linux · cloud · container · macos · IBM Cloud

docker: monitor the execution of N containers

I had to monitor the execution of N containers that were collecting data from multiple accounts at IBM Cloud. Here, each container is simulation the process to collect the data, one container per account:

cloud · container · kubernetes · openshift · power · ppc64le · tekton

tekton: no endpoints available for service “tekton-pipelines-webhook

If you see an error like the above one during your Tekton deployment, you can use the steps provided here to fix it. Issue: Solution:

cloud · container · docker · github actions · linux · power · ppc64le · x86_64

CICD: building multi-arch container images with GitHub Actions

The world is multi-arch and you can easily leverage it!

container · docker · linux

docker: delete containers running for a long time

If you need to delete running containers based on their lifetime, this handy combination of commands can help you. It deletes all containers running for more than 2 hours. HOUR=2docker ps –filter “status=running” | grep hours | awk ‘{if ($4 >=$HOUR) print $1,”must be deleted”; system(“docker rm -f ” $1)}’

cloud · container · openshift · power · ppc64le

openshift on ppc64le: check whether or not the storage of a node is good enough for etcd

The image used in this test is hosted at quay.io/rpsene/ocp-perf-tools-ppc64le:v1 and the source code at https://github.com/rpsene/images/tree/ppc64le/etcd-perf.

container · docker · linux · redhat ubi · rhel · terraform

redhat ubi image: installing terraform using microdnf

cloud · container · docker · linux · ppc64le

ppc64le: Docker 19.x or Docker 20.x on RHEL8.x

Or, you can also try our rpm repository: The source code for the build can be found at https://github.com/Unicamp-OpenPower/docker-ce-releases.

container · go · linux · ppc64le

linux: building and executing containerd on Power

containerd is an industry-standard container runtime with an emphasis on simplicity, robustness and portability [1]. In this tutorial we are going to build and execute it on Power. Before we get started building it, we need to get a Power VM. Ask for a FREE account at http://openpower.ic.unicamp.br/minicloud/. Once you get it, you can start… Continue reading linux: building and executing containerd on Power

cloud · container · docker · IBM Cloud Private · kubernetes · linux · ppc64le

ppc64le: easily installing a single cluster of IBM Cloud Private 3.1.2

Willing to try the latest version of IBM Cloud Private? Try out this simple bash script that helps you on installing either EE or CE versions. Enjoy!

container · docker · linux · macos · x86_64

ubuntu: Err:1 https://dl.yarnpkg.com/debian stable InRelease

I was updating the docker image I use to do Linux stuff within a macOS Mojave and during the update, this error message appeared: To fix it, I had to import the the public key for that repository: With that, everything worked as expected: