Category Archives: Tweaks

Upgrade Debian 8 Jessie to Debian 9 Stretch

This article explains a system upgrade procedure from Debian 8 Jessie Linux to Debian 9 Stretch.

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Convert Virtual Machine of VirtualBox to ESXi

My coworker wants to have access to a virtual machine on ESXi, but our company only supports the virtual appliance of Oracle VirtualBox format.

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How NOT to design APIs (so far as I know)

REST APIs have become a very important topic for the last few years. There are used the HTTP methods GET, DELETE, POST, PUT, PATCH to operate with the resources having an equivalent in CRUD. Where POST / GET is the oldest and used by browser forms or URL rewriting since IE4.

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Data migration template

Coming up with a data migration checklist for your data migration project is one of the most challenging tasks, particularly for the uninitiated.To help, I’ve compiled a list of ‘must-do’ activities that ​I’ve found to be essential to successful migrations

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My most used function in ServiceNow? Text comparison!

In the world of data transformation/migration is the most common thing (in my case) is data verification and text comparison. Usually, there is source and target value and some logic in the background.

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