Posts Categorized: Pythian

Why was SSHD refusing my key?

I was contacted by a colleague about a problem he was having. “I’m trying to set up something simple which I’ve done millions of times, but it’s not working. I might be missing something obvious.” The issue was that the SSH public key authentication didn’t work. The environment was running a virtualized Oracle Enterprise Linux 6.4…

Log Buffer #346, A Carnival of the Vanities for DBAs

Economist says that Physics suggest that storms will get worse as the planet warms. Typhoon Haiyan in Philippines, bush-fires in Australia, floods in China, and extreme unpredictable weather across the planet is a sober reminder. Good news is that technology and awareness is rising, and so is the data. Database technologies are playing their part…

Oracle RAC on the Cloud, Part 3

This is part 3 of a multipart series of getting oracle RAC running on a cloud environment. In part 1, we set up a NFS server for shared storage. In part 2, we set up OS components for each RAC server. Now we finish up the OS configuration and move to Oracle grid infrastructure.

Oracle RAC on the Cloud, Part 2

In part 1 of this series, we talked about some of the challenges of setting up Oracle RAC on a public cloud provider, and went on to order some VMs from provider Gandi, and finally configuring a NFS server for shared storage. In this post, we move on to configuring the rac servers themselves, rac01 and rac02.

Oracle RAC on the Cloud, Part 1

I’ve been working on moving a lot of the testing and R&D work I do away from local virtual machines and onto cloud environments, for a few reasons: I can avoid carrying around a laptop all the time, and rather log onto the cloud wherever I happen to be It’s easy to scale down and…

How to Download Oracle Software Using WGET or CURL

This is yet another blog post with tips and tricks to help you (and me) download Oracle software without the help of a Web browser. If you Google “how to download Oracle with wget” you’ll find heaps of posts with useful tips. I decided to write this post to compile the methods I’m aware of…

Log Buffer #345, A Carnival of the Vanities for DBAs

There are a number of technologies, apps, and social media creations out there seeking to displace blogs as the mode of sharing between surfers, but blogging has proved hardy. It has proven its mettle and it’s here to stay. This Log Buffer Edition appreciates this strength of the blogs.

The responsibility of “root”

Systems Administrators often hold the “keys to the kingdom”.  In a data driven world, every IT asset has the potential to have multiple privileged accounts, which can introduce risk to your business and your data.  From the SuperUser to the Database Admin to the Application Owner, each day numerous people are accessing critical infrastructure, often…

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