{"id":99193,"date":"2021-02-18T16:22:39","date_gmt":"2021-02-18T14:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u5"},"modified":"2021-02-18T16:22:39","modified_gmt":"2021-02-18T14:22:39","slug":"kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u5","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/kompaniya-oracle-vypustila-yadro-unbreakable-enterprise-kernel-r5u5","title":{"rendered":"Oracle ha rilasciato il kernel Unbreakable Enterprise Kernel R5U5","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Oracle ha rilasciato il quinto aggiornamento funzionale per il kernel Unbreakable Enterprise Kernel R5, progettato per l'uso nella distribuzione di Oracle Linux come alternativa al pacchetto standard del kernel di Red Hat Enterprise Linux. Il kernel \u00e8 disponibile per le architetture x86_64 e ARM64 (aarch64). I codici sorgente del kernel, inclusi i dettagli delle singole patch, sono pubblicati nel repository Git pubblico di Oracle.    <\/p>\n<p>Il pacchetto Unbreakable Enterprise Kernel 5 si basa sul kernel Linux 4.14 (UEK R4 era basato sul kernel 4.1 e UEK R6 sul 5.4), arricchito con nuove funzionalit\u00e0, ottimizzazioni e correzioni, ed \u00e8 stato testato per la compatibilit\u00e0 con la maggior parte delle applicazioni che funzionano su RHEL, ed \u00e8 specificamente ottimizzato per operare con software e hardware industriale Oracle. I pacchetti di installazione e src per il kernel UEK R5U5 sono preparati per Oracle Linux 7 (non ci sono ostacoli all'uso di questo kernel in versioni equivalenti di RHEL, CentOS e Scientific Linux).       <\/p>\n<p>Miglioramenti chiave:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata ottimizzata la parte del codice responsabile della pulizia della cache delle pagine di memoria nel hypervisor  <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4393\">KVM<\/a>, il che ha consentito di migliorare le prestazioni dei grandi sistemi guest e ridurre i tempi di avvio.\n<li class=\"l\"> Sono stati corretti errori e apportati miglioramenti nel codice dei file system btrfs, CIFS, ext4, NFS, OCFS2 e XFS.\n<li class=\"l\"> In RDMA, \u00e8 aumentata la performance delle commutazioni failover\/failback di RDS (Reliable Datagram Sockets) in caso di guasti. Sono stati aggiunti nuovi strumenti di debug RDS che eseguono il tracciamento tramite eBPF e DTrace.\n<li class=\"l\"> Nel securityfs \u00e8 stato aggiunto l'interfaccia \/sys\/kernel\/security\/lockdown per gestire la modalit\u00e0 lockdown di Secure Boot, che limita l'accesso dell'utente root al kernel e blocca le vie di bypass di UEFI Secure Boot.\n<li class=\"l\"> Sono stati aggiornati i driver dei dispositivi, inclusa l'implementazione di nuove versioni dei driver per LSI MPT Fusion SAS 3.0, BCM573xx, Intel QuickData, Intel i10nm EDAC, Marvell PHY, Microsoft Hyper-V e QLogic Fibre Channel HBA.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54612\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b\u0430 \u043f\u044f\u0442\u043e\u0435 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[&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-99193","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b\u0430 \u043f\u044f\u0442\u043e\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Unbreakable Enterprise Kernel R5, \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f 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Il kernel \u00e8 disponibile per architetture x86_64 e ARM64 (aarch64). I codici sorgenti del kernel, inclusa la suddivisione in patch separate, sono pubblicati nel repository Git pubblico di Oracle. 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