{"id":39139,"date":"2019-10-31T22:28:03","date_gmt":"2019-10-31T19:28:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-mirageos-3-6-platformy-dlya-zapuska-prilozhenij-poverh-gipervizora\/"},"modified":"2019-10-31T22:28:03","modified_gmt":"2019-10-31T19:28:03","slug":"vypusk-mirageos-3-6-platformy-dlya-zapuska-prilozhenij-poverh-gipervizora","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-mirageos-3-6-platformy-dlya-zapuska-prilozhenij-poverh-gipervizora","title":{"rendered":"Lansarea MirageOS 3.6, o platform\u0103 pentru rularea aplica\u021biilor pe un hypervisor","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/mirage.io\/blog\/announcing-mirage-36-release\">A avut loc<\/a><\/noindex> lansarea proiectului <noindex><a rel=\"nofollow\" href=\"https:\/\/mirage.io\">MirageOS 3.6<\/a><\/noindex>, permi\u021b\u00e2nd crearea sistemelor de operare pentru o singur\u0103 aplica\u021bie, \u00een care aplica\u021bia este livrat\u0103 ca un &#171;unikernel&#187; autosuficient, capabil s\u0103 ruleze f\u0103r\u0103 utilizarea sistemelor de operare, a unui nucleu OS separat \u0219i a unor straturi intermediare. Pentru dezvoltarea aplica\u021biilor se utilizeaz\u0103 limbajul OCaml. Codul proiectului <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/mirage\/mirage\">se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> este sub o licen\u021b\u0103 liber\u0103 ISC.<\/p>\n<p>Toat\u0103 func\u021bionalitatea de baz\u0103 specific\u0103 sistemului de operare este implementat\u0103 sub forma unei biblioteci, ata\u0219ate aplica\u021biei. Aplica\u021bia poate fi dezvoltat\u0103 pe orice sistem de operare, dup\u0103 care este compilat\u0103 \u00eentr-un nucleu specializat (conceptul <noindex><a rel=\"nofollow\" href=\"http:\/\/queue.acm.org\/detail.cfm?id=2566628\">unikernel<\/a><\/noindex>), care poate fi rulat direct pe hypervisoare Xen, KVM, BHyve \u0219i VMM (OpenBSD), pe platforme mobile, sub forma unui proces \u00eentr-un mediu compatibil POSIX sau \u00een medii cloud Amazon Elastic Compute Cloud \u0219i Google Compute Engine. <\/p>\n<p>Mediul generat nu con\u021bine nimic \u00een plus \u0219i interac\u021bioneaz\u0103 direct cu hypervisorul f\u0103r\u0103 drivere \u0219i straturi sistemice, ceea ce permite reducerea semnificativ\u0103 a costurilor indirecte \u0219i cre\u0219terea securit\u0103\u021bii. Lucrul cu MirageOS const\u0103 \u00een trei etape: preg\u0103tirea configura\u021biei cu definirea pachetelor OPAM utilizate \u00een mediu <noindex><a rel=\"nofollow\" href=\"https:\/\/opam.ocaml.org\/\">pachete OPAM<\/a><\/noindex>, construirea mediului \u0219i rularea acestuia. Runtime-ul pentru asigurarea func\u021bion\u0103rii pe Xen se bazeaz\u0103 pe un nucleu restr\u00e2ns <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xenproject.org\/wiki\/Mini-OS\">Mini-OS<\/a><\/noindex>, iar pentru alte hypervisoare \u0219i sisteme bazate pe nucleu  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/solo5\/solo5\">Solo5<\/a><\/noindex>.<\/p>\n<\/p>\n<p>De\u0219i aplica\u021biile \u0219i bibliotecile sunt formate \u00een limbajul de nivel \u00eenalt OCaml, mediile finale demonstreaz\u0103 o performan\u021b\u0103 destul de bun\u0103 \u0219i o dimensiune minim\u0103 (de exemplu, un server DNS ocup\u0103 doar 200 KB). Este de asemenea simplificat \u00eentre\u021binerea mediilor, deoarece la necesitatea de a actualiza programul sau de a modifica configura\u021bia, este suficient s\u0103 se creeze \u0219i s\u0103 se ruleze un nou mediu. Sunt suportate  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/mirage\">c\u00e2teva zeci de biblioteci<\/a><\/noindex> \u00een limbajul OCaml pentru a efectua opera\u021biuni de re\u021bea (DNS, SSH, OpenFlow, HTTP, XMPP etc.), pentru a lucra cu stoc\u0103ri \u0219i pentru a asigura procesarea paralel\u0103 a datelor. <\/p>\n<p>Principalele modific\u0103ri din noua lansare se refer\u0103 la sprijinul pentru noile func\u021bionalit\u0103\u021bi oferite \u00een instrumentarul <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Solo5\/solo5\/releases\/tag\/v0.6.0\">Solo5 0.6.0<\/a><\/noindex> (mediu sandbox pentru rularea unikernel):<\/p>\n<ul>\n<li class=\"l\"> S-a ad\u0103ugat posibilitatea de a rula unikernel MirageOS \u00eentr-un mediu izolat <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Solo5\/solo5\/blob\/master\/docs\/architecture.md\">spt<\/a><\/noindex> (&#171;licita\u021bie de proces sandboxed&#187;), furnizat de uneltele <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Solo5\/solo5\/\">Solo5<\/a><\/noindex>. C\u00e2nd se utilizeaz\u0103 backendul spt, nucleele MirageOS ruleaz\u0103 \u00een procese utilizator Linux, la care se aplic\u0103 o izolare minim\u0103 bazat\u0103 pe seccomp-BPF;\n<li class=\"l\"> Suport implementat <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Solo5\/solo5\/blob\/master\/docs\/architecture.md#application-manifest\">manifestul aplica\u021biilor<\/a><\/noindex> de la proiectul Solo5, care permite definirea mai multor adaptoare de re\u021bea \u0219i dispozitive de stocare ata\u0219ate la unikernel, cu izolare bazat\u0103 pe backendurile hvt, spt \u0219i muen (utilizarea pentru backendurile genode \u0219i virtio este momentan limitat\u0103 la un singur dispozitiv);\n<li class=\"l\"> Securitatea backendurilor bazate pe Solo5 (hvt, spt) a fost \u00eent\u0103rit\u0103, de exemplu, prin asigurarea construirii \u00een modul SSP (Stack Smashing Protection).\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51710\">opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 MirageOS 3.6, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0441\u0430\u043c\u043e\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u044b\u0439 &#171;unikernel&#187;, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0439 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u044f\u0434\u0440\u0430 \u041e\u0421 \u0438 \u043a\u0430\u043a\u0438\u0445-\u043b\u0438\u0431\u043e \u043f\u0440\u043e\u0441\u043b\u043e\u0435\u043a. \u0414\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u044f\u0437\u044b\u043a OCaml. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 ISC. \u0412\u0441\u044f \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0435\u043d\u043d\u0430\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432 \u0444\u043e\u0440\u043c\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438, \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u044f\u0435\u043c\u043e\u0439 \u043a [&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-39139","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 MirageOS 3.6, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-mirageos-3-6-platformy-dlya-zapuska-prilozhenij-poverh-gipervizora\" 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