Today is a frustrating day and I am scheduled for oncall. There is one related to network that the requests from one side intermit ...

Different OS the namespace/cgroup path is slightly different. Ubuntu As for Ubuntu, CPU cgroup for example is from: # if you run ...

//TODO 关于init process signal handling is clear, how about init process forward signal? [ ] ancestor ns send sigterm to container i ...

The thing is I ran docker container in the VM instance from gcloud, the docker container has gcloud SDK installed beforehand, with ...

When performed the ES upgrade from a Linux jumpbox docker container, interestingly on one of the regions’ jumpbox I cannot read th ...

We accidently configured all nodes the master role and wrong data path in upgrade and result in all shards unassigned with cluster ...

Cert-manager git repo, it is recommended to read through the document. Install Using helm chart to deploy cert-manager in K8s clus ...

//TODO: [ ] warnings.warn, for example, from elasticsearch package https://docs.python.org/3/howto/logging.html#when-to-use-loggin ...

Summary of some jq use cases and caveats daily. Quick reference: cheat sheet Need to read through some common use cases: offici ...

Command line application ingredients: arguments, options(flags) stdin, stdout, stderr meaningful exit code and logging signal han ...