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Guy Debrabandere

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Default passwords and the dangers they pose

What are default passwords ?

Default passwords can be either the system delivered default password or a password that's exactly the same as the username.

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Estimate deduplication on a fileserver < 5 minutes

The purpose of this article:

After the blogpost of my colleaugue Wouter Deneyer 'What is data deduplication', I will show you how to estimate your savings on a windows 2012 R2 fileserver.

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Virtual machine screensavers - A real performance hog

The history of screensavers

Remember those big chunky CRT screens that had an image burned into it? While that made a moment of smurk on my face, it was a real hassle. Screensavers were originally...

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IBM Power i can do JAVA too

The story

Recently I came upon a client who was having issues with the backup on a power system. The time it took to make the backup had increased immensly over the past year.

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The system is slow again... Applications

In my last blogpost "The system is slow again..." I talked about performance bottlenecks and how infrastructure can impact that. Today I will be treating the applications part. I will not talk...

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SSLv3 security issue: Impact for the HMC and V3700

What is SSLv3

A protocol that allows you to securily connect to a service. But... SSLv3, which is quiet old, is no longer secure. Many bugs and security issues have been found the past years and some...

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Pernod Ricard - Backup and Restore Test - Part 2/2

Following my last blogpost, I promised to give you the results of the Backup and Restore test we performed for Pernod Ricard.

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Pernod Ricard - Backup and Restore Test - Part 1/2

Everyone has heard of Pernod Ricard at some point in their life. You may even have gotten the opportunity to taste their incredible fine beverages. Personally I really enjoy their 18 year old...

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