online since 1994 https://heikkisiltala.net/wiki/ 2026-09-09T22:59:51+00:00 https://heikkisiltala.net/wiki/ https://heikkisiltala.net/wiki/_media/wiki/logo.png text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/meta_and_social?rev=1677105451&do=diff Catz metadata and social media integration Mandatory page metadata The base template base/heavy.html.ep forces the following metadata on all pages. tag explanation meta http-equiv content-type meta http-equiv content-language content langauge is also set on html and body so we really are on the safe side text/html 2021-04-24T19:09:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/start?rev=1619291382&do=diff Information technology Subtopics * Catz application engine * Server benchmarks Pages * A dedicated server or a virtual server * Building a website mixing static and dynamic techniques * Creating a small NAS server based on OpenMediaVault * Dokuwiki notes and tricks * Inside SOTKAnet * Moving from Perl to Python * Opera browser wild on opening sockets and listening on port 9050 * Perl MVC frameworks: Catalyst, Dancer, Mojolicious * PostgreSQL vs SQLite * Practical Linux * Sea… 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 2023-02-26T17:32:10+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About the design and implementation of Catz Written in 2011 so may contain outdated information.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. 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 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/bulk_interface?rev=1676936233&do=diff Catz bulk intefrace 2021-04-25: This interface had its practical use until summer 2014. It is still available but considered deprecated. Listing the photos of an album The request is sent as HTTP GET and a plain text document is retured. The first line returned is an informational header. The following lines contain the data using the pipe character as a column separator. The fields retuned are text/html 2023-02-17T21:33:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/dokuwiki_notes_and_tricks?rev=1676669608&do=diff Dokuwiki notes and tricks Latest update 2023-02-17. My preferred template My preferred DokuWiki template is Bootstrap3. This site is using theme Cosmo. I also like United theme a lot. Before switching to Bootstrap3 I used to use Typowiki template. Automatic UI language selection based on URL * Installed languages: en, fi text/html 2023-10-11T17:51:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/mixing_static_and_dynamic?rev=1697046717&do=diff Building a website mixing static and dynamic techniques An ongoing writing process. Started 2021-07-12. Latest update 2023-10-11. From where do we start I'm a content creator, maintainer, developer and webmaster of a few websites purely as a hobby. text/html 2020-06-22T10:26:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/start?rev=1592821591&do=diff Catz application engine Catz is the custom-built application that runs <https://catza.net/>. The source code is available at <https://github.com/XDF/catz>. * About the design and implementation of Catz * Catz bulk intefrace * Catz data concepts * Catz metadata and social media integration * Catz service management Some of the technologies that Catz is based on are: * <https://www.perl.org/> * <https://mojolicious.org/> * <https://www.sqlite.org/> * <https://memcached.org/> *… text/html 2024-07-14T19:57:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/start?rev=1720987054&do=diff Server benchmarks Here are some benchmarks that I've run on small physical and virtual servers during the years. The benchmarking was typically done by running Byte UnixBench and then dd for disk speed. * Server benchmark 2024: Hetzner CX32 Cloud Server * Server benchmark 2023: Hetzner CX11 Cloud Server * Server benchmark 2023: Hetzner CPX21 Cloud Server 2023 * Server benchmark 2023: Hetzner CAX21 Cloud Server * Server benchmark 2023: Hetzner AX41 Dedicated Server * Server benchmark 202… text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/dedicated_or_virtual_server?rev=1677105451&do=diff A dedicated server or a virtual server These are my notes on choosing between Hetzner's Dedicated Server EQ 4 and Virtual Private Server VQ 19. This was written in 2011 so this may not reflect the current similarities and differences between the two server types. text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/framework_comparison?rev=1676936233&do=diff Perl MVC frameworks: Catalyst, Dancer, Mojolicious Written in 2010. I used all the three Perl MVC frameworks (Catalyst, Dancer and Mojolicious) during this project. I started the project with Catalyst and implemented some of the core features and content pages with it. Then I started a side project to test Dancer framework. When the project started I found Mojolicious not to be mature enough for this system. But it developed a lot and later I decided to switch from Catalyst to Mojolicious. The… text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/practical_linux?rev=1676936233&do=diff Practical Linux The year of origin of this page is 2007. Lue suomeksi. You have invested 300 000 € to new Linux servers and willing to set them up quickly? Here's a practical guide how you do it and enter production in no time! Unloading First step is to unload the cardboard boxes from the truck. There are plenty of them so take your time. 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 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.