En
All English articles are marked under this category
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Slackware was my first real distro in 1995 and I am happy it is still alive and kicking. It was a floppy disk based distribution. So you end up filling about 20 disks (!) of 1.44MB to install and boot Linux on your old i386 with 1MB of RAM and 40MB of HardDisk. After
some upgrade I finally got a PC with 8MB RAM and 500MB hard disk (and yes, it was a lot of space for that times!).
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Due to COVID19 pandemic, I and my family was forced in our home. So I revamped my 8bit computer book, with a new look and a nice search engine.
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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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- 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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On 2023 Ubuntu 18 LTS support will end, so I started to evaluate the next LTS release, Ubuntu 20.
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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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K8s is a very complex beast. But it give you a very good set of security defaults, and it is also a very well done implementation of a microservice application.
After installing Docker Swarm on some Customer, we are giving up on Swarm because the Enterprise version was acquired by Mirantis and now is marketed like “K8s” engine, so Swarm seems K8s right now.
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Turbo Rascal is a development environment for the Commodore computers but also for others like NES and so on.
It is a bit different from other IDE because it is based on a Pascal-like language. It is not easy to compile high level programming language on 6502, but Pascal seems to pay its bill well.
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Some time ago I stumbled upon this Hacker News discussion on how disable Spectre mitigation.
(For what Meltdown and Spectre is, refer to this article on 2018)
It is sad to say but my Intel NUC centrino was slowed down a lot by these mitigation, and the same faith is shared by old Intel server. Disabling it on Linux and Windows has a very huge improvements.
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