Category Archives: Knowledgebase

The Knowlege base arranges tips and userful informations scattered on the web.

Log4jShell

Posted on December 20, 2021 by Giovanni Giorgi
Log4jShell vulnerability Kasperky article https://www.lunasec.io/docs/blog/log4j-zero-day-update-on-cve-2021-45046/ with the following “news”:If you have previously used LOG4J_FORMAT_MSG_NO_LOOKUPS to mitigate the log4shell vulnerability, in certain conditions this will not be sufficient to protect your code from RCE. Refer to our mitigation guide for additional steps … Continue reading →
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HyperV Machine Export

Posted on October 28, 2021 by Giovanni Giorgi
Shutdown VM and compress the compact the disks Check if you have enough space: you need more or less the space of the VM disks+ minimal RAM configured From your Hyper-V host, run PowerShell as an administrator and then run … Continue reading →
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Cassandra Compendium

Posted on August 29, 2021 by Giovanni Giorgi
Apache Cassandra Compendium, pasting together documentation from https://cassandra.apache.org/doc/latest/cassandra/data_modeling/index.html
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Simple method to add historic feature to SQLite

Posted on April 9, 2021 by Giovanni Giorgi
Abstract: Make a database which can be store historic modification is often considered a “secondary” activity, but bad design leads to databases that are difficult to optimize and often not very understandable. In this article we illustrate a simple method … Continue reading →
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How to re-enable right click

Posted on February 21, 2021 by Giovanni Giorgi
Some news site still try in 2021 to disable right click and ability to copy content. These tactis are very very poor, and only block the users not interested in copying/stealing your code. The  idea is to put something like … Continue reading →
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Legacy Management

Posted on February 10, 2021 by Giovanni Giorgi
Good insights from this article: How to strangle a legacy codebase The strategy is simple: Progressively delete the old code base, in favor of a new one. Here’s the plan: Have the new code acts as a proxy for the old … Continue reading →
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