{"id":102938,"date":"2022-01-11T03:36:41","date_gmt":"2022-01-11T01:36:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/%d1%80%d0%b5%d0%bb%d0%b8%d0%b7-%d0%be%d0%bf%d0%b5%d1%80%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%bd%d0%be%d0%b9-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d1%8b-dragonfly-bsd-6-2"},"modified":"2022-01-11T03:36:41","modified_gmt":"2022-01-11T01:36:41","slug":"reliz-operaczionnoj-sistemy-dragonfly-bsd-6-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/reliz-operaczionnoj-sistemy-dragonfly-bsd-6-2","title":{"rendered":"Udgivelsen af operativsystemet DragonFly BSD 6.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Efter syv m\u00e5neders udvikling er DragonFlyBSD 6.2, et operativsystem med en hybridkerne, der blev oprettet i 2003 med henblik p\u00e5 alternativ udvikling af FreeBSD 4.x-grenen, nu udgivet. Blandt de s\u00e6rlige funktioner ved DragonFly BSD kan n\u00e6vnes det distribuerede versionskontrolsystem HAMMER, underst\u00f8ttelse af indl\u00e6sning af \"virtuelle\" kerner som brugerprocesser, muligheden for at cache data og metadata p\u00e5 SSD-drev, kontekstdifferencerende symboliske links, mulighed for at fryse processer og gemme deres tilstand p\u00e5 disken samt en hybridkerne, der bruger letv\u00e6gts-tr\u00e5de (LWKT).       <\/p>\n<p>De vigtigste forbedringer i DragonFlyBSD 6.2:   <\/p>\n<ul>\n<li class=\"l\"> Hypervisoren NVMM, der underst\u00f8tter hardwarevirtualiseringsmekanismer SVM for AMD CPU'er og VMX for Intel CPU'er, er blevet overf\u00f8rt fra NetBSD. I NVMM udf\u00f8res kun det minimalt n\u00f8dvendige s\u00e6t af indpakninger omkring hardwarevirtualiseringsmekanismerne p\u00e5 kerne-niveau, mens al kode til hardwareemulering k\u00f8rer i brugerrummet. Til opgaver som oprettelse  <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/vps\/\"   title=\"virtual machines\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2085\">virtual machines<\/a>, tildeling af hukommelse og distribution af VCPU anvendes v\u00e6rkt\u00f8jer baseret p\u00e5 libnvmm-biblioteket, og til opstart af g\u00e6stesystemer anvendes pakken qemu-nvmm.\n<li class=\"l\"> Arbejdet med filsystemet HAMMER2 er fortsat, som er bem\u00e6rkelsesv\u00e6rdigt for funktioner som seperat montering af snapshots, writeable snapshots, kvoter p\u00e5 niveau med mapper, inkrementel spejling, underst\u00f8ttelse af forskellige komprimeringsalgoritmer samt multi-master spejling med distribution af data p\u00e5 flere v\u00e6rter. I den nye version er der implementeret st\u00f8tte til kommandoen growfs, der g\u00f8r det muligt at \u00e6ndre st\u00f8rrelsen p\u00e5 en eksisterende HAMMER2-partition. Den eksperimentelle st\u00f8tte til komponenten xdisk er inkluderet, hvilket muligg\u00f8r montering af HAMMER2-partitioner fra fjerntliggende systemer.\n<li class=\"l\"> DRM (Direct Rendering Manager) komponenterne, TTM video memory manager og amdgpu driveren er synkroniseret med Linux-kernen 4.19, hvilket har gjort det muligt at st\u00f8tte AMD-chips op til APU 3400G. Driveren drm\/i915 til Intel GPU'er er blevet opdateret med st\u00f8tte til GPU Whiskey Lake og et problem med crashes ved opstart er blevet l\u00f8st. Radeon-driveren er blevet flyttet til at bruge TTM videomemory manager.\n<li class=\"l\"> I poll-funktionen er der implementeret st\u00f8tte for POLLHUP-begivenheden, som returneres ved lukning af den anden ende af et unavngivet r\u00f8r eller FIFO.\n<li class=\"l\"> Kernerne har betydeligt forbedrede algoritmer til h\u00e5ndtering af hukommelsessider, hvilket \u00f8ger effektiviteten ved valg af sider til at flytte til swap-omr\u00e5det, og der er opn\u00e5et betydelige forbedringer i ydelsen af ressourcekr\u00e6vende applikationer som browsere p\u00e5 systemer med begr\u00e6nset hukommelse.\n<li class=\"l\"> Beregningsmetoden for maxvnodes er \u00e6ndret for at reducere hukommelsesforbruget fra kernen, da caching af for mange vnodes kan neds\u00e6tte effektiviteten, is\u00e6r hvis datablokke ogs\u00e5 caches p\u00e5 blokenhedsniveau.\n<li class=\"l\"> Fstyp-v\u00e6rkt\u00f8jet har f\u00e5et tilf\u00f8jet support for filsystemet BeFS. Support for FAT-filsystemet er blevet overf\u00f8rt fra FreeBSD's makefs. Ydelsen af fsck- og fdisk-v\u00e6rkt\u00f8jerne er forbedret. Fejl i koden for ext2fs og msdosfs er blevet rettet.\n<li class=\"l\"> Ioctl SIOCGHWADDR er blevet tilf\u00f8jet for at hente hardwareadressen for netv\u00e6rksgr\u00e6nsefladen.\n<li class=\"l\"> I ipfw3nat er der tilf\u00f8jet NAT-support for ICMP-pakker, implementeret gennem genbrug af icmp idport.\n<li class=\"l\"> I driveren ichsmb er der tilf\u00f8jet support for Intel ICH SMBus-controllere til Cannonlake, Cometlake, Tigerlake og Geminilake-chips.\n<li class=\"l\"> Genereringen af initrd-filer er blevet overf\u00f8rt fra brugen af vn til makefs.\n<li class=\"l\"> Den standardbibliotek libc har f\u00e5et tilf\u00f8jet funktionerne getentropy(), clearenv() og mkdirat(). Kompatibiliteten af implementeringen af shm_open() og \/var\/run\/shm er blevet forbedret med hensyn til andre systemer. Platformsspecifikke typer __double_t og __float_t er blevet tilf\u00f8jet. Funktionen relateret til kryptering er blevet returneret i libdmsg. Ydelsen af pthreads er blevet forbedret.\n<li class=\"l\"> I v\u00e6rkt\u00f8jet dsynth, der er beregnet til lokal bygning og vedligeholdelse af bin\u00e6re DPort-repositorier, er der tilf\u00f8jet en option \"-M\" og variablen PKG_COMPRESSION_FORMAT. Der er blevet sikret support for pakkeh\u00e5ndtereren pkg 1.17 og anden version af pkg-metadata.\n<li class=\"l\"> Importeret er OpenPAM Tabebuia PAM-biblioteket, passwdqc 2.0.2 password-checking-v\u00e6rkt\u00f8jet, mandoc 1.14.6-pakkerne, OpenSSH 8.8p1, dhcpcd 9.4.1 og file 5.40.\n<li class=\"l\"> En lokalt udnyttelig s\u00e5rbarhed i kernen, der gjorde det muligt for brugeren at h\u00e6ve sine privilegier i systemet, er blevet rettet (CVE oplyses ikke).\n<li class=\"l\"> Driveren ndis, som tillod brug af bin\u00e6re NDIS-drivere fra Windows, er blevet fjernet.\n<li class=\"l\"> Supporten for a.out eksekverbare filformater er blevet stoppet.      <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56485\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0441\u0435\u043c\u0438 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\u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u043e\u043d\u043d\u0443\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 HAMMER, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 &#171;\u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445&#187; \u044f\u0434\u0435\u0440 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043a\u0430\u043a \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u043c\u0435\u0442\u0430-\u0434\u0430\u043d\u043d\u044b\u0445 \u0424\u0421 \u043d\u0430 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044f\u0445, \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u044e\u0449\u0438\u0435 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043d\u044b\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u0438\u0447\u0435\u0441\u043a\u0438\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-102938","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0441\u0435\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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