{"id":74341,"date":"2020-03-16T20:42:18","date_gmt":"2020-03-16T17:42:18","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-redox-os-predstavil-paketnyj-menedzher-pkgar-napisannyj-na-yazyke-rust"},"modified":"2020-03-16T20:42:18","modified_gmt":"2020-03-16T17:42:18","slug":"proekt-redox-os-predstavil-paketnyj-menedzher-pkgar-napisannyj-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/proekt-redox-os-predstavil-paketnyj-menedzher-pkgar-napisannyj-na-yazyke-rust","title":{"rendered":"Redox OS projekti tutvustas pakihaldurit pkgar, mis on kirjutatud Rust keeles","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Operatsioonis\u00fcsteemi arendajad <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redox-os.org\/\">Redox<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51956\">kirjutatud<\/a><\/noindex> Rust keelt ja mikrokerne kontsepti kasutades, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redox-os.org\/news\/pkgar-introduction\/\">esitanud<\/a><\/noindex> uus pakihaldur <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/redox-os\/pkgar\">pkgar<\/a><\/noindex>. Projekti raames arendatakse uut pakendiformaati, pakihalduri funktsioonide teeki ja k\u00e4sureat\u00f6\u00f6riistu kr\u00fcptograafiliselt kontrollitud failikogumi loomiseks ja ekstrakteerimiseks. pkgar kood on kirjutatud Rust keeles ja <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/redox-os\/pkgar\">levitatakse<\/a><\/noindex> MIT litsentsi alusel.<\/p>\n<p>Pkgar formaat ei pretendeeri universaalsusele ja on optimeeritud Redox OS operatsioonis\u00fcsteemi spetsiifikat arvesse v\u00f5ttes. Pakihaldur toetab allika kinnitamist digitaalsete allkirjadega ja terviklikkuse kontrollimist. Kontrollsummad arvutatakse hash-funktsiooni abil <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52173\">blake3<\/a><\/noindex>. Paketi verifitseerimisega seotud funktsionaalsus pkgar v\u00f5ib olla saadaval ilma paketi arhiivi tegeliku salvestamiseta, manipuleerides ainult p\u00e4ise osaga. Eelk\u00f5ige koosneb pakk p\u00e4isefailist (.pkgar_head) ja andmefailist (.pkgar_data). Korrektselt allkirjastatud t\u00e4ielik koondpakett (.pkgar) saab loodud lihtsalt, \u00fchendades p\u00e4isefaili andmefailiga (\"cat example.pkgar_head example.pkgar_data &gt; example.pkgar\"). <\/p>\n<p>P\u00e4isefail sisaldab eraldi kontrollsummasid p\u00e4ise ja andmefaili parameetrite struktuuride jaoks, samuti digitaalset allkirja pakendi kontrollimiseks. Andmefail sisaldab j\u00e4rjestikku loetletud k\u00f5iki faile ja kaustu, mis on pakendis. Iga andmeelementi eelneb metainformatsiooni struktuur, mis sisaldab kontrollsummat andmete jaoks, suurust, \u00f5igusi, paigaldatava faili suhtelist teed ja j\u00e4rgmise andmeelemendi parameetrite nihke. Kui uuendamise k\u00e4igus ei ole eraldi faile muudetud ja kontrollsumma klappib, siis need j\u00e4etakse vahele ja ei laadita alla.<\/p>\n<p>Allika terviklikkust saab kontrollida, saades ainult p\u00e4isefaili, ja valitud andmefaili \u00f5igust, laadides alla ainult selle faili parameetrite struktuurid ja veendudes, et need vastavad p\u00e4isefailis kinnitatud kontrollsummale. Andmeid saab otse kontrollida p\u00e4rast nende allalaadimist, kasutades parameetrite struktuuris olevat kontrollsummat, mis eelneb andmetele.<\/p>\n<p>Paketid eeldavad algselt korduva ehituse v\u00f5imalust, mis t\u00e4hendab, et paketi loomine kindlasse katalooge viib alati identse paketi moodustamiseni. P\u00e4rast s\u00fcsteemis installimist j\u00e4\u00e4vad alles ainult metainformatsioon, mis on piisav paketi rekonstrueerimiseks installitud andmetest (paketi koostis, kontrollsummad, teed ja \u00f5igused on metainformatsioonis).<\/p>\n<p>Pkgar peamised eesm\u00e4rgid:<\/p>\n<ul>\n<li class=\"l\"> Aatomaarne - v\u00e4rskendused rakendatakse v\u00f5imalikult automaatselt.\n<li class=\"l\"> Liikluse kokkuhoid - andmed edastatakse v\u00f5rgus ainult siis, kui r\u00e4sikood on muutunud (v\u00e4rskendamisel laaditakse alla ainult muutunud failid).\n<li class=\"l\"> K\u00f5rge j\u00f5udlus, kasutatakse kiireid kr\u00fcptograafilisi algoritme (blake3 toetab andmete t\u00f6\u00f6tlemise paralleelset t\u00e4itmist hash'i arvutamisel). Kui andmed hoidlast ei ole varem vahem\u00e4lusse salvestatud, v\u00f5ib laaditavate andmete hash'i arvutada laadimise ajal.\n<li class=\"l\"> Minimalism - erinevalt teistest vormidest sisaldab pkgar ainult metainfot, mis on vajalik paketi v\u00e4ljav\u00f5tmiseks.\n<li class=\"l\"> Katalooge s\u00f5ltumatus - pakki saab installida \u00fcksk\u00f5ik millisesse katalooge, iga kas k\u00e4ytt\u00e4j\u00e4 (kasutajal peab olema kirjutamis\u00f5igus valitud katalooge).\n<li class=\"l\"> Turvalisus - paketid verifitseeritakse alati kr\u00fcptograafiliselt ja verifitseerimine toimub enne tegelikke operatsioone paketiga (esialgu laaditakse p\u00e4is alla ja kui digitaalne allkiri on \u00f5ige, laaditakse andmed ajutisse katalooge, mis liigutatakse sihtkatalooge alles p\u00e4rast verifitseerimist).\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52546\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Redox, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0439 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u044f\u0437\u044b\u043a\u0430 Rust \u0438 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u0438 \u043c\u0438\u043a\u0440\u043e\u044f\u0434\u0440\u0430, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u043f\u0430\u043a\u0435\u0442\u043d\u044b\u0439 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 pkgar. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043d\u043e\u0432\u044b\u0439 \u0444\u043e\u0440\u043c\u0430\u0442 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0441 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043a\u0435\u0442\u0430\u043c\u0438 \u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0438 \u0438\u0437\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u044f \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043d\u043e\u0439 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438 \u0444\u0430\u0439\u043b\u043e\u0432. \u041a\u043e\u0434 pkgar \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u0424\u043e\u0440\u043c\u0430\u0442 pkgar \u043d\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-74341","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 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Redox,","og:url":"https:\/\/prohoster.info\/et\/blog\/news\/proekt-redox-os-predstavil-paketnyj-menedzher-pkgar-napisannyj-na-yazyke-rust","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-03-16T17:42:18+00:00","article:modified_time":"2020-03-16T17:42:18+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"74341","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 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