Author Archives: Ajitabh
Ansible Quirks – 4
I was installing ansible on OpenSuSE Leap 42.3 machine and faced a problem with multiple python versions. I have both python 2.7 and python 3.4 installed on this machine. Python 2.7 is the default one. I tried installed ansible with … Continue reading
Running Oracle 11g Release 2 (11.2.0.2) XE in Docker Container
In DockerCon2017 Oracle announced the availability of Oracle containers in the docker hub. This was a great step forward. I have been thinking of trying Oracle in docker from quite a while for some personal projects, but was not finding … Continue reading
Connecting to Oracle Database over SSH using SQLDeveloper 4.1
As a system administrator, I try to follow the principle of least privilege (minimal privilege). Therefore, in the systems I install, I block all incoming and outgoing ports by default and open only when needed. While setting up Oracle XE … Continue reading
Ansible Quirks – 3
I was running some playbook today and realise that the command line arguments of ansible-playbook do not behaves expected. My playbook has the following defined – remote_user: root When I issued the following command, my expectation was that the remote … Continue reading
Quantum Mechanics And Consciousness – A relation established
In the beginning there was classical mechanics propounding the corpuscular theory of matter and describing the motion of bodies under the influence of a system of forces. But this classical mechanics fails to describe the motion of sub-atomic particles and then Quantum … Continue reading