{"id":108629,"date":"2023-05-19T12:48:11","date_gmt":"2023-05-19T10:48:11","guid":{"rendered":"https:\/\/prohoster.info\/?p=108629"},"modified":"2023-05-19T12:52:44","modified_gmt":"2023-05-19T10:52:44","slug":"vypusk-util-linux-2-39","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-util-linux-2-39","title":{"rendered":"Vyd\u00e1n\u00ed Util-linux 2.39","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byla vyd\u00e1na nov\u00e1 verze bal\u00ed\u010dku syst\u00e9mov\u00fdch utilit Util-linux 2.39, kter\u00e1 obsahuje jak \u00fazce spojen\u00e9 utilitky s Linuxov\u00fdm j\u00e1drem, tak i utility pro obecn\u00e9 pou\u017eit\u00ed. Nap\u0159\u00edklad bal\u00ed\u010dek zahrnuje utility mount\/umount, fdisk, hwclock, cal, blkid, fsck\/cfdisk\/sfdisk, blockdev, chrt, mkfs, ionice, more, renice, su, kill, setsid, login, shutdown, dmesg, lscpu, logger, losetup, setterm, mkswap, swapon, taskset a dal\u0161\u00ed.     <\/p>\n<p>V nov\u00e9 verzi:   <\/p>\n<ul>\n<li class=\"l\"> Do n\u00e1stroje mount a knihovny libmount byla p\u0159id\u00e1na podpora nov\u00e9ho API j\u00e1dra Linux pro spr\u00e1vu montov\u00e1n\u00ed souborov\u00fdch syst\u00e9m\u016f s ohledem na prostory n\u00e1zv\u016f montovac\u00edch bod\u016f (mount namespaces). V nov\u00e9m API jsou m\u00edsto univerz\u00e1ln\u00ed funkce mount() pou\u017eity odd\u011blen\u00e9 funkce pro zpracov\u00e1n\u00ed r\u016fzn\u00fdch f\u00e1z\u00ed montov\u00e1n\u00ed (zpracovat superblok, z\u00edskat informace o FS, p\u0159imontovat, p\u0159ipojit k montovac\u00edmu bodu). Kompatibilita libmount se star\u00fdmi j\u00e1dry Linuxu a star\u00fdm API pro montov\u00e1n\u00ed byla zachov\u00e1na. Pro nucen\u00e9 vypnut\u00ed nov\u00e9ho API byla p\u0159id\u00e1na mo\u017enost &#171;&#8212;disable-libmount-mountfd-support&#187;.\n<li class=\"l\"> Pou\u017eit\u00ed nov\u00e9ho API montov\u00e1n\u00ed umo\u017enilo implementaci podpory mapov\u00e1n\u00ed identifik\u00e1tor\u016f u\u017eivatel\u016f p\u0159imontovan\u00fdch souborov\u00fdch syst\u00e9m\u016f, kter\u00e9 se pou\u017e\u00edv\u00e1 k porovn\u00e1n\u00ed soubor\u016f ur\u010dit\u00e9ho u\u017eivatele na p\u0159imontovan\u00e9m ciz\u00edm odd\u00edlu s jin\u00fdm u\u017eivatelem v aktu\u00e1ln\u00edm syst\u00e9mu. Pro spr\u00e1vu mapov\u00e1n\u00ed byla do n\u00e1stroje mount p\u0159id\u00e1na mo\u017enost &#171;X-mount.idmap=&#187;.\n<li class=\"l\"> Do n\u00e1stroje mount byly p\u0159id\u00e1ny nov\u00e9 mo\u017enosti: &#171;X-mount.auto-fstypes&#187; pro automatick\u00e9 rozpozn\u00e1v\u00e1n\u00ed souborov\u00e9ho syst\u00e9mu ur\u010dit\u00e9ho typu, &#171;X-mount.{owner,group,mode}&#187; pro zm\u011bnu vlastn\u00edka, skupiny a p\u0159\u00edstupov\u00e9ho re\u017eimu po montov\u00e1n\u00ed a &#171;rootcontext=@target&#187; pro nastaven\u00ed kontextu SELinux pro FS. Pro flagy VFS byla p\u0159id\u00e1na podpora argumentu &#171;recursive&#187; (nap\u0159\u00edklad &#171;mount -o bind,ro=recursive&#187;).\n<li class=\"l\"> Byl p\u0159id\u00e1n p\u0159\u00edkaz blkpr, kter\u00fd umo\u017e\u0148uje rezervovat bloky na SCSI nebo NVMe \u00falo\u017en\u00fdch za\u0159\u00edzen\u00edch.\n<li class=\"l\"> Byl p\u0159id\u00e1n p\u0159\u00edkaz pipesz pro nastaven\u00ed nebo ov\u011b\u0159en\u00ed velikosti vyrovn\u00e1vac\u00ed pam\u011bti pro anonymn\u00ed kan\u00e1ly a FIFO.\n<li class=\"l\"> Byl p\u0159id\u00e1n p\u0159\u00edkaz waitpid pro \u010dek\u00e1n\u00ed na zm\u011bnu stavu libovoln\u00e9ho procesu (nap\u0159\u00edklad dokon\u010den\u00ed prov\u00e1d\u011bn\u00ed).\n<li class=\"l\"> Do n\u00e1stroje renice byly p\u0159id\u00e1ny mo\u017enosti &#171;-n&#187; a &#171;&#8212;relative&#187;.\n<li class=\"l\"> V utility blockdev byla implementov\u00e1na podpora ioctl BLKGETDISKSEQ.\n<li class=\"l\"> Do n\u00e1stroje lsfd byla p\u0159id\u00e1na podpora pidfd a socket\u016f AF_NETLINK, AF_PACKET, AF_INET a AF_INET6 (\\\/proc\\\/net\\\/*), bylo zaji\u0161t\u011bno zobrazen\u00ed zm\u011bn\u011bn\u00fdch n\u00e1zv\u016f proces\u016f z proc\\\/$pid\\\/fd, bylo implementov\u00e1no dek\u00f3dov\u00e1n\u00ed flag\u016f z \\\/proc\\\/$PID\\\/fdinfo\\\/$fd, p\u0159id\u00e1na mo\u017enost &#171;-i&#187; (&#171;&#8212;inet&#187;) pro zobrazen\u00ed pouze informac\u00ed o socketech AF_INET a AF_INET6.\n<li class=\"l\"> Do n\u00e1stroje cal byla p\u0159id\u00e1na podpora nastaven\u00ed barevn\u00e9ho v\u00fdstupu p\u0159es terminal-colors.d.\n<li class=\"l\"> V dmesg byl implementov\u00e1n v\u00fdstup s p\u0159esnost\u00ed v sekundy p\u0159i pou\u017eit\u00ed mo\u017enost\u00ed &#171;&#8212;since&#187; a &#171;&#8212;until&#187;, v mo\u017enosti &#171;&#8212;level&#187; byla p\u0159id\u00e1na mo\u017enost uv\u00e9st prefix\/sufix &#171;+&#187; pro zobrazen\u00ed v\u0161ech \u00farovn\u00ed s \u010d\u00edsly v\u011bt\u0161\u00edmi\/m\u00e9n\u011b ne\u017e zadan\u00e9.\n<li class=\"l\"> Do n\u00e1stroje fstrim byla p\u0159id\u00e1na mo\u017enost &#171;&#8212;types&#187; pro filtrov\u00e1n\u00ed podle typu FS.\n<li class=\"l\"> Do blkid a libblkid byla p\u0159id\u00e1na podpora FS bcachefs a zahrnut v\u00fdpo\u010det kontroln\u00edch sou\u010dt\u016f pro FS a RAID.\n<li class=\"l\"> Do n\u00e1stroje lsblk byly p\u0159id\u00e1ny mo\u017enosti &#171;&#8212;nvme&#187; a &#171;&#8212;virtio&#187; pro filtrov\u00e1n\u00ed za\u0159\u00edzen\u00ed, byly implementov\u00e1ny sloupce ID (udev ID), ID-LINK (udev \\\/dev\\\/disk\\\/by-id), PARTN (\u010d\u00edslo odd\u00edlu) a MQ (fronty), byla zlep\u0161ena podpora pro hork\u00e9 p\u0159ipojen\u00ed a odpojen\u00ed za\u0159\u00edzen\u00ed.\n<li class=\"l\"> Do nsenter byla p\u0159id\u00e1na mo\u017enost &#171;&#8212;env&#187; pro p\u0159ed\u00e1v\u00e1n\u00ed prom\u011bnn\u00fdch prost\u0159ed\u00ed.\n<li class=\"l\"> Do namei byla p\u0159id\u00e1na mo\u017enost &#171;-Z&#187; pro zobrazen\u00ed kontext\u016f SELinux.\n<li class=\"l\"> Byla vylep\u0161ena podpora build syst\u00e9mu Meson.      <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59154\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043f\u0430\u043a\u0435\u0442\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442 Util-linux 2.39, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u0445\u043e\u0434\u044f\u0442 \u043a\u0430\u043a \u0442\u0435\u0441\u043d\u043e \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 Linux-\u044f\u0434\u0440\u043e\u043c \u0443\u0442\u0438\u043b\u0438\u0442\u044b, \u0442\u0430\u043a \u0438 \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u043e\u0431\u0449\u0435\u0433\u043e \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 \u043f\u0430\u043a\u0435\u0442\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u0443\u0442\u0438\u043b\u0438\u0442\u044b mount\/umount, fdisk, hwclock, cal, blkid, fsck\/cfdisk\/sfdisk, blockdev, chrt, mkfs, ionice, more, renice, su, kill, setsid, login, shutdown, dmesg, lscpu, logger, losetup, setterm, mkswap, swapon, taskset \u0438 \u0442.\u043f. \u0412 [&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-108629","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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