{"id":101398,"date":"2021-09-24T22:22:40","date_gmt":"2021-09-24T20:22:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0"},"modified":"2021-09-24T22:22:40","modified_gmt":"2021-09-24T20:22:40","slug":"vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0","title":{"rendered":"Megjelent a GNU Coreutils 9.0 alapvet\u0151 rendszerseg\u00e9dprogramok k\u00e9szlete.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A stabil verzi\u00f3ja el\u00e9rhet\u0151 a GNU Coreutils 9.0 alapvet\u0151 rendszerseg\u00e9deszk\u00f6zeinek k\u00e9szlet\u00e9nek, amely olyan programokat tartalmaz, mint a sort, cat, chmod, chown, chroot, cp, date, dd, echo, hostname, id, ln, ls stb. A verzi\u00f3sz\u00e1m jelent\u0151s v\u00e1ltoz\u00e1sa n\u00e9h\u00e1ny seg\u00e9deszk\u00f6z viselked\u00e9s\u00e9ben v\u00e9grehajtott v\u00e1ltoztat\u00e1soknak tudhat\u00f3 be.    <\/p>\n<p>Kulcsfontoss\u00e1g\u00fa v\u00e1ltoz\u00e1sok:  <\/p>\n<ul>\n<li class=\"l\"> A cp \u00e9s install seg\u00e9deszk\u00f6z\u00f6k alap\u00e9rtelmez\u00e9s szerint m\u00e1sol\u00e1s-on-\u00edr m\u00f3dot haszn\u00e1lnak m\u00e1sol\u00e1skor (az ioctl ficlone haszn\u00e1lat\u00e1val az adatok megoszt\u00e1s\u00e1ra t\u00f6bb f\u00e1jl k\u00f6z\u00f6tt a teljes m\u00e1solat l\u00e9trehoz\u00e1sa helyett).\n<li class=\"l\"> A cp, install \u00e9s mv seg\u00e9deszk\u00f6z\u00f6k a rendszer \u00e1ltal biztos\u00edtott mechanizmusokat alkalmazz\u00e1k a m\u00e1sol\u00e1si m\u0171veletek gyors\u00edt\u00e1s\u00e1ra (a copy_file_range rendszerh\u00edv\u00e1s haszn\u00e1lat\u00e1val, amely lehet\u0151v\u00e9 teszi a m\u00e1sol\u00e1s v\u00e9grehajt\u00e1s\u00e1t a kernel oldal\u00e1n an\u00e9lk\u00fcl, hogy az adatokat a felhaszn\u00e1l\u00f3i folyamat mem\u00f3ri\u00e1j\u00e1ba kellene \u00e1tvinnie).\n<li class=\"l\"> A cp, install \u00e9s mv seg\u00e9deszk\u00f6z\u00f6k a f\u00e1jlokban l\u00e9v\u0151 \u00fcres helyek meghat\u00e1roz\u00e1s\u00e1hoz egyszer\u0171bb \u00e9s hordozhat\u00f3 lseek+SEEK_HOLE h\u00edv\u00e1st haszn\u00e1lnak az ioctl+FS_IOC_FIEMAP helyett.\n<li class=\"l\"> A wc seg\u00e9deszk\u00f6zben az AVX2 utas\u00edt\u00e1sokat haszn\u00e1lj\u00e1k a sorok sz\u00e1m\u00e1nak gyorsabb megsz\u00e1mol\u00e1s\u00e1ra. Ezen optimaliz\u00e1l\u00e1s haszn\u00e1lat\u00e1val a wc sebess\u00e9ge \u00f6tsz\u00f6r\u00f6s\u00e9re n\u0151tt.\n<li class=\"l\"> A cksum seg\u00e9dprogramhoz hozz\u00e1adt\u00e1k az &#171;-a&#187; (&#8212;algorithm) opci\u00f3t a has\u00edt\u00f3 algoritmus kiv\u00e1laszt\u00e1s\u00e1hoz. A cksum seg\u00e9dprogramban a kriptogr\u00e1fiai ellen\u0151rz\u0151 \u00f6sszegek sz\u00e1m\u00edt\u00e1s\u00e1nak felgyors\u00edt\u00e1s\u00e1ra a pclmul utas\u00edt\u00e1sokat haszn\u00e1lj\u00e1k az &#171;&#8212;algorithm=crc&#187; \u00fczemm\u00f3dban, amely lehet\u0151v\u00e9 tette a sz\u00e1m\u00edt\u00e1sok ak\u00e1r 8-szoros felgyors\u00edt\u00e1s\u00e1t. Pclmul-t nem t\u00e1mogat\u00f3 rendszereken a crc \u00fczemm\u00f3d 4-szeres felgyors\u00edt\u00e1st biztos\u00edt. A t\u00f6bbi has\u00edt\u00f3 algoritmus (sum, md5sum, b2sum, sha*sum, sm3 stb.) a libcrypto f\u00fcggv\u00e9nyek megh\u00edv\u00e1s\u00e1val van megval\u00f3s\u00edtva.\n<li class=\"l\"> Az md5sum, cksum, sha*sum \u00e9s b2sum seg\u00e9dprogramokban az &#171;&#8212;check&#187; kapcsol\u00f3 haszn\u00e1latakor megengedett a CRLF sorv\u00e9gi karakterek jelenl\u00e9te a checksum sor v\u00e9g\u00e9n. A &#171;cksum &#8212;check&#187; automatikusan meghat\u00e1rozza a felhaszn\u00e1lt has\u00edt\u00f3 algoritmust.\n<li class=\"l\"> Az ls seg\u00e9dprogramhoz hozz\u00e1adt\u00e1k az &#171;&#8212;sort=width&#187; opci\u00f3t a f\u00e1jln\u00e9v hossz szerinti rendez\u00e9shez, valamint az &#171;&#8212;zero&#187; opci\u00f3t, amely minden sort null karakterrel z\u00e1r le. Vissza\u00e1ll\u00edtott\u00e1k a r\u00e9gi viselked\u00e9st, amely \u00fcres k\u00f6nyvt\u00e1rat mutat, ahelyett, hogy hib\u00e1t jelezne az elt\u00e1vol\u00edtott k\u00f6nyvt\u00e1r feldolgoz\u00e1sa eset\u00e9n.\n<li class=\"l\"> A df seg\u00e9deszk\u00f6zben implement\u00e1lt\u00e1k a h\u00e1l\u00f3zati f\u00e1jlrendszerek, mint az acfs, coda, fhgfs, gpfs, ibrix, ocfs2 \u00e9s vxfs azonos\u00edt\u00e1s\u00e1t.\n<li class=\"l\"> A stat \u00e9s tail seg\u00e9dprogramokhoz hozz\u00e1adt\u00e1k a &#171;devmem&#187;, &#171;exfat&#187;, &#171;secretmem&#187;, &#171;vboxsf&#187; \u00e9s &#171;zonefs&#187; f\u00e1jlrendszer t\u00edpusok t\u00e1mogat\u00e1s\u00e1t. A &#171;vboxsf&#187; eset\u00e9n a &#171;tail -f&#187; m\u00f3dosul\u00e1sok figyel\u00e9s\u00e9re pollingot haszn\u00e1lnak, m\u00edg a t\u00f6bbiek eset\u00e9n inotify-t.  <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55865\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043d\u0430\u0431\u043e\u0440\u0430 \u0431\u0430\u0437\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442 GNU Coreutils 9.0, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0445\u043e\u0434\u044f\u0442 \u0442\u0430\u043a\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b, \u043a\u0430\u043a sort, cat, chmod, chown, chroot, cp, date, dd, echo, hostname, id, ln, ls \u0438 \u0442.\u0434. \u0417\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0441\u043c\u0435\u043d\u0430 \u043d\u043e\u043c\u0435\u0440\u0430 \u0432\u0435\u0440\u0441\u0438\u0438 \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u043b\u0438\u0447\u0438\u0435\u043c \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0412 \u0443\u0442\u0438\u043b\u0438\u0442\u0430\u0445 cp \u0438 install \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0440\u0438 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d [&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-101398","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043d\u0430\u0431\u043e\u0440\u0430 \u0431\u0430\u0437\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442 GNU Coreutils 9.0, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 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