{"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\/lv\/blog\/news\/gnome-adaptirovan-dlya-upravleniya-cherez-systemd","title":{"rendered":"GNOME ir piel\u0101gots p\u0101rvald\u012bbai caur systemd.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bend\u017eamins Bergs (Benjamin Berg<\/a><\/noindex>), viens no Red Hat in\u017eenieriem, kur\u0161 str\u0101d\u0101 pie GNOME izstr\u0101des, apkopoja<\/a><\/noindex> rezult\u0101ti, kas ieg\u016bti, p\u0101rv\u0113r\u0161ot GNOME sesiju p\u0101rvald\u012bbu, izmantojot tikai systemd, bez gnome-session procesa izmanto\u0161anas. <\/p>\n

Lai p\u0101rvald\u012btu piek\u013cuvi GNOME, jau ilgu laiku tiek izmantots systemd-logind<\/a><\/noindex>, kas izseko sesiju st\u0101voklim, kas saist\u012bts ar lietot\u0101ju, p\u0101rvalda sesiju identifikatorus, atbild par p\u0101rl\u0113k\u0161anu starp akt\u012bvaj\u0101m sesij\u0101m, koordin\u0113 vair\u0101ku lietot\u0101ju vidi (Multi-seat), iestata ier\u012b\u010du piek\u013cuves politiku, nodro\u0161ina l\u012bdzek\u013cus izsl\u0113g\u0161anai un miega re\u017e\u012bmam utt. <\/p>\n

Taj\u0101 pa\u0161\u0101 laik\u0101 da\u013ca funkcionalit\u0101tes, kas saist\u012bta ar sesij\u0101m, palika gnome-session procesa zi\u0146\u0101, kas nodarboj\u0101s ar p\u0101rvald\u012bbu caur D-Bus, displeja p\u0101rvaldnieka palai\u0161anu un GNOME komponentiem, k\u0101 ar\u012b lietot\u0101ja nor\u0101d\u012bto lietojumprogrammu autom\u0101tisku palai\u0161anu. GNOME 3.34 izstr\u0101des proces\u0101 gnome-session specifisk\u0101s iesp\u0113jas tika organiz\u0113tas k\u0101 unit-faili systemd, kas tiek izpild\u012bti ar re\u017e\u012bmu \u00absystemd \u2014user\u00bb, t.i., konkr\u0113t\u0101 lietot\u0101ja vid\u0113, nevis visai sist\u0113mai. Izmai\u0146as jau ir \u012bstenotas Fedora 31 distrib\u016bcij\u0101, kuras izn\u0101k\u0161ana tiek gaid\u012bta oktobra beig\u0101s.<\/p>\n

Systemd izmanto\u0161ana \u013c\u0101va organiz\u0113t apstr\u0101d\u0101t\u0101ju palai\u0161anu p\u0113c piepras\u012bjuma vai noteiktu notikumu iest\u0101\u0161an\u0101s br\u012bd\u012b, k\u0101 ar\u012b izsmalcin\u0101t\u0101k rea\u0123\u0113t uz procesu priek\u0161laic\u012bgu pabeig\u0161anu k\u013c\u016bdu d\u0113\u013c un pla\u0161i apstr\u0101d\u0101t atkar\u012bbas komponentu palai\u0161an\u0101 GNOME. T\u0101d\u0113j\u0101di var samazin\u0101t past\u0101v\u012bgi palaisto procesoru skaitu un samazin\u0101t atmi\u0146as pat\u0113ri\u0146u. Piem\u0113ram, XWayland tagad var palaist tikai tad, kad tiek m\u0113\u0123in\u0101ts izpild\u012bt lietojumprogrammu, kas balst\u012bta uz X11 protokolu, bet specifisk\u0101s aparat\u016bras komponentes \u2013 tikai tad, ja t\u0101da aparat\u016bra ir kl\u0101t (piem\u0113ram, viedkartes apstr\u0101d\u0101t\u0101ji tiks palaisti, kad karte tiek ievietota un pabeigti, kad t\u0101 tiek iz\u0146emta). <\/p>\n

Lietot\u0101jiem ir pieejami elast\u012bg\u0101ki r\u012bki servisu palai\u0161anas p\u0101rvald\u012bbai, piem\u0113ram, lai atsp\u0113jotu multimediju tausti\u0146u apstr\u0101d\u0101t\u0101ju, pietiek veikt \u00absystemctl \u2014user stop gsd-media-keys.target\u00bb. Ja rodas probl\u0113mas, kas saist\u012btas ar katru apstr\u0101d\u0101t\u0101ju, \u017eurn\u0101lu var p\u0101rskat\u012bt ar komandu journalctl (piem\u0113ram, \u00abjournalctl \u2014user -u gsd-media-keys.service\u00bb), pirms tam aktiviz\u0113jot debug \u017eurn\u0101la saglab\u0101\u0161anu (\u012bpa\u0161\u012bba \u00abEnvironment=G_MESSAGES_DEBUG=all\u00bb). T\u0101pat ir iesp\u0113jams palaist visus GNOME komponentus izol\u0113t\u0101s sandbox vid\u0113s ar paaugstin\u0101t\u0101m dro\u0161\u012bbas pras\u012bb\u0101m. <\/p>\n

Lai mazin\u0101tu p\u0101reju, atbalsts vecajam veidam, k\u0101 palaist procesus pl\u0101nots<\/a><\/noindex> saglab\u0101t vair\u0101ku GNOME izstr\u0101des ciklu laik\u0101. P\u0113c tam izstr\u0101d\u0101t\u0101ji veiks gnome-session st\u0101vok\u013ca p\u0101rskat\u012b\u0161anu un, visticam\u0101k (atz\u012bm\u0113ts k\u0101 \u00ablikely\u00bb), no t\u0101 iz\u0146ems procesu palai\u0161anas un D-Bus API atbalsta l\u012bdzek\u013cus. Tad \u00absystemd \u2014user\u00bb izmanto\u0161ana tiks p\u0101rv\u0113rsta par oblig\u0101tu funkcionalit\u0101ti, kas var rad\u012bt gr\u016bt\u012bbas sist\u0113m\u0101m bez systemd un pras\u012bs alternat\u012bva risin\u0101juma sagatavo\u0161anu, k\u0101 tas bija iepriek\u0161. systemd-logind<\/a><\/noindex>. Tom\u0113r sav\u0101 uzrun\u0101 GUADEC 2019 konferenc\u0113 Benjamins Bergs piemin\u0113ja nodomu saglab\u0101t atbalstu vecajam palai\u0161anas metodam sist\u0113m\u0101m bez systemd, bet \u0161\u012b inform\u0101cija nesakr\u012bt ar pl\u0101niem par projekta lapu<\/a><\/noindex>. <\/p>\n

\r\n \"Atska\u0146ot\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Avots: opennet.lv<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 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