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!

linux · PostgreSQL

PostgreSQL: iterate over all tables and calculate the avg for a given column

linux · openstack · ppc64le

ppc64le: installing openstack CLI on RHEL 8.x

aws · cloud · linux · power · ppc64le · python

cloud: aws cli on ppc64le

Do you work with AWS? Do you work with IBM Power? Do you need to work with AWS from IBM Power? He is how you can build and install the CLI on ppc64le. First things first: get a Power VM for FREE at Minicloud. Once you have you VM up and running you can start… Continue reading cloud: aws cli on ppc64le

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

linux · ppc64le · rhel

ppc64le: building a custom version of grub2

If you need to test a custom version of grub2 you can follow the steps bellow to build the necessary packages for RHEL8 (it should also work on CentOS and Fedora):