In my last post about docker you could see how easily you can spin up WordPress from docker: http://www.techbar.me/wordpress-docker/ Here I will talk about some notes on writing Dockerfiles. Writing Dockerfile isn’t an complex job, but there are some tips and best practices to get best from Docker. I already created bunch of Dockerfile examples […]

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Cobbler is really powerful provisioning tool. I have been using it to provision salt-minion on bare metal servers. From official website: Cobbler can help with provisioning, managing DNS and DHCP, package updates, power management, configuration management orchestration, and much more. Latest Cobbler version is 2.4 and if you try to install it on Ubuntu 12.04 […]

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Once again, one of the very basic question asked in the interviews, What is the difference between Hard links and Soft links. You can explain few basic things, but emphasizing on internals about the linux filesystem, is something which can impress the interviewer.