Synology: the DSM-6.1 update disables the “Intrusion Prevention” package – that’s a disaster

The packages will not receive any future updates and will be disabled after the system update. Intrusion Prevention I am at loss. How to ensure intrusion prevention from now on? Is the firewall (control panel / security) good enough? https://www.synology.com/en-uk/releaseNote/DS713+ (Version: 6.1-15047) Known Issues & Limitations Ended support for Intrusion Prevention since DSM 6.1. This package… Continue reading Synology: the DSM-6.1 update disables the “Intrusion Prevention” package – that’s a disaster

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a Google Chrome plugin: Microdata.reveal

https://chrome.google.com/webstore/detail/microdatareveal/olapakiakkblfdaajcifgldandnikpdh The Chrome Task Manager just showed me that this plugin consumed 1.2 GB of memory. I immediately removed the plug-in for that reason. I really like the idea of incorporating microdata into HTML documents. On en.wikipedia.org and de.wikipedia.org (wikis based on MediaWiki) there are templates (for citing web resources and literature) that create microdata into… Continue reading a Google Chrome plugin: Microdata.reveal

my browser (“Chrome”) and my webmail access (“Horde (software)”) had a “conflict”

https://en.wikipedia.org/wiki/Horde_(software) Since last night my ISP did not let me log in – that’s what it looked like. I called in, they did not notice any general problems, suggested I should try Chrome’s “icognito mode” in order to bypass Chrome’s cookies (wrt the website in question), and “bingo!”: succesful log-in. If “icognito mode” works, then… Continue reading my browser (“Chrome”) and my webmail access (“Horde (software)”) had a “conflict”

VirtualBox needs “occasional” reboots for best performance

https://en.wikipedia.org/wiki/VirtualBox I am running VirtualBox on a MacBook Pro (Mac OS X 10.11.6). It is running 2 virtual machines: Win8.1 openSUSE I hardly ever completely shut down the MacBook, I always only pause it. I “never” shut down the virtual machines, I only pause them as well. Until I shut down the virtual machines and… Continue reading VirtualBox needs “occasional” reboots for best performance

xmlstarlet: how to deal with a default namespace in XPath expressions?

I ran into this problem, when I tried to extract values from JasperReport’s JRXML using xmlstarlet. JRXML files introduce a default namespace (which does not seem to serve a lot), and XPath processors need to take that into account. When I searched for help in xmlstarlet’s documentation and on the web, I came across this… Continue reading xmlstarlet: how to deal with a default namespace in XPath expressions?

using the “telnet” utility for testing ports – it’s sort of gone (on Windows nowadays), but they allow you to re-enable it

Back in the old days before SSH was “the standard way” to log into a remote computer, there “were” a protocol (and a utility) called “telnet” in order to achieve that. But the “telnet” utility traditionally also served for testing deliberate TCP/IP ports somewhere in the Internet resp. on your “Intranet”, e.g. Can I connect… Continue reading using the “telnet” utility for testing ports – it’s sort of gone (on Windows nowadays), but they allow you to re-enable it

Modern Perl 2016 (AKA “4e”) edition – online and e-books free yet another time

https://pragprog.com/book/swperl/modern-perl-fourth-edition https://web.archive.org/web/20161123122456/http://www.modernperlbooks.com/ http://www.modernperlbooks.com – as of today (and also in its archived version shown above) this web page announces the 2016 (AKA “4e”) edition http://www.modernperlbooks.com/books/modern_perl_2016/ – online HTML version http://onyxneon.com/books/modern_perl – which version to get where (PDF/letter, PDF/A4, …)