{"id":74853,"date":"2020-03-21T08:42:40","date_gmt":"2020-03-21T05:42:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra"},"modified":"2020-03-21T08:42:40","modified_gmt":"2020-03-21T05:42:40","slug":"linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/administrirovanie\/linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra","title":{"rendered":"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Premiera j\u0105dra Linux 5.6 zaplanowana jest na koniec marca. W dzisiejszym materiale omawiamy nadchodz\u0105ce zmiany \u2014 nowy system plik\u00f3w, protok\u00f3\u0142 WireGuard oraz aktualizacje sterownik\u00f3w.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/1cloud\/blog\/493058\/\"><img decoding=\"async\" alt=\"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra\" src=\"\/wp-content\/uploads\/2020\/03\/ef44ca6480f299f2d90386db99353037.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<i>Zdj\u0119cie \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/photos\/xqeWJEHajkA\">lucas huffman<\/a><\/noindex> Czym tak naprawd\u0119 jest problem<\/i><\/p>\n<h2>Wyczekiwany protok\u00f3\u0142 VPN<\/h2>\n<p>\nDavid Miller, odpowiedzialny za podsystem sieciowy Linuksa, postanowi\u0142 <noindex><a rel=\"nofollow\" href=\"https:\/\/itsfoss.com\/linux-kernel-5-6\/\">w\u0142\u0105czy\u0107<\/a><\/noindex> w\u0142\u0105czy\u0107 do j\u0105dra WireGuard. Jest to tunel VPN zaprojektowany przez firm\u0119 Edge Security. Pomys\u0142 <noindex><a rel=\"nofollow\" href=\"https:\/\/marc.info\/?l=linux-netdev&amp;m=153306429108040&amp;w=2\">dyskutowali\u015bmy<\/a><\/noindex> pojawi\u0142 si\u0119 jeszcze dwa lata temu \u2014 wtedy to <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.openwall.net\/netdev\/2018\/08\/02\/124\">wspar\u0142<\/a><\/noindex> sam Linus Torvalds \u2014 jednak realizacja zosta\u0142a od\u0142o\u017cona. Projekt by\u0142 mocno zwi\u0105zany z funkcjami kryptograficznymi Edge Security. Ale p\u00f3\u0142 roku temu autorzy nowego protoko\u0142u doszli do kompromisu i <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.zx2c4.com\/pipermail\/wireguard\/2019-September\/004560.html\">prze\u0142\u0105czyli si\u0119<\/a><\/noindex> na wspierany przez j\u0105dro Crypto API.<\/p>\n<blockquote><p>Tak <noindex><a rel=\"nofollow\" href=\"https:\/\/itsfoss.com\/linux-kernel-5-6\/\">opinia<\/a><\/noindex>, co w przysz\u0142o\u015bci pozwoli WireGuard zast\u0105pi\u0107 OpenVPN. Zgodnie z <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wireguard.com\/performance\/\">test\u00f3w<\/a><\/noindex>, przepustowo\u015b\u0107 nowego protoko\u0142u jest cztery razy wy\u017csza ni\u017c w przypadku OpenVPN: 1011 Mbit\/s w por\u00f3wnaniu do 258 Mbit\/s. Nale\u017cy jednak zauwa\u017cy\u0107, \u017ce przej\u015bcie na standardowy Crypto API mo\u017ce pogorszy\u0107 wyniki.<\/p><\/blockquote>\n<p>\nKolejn\u0105 cech\u0105 WireGuard jest to, \u017ce <noindex><a rel=\"nofollow\" href=\"https:\/\/www.xda-developers.com\/wireguard-vpn-project-support-android-roms\/\">nie przerywa po\u0142\u0105czenia<\/a><\/noindex>, nawet gdy u\u017cytkownik otrzyma nowy adres IP, i samodzielnie podejmuje decyzje dotycz\u0105ce routingu. W tym celu ka\u017cdemu interfejsowi sieciowemu przypisywany jest klucz prywatny. Jest on generowany za pomoc\u0105 <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9F%D1%80%D0%BE%D1%82%D0%BE%D0%BA%D0%BE%D0%BB_%D0%94%D0%B8%D1%84%D1%84%D0%B8_%E2%80%94_%D0%A5%D0%B5%D0%BB%D0%BB%D0%BC%D0%B0%D0%BD%D0%B0\">protok\u00f3\u0142u Diffiego-Hellmana<\/a><\/noindex>. Samo szyfrowanie <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wireguard.com\/protocol\/\">zbudowane<\/a><\/noindex> opiera si\u0119 na ChaCha20 oraz algorytmie <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Poly1305\">Poly1305<\/a><\/noindex>. Uwa\u017cane s\u0105 za ulepszone odpowiedniki AES-256-CTR oraz <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/HMAC\">HMAC<\/a><\/noindex>.<\/p>\n<h2>Nowy system plik\u00f3w<\/h2>\n<p>\nTen system <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=Zonefs-Proposed-Linux-5.6\">sta\u0142a si\u0119<\/a><\/noindex> Zonefs, zaprezentowany przez in\u017cynier\u00f3w Western Digital. Jest przeznaczony do pracy z zoniowanymi urz\u0105dzeniami pami\u0119ci (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.zonedstorage.io\/\">zoned storage<\/a><\/noindex>). S\u0105 to dyski blokowe, kt\u00f3rych przestrze\u0144 adresowa podzielona jest na strefy (na przyk\u0142ad NVMe SSD). System plik\u00f3w pozwala traktowa\u0107 ka\u017cd\u0105 stref\u0119 jako plik \u2014 to znaczy u\u017cywa\u0107 specjalnych API zamiast <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Ioctl\">ioctl<\/a><\/noindex> do interakcji ze SCN. Podobne podej\u015bcie zastosowano w bazach danych RocksDB i LevelDB. Daje to mo\u017cliwo\u015b\u0107 zredukowania koszt\u00f3w przenoszenia kodu, pierwotnie poprawionego do pracy z plikami.<\/p>\n<p>W Linuksie istnieje ju\u017c funkcja do interakcji z urz\u0105dzeniami blokowymi. W j\u0105drze wersji 4.13 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.zonedstorage.io\/introduction\/linux-support\/\">pojawi\u0142 si\u0119<\/a><\/noindex> modu\u0142 dm-zoned. Przedstawia on zoniowany no\u015bnik jako zwyk\u0142e urz\u0105dzenie blokowe, a Zonefs stanie si\u0119 alternatyw\u0105.<\/p>\n<p><img decoding=\"async\" alt=\"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra\" src=\"\/wp-content\/uploads\/2020\/03\/b7fd86ad67288f76c6d55578bd191ede.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Zdj\u0119cie \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/photos\/-_GsVJIH4fE\">Suzan Kir\u0161i\u0107<\/a><\/noindex> Czym tak naprawd\u0119 jest problem<\/i><\/p>\n<p>Opr\u00f3cz wprowadzenia nowego systemu plik\u00f3w, programi\u015bci j\u0105dra Linux wprowadzili zmiany w istniej\u0105cych. Dodano <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=F2FS-Compression-5.6-Landing\">dodano<\/a><\/noindex> mechanizmy kompresji <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Lempel%E2%80%93Ziv%E2%80%93Oberhumer\">LZO<\/a><\/noindex>\/<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/LZ4_(compression_algorithm)\">LZ4<\/a><\/noindex> dla F2FS \u2014 ich wsparcie pozostanie na razie eksperymentalne. B\u0119dzie to wymaga\u0142o r\u0119cznego w\u0142\u0105czenia podczas montowania partycji (opcja <i>algorytm_kompresji<\/i>). To tak\u017ce aktualizacja <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=EXT4-XFS-IO-uring-Linux-5.6\">otrzyma<\/a><\/noindex> EXT4 \u2014 jest zwi\u0105zany z operacjami bezpo\u015bredniego wej\u015bcia\/wyj\u015bcia. Pakiet aktualizacyjny przedstawi\u0142 in\u017cynier z IBM, Ritesh Harjan. Wed\u0142ug <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=EXT4-DIO-Faster-DBs\">jego s\u0142\u00f3w<\/a><\/noindex>, w niekt\u00f3rych przypadkach poprawka mo\u017ce poprawi\u0107 wydajno\u015b\u0107 systemu plik\u00f3w o 140%.<\/p>\n<h2>Aktualizacje sterownik\u00f3w<\/h2>\n<p>\nW j\u0105drze pojawi si\u0119 nowy sterownik <i>cpuidle_cooling<\/i>. Jego <noindex><a rel=\"nofollow\" href=\"https:\/\/git.kernel.org\/pub\/scm\/linux\/kernel\/git\/torvalds\/linux.git\/diff\/Documentation\/driver-api\/thermal\/cpu-idle-cooling.rst?id=0a1990a2d1f2217db20b30f915f48d9b8b976949\">zadanie<\/a><\/noindex> \u2014 ch\u0142odzenie CPU\/SoC, wbudowuj\u0105c cykle bezczynno\u015bci w trakcie dzia\u0142ania. W pewnym sensie przypomina to sterownik PowerClamp dla procesor\u00f3w Intel, jednak nie jest przypisany do konkretnej architektury. System <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=Linux-5.6-Generic-CPU-Cool-Idle\">wydali<\/a><\/noindex> specjali\u015bci z Linaro, kt\u00f3rzy zajmuj\u0105 si\u0119 optymalizacj\u0105 oprogramowania z otwartym kodem \u017ar\u00f3d\u0142owym dla platform ARM.<\/p>\n<p>R\u00f3wnie\u017c <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=Nouveau-Turing-Linux-5.6\">zostanie dodane<\/a><\/noindex> wsparcie dla kart graficznych serii GeForce 20 (TU10x). Odpowiedni sterownik opracowa\u0142 Ben Skeggs z projektu Nouveau. Niestety, GeForce 16 (TU11x) pozostan\u0105 \u201ena bocznym torze\u201d. Nvidia nie dostarczy\u0142a obraz\u00f3w oprogramowania uk\u0142adowego, niezb\u0119dnych do inicjalizacji karty. Nowe karty graficzne pod Linuksem mog\u0105 r\u00f3wnie\u017c mie\u0107 problemy z wydajno\u015bci\u0105 z powodu braku dynamicznego przetaktowania \u2014 automatycznego zarz\u0105dzania cz\u0119stotliwo\u015bci\u0105. W przesz\u0142o\u015bci ustalono, \u017ce sterowniki Nouveau <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/forums\/forum\/linux-graphics-x-org-drivers\/open-source-nvidia-linux-nouveau\/33776-nouveau-driver-remains-much-slower-than-nvidia-s-official-driver?p=397898#post397898\">mog\u0105 funkcjonowa\u0107<\/a><\/noindex> 20\u201330% wolniej ni\u017c oryginalne.<\/p>\n<p><img decoding=\"async\" alt=\"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra\" src=\"\/wp-content\/uploads\/2020\/03\/506f8312cb8bb6e63adbcd674b6b2c28.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Zdj\u0119cie \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/photos\/Ku0883_deww\">Andrew Abbate<\/a><\/noindex> Czym tak naprawd\u0119 jest problem<\/i><\/p>\n<p>Nowe j\u0105dro <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=USB4-Hits-Linux-5.6\">b\u0119dzie wspiera\u0107<\/a><\/noindex> USB4. Odpowiednie zmiany <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=USB4-In-Linux-5.6\">zapropnowano<\/a><\/noindex> in\u017cynierowie z Intela. Zmodyfikowali istniej\u0105c\u0105 baz\u0119 kodow\u0105 zwi\u0105zan\u0105 z Thunderbolt \u2014 to oko\u0142o dw\u00f3ch tysi\u0119cy linii.<\/p>\n<p>Oczywi\u015bcie, to nie wszystkie aktualizacje, kt\u00f3re trafi\u0105 do j\u0105dra \u2014 na przyk\u0142ad <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=article&amp;item=linux-56-features&amp;num=2\">mo\u017cna oczekiwa\u0107<\/a><\/noindex> wsparcia dla dodatkowych urz\u0105dze\u0144 peryferyjnych i sieciowych. Kernel 5.6 b\u0119dzie tak\u017ce pierwszym 32-bitowym j\u0105drem, w kt\u00f3rym <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/scan.php?page=news_item&amp;px=Linux-5.6-32-bit-Past-Y2038\">zostanie rozwi\u0105zana<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9F%D1%80%D0%BE%D0%B1%D0%BB%D0%B5%D0%BC%D0%B0_2038_%D0%B3%D0%BE%D0%B4%D0%B0\">problem roku 2038<\/a><\/noindex>. Pod koniec stycznia in\u017cynierowie <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2020\/1\/29\/355?anz=web\">wprowadzili<\/a><\/noindex> ostateczne zmiany w nfsd, xfs, alsa i v4l2. Maj\u0105 nadziej\u0119, \u017ce w osiemna\u015bcie pozosta\u0142ych lat u\u017cytkownicy i deweloperzy dystrybucji zd\u0105\u017c\u0105 przej\u015b\u0107 na kernel 5.6 (lub jego kolejne wersje).<\/p>\n<blockquote><p><b>Materia\u0142y na ten temat z korporacyjnego bloga 1cloud.ru:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra\" src=\"\/wp-content\/uploads\/2020\/03\/cd7098750451bf2ecc256bb7e388bb52.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/1cloud.ru\/blog\/superkomputer-na-linux?utm_source=habrahabr&amp;utm_medium=cpm&amp;utm_campaign=kernel56&amp;utm_content=blog\">Wi\u0119kszo\u015b\u0107 superkomputer\u00f3w dzia\u0142a pod kontrol\u0105 systemu Linux \u2014 omawiamy sytuacj\u0119<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra\" src=\"\/wp-content\/uploads\/2020\/03\/da8cd0571f38cb09ef24dd456ce97661.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/1cloud.ru\/blog\/linux-server-security-advices?utm_source=habrahabr&amp;utm_medium=cpm&amp;utm_campaign=kernel56&amp;utm_content=blog\">Jak zabezpieczy\u0107 system Linux: 10 wskaz\u00f3wek<\/a><\/noindex><\/p>\n<p><b>O czym piszemy na Habrze:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra\" src=\"\/wp-content\/uploads\/2020\/03\/5579f2ad8a27ee269d6c26e4a6b2f59a.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/1cloud\/blog\/491590\/\">Analizujemy zalecenia dotycz\u0105ce ochrony danych osobowych i bezpiecze\u0144stwa \u2014 na co warto zwr\u00f3ci\u0107 uwag\u0119<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra\" src=\"\/wp-content\/uploads\/2020\/03\/0d9707395a8bb8cf3713780e938cdae4.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/1cloud\/blog\/492966\/\">Po raz pierwszy teleportowano foton z jednego chipu na drugi<\/a><\/noindex><br \/>\n<img decoding=\"async\" alt=\"J\u0105dro Linux 5.6 \u2014 czego oczekiwa\u0107 w nowej wersji j\u0105dra\" src=\"\/wp-content\/uploads\/2020\/03\/0fc5e0583ca26b2973b9767214f6b340.jpg\" style=\"display:block;margin: 0 auto;\" \/> <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/1cloud\/blog\/492386\/\">Jak sektor IT pomaga \u015bwiatu wyrzuca\u0107 mniej jedzenia<\/a><\/noindex><\/p><\/blockquote>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/1cloud\/blog\/493058\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u044b\u0445\u043e\u0434 Linux kernel 5.6 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 \u043a\u043e\u043d\u0435\u0446 \u043c\u0430\u0440\u0442\u0430. \u0412 \u043d\u0430\u0448\u0435\u043c \u0441\u0435\u0433\u043e\u0434\u043d\u044f\u0448\u043d\u0435\u043c \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0435 \u043e\u0431\u0441\u0443\u0436\u0434\u0430\u0435\u043c \u0433\u0440\u044f\u0434\u0443\u0449\u0438\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u2014 \u043d\u043e\u0432\u0443\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443, \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b WireGuard \u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432. \u0424\u043e\u0442\u043e \u2014 lucas huffman \u2014 Unsplash \u0414\u043e\u043b\u0433\u043e\u0436\u0434\u0430\u043d\u043d\u044b\u0439 VPN-\u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u0414\u044d\u0432\u0438\u0434 \u041c\u0438\u043b\u043b\u0435\u0440 (David Miller), \u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u0437\u0430 \u0441\u0435\u0442\u0435\u0432\u0443\u044e \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0443 Linux, \u0440\u0435\u0448\u0438\u043b \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 WireGuard. \u042d\u0442\u043e \u2014 VPN-\u0442\u0443\u043d\u043d\u0435\u043b\u044c, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u0432 \u0418\u0411-\u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Edge Security. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":74854,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-74853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u044b\u0445\u043e\u0434 Linux kernel 5.6 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 \u043a\u043e\u043d\u0435\u0446 \u043c\u0430\u0440\u0442\u0430.\" \/>\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\/pl\/blog\/administrirovanie\/linux-kernel-5-6-chto-zhdat-v-novoj-versii-yadra\" \/>\n\t<meta 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