{"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\/hr\/blog\/news\/vypusk-nabora-bazovyh-sistemnyh-utilit-gnu-coreutils-9-0","title":{"rendered":"Izdanje paketa osnovnih sistemskih alata GNU Coreutils 9.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dostupna je stabilna verzija paketa osnovnih sistemskih alata GNU Coreutils 9.0, koja uklju\u010duje aplikacije kao \u0161to su sort, cat, chmod, chown, chroot, cp, date, dd, echo, hostname, id, ln, ls i dr. Zna\u010dajna promjena broja verzije obja\u0161njava se prisutno\u0161\u0107u promjena u pona\u0161anju nekih alata.    <\/p>\n<p>Klju\u010dne promjene:  <\/p>\n<ul>\n<li class=\"l\"> U alatima cp i install, po defaultu, prilikom kopiranja kori\u0161ten je na\u010din copy-on-write (kori\u0161tenje ioctl ficlone za zajedni\u010dko kori\u0161tenje podataka u nekoliko datoteka umjesto stvaranja punog klona).\n<li class=\"l\"> U alatima cp, install i mv omogu\u0107eni su sistemski mehanizmi akceleracije operacija kopiranja (kori\u0161tenje sistemskog poziva copy_file_range za izvr\u0161avanje kopiranja samo na strani jezgre bez prijenosa podataka u memoriju procesa u korisni\u010dkom prostoru).\n<li class=\"l\"> U alatima cp, install i mv za odre\u0111ivanje praznina u datotekama kori\u0161ten je jednostavniji i prenosiviji poziv lseek+SEEK_HOLE umjesto ioctl+FS_IOC_FIEMAP.\n<li class=\"l\"> U alatu wc za ubrzanje brojenja redaka kori\u0161tene su AVX2 instrukcije. Kori\u0161tenjem ove optimizacije brzina wc-a pove\u0107ana je 5 puta.\n<li class=\"l\"> U utilitiju cksum dodana je opcija &#171;-a&#187; (&#8212;algorithm) za odabir algoritma he\u0161iranja. Za ubrzanje izra\u010dunavanja kontrolnih suma u utilitiju cksum kori\u0161tene su pclmul instrukcije u re\u017eimu &#171;&#8212;algorithm=crc&#187;, \u0161to je omogu\u0107ilo ubrzanje izra\u010duna do 8 puta. Na sustavima bez podr\u0161ke pclmul re\u017eim crc ubrzan je 4 puta. Ostali algoritmi he\u0161iranja (sum, md5sum, b2sum, sha*sum, sm3 itd.) implementirani su pozivanjem funkcija libcrypto.\n<li class=\"l\"> U utilitama md5sum, cksum, sha*sum i b2sum prilikom kori\u0161tenja zastavice &#171;&#8212;check&#187; dopu\u0161teno je postojanje sekvenci CRLF na kraju retka s kontrolnom sumom. U &#171;cksum &#8212;check&#187; omogu\u0107eno je automatsko prepoznavanje kori\u0161tenog algoritma he\u0161iranja.\n<li class=\"l\"> U utilitiju ls dodana je opcija &#171;&#8212;sort=width&#187; za sortiranje po duljini imena datoteke, kao i opcija &#171;&#8212;zero&#187; za zavr\u0161avanje svake linije nul karakterom. Vra\u0107eno je staro pona\u0161anje koje dovodi do prikazivanja praznog direktorija umjesto gre\u0161ke u slu\u010daju obrade uklonjenog direktorija.\n<li class=\"l\"> U alatu df implementirano je prepoznavanje mre\u017enih datote\u010dnih sustava acfs, coda, fhgfs, gpfs, ibrix, ocfs2 i vxfs.\n<li class=\"l\"> U utilite stat i tail dodana je podr\u0161ka za vrste FS &#171;devmem&#187;, &#171;exfat&#187;, &#171;secretmem&#187;, &#171;vboxsf&#187; i &#171;zonefs&#187;. Za &#171;vboxsf&#187; za pra\u0107enje promjena u &#171;tail -f&#187; kori\u0161ten je polling, a za ostale &#8212; inotify.  <\/ul>\n<p>Izvor: <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 5.0.4 - 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 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0445\u043e\u0434\u044f\u0442 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