Golang, we usually u ...

//TODO: [ ] read through GNS3 official tutorial [ ] start GNS3 labs: NAT, how does it work in larget network The GNS3 can be ran ...

For more general and professional alternative: GNS3 Cisco packet tracer is a powerful network simulation tool for free. It helps ...

It is important to collect data or feedback by surverying, Google Form is a handy tool for questionnaire, you can create it throug ...