Nel rilascio di Fedora 38 \u00e8 stata proposta la prima fase della transizione verso un processo di avvio modernizzato, precedentemente suggerito da Lennart Poettering, per garantire un avvio verificato completo che copra tutte le fasi, dal firmware allo spazio utente, e non solo il nucleo e il bootloader. La proposta non \u00e8 stata ancora esaminata dal comitato FESCo (Fedora Engineering Steering Committee), responsabile della parte tecnica dello sviluppo della distribuzione Fedora. <\/p>\n
I componenti per realizzare l'idea proposta sono gi\u00e0 integrati in systemd 252 e si riducono all'utilizzo di un'immagine di initrd, generata localmente al momento dell'installazione del pacchetto del nucleo, e all'immagine unificata del nucleo UKI (Unified Kernel Image), generata nell'infrastruttura della distribuzione e autenticata con la firma digitale della distribuzione. L'UKI combina in un unico file il gestore per l'avvio del nucleo da UEFI (UEFI boot stub), l'immagine del nucleo Linux e l'ambiente di sistema initrd caricato in memoria. Quando l'immagine UKI viene chiamata da UEFI, offre la possibilit\u00e0 di verificare l'integrit\u00e0 e l'autenticit\u00e0 tramite la firma digitale non solo del nucleo, ma anche del contenuto di initrd, la cui verifica \u00e8 importante poich\u00e9 in questo ambiente avviene l'estrazione delle chiavi per decrittografare il filesystem radice. <\/p>\n
A causa delle significative modifiche previste, l'implementazione \u00e8 programmata in pi\u00f9 fasi. Nella prima fase, il supporto per UKI sar\u00e0 aggiunto al bootloader e inizier\u00e0 la pubblicazione di un'immagine UKI opzionale, focalizzata sull'avvio di macchine virtuali<\/a> con un insieme limitato di componenti e driver, nonch\u00e9 sugli strumenti associati all'installazione e all'aggiornamento di UKI. Nella seconda e terza fase si prevede di abbandonare la trasmissione delle impostazioni nella riga di comando del nucleo e di cessare di memorizzare le chiavi in initrd. \u0412 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Fedora 38 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0435\u0440\u0432\u0443\u044e \u0441\u0442\u0430\u0434\u0438\u044e \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0430 \u043d\u0430 \u043c\u043e\u0434\u0435\u0440\u043d\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438, \u0440\u0430\u043d\u0435\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0439 \u041b\u0435\u043d\u043d\u0430\u0440\u0442\u043e\u043c \u041f\u043e\u0442\u0442\u0435\u0440\u0438\u043d\u0433\u043e\u043c \u0434\u043b\u044f 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\u043a\u043e\u043c\u0438\u0442\u0435\u0442\u043e\u043c FESCo (Fedora Engineering Steering Committee), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u043c \u0437\u0430 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0447\u0430\u0441\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Fedora. \u041a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0434\u043b\u044f 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Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"