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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 that respects the dictates of relational theory & is easy to understand. As a plus we will show it on SQLite, a small but powerful database system.
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Apache Cassandra Compendium, pasting together documentation from https://cassandra.apache.org/doc/latest/cassandra/data_modeling/index.html
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- 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 something like: GET-VM This will display all the VMs running on the current host.
- Then run:
$ExportPath = “C:\\Exports” Export-VM -Name “BoxNameFromGetVM Step3” -Path $ExportPath
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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 you can take to remediate the impact of Log4Shell
- Apache group released two fix in short delay, after the second fix was found vulnerable to other attacks, a third fix (2.17.0) was released.
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On Oracle Autonomous Database (Oracle Cloud DB service), the consumer groups of the predefined service names provide different levels of performance and concurrency.
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JSON Schema is a vocabulary that allows you to annotate and validate JSON documents.
Benefits
On top of it you can run JSON Forms, a data driven forms library:- Describes your existing data format(s).
- Provides clear human- and machine- readable documentation.
- Validates data which is useful for:
- Automated testing.
- Ensuring quality of client submitted data.
- Declare your forms as JSON based on a JSON Schema
- Fully-featured forms including data-binding, input validation, and rule-based visibility out-of-the-box
- Designed for customizability - from custom styling to custom widgets
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When you run pihole in a docker container, it could be difficult to build images on the same docker daemon, because docker-compose cannot pass DNS request to another container during build, and normal dns resolution fixes won’t work.
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