online since 1994 https://heikkisiltala.net/wiki/ 2026-04-19T03:28:24+00:00 https://heikkisiltala.net/wiki/ https://heikkisiltala.net/wiki/_media/wiki/logo.png text/html 2023-09-22T21:31:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/one_disk_nas?rev=1695418296&do=diff Creating a small NAS server based on OpenMediaVault The initial version written 2020-07-15. Latest update 2020-08-01. See a separate page for long-term impressions. My goal was to create a small and simple network attached storage (NAS) server to serve as a file sharing server between devices connected to home network. The performance requirements for this system were low. I wanted to file storage to be encrypted. text/html 2023-09-22T21:33:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_nas_impressions?rev=1695418415&do=diff The small NAS server: long-term impressions 2023-09-23: Writing in progress... Impressions after six months Impressions after six months written in 2021-02-21. The system has been running for about six months now and I'm still very happy of this setup. text/html 2023-02-23T23:55:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/opera_tor_malware?rev=1677196510&do=diff Opera browser wild on opening sockets and listening on port 9050 The strange behavior of Opera browser described in this text happened in 2013 and was caused by ZeuS malware that dynamically injected its code to Opera process. I might be that there was nothing wrong with Opera browser itself. text/html 2023-02-24T21:55:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/service_management?rev=1677275704&do=diff Catz service management Latest update 2022-07-16. This page contains short process descriptions, notes and checks for Catz application engine management and for version upgrades. This page is provided as public to show an example how a Perl- and Mojolicious-based application can be managed. This also gives me online access to the notes. text/html 2023-02-24T21:59:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/inside_sotkanet?rev=1677275965&do=diff Inside SOTKAnet This article was written in 2005. SOTKAnet indicator bank is a public accessible web information service that publishes detailed information on well-being and health in Finland. SOTKAnet was launched by STAKES, the National Research and Development Centre for Welfare and Health, on Monday 14th March 2005 at text/html 2023-02-26T05:16:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/seagate_external_hardrive_issues?rev=1677388611&do=diff Seagate Expansion Desktop performance issues and fixes Page created 2018-01-04. Last updated 2018-01-05. I had some issues with a brand new Seagate Expansion Desktop 4TB USB 3 hard drive (STEB4000200). Here are the issues and how they were fixed. Issue 1: Drive is extremely slow right from the beginning text/html 2024-02-19T04:03:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/perl2python?rev=1708315431&do=diff Moving from Perl to Python Created 2021-04-27. Latest update 2024-02-19. The need for a general purpose programming language The programming languages that I've previously used include Java, JavaScript, PL/SQL, Ruby, Perl, C, C++, PHP, Pascal, Visual Basic, Lisp and Fortran (at least). text/html 2023-02-23T23:54:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/the_zeus_malware_incident?rev=1677196489&do=diff The ZeuS malware incident This report was written in 2014, latest update 2017-10-22. Summary in Finnish. My Windows 7 desktop computer was hit by ZeuS malware or some variant of it. It wasn't detected by virus scanners and so it lived on the computer at least over a month, maybe much longer. Here is the full story. text/html 2023-02-26T17:32:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/system_description?rev=1677432730&do=diff About the design and implementation of Catz Written in 2011 so may contain outdated information. The key attributes * The service is stateless: the HTTP GET request's URL identifies the resource requested. There are no cookies nor sessions. * The public access is dynamic but read only. All data is loaded offline by a loader sumsystem.