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)}’

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):

gitlab · linux · power · ppc64le

ppc64le: building GitLab Runner

To build GitLab Runner for ppc64le you can run the following steps in a x86_64 machine with Ubuntu 20.04:

IBM Cloud · linux · minicloud · PowerVS · ppc64le

ppc64le: creating a new CentOS8 .ova image for PowerVS

creating a new CentOS8 .ova image for PowerVS without a PowerVC 🙂

linux

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

linux · power · python

ppc64le: build rpkg on centos8

rpkg is a python library for dealing with rpm packaging in a git source control.