{"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\/it\/blog\/news\/gnome-adaptirovan-dlya-upravleniya-cherez-systemd","title":{"rendered":"GNOME adattato per la gestione tramite 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>), uno degli ingegneri di Red Hat che si occupa dello sviluppo di GNOME, <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.gnome.org\/benzea\/2019\/10\/01\/gnome-3-34-is-now-managed-using-systemd\/\">riassunto<\/a><\/noindex> i risultati del lavoro di traduzione di GNOME per la gestione delle sessioni esclusivamente tramite systemd, senza l'uso del processo gnome-session. <\/p>\n<p>Per gestire l'accesso a GNOME si utilizza gi\u00e0 da tempo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.freedesktop.org\/wiki\/Software\/systemd\/logind\/\">systemd-logind<\/a><\/noindex>, che tiene traccia degli stati delle sessioni legati all'utente, gestisce gli identificatori delle sessioni, risponde al cambio tra sessioni attive, coordina ambienti multiutente (Multi-seat), imposta politiche di accesso ai dispositivi, fornisce strumenti per lo spegnimento e la sospensione, e cos\u00ec via. <\/p>\n<p>Nel frattempo, parte della funzionalit\u00e0 relativa alle sessioni \u00e8 rimasta sulle spalle del processo gnome-session, il quale si occupava della gestione via D-Bus, dell'avvio del gestore di produzione e dei componenti GNOME, e dell'organizzazione dell'avvio automatico delle applicazioni specificate dall'utente. Durante lo sviluppo di GNOME 3.34, le funzionalit\u00e0 specifiche per gnome-session sono state definite sotto forma di file unit per systemd, eseguiti in modalit\u00e0 'systemd --user', ovvero legati all'ambiente di un singolo utente piuttosto che all'intero sistema. Le modifiche sono gi\u00e0 state applicate nella distribuzione Fedora 31, la cui uscita \u00e8 prevista per la fine di ottobre.<\/p>\n<p>L'uso di systemd ha permesso di organizzare l'avvio dei gestori a richiesta o in seguito a determinati eventi, nonch\u00e9 di rispondere in modo pi\u00f9 sofisticato alle chiusure premature dei processi dovute a guasti e di gestire in modo pi\u00f9 esteso le dipendenze durante l'avvio dei componenti GNOME. Di conseguenza, si pu\u00f2 ridurre il numero di processi sempre in esecuzione e diminuire il consumo di memoria. Ad esempio, XWayland pu\u00f2 ora essere avviato solo quando si tenta di eseguire un'applicazione basata sul protocollo X11, e i componenti specifici per determinate apparecchiature vengono avviati solo quando tali apparecchiature sono presenti (ad esempio, i gestori per le smart card verranno avviati all'inserimento della carta e terminati all'estrazione).  <\/p>\n<p>Per gli utenti sono stati introdotti strumenti pi\u00f9 flessibili per la gestione dell'avvio dei servizi; ad esempio, per disabilitare il gestore delle chiavi multimediali, basta eseguire 'systemctl --user stop gsd-media-keys.target'. In caso di problemi, i log relativi a ciascun gestore possono essere consultati con il comando journalctl (ad esempio, 'journalctl --user -u gsd-media-keys.service'), dopo aver abilitato la registrazione in modalit\u00e0 debug nel servizio ('Environment=G_MESSAGES_DEBUG=all'). \u00c8 stata inoltre introdotta la possibilit\u00e0 di eseguire tutti i componenti GNOME in ambienti sandbox isolati, ai quali vengono applicati requisiti di sicurezza pi\u00f9 elevati. <\/p>\n<p>Per facilitare la transizione, il supporto al vecchio metodo di avvio dei processi <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Initiatives\/SystemdUser\">\u00e8 previsto<\/a><\/noindex> mantenere per diversi cicli di sviluppo di GNOME. Successivamente, gli sviluppatori effettueranno una revisione dello stato di gnome-session e probabilmente (segnalato come 'probabile') rimuoveranno i mezzi per l'avvio dei processi e la gestione delle API D-Bus. L'applicazione di 'systemd --user' sar\u00e0 quindi considerata una funzione obbligatoria, il che potrebbe creare difficolt\u00e0 per i sistemi privi di systemd e richiedere una soluzione alternativa, come avvenuto in passato. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=42079\">systemd-logind<\/a><\/noindex>. Tuttavia, nel suo intervento alla conferenza GUADEC 2019, Benjamin Berg ha menzionato l'intenzione di mantenere il supporto per il vecchio metodo di avvio per i sistemi senza systemd, ma questa informazione \u00e8 in contrasto con i piani per <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.gnome.org\/Initiatives\/SystemdUser\">pagina del progetto<\/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=\"Guarda il video\" 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>Fonte: <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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