I created a container image to help me troubleshoot issues for both docker and kubernetes. Many container images come very slim without the default OS tools so when you are troubleshooting it makes it very hard. With this image you can easily deploy this container onto the same network as your containers/pods or even as a sidecar container or even map the host network to troubleshoot host network issues. github link: https://github.com/jlim0930/troubleshoot docker hub link: https://hub.docker.com/r/jlim0930/troubleshoot TROUBLESHOOT Container to help troubleshoot issues for docker & kubernetes environments This container image was created to help troubleshoot various network/storage/OS issues inside of… Continue Reading
After the OS is installed and prepped there are some cleanup steps needed before turning it into a template. Remove old kernels Remove yum cache Clean out log files Remove device persistencies Clean up MAC and UUID Clean up history and keys I made a sample script that will automate the process. Instead of hosting the script here I’ve moved it to my github.