{"id":38614,"date":"2019-10-31T22:24:52","date_gmt":"2019-10-31T19:24:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/gnome-adaptirovan-dlya-upravleniya-cherez-systemd\/"},"modified":"2019-10-31T22:24:52","modified_gmt":"2019-10-31T19:24:52","slug":"gnome-adaptirovan-dlya-upravleniya-cherez-systemd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/gnome-adaptirovan-dlya-upravleniya-cherez-systemd","title":{"rendered":"GNOME dostosowano do zarz\u0105dzania przez systemd","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Benjamin Berg (<noindex><a rel=\"nofollow\" href=\"https:\/\/benjamin.sipsolutions.net\/\">Benjamin Berg<\/a><\/noindex>), jeden z in\u017cynier\u00f3w Red Hat, zajmuj\u0105cy si\u0119 rozwojem GNOME, <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.gnome.org\/benzea\/2019\/10\/01\/gnome-3-34-is-now-managed-using-systemd\/\">podsumowa\u0142<\/a><\/noindex> wyniki prac nad przeniesieniem GNOME na zarz\u0105dzanie sesjami wy\u0142\u0105cznie za pomoc\u0105 systemd, bez u\u017cycia procesu gnome-session. <\/p>\n<p>Do zarz\u0105dzania logowaniem w GNOME od d\u0142u\u017cszego czasu u\u017cywa si\u0119 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.freedesktop.org\/wiki\/Software\/systemd\/logind\/\">systemd-logind<\/a><\/noindex>, kt\u00f3ry \u015bledzi stany sesji zwi\u0105zanych z u\u017cytkownikami, zarz\u0105dza identyfikatorami sesji, odpowiada za prze\u0142\u0105czanie mi\u0119dzy aktywnymi sesjami, koordynuje \u015brodowiska wielodost\u0119powe (Multi-seat), ustala zasady dost\u0119pu do urz\u0105dze\u0144, zapewnia narz\u0119dzia do zamykania systemu i przechodzenia w tryb u\u015bpienia itd. <\/p>\n<p>Cz\u0119\u015b\u0107 funkcji zwi\u0105zanych z sesjami pozosta\u0142a jednak na barkach procesu gnome-session, kt\u00f3ry obs\u0142ugiwa\u0142 zarz\u0105dzanie przez D-Bus, uruchamianie mened\u017cera wy\u015bwietlania oraz komponent\u00f3w GNOME, a tak\u017ce organizacj\u0119 autostartu aplikacji wskazanych przez u\u017cytkownika. W trakcie opracowywania GNOME 3.34 funkcje specyficzne dla gnome-session zosta\u0142y przekszta\u0142cone w pliki unit dla systemd, wykonywane w trybie \u201esystemd --user\u201d, tzn. zwi\u0105zane z otoczeniem konkretnego u\u017cytkownika, a nie ca\u0142ego systemu. Zmiany ju\u017c zosta\u0142y wprowadzone w dystrybucji Fedora 31, kt\u00f3rej wydanie planowane jest na koniec pa\u017adziernika.<\/p>\n<p>Zastosowanie systemd umo\u017cliwi\u0142o organizacj\u0119 uruchamiania handler\u00f3w na \u017c\u0105danie lub przy wyst\u0105pieniu okre\u015blonych wydarze\u0144, a tak\u017ce bardziej wyrafinowan\u0105 reakcj\u0119 na przedwczesne zako\u0144czenia proces\u00f3w z powodu awarii oraz rozszerzone zarz\u0105dzanie zale\u017cno\u015bciami przy uruchamianiu komponent\u00f3w GNOME. W rezultacie mo\u017cliwe jest zmniejszenie liczby ci\u0105gle dzia\u0142aj\u0105cych proces\u00f3w i obni\u017cenie zu\u017cycia pami\u0119ci. Na przyk\u0142ad, XWayland mo\u017cna teraz uruchamia\u0107 tylko w momencie pr\u00f3by uruchomienia aplikacji opartych na protokole X11, a komponenty specyficzne dla konkretnego sprz\u0119tu tylko w przypadku obecno\u015bci takiego sprz\u0119tu (na przyk\u0142ad, handler\u00f3w dla kart smart, kt\u00f3re b\u0119d\u0105 uruchamiane w momencie w\u0142o\u017cenia karty i zako\u0144cz\u0105 dzia\u0142anie po jej wyj\u0119ciu).  <\/p>\n<p>U\u017cytkownicy zyskali bardziej elastyczne narz\u0119dzia do zarz\u0105dzania uruchamianiem us\u0142ug, na przyk\u0142ad do wy\u0142\u0105czenia obs\u0142ugi klawiszy multimedialnych wystarczy wykona\u0107 \u201esystemctl --user stop gsd-media-keys.target\u201d. W przypadku problem\u00f3w zwi\u0105zanych z danym handlerem logi mo\u017cna sprawdzi\u0107 poleceniem journalctl (na przyk\u0142ad \u201ejournalctl --user -u gsd-media-keys.service\u201d), wcze\u015bniej w\u0142\u0105czaj\u0105c w us\u0142udze prowadzenie log\u00f3w debugowych (\u201eEnvironment=G_MESSAGES_DEBUG=all\u201d). Ponadto pojawi\u0142a si\u0119 mo\u017cliwo\u015b\u0107 uruchamiania wszystkich komponent\u00f3w GNOME w izolowanych \u015brodowiskach sandbox, kt\u00f3re maj\u0105 wysokie wymagania dotycz\u0105ce bezpiecze\u0144stwa. <\/p>\n<p>Aby u\u0142atwi\u0107 przej\u015bcie, wsparcie dla starego sposobu uruchamiania proces\u00f3w <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Initiatives\/SystemdUser\">jest planowany<\/a><\/noindex> zosta\u0107 zachowane przez kilka cykli rozwoju GNOME. Nast\u0119pnie deweloperzy przeprowadz\u0105 przegl\u0105d stanu gnome-session i prawdopodobnie (oznaczone jako \u201eprawdopodobne\u201d) usun\u0105 z niego \u015brodki do uruchamiania proces\u00f3w i obs\u0142ugi D-Bus API. Nast\u0119pnie u\u017cycie \u201esystemd --user\u201d stanie si\u0119 obowi\u0105zkow\u0105 funkcj\u0105, co mo\u017ce stworzy\u0107 trudno\u015bci dla system\u00f3w bez systemd i b\u0119dzie wymaga\u0107 przygotowania alternatywnego rozwi\u0105zania, jak to mia\u0142o miejsce w przesz\u0142o\u015bci. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=42079\">systemd-logind<\/a><\/noindex>. Niemniej jednak, w swoim wyst\u0105pieniu na konferencji GUADEC 2019, Benjamin Berg wspomnia\u0142 o zamiarze zachowania wsparcia dla starej metody uruchamiania w systemach bez systemd, ale ta informacja jest sprzeczna z planami na <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Initiatives\/SystemdUser\">Cz\u0119\u015b\u0107 2: laboratoria<\/a><\/noindex>. <\/p>\n<p><center><div class=\"youtube-placeholder\" data-id=\"pdwi3NWAW7I\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/pdwi3NWAW7I\/hqdefault.jpg\" alt=\"Odtwarzaj wideo\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51601\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0411\u0435\u043d\u0434\u0436\u0430\u043c\u0438\u043d \u0411\u0435\u0440\u0433 (Benjamin Berg), \u043e\u0434\u0438\u043d \u0438\u0437 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u043e\u0432 Red Hat, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 GNOME, \u043e\u0431\u043e\u0431\u0449\u0438\u043b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0443 GNOME \u043d\u0430 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0435\u0430\u043d\u0441\u0430\u043c\u0438 \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 systemd, \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 gnome-session. \u0414\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u0445\u043e\u0434\u043e\u043c \u0432 GNOME \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0434\u0430\u0432\u043d\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f systemd-logind, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0435\u0442 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u0441\u0435\u0430\u043d\u0441\u043e\u0432 \u0432 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0435 \u043a \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e, \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u0430\u043c\u0438 \u0441\u0435\u0430\u043d\u0441\u043e\u0432, \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0437\u0430 \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u043c\u0438 \u0441\u0435\u0430\u043d\u0441\u0430\u043c\u0438, [&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-38614","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=\"\u0411\u0435\u043d\u0434\u0436\u0430\u043c\u0438\u043d \u0411\u0435\u0440\u0433 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