online since 1994 https://heikkisiltala.net/wiki/ 2026-05-17T23:11:17+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 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 2023-02-14T15:25:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/fi/tietotekniikka/kuvat_kumollaan?rev=1676388341&do=diff Kumollaan olevien valokuvien korjaus Ongelman syy löydetty, ohjelmanpätkä kirjoitettu, kuvat korjattu ja teksti kirjoitettu 7.2.2023. Palvelun catza.net joissakin valokuvissa oli tapahtunut muutos. Kuvat olivat kääntyneet pystyasennosta kyljelleen itsestään, vaikka julkaisuhetkellä ne olivat oikeassa asennossa. Mikään ei ollut muuttunut kuvatiedostoissa eikä palvelun ohjelmakoodisa. Syyn täytyi siis olla jossain muualla. 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 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/comparing_waldorfs?rev=1677105451&do=diff Comparing the small Waldorf synthesizers Created 2015, latest update 2017-10-18. A German company Waldorf has come up with a set of interesting small form factor hardware synthesizers: Blofeld, Pulse 2, Rocket and Streichfett. All the three boxes have their own fields where they shine. 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 2023-02-24T21:55:04+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 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/nytech_nd_4020?rev=1677105451&do=diff Nytech ND-4020 This review and in-depth description was created 2004 - 2007. The latest update was done in July 2015. See for more details. See some photos shot with Nytech ND-4020! Nytech ND-4020 was my first digital camera. I purchased it June 2004 and used it very actively for three months. During that time I shot about 5 000 photos with it. The enthusiasm of photography spread like a fire and so the camera got replaced with text/html 2023-10-11T17:34:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/about?rev=1697045648&do=diff About this site Page last updated 2023-05-03. Luettavissa myös suomeksi. You can contact the webmaster by sending an email to info at-character heikkisiltala dot net. Background You are watching the latest incarnation of my personal website. I've been running a personal website since October 22nd 1994. The site has been running 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 2023-09-22T21:31:36+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 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 2023-02-24T21:57:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/ingo_weidner_analog_vs_digital_waldorf_blofeld?rev=1677275869&do=diff Ingo Weidner's Analog vs. Digital Soundset for Waldorf Blofeld Written in 2014. * The soundset reviewed: Ingo Weidner's “Analog vs. Digital” Soundset for Waldorf Blofeld synthesizer * Sounds: 128 (one Blofeld bank) * Price: 30 € including VAT text/html 2023-02-24T21:58:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/waldorf_blofeld?rev=1677275918&do=diff Waldorf Blofeld Desktop Written in 2014, latest update 2015. Waldorf Blofeld is currently one of my primary synthesizers in my home studio. I've the SL sample option installed. I've been using the synth over a year now and here are my findings so far. Pros * Blofeld is an affordable quality synthesizer. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_100mm_l_macro_is_usm?rev=1677105451&do=diff Canon EF 100mm f/2.8 L Macro IS USM Review of Canon EF 100mm f/2.8 L Macro IS USM telephoto macro lens. Review created 2013. catza.net photos: Canon EF 100mm f/2.8 L Macro IS USM Facts * brilliant all round lens * estimated retail price 930 EUR * in my use from 11/2011 to current date * currently the most used and the most useful lens in my bag text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_s_18_55mm?rev=1677105451&do=diff Canon EF-S 18-55mm f/3.5-5.6 Review of Canon EF-S 18-55mm f/3.5-5.6 zoom lens. Review created 2004, latest update 2013. Facts * very cheap but usable starter's lens * typically comes bundled with a camera body (also known as “the kit lens” text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/peleng_8mm_fisheye?rev=1677105451&do=diff Peleng 8mm f/3.5 Fisheye Review of Peleng 8mm f/3.5 fisheye lens. Review created 2006, latest update 2013. catza.net photos: Peleng 8mm f/3.5 fisheye Facts * a classic manual fisheye lens dating back to the good old days * estimated retail price 350 USD * in my use from 6/2005 to 10/2008 text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/tamron_sp_70_300mm_di_vc_usd?rev=1677105451&do=diff Tamron SP 70-300mm f/4.0-5.6 Di VC USD Review of Tamron SP 70-300mm f/4.0-5.6 Di VC USD telephoto zoom lens. Review created 2014. Sport photos shot with Tamron Facts * very usable telephoto zoom lens for outdoor use when there is plenty of light * in my use from 6/2014 to current date text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/fujifilm_x_s1?rev=1677105451&do=diff Fujifilm X-S1 This Fujifilm X-S1 review was initially created May 2013 and was last updated September 2015. My general rating: recommended for those who need all-in-one camera with good ergonomics. * General photos shot with Fujifilm X-S1 * Naisten Kymppi 25.5.2014 with Fujifilm X-S1 * Roosters - Butchers 6.9.2014 with Fujifilm X-S1 Pros * Nice all-in-one camera for walkaarounds, trips and holidays. text/html 2023-02-23T23:27:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/kodak_advantix_f300?rev=1677194830&do=diff Kodak Advantix F300 The year of origin of this review is 2005. Tästä sivusta on suomenkielinen versio. The only film camera that I've ever owned was Kodak Advantix F300. It was in my active roster from 1999 to 2002. Before that I used to borrow cameras from friends and used one-time-use -cameras. Kodak Advantix was very cheap. If I can remember correctly it cost 179 FIM at Anttila sale. The camera was a fixed-focus point-and-shoot camera, but was based on APS film so it was by far the easiest … text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/compact_cameras/panasonic_lumix_dmc_fz1000?rev=1677105451&do=diff Panasonic Lumix DMC-FZ1000 Initial impressions based on test shots. Written in 2014. Panasonic FZ1000 is right now the hottest camera on the planet. I have a principle to avoid anything that is very hot and wait a while to let it cool down. But this time I made an exception and decided to give FZ1000 a go as a replacement and update for