ppc64le: creating a new CentOS8 .ova image for PowerVS
creating a new CentOS8 .ova image for PowerVS without a PowerVC 🙂
linux: pretty printing multi-path device name and size
As part of an automation I had to collect only the name and size of the multi-path devices attached to a given VM. Here is the result: multipath -ll | sed -n ‘/^mpath/,/^size/p’ >> /tmp/mpath.log && x=1 && while IFS=”” read -r p || [ -n “$p” ]; do STR1=$(printf ‘%s\n’ “$p” | sed ‘s/\s.*$//’);… Continue reading linux: pretty printing multi-path device name and size
ppc64le: build rpkg on centos8
rpkg is a python library for dealing with rpm packaging in a git source control.
ppc64le: Docker 19.03 on RHEL8
The source code for the build can be found at https://github.com/Unicamp-OpenPower/docker-ce-releases.
openshift: useful commands
A list of useful oc commands: 1. Get the web console URL:
recover windows key from linux
that’s all!
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
docker: get the env vars within the container
linux: add users in batch mode
docker: creating multi-arch images
One of the great advantages of using containers [1] is that it brings flexibility to you deployments. You can have a container configured with everything you need and move it around to be executed where you want, which is a time saving approach (and reminds me of the Java’s WORA [2]: write once, run anywhere).… Continue reading docker: creating multi-arch images
