Docker hub now enforces pull rate limits (since November 2020). And unfortunately, this limit is often reached at critical moments such as upgrades or infrastructure events when bulk pod recreation is happening. One way to avoid this problem is to place your images into an alternate image registry. This could mean a lot of work … GCP: pushing GKE images into gcr.io to avoid pull rate limits
Once you introduce an istio sidecar proxy into your deployment, it becomes another point at which you might need to troubleshoot network connectivity to the primary container. Assuming you have deployed a pod with an app label “helloworld” in the default namespace listening on port 5000, you can use a command like the following to … Kubernetes: testing pod communication directly from istio sidecar proxy
A common task when configuring software is modifying a properties file to set or override behavior. And although properties files are simple key=value pairs, there are some corner cases that make it challenging. For example, when setting a key/value pair, the key may be commented out with a hash mark in front of the line. … Bash: setting and replacing values in a properties file use sed
With so many critical projects available in public git repositories like github, it is important to be able to contribute back additional functionality, tests, and documentation to the original project. While most projects do not allow a direct commit, contributions can be made by submitting a pull request to original repository. Often times, repositories are … Git: Contributing to a git project using a pull request