Category Archives: Virtualization

Comparing Juniper Wistar to Eve-NG

Wistar is a tool to build virtual labs with Juniper gear. The main attraction is its ability to abstract devices consisting of separate machines in a single node in your topology. Wistar belongs in the realm of software like Eve-NG or GNS3 and brings some unique features to the table. Read on to find out more and see how it compares.

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Persistent changes to machines in Eve-NG

When using Eve-NG, most x86-based virtualization happens via Qemu. You place a so-called base image in your Eve-NG machine and that image gets used by all of your nodes. Active nodes exist as a linked clone of the base image. I ran into the need to make some persistent changes to a base image. I did not want to set up another machine just to adjust my images so I figured out how to use my Eve-NG machine to do it. Read on to find out how.
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ACM membership grants access to Safari Books

The Association for Computing Machinery (ACM) is a well known international learned society for IT professionals. I’ve known about ACM for a while because I encounter articles from their ACM Queue from time to time. I’ve looked at membership options before because they provide some benefits and because the cause of ACM is something that I would support. Until recently though, I couldn’t justify the costs of the yearly subscription which is 99 USD. That’s changed now, big time, because the professional membership now includes access to Safari Books Online.

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