It’s easier to explain things with an example. So, I will take up centos/postgresql docker image and nuleculize it for Docker and Kubernetes as providers. This post assumes that you have setup an Atomic environment on CentOS7/Fedora. If you have not done so, you can follow the instructions here. First, we’ll create scaffolding for our Nulecule PostgreSQL application. mkdir -p nulecule-postgresql/artifacts/{docker,kubernetes} touch nulecule-postgresql/{Dockerfile,LICENSE,Nulecule,README.md} touch nulecule-postgresql/docker/postgresql-app-pod_run touch nulecule-postgresql/kubernetes/{postgresql-pod,postgresql-service}.yaml Second, we’ll edit nulecule-postgresql/Nulecule file as below:...

This post will run you through how to setup an environment Atomic apps on CentOS 7, by hand. For quickstart, you can just run the Vagrantfile at here. Setup Install dependencies # yum install docker atomic kubernetes etcd Configure docker storage pool Assuming that you have a new volume: /dev/vdb attached to your machine, configure /etc/sysconfig/docker-storage-setup as below: # cat <<EOF > /etc/sysconfig/docker-storage-setup DEVS=/dev/vdb VG=docker-vg EOF Start and enable Docker # systemctl start docker # systemctl enable docker You can run # docker info to check the new specs for docker storage pool....

We had a Fedora 22 release party in Bangalore, on Aug 1, 2015. It took place a Hackerearth’s office in Bangalore. We had around 9 attendees for the party along with the hosts from Hackerearth. The event started at around 10:30 AM and continued till 1:30 PM. We started with us introducing ourselves. Following the introductions, Sayan giving a brief introduction about the Fedora Project and it’s history. This was followed by me speaking on Fedora 22 release and it’s highlights....

After 4 years, after 2011, FUDCon came back to Pune, again in 2015. It took place from 26th to 28th June, 2015 at MIT, Pune. Fedora Users and Developers Conference (FUDCon) is the annual conference for people interested in Fedora in any way. This year’s FUDCon had a great line up of talks and multiple parallel tracks: Container, Openstack, Storage. I took part in FUDCon this year as a speaker and a volunteer....

We again met at Starbucks Coffee, Indiranagar on June 6, 2015 at 5:30 PM for our monthly Fedora meetup in Bangalore. Attendees: Ratnadeep Debnath Lalatendu Mohanty Nitish Bharadwaj Topics discussed: Openstack setup and overview Vagrant on Fedora, it’s quirks and how we can make it more awesome Statscache demo How to start contributing to Fedora infra This meetup was one of the most fruitful Fedora meetups in Bangalore. We had folks from different communities (Project Atomic, Openstack) to add more value to the meetup....

Last month, May 15-16, there was Rootconf in Bangalore. Rootconf is a premier conference for devops and system administrators. The highlights of this Rootconf were SaltStack, RancherOS, Project Atomic, PostgreSQL, etc. We also had Fedora presence in the conference. 3 Fedora ambassadors: Aditya Patawari, Praveen Kumar and myself were present at the event. We distributed Fedora 21 workstation DVDs at the registration desk and announced about FUDCON Pune, 2015 as well....

We again met at Starbucks Coffee, Indiranagar on May 2, 2015 at 6 PM for our monthly Fedora meetup in Bangalore. Like the meetup in the month of April, there were only 2 attendees: myself and Sayan Chowdhury. Well, we are used to such things and were not disheartened. As decided over the mailing list, we discussed on the hot topics from in the Fedora Cloud ecosystem: Project Atomic Docker Kubernetes We also explored docker-swarm, consul and discussed on how to build autoscaling cluster with these....

This month, i.e., April, 2015, I started working for Idea Device Technologies as a Member of Technical Staff. I will be mostly working on backend stuffs here and help build scalable tools for infrastructure automation. Idea Device is mostly a Python shop using Pyramid, gevent, etc. to the fullest apart from other awesome technologies. However, its not just the tech stack that got me attracted towards Idea Device, the folks that make Idea Device as well....

fedocal 0.13 release makes it possible for anyone to download iCal file for a meeting and brings support for client side notifications. You can do this in the following ways: Click on a meeting in fedocal In the meeting modal/page, click on the iCal export link to download iCal file for that particular meeting. You can also export iCal file for the meeting with reminder info in by checking the reminder checkbox beside the iCal export link, and then clicking on the iCal export link....

We resumed our monthly meetups in Bangalore on the March 7, 2015. We’ve now decided to hold Fedora meetup in Bangalore on the 1st Saturday of every month. Here’s link to our event on Fedora Calendar: https://apps.fedoraproject.org/calendar/meeting/2036/. We met at Starbucks Coffee, Indiranagar. at 6 PM. It was good place to chat and had free wifi internet too. We were 4 people. We discussed on: upcoming Fedora 22 release contributing to testing Fedora 22 images contributing to Fedora Infra We were also having some discussions on #fedora-apps on Freenode during the meetup regarding various tasks we’re handling and brainstorming on new ideas....