{"id":104418,"date":"2022-06-15T21:37:34","date_gmt":"2022-06-15T19:37:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-monolitnyj-distributiv-ubuntu-core-22"},"modified":"2022-06-15T21:37:34","modified_gmt":"2022-06-15T19:37:34","slug":"dostupen-monolitnyj-distributiv-ubuntu-core-22","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/dostupen-monolitnyj-distributiv-ubuntu-core-22","title":{"rendered":"Dostupan je monolitni distribucijski paket Ubuntu Core 22","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Tvrtka Canonical objavila je izdanje Ubuntu Core 22, kompaktne verzije Ubuntu distribucije prilago\u0111ene za upotrebu na Internet of Things (IoT) ure\u0111ajima, u kontejnerima, potro\u0161a\u010dkoj i industrijskoj opremi. Ubuntu Core isporu\u010duje se kao nedjeljiva monolitna slika osnovnog sustava, bez podjele na odvojene deb pakete. Slike Ubuntu Core 22, \u010diji je sastav uskla\u0111en s paketnom bazom Ubuntu 22.04, pripremljene su za x86_64, ARMv7 i ARMv8 sustave. Vrijeme podr\u0161ke za izdanje je 10 godina.      <\/p>\n<p>Ubuntu Core slu\u017ei kao osnova za pokretanje dodatnih komponenti i aplikacija, koje su oblikovane kao samodostatni dodaci u snap formatu. Komponente Ubuntu Core, uklju\u010duju\u0107i osnovni sustav, Linux jezgru i sustavne dodatke, tako\u0111er se isporu\u010duju u snap formatu i upravljaju alatima snapd. Snappy tehnologija omogu\u0107uje oblikovanje sustavne slike kao jedne celine, bez podjele na odvojene pakete.    <\/p>\n<p>Umjesto postupnog a\u017euriranja na razini pojedina\u010dnih deb paketa, Ubuntu Core koristi mehanizam atomskog a\u017euriranja snap paketa i osnovnog sustava, sli\u010dno Atomic, ChromeOS, Endless, CoreOS i Fedora Silverblue. Tijekom a\u017euriranja osnovnog okru\u017eenja i snap paketa postoji mogu\u0107nost vra\u0107anja stanja na prethodnu verziju u slu\u010daju problema koji se jave nakon a\u017euriranja. Trenutno u katalogu SnapCraft nalazi se vi\u0161e od 4.5 tisu\u0107a snap paketa.    <\/p>\n<p>Kako bi se osigurala sigurnost, svaki komponent sustava verificira se pomo\u0107u digitalnog potpisa, \u0161to \u0161titi distribuciju od skrivenih izmjena ili instalacije neprovjerenih snap paketa. Komponente isporu\u010dene u Span formatu izoliraju se uz pomo\u0107 AppArmor i Seccomp, stvaraju\u0107i dodatni sloj za\u0161tite sustava u slu\u010daju kompromitacije pojedinih aplikacija. Osnovni sustav uklju\u010duje samo minimalni skup potrebnih aplikacija, \u0161to je ne samo smanjilo veli\u010dinu sustavnog okru\u017eenja, ve\u0107 pozitivno utjecalo na sigurnost smanjenjem mogu\u0107ih vektora napada.    <\/p>\n<p>Osnovni datote\u010dni sustav montira se u re\u017eimu samo za \u010ditanje. Mogu\u0107e je koristiti enkripciju podataka na ure\u0111aju uz pomo\u0107 TPM-a. A\u017euriranja se objavljuju redovito, dostavljaju se u OTA (over-the-air) re\u017eimu i sinkronizirana su s verzijom Ubuntu 22.04. Kako bi se smanjila propusnost, a\u017euriranja dolaze u komprimiranom obliku i uklju\u010duju samo promjene u odnosu na prethodno a\u017euriranje (delta-izmjene). Automatizacija instalacije a\u017euriranja rje\u0161ava probleme odr\u017eavanja sigurnosti sustava kada se koristi na ugra\u0111enim ure\u0111ajima.     <\/p>\n<p>Zahvaljuju\u0107i logi\u010dkom odvojenju osnovnog sustava od aplikacija, odr\u017eavanje koda Ubuntu Core u a\u017eurnom stanju obavljaju programeri Ubuntu, dok o a\u017eurnosti dodatnih aplikacija brinu programeri aplikacija. Ovakav pristup omogu\u0107ava smanjenje tro\u0161kova odr\u017eavanja proizvoda \u010dije je programsko okru\u017eenje izgra\u0111eno na bazi Ubuntu Core, budu\u0107i da proizvo\u0111a\u010di ne moraju brinuti o objavljivanju i isporuci sistemskih a\u017euriranja te se mogu usredoto\u010diti samo na svoje specifi\u010dne komponente.    <\/p>\n<p>Glavne novine:  <\/p>\n<ul>\n<li class=\"l\"> Predlo\u017eena je koncepcija provjerenih skupova paketa (Validation sets) koja omogu\u0107uje odre\u0111ivanje skupa snap-paketa i njihovih verzija koje se mogu instalirati i a\u017eurirati samo zajedno. Provjereni skupovi mogu se koristiti za implementaciju ograni\u010denja koja dopu\u0161taju instalaciju samo odre\u0111enih snap-paketa, distribuciju vlastitih dodatno testiranih i provjerenih paketa, ili za pojednostavljenje upravljanja ovisnostima.\n<li class=\"l\"> Dodani su alati za nadogradnju okru\u017eenja Ubuntu Core 20 na verziju 22 bez ponovne instalacije.\n<li class=\"l\"> Implementirana je mogu\u0107nost vra\u0107anja konfiguracije na izvorno stanje (factory reset).\n<li class=\"l\"> Omogu\u0107ena je podr\u0161ka za grupe kvota za ograni\u010davanje resursa CPU-a i memorije vezano za odre\u0111ene grupe snap usluga.\n<li class=\"l\"> Dodana je podr\u0161ka za alate MicroK8s, koji nude pojednostavljenu verziju platforme za orkestraciju kontejnera Kubernetes.\n<li class=\"l\"> Predlo\u017een je paket s Linux kernelom koji uklju\u010duje PREEMPT_RT zakrpe i orijentiran je na primjenu u sustavima koji rade u realnom vremenu.\n<li class=\"l\"> Dodana je podr\u0161ka za alate MAAS (Metal-as-a-Service) za brzo postavljanje konfiguracija na vi\u0161e sustava.  <\/li>\n<li class=\"l\"> Dodana je podr\u0161ka za cloud-init za postavljanje sustava u fazi pokretanja.        <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57362\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Canonical \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 Ubuntu Core 22, \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u0433\u043e \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Ubuntu, \u0430\u0434\u0430\u043f\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043d\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430 \u0432\u0435\u0449\u0435\u0439 (IoT), \u0432 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u0445, \u043f\u043e\u0442\u0440\u0435\u0431\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u043c \u0438 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u043c \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0438. Ubuntu Core \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0444\u043e\u0440\u043c\u0435 \u043d\u0435\u0434\u0435\u043b\u0438\u043c\u043e\u0433\u043e \u043c\u043e\u043d\u043e\u043b\u0438\u0442\u043d\u043e\u0433\u043e \u043e\u0431\u0440\u0430\u0437\u0430 \u0431\u0430\u0437\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0440\u0430\u0437\u0431\u0438\u0432\u043a\u0430 \u043d\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 deb-\u043f\u0430\u043a\u0435\u0442\u044b. \u041e\u0431\u0440\u0430\u0437\u044b Ubuntu Core 22, \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d \u0441 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0439 \u0431\u0430\u0437\u043e\u0439 Ubuntu 22.04, [&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-104418","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Canonical \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 Ubuntu Core 22, \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u0433\u043e \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Ubuntu, \u0430\u0434\u0430\u043f\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f 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