{"id":116648,"date":"2024-06-19T18:06:00","date_gmt":"2024-06-19T16:06:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/polzovateli-systemd-stolknulis-s-problemoj-privodivshej-k-udaleniyu-domashnih-katalogov"},"modified":"2024-06-19T18:06:00","modified_gmt":"2024-06-19T16:06:00","slug":"polzovateli-systemd-stolknulis-s-problemoj-privodivshej-k-udaleniyu-domashnih-katalogov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/polzovateli-systemd-stolknulis-s-problemoj-privodivshej-k-udaleniyu-domashnih-katalogov","title":{"rendered":"U\u017eivatel\u00e9 systemd se setkali s probl\u00e9mem, kter\u00fd vedl k odstran\u011bn\u00ed dom\u00e1c\u00edch adres\u00e1\u0159\u016f.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Byl publikov\u00e1n opravn\u00fd vyd\u00e1n\u00ed syst\u00e9mov\u00e9ho spr\u00e1vce systemd 256.1, ve kter\u00e9m byla vy\u0159e\u0161ena chyba vedouc\u00ed k odstran\u011bn\u00ed obsahu slo\u017eky \/home p\u0159i prov\u00e1d\u011bn\u00ed p\u0159\u00edkazu «systemd-tmpfiles —purge», p\u0159idan\u00e9ho ve verzi systemd 256 pro odstran\u011bn\u00ed v\u0161ech soubor\u016f a adres\u00e1\u0159\u016f vytvo\u0159en\u00fdch prost\u0159ednictv\u00edm nastaven\u00ed v tmpfiles.d.<\/p>\n

V pozn\u00e1mce k vyd\u00e1n\u00ed systemd 256 a v manu\u00e1lu systemd-tmpfiles bylo uvedeno, \u017ee mo\u017enost «—purge» odstra\u0148uje v\u0161echny soubory a adres\u00e1\u0159e vytvo\u0159en\u00e9 prost\u0159ednictv\u00edm nastaven\u00ed tmpfiles.d, av\u0161ak n\u00e1zev «tmpfiles» v n\u00e1zvu utilitky mohl vyvolat klam a d\u00e1vat dojem, \u017ee odstran\u011bn\u00ed se t\u00fdk\u00e1 pouze do\u010dasn\u00fdch soubor\u016f.
\nNastaven\u00ed tmpfiles.d v\u0161ak neomezuje pouze na do\u010dasn\u00e9 soubory a tak\u00e9 se pou\u017e\u00edv\u00e1 k automatick\u00e9mu vytv\u00e1\u0159en\u00ed neexistuj\u00edc\u00edch adres\u00e1\u0159\u016f s daty. Zejm\u00e9na odstran\u011bn\u00ed obsahu dom\u00e1c\u00edch adres\u00e1\u0159\u016f je vysv\u011btleno t\u00edm, \u017ee pomoc\u00ed souboru «\\\/usr\\\/lib\\\/tmpfiles.d\\\/home.conf» byl vytvo\u0159en odd\u00edl «\\\/home» a t\u00edm p\u00e1dem p\u0159\u00edkaz «systemd-tmpfiles —purge» vedl k jeho odstran\u011bn\u00ed.<\/p>\n

P\u016fvodn\u011b byla chybov\u00e1 hl\u00e1\u0161en\u00ed odm\u00edtnuta Lukou Bokkasi (Luca Boccassi), v\u00fdvoj\u00e1\u0159em systemd z Microsoftu, n\u00e1sleduj\u00edc\u00edm zp\u016fsobem: «Tak\u017ee funkce, kter\u00e1 je doslovn\u011b zdokumentov\u00e1na jako «v\u0161echny soubory a adres\u00e1\u0159e vytvo\u0159en\u00e9 z\u00e1znamem tmpfiles.d\\\/ budou vymaz\u00e1ny», o kter\u00e9 jste nev\u011bd\u011bli, vypadala jako «dobr\u00fd n\u00e1pad»? \u0160li jste alespo\u0148 a pod\u00edvali se, jak\u00e9 z\u00e1znamy tmpfiles.d jste m\u011bli p\u0159edt\u00edm? Mo\u017en\u00e1 nen\u00ed dobr\u00e9 prost\u011b spou\u0161t\u011bt n\u00e1hodn\u00e9 p\u0159\u00edkazy, o kter\u00fdch nic nev\u00edte, a ignorovat to, co v\u00e1m \u0159\u00edk\u00e1 dokumentace? Jen my\u0161lenka, \u017ee jo». V reakci na to mu bylo pouk\u00e1z\u00e1no na to, \u017ee v dokumentaci se utilita systemd-tmpfiles dodnes popisuje jako «n\u00e1stroj pro vytv\u00e1\u0159en\u00ed, odstra\u0148ov\u00e1n\u00ed a \u010di\u0161t\u011bn\u00ed nest\u00e1l\u00fdch a do\u010dasn\u00fdch soubor\u016f a adres\u00e1\u0159\u016f», i kdy\u017e to d\u00e1vno neodpov\u00edd\u00e1 realit\u011b.<\/p>\n

Nakonec, po dlouh\u00fdch diskus\u00edch v posledn\u00edch n\u011bkolika dnech, bylo chov\u00e1n\u00ed systemd-tmpfiles uzn\u00e1no za chybn\u00e9 a zm\u011bn\u011bno. Nejd\u0159\u00edve se v\u00fdvoj\u00e1\u0159i systemd rozhodli odstranit volbu «—purge», aby se zabr\u00e1nilo chybn\u00e9mu odstran\u011bn\u00ed dom\u00e1c\u00edch adres\u00e1\u0159\u016f, ale nakonec zavedli zm\u011bnu, kter\u00e1 omezuje rozsah p\u0159\u00edkazu «systemd-tmpfiles —purge» — nyn\u00ed m\u016f\u017ee b\u00fdt tento p\u0159\u00edkaz proveden pouze p\u0159i explicitn\u00edm uveden\u00ed konkr\u00e9tn\u00edho konfigura\u010dn\u00edho souboru z tmpfiles.d\/ a povede k odstran\u011bn\u00ed pouze souvisej\u00edc\u00edch soubor\u016f a adres\u00e1\u0159\u016f. Krom\u011b toho byla do manu\u00e1ln\u00ed p\u0159\u00edru\u010dky systemd-tmpfiles p\u0159id\u00e1na podrobn\u011bj\u0161\u00ed informace o volb\u011b a varov\u00e1n\u00ed o mo\u017en\u00fdch n\u00e1sledc\u00edch.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0433\u043e \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 systemd 256.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430, \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0432\u0448\u0430\u044f \u043a \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044e \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0440\u0430\u0437\u0434\u0435\u043b\u0430 \/home \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043a\u043e\u043c\u0430\u043d\u0434\u044b «systemd-tmpfiles —purge», \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 systemd 256 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f \u0432\u0441\u0435\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0438 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u043e\u0432, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0445 \u0447\u0435\u0440\u0435\u0437 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0432 tmpfiles.d. \u0412 \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u0438 \u043a \u0432\u044b\u043f\u0443\u0441\u043a\u0443 systemd 256 \u0438 \u0432 man-\u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0435 systemd-tmpfiles \u0431\u044b\u043b\u043e \u0443\u043a\u0430\u0437\u0430\u043d\u043e, \u0447\u0442\u043e \u043e\u043f\u0446\u0438\u044f «—purge» \u0443\u0434\u0430\u043b\u044f\u0435\u0442 \u0432\u0441\u0435 \u0444\u0430\u0439\u043b\u044b […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116648","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47U\u017eivatel\u00e9 systemd se pot\u00fdkali s probl\u00e9mem vedouc\u00edm k odstran\u011bn\u00ed dom\u00e1c\u00edch adres\u00e1\u0159\u016f | ProHoster","description":"Byl vyd\u00e1n opravn\u00fd release syst\u00e9mov\u00e9ho spr\u00e1vce systemd 256.1, ve kter\u00e9m byla odstran\u011bna chyba vedouc\u00ed k odstran\u011bn\u00ed obsahu odd\u00edlu \/home p\u0159i prov\u00e1d\u011bn\u00ed p\u0159\u00edkazu \"systemd-tmpfiles 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