online since 1994 https://heikkisiltala.net/wiki/ 2026-05-09T22:58:32+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 2023-02-22T22:37:31+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 2023-09-22T21:33:35+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 2023-02-23T23:54:49+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 2023-02-14T15:25:41+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 2023-02-24T21:55:04+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/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/postgresql_vs_sqlite?rev=1676936233&do=diff PostgreSQL vs SQLite Written in 2011. If you need a very fast relational database for a limited amount of data (up to some gigabytes) and don't need scalability on concurrent writes then SQLite is for you. It is a cleverly designed ultra-lightweight ACID compliant relational database that requires no administration. text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/waldorf_rocket?rev=1677105451&do=diff Waldorf Rocket Written in 2013, latest update 2014. Waldorf Rocket is a modern analog-sounding hardware monosynth created and made by a German company Waldorf. Pros * Strong sound for leads and basses. This thing has a virtual analog oscillator and a true analog filter. The combination sounds very analog. text/html 2023-10-25T15:51:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ax_41_2020?rev=1698249104&do=diff Server benchmark 2020: Hetzner AX41 Dedicated Server 2020 * 2020 * AMD Ryzen 5 3600 Hexa-Core Simultaneous Multithreading * 64 GB DDR4 RAM * 2 x 2 TB SATA Enterprise HDD (software-RAID 1) * Connection 1 Gbit/s-Port * Guaranteed Bandwidth 1 GBit/s text/html 2023-10-25T16:21:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ax_41_2023?rev=1698250892&do=diff Server benchmark 2023: Hetzner AX41 Dedicated Server * 2023 * AMD Ryzen 5 3600 Hexa-Core “Matisse” (Zen2) * 64 GB DDR4 RAM * The specification is 2 * 2 TB SATA 6 Gb/s Enterprise HDD; 7200 rpm (Software-RAID 1) * Delivered with 2 * 6 TB SATA 6 Gb/s Enterprise HDD text/html 2023-10-25T15:45:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_cx_21?rev=1698248747&do=diff Server benchmark 2019: Hetzner CX21 Cloud Server * 2019 * 2 vCPU * 4 GB RAM * 40 GB Local NVMe SSD * 20 TB Traffic * <https://www.hetzner.de/> * Debian 10.1 64 bit * Tests run 2019-09-22 Full test ======================================================================== BYTE UNIX Benchmarks (Version 5.1.3) System: *******: GNU/Linux OS: GNU/Linux -- 4.19.0-5-amd64 -- #1 SMP Debian 4.19.37-5+deb10u2 (2019-08-08) Machine: x86_64 (unknown) Language: en_US.utf8 (ch… text/html 2023-10-25T15:44:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ex_40?rev=1698248656&do=diff Server benchmark 2014: Hetzner EX 40 Dedicated Server * 2014 * Intel® Core™ i7-4770 Quadcore Haswell incl. Hyper-Threading Technology * 32 GB DDR3 RAM * Hard Drives 2 x 2 TB SATA 6 Gb/s 7200 rpm (Software-RAID 1) Class Enterprise * Connection 1 Gbit/s-Port text/html 2023-10-25T15:44:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ex_40_ssd?rev=1698248645&do=diff Server benchmark 2013: Hetzner EX 40 SSD Dedicated Server * 2013 * Intel® Core™ i7-4770 Quadcore Haswell incl. Hyper-Threading Technology * 32 GB DDR3 RAM * Hard Drives 2 x 240 GB SATA 6 Gb/s SSD (Software-RAID 1) * Connection 1 Gbit/s-Port text/html 2023-10-25T15:43:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_ex_42_nvme?rev=1698248616&do=diff Server benchmark 2019: Hetzner EX42-NVMe Dedicated Server * 2019 * Intel® Core™ i7-6700 Quad-Core incl. Hyper-Threading Technology * 64 GB DDR4 RAM * 2 x 512 GB NVMe SSD (software-RAID 1) * Connection 1 Gbit/s-Port * Guaranteed Bandwidth 1 GBit/s text/html 2026-04-11T22:25:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/music_collection/w?rev=1775946321&do=diff Music: W A part of my music collection listing. Listing updated 2026-04-10. Music: V<<<<<< Music: X>>>>>> Artist Album Format Date Origin WASP Helldorado CD 2000 Veljekset Keskinen Tuuri WASP The Last Command MCR WASP WASP MCR 28.1.1984 Waltari Decade CD Stockmann Tampere text/html 2023-02-22T22:33:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_bodies/canon_eos_300d?rev=1677105187&do=diff Canon EOS 300D Review created 2005, latest update 2012. catza.net photos: Canon EOS 300D Canon EOS 300D (aka Digital Rebel, Digital Kiss) was the first SLR and DSLR body I have ever owned. I used it from September 2004 to December 2005 was very satisfied with it. It was great first DSLR and I took a huge leap forward with it as a photographer. Canon 300D had wonderful image quality and low noise to compared to the standards of that time. text/html 2023-02-22T06:32:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_stuff/cameras_lenses_and_else?rev=1677047561&do=diff Camera and lenses are not all you need Written in 2005, latest update 2010. If you are into serious photography, the first things you need are a camera body and one or more lenses. But in addition to these there are many things that are needed or come handy. Here are non-conclusive lists of things that I use or have used. 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 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/cognos_bi?rev=1677105451&do=diff The automatic IBM Cognos BI Motto: Run your Business Intelligence, don't let your Business Intelligence run you! Written in 2013. I've been working with IBM Cognos BI (Business Intelligence) system for some years. Our application area for the BI system differs from typical application areas: we use it to provide public internet reporting and OLAP analysis tools. These are based on data extracted from our registers and other statistical data sources. 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 2023-02-22T20:46:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/music/alien_vanguard_waldorf_blofeld?rev=1677098779&do=diff Alien Vanguard Soundset for Waldorf Blofeld by HG Fortune and Dimitri Schkoda Written in 2014. * The soundset reviewed: Alien Vanguard Soundset for Waldorf Blofeld by HG Fortune and Dimitri Schkoda * Sounds: 256 (two Blofeld banks) * Price: 39 € including VAT text/html 2023-02-20T23:37:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/catz/data_concepts?rev=1676936233&do=diff Catz data concepts The concepts known by the Catz service are listed here in the default sorting order. For more information about the concepts please see <https://catza.net/en/search/> Technical code Visible text Explanation Source data level Langauge dependent album album 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 2023-10-25T15:42:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/information_technology/server_benchmarks/hetzner_cpx_21_2020?rev=1698248555&do=diff Server benchmark 2020: Hetzner CPX21 Cloud Server * 2020 * 3 vCPU * 4 GB RAM * 80 GB Local NVMe SSD * 20 TB Traffic * 0.014 €/h * 8.56 €/mo * <https://www.hetzner.de/> * Debian 10.4 64 bit * Tests run 2020-05-27 Full test ======================================================================== BYTE UNIX Benchmarks (Version 5.1.3) System: ******: GNU/Linux OS: GNU/Linux -- 4.19.0-8-amd64 -- #1 SMP Debian 4.19.98-1+deb10u1 (2020-04-27) Machine: x86_64 (unknown)… text/html 2023-02-22T22:37:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://heikkisiltala.net/wiki/en/photography/camera_lenses/canon_ef_50mm_ii?rev=1677105451&do=diff Canon EF 50mm f/1.8 II Review of Canon EF 50mm f/1.8 II standard lens. Review created 2004, latest update 2013. catza.net photos: Canon EF 50mm f/1.8 II Facts * a hobbyist's dream-come-true: the perfect second lens right after the perfect first lens * estimated retail price 105 EUR * in my use from 9/2004 to 7/2006 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 2023-02-23T23:27:10+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