Category Archives: Knowledgebase

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

Log4jShell

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
Posted in English Content, Knowledgebase, Software | Leave a comment

HyperV Machine Export

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
Posted in English Content, Knowledgebase | Tagged | Leave a comment

Cassandra Compendium

Apache Cassandra Compendium, pasting together documentation from https://cassandra.apache.org/doc/latest/cassandra/data_modeling/index.html
Posted in English Content, Knowledgebase | Tagged | Leave a comment

Simple method to add historic feature to SQLite

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
Posted in English Content, IT Featured, Knowledgebase, Structured Query Language (SQL) | Tagged , | Comments Off on Simple method to add historic feature to SQLite

How to re-enable right click

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
Posted in English Content, IT Featured, Knowledgebase | Tagged | Comments Off on How to re-enable right click

Legacy Management

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
Posted in Knowledgebase, Software | Tagged , , | Comments Off on Legacy Management