{"id":108644,"date":"2023-05-21T00:48:17","date_gmt":"2023-05-20T22:48:17","guid":{"rendered":"https:\/\/prohoster.info\/?p=108644"},"modified":"2023-05-22T10:29:01","modified_gmt":"2023-05-22T08:29:01","slug":"reliz-distributiva-red-hat-enterprise-linux-8-8","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/reliz-distributiva-red-hat-enterprise-linux-8-8","title":{"rendered":"Uvoln\u011bn\u00ed distribuce Red Hat Enterprise Linux 8.8","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po vyd\u00e1n\u00ed Red Hat Enterprise Linux 9.2 bylo publikov\u00e1no aktualizace p\u0159edchoz\u00ed v\u011btve Red Hat Enterprise Linux 8.8, kter\u00e1 je podporov\u00e1na spole\u010dn\u011b s v\u011btv\u00ed RHEL 9.x a bude udr\u017eov\u00e1na minim\u00e1ln\u011b do roku 2029. Instalace jsou p\u0159ipraveny pro architektury x86_64, s390x (IBM System z), ppc64le a Aarch64, ale jsou k dispozici ke sta\u017een\u00ed pouze registrovan\u00fdm u\u017eivatel\u016fm Red Hat Customer Portal (m\u016f\u017eete tak\u00e9 pou\u017e\u00edt iso obrazy CentOS Stream 9 a bezplatn\u00e9 verze RHEL pro v\u00fdvoj\u00e1\u0159e). Zdrojov\u00e9 k\u00f3dy rpm bal\u00ed\u010dk\u016f Red Hat Enterprise Linux 8 jsou distribuov\u00e1ny prost\u0159ednictv\u00edm Git repozit\u00e1\u0159e CentOS.       <\/p>\n<p>P\u0159\u00edpravy nov\u00fdch verz\u00ed prob\u00edhaj\u00ed podle v\u00fdvojov\u00e9ho cyklu, kter\u00fd p\u0159edpokl\u00e1d\u00e1 vytv\u00e1\u0159en\u00ed verz\u00ed ka\u017ed\u00fdch \u0161est m\u011bs\u00edc\u016f ve stanoven\u00e9m \u010dase. Do roku 2024 bude v\u011btev 8.x v pln\u00e9 podpo\u0159e, co\u017e zahrnuje implementaci funk\u010dn\u00edch vylep\u0161en\u00ed, pot\u00e9 p\u0159ejde do f\u00e1ze \u00fadr\u017eby, kde se priority posunou sm\u011brem k oprav\u011b chyb a zabezpe\u010den\u00ed, s drobn\u00fdmi vylep\u0161en\u00edmi zam\u011b\u0159en\u00fdmi na podporu d\u016fle\u017eit\u00fdch hardwarov\u00fdch syst\u00e9m\u016f.       <\/p>\n<p>Kl\u00ed\u010dov\u00e9 zm\u011bny:  <\/p>\n<ul>\n<li class=\"l\"> Byly aktualizov\u00e1ny serverov\u00e9 a syst\u00e9mov\u00e9 bal\u00ed\u010dky: nginx 1.22, Libreswan 4.9, OpenSCAP 1.3.7, Grafana 7.5.15, powertop rebased 2.15, tuned 2.20.0, NetworkManager 1.40.16, mod_security 2.9.6, samba 4.17.5.\n<li class=\"l\"> Sada byla roz\u0161\u00ed\u0159ena o nov\u00e9 verze kompil\u00e1tor\u016f a n\u00e1stroj\u016f pro v\u00fdvoj\u00e1\u0159e: GCC Toolset 12, LLVM Toolset 15.0.7, Rust Toolset 1.66, Go Toolset 1.19.4, Python 3.11, Node.js 18.14, PostgreSQL 15, Git 2.39.1, Valgrind 3.19, SystemTap 4.8, Apache Tomcat 9.\n<li class=\"l\"> Nastaven\u00ed re\u017eimu FIPS byla zm\u011bn\u011bna tak, aby splnila po\u017eadavky normy FIPS 140-3. Byly deaktivov\u00e1ny 3DES, ECDH a FFDH, minim\u00e1ln\u00ed velikost kl\u00ed\u010d\u016f HMAC je omezena na 112 bit\u016f a kl\u00ed\u010d\u016f RSA \u2014 2048 bit\u016f, v gener\u00e1toru pseudon\u00e1hodn\u00fdch \u010d\u00edsel DRBG byly vypnuty hashovac\u00ed funkce SHA-224, SHA-384, SHA512-224, SHA512-256, SHA3-224 a SHA3-384.\n<li class=\"l\"> Politiky SELinux byly aktualizov\u00e1ny pro zaji\u0161t\u011bn\u00ed funk\u010dnosti systemd-socket-proxyd.\n<li class=\"l\"> V bal\u00ed\u010dkov\u00e9m spr\u00e1vci yum byla implementov\u00e1na p\u0159\u00edkaz offline-upgrade pro aplikaci aktualizac\u00ed na syst\u00e9m v offline re\u017eimu. Podstata offline aktualizace spo\u010d\u00edv\u00e1 v tom, \u017ee nejprve jsou nov\u00e9 bal\u00ed\u010dky st\u00e1hnuty pomoc\u00ed p\u0159\u00edkazu \u201eyum offline-upgrade download\u201d, pot\u00e9 se provede p\u0159\u00edkaz \u201eyum offline-upgrade reboot\u201d pro restart syst\u00e9mu do minim\u00e1ln\u00edho prost\u0159ed\u00ed a instalaci dostupn\u00fdch aktualizac\u00ed, ani\u017e by do\u0161lo k naru\u0161en\u00ed pracovn\u00edch proces\u016f. Po dokon\u010den\u00ed instalace aktualizac\u00ed se syst\u00e9m restartuje do b\u011b\u017en\u00e9ho pracovn\u00edho prost\u0159ed\u00ed. P\u0159i stahov\u00e1n\u00ed bal\u00ed\u010dk\u016f pro offline aktualizaci lze pou\u017e\u00edt filtry, nap\u0159\u00edklad \u201e--advisory\u201d, \u201e--security\u201d, \u201e--bugfix\u201d.\n<li class=\"l\"> Byl p\u0159id\u00e1n nov\u00fd bal\u00ed\u010dek synce4l pro vyu\u017eit\u00ed technologie synchronizace frekvence SyncE (Synchronous Ethernet), podporovan\u00e9 v n\u011bkter\u00fdch s\u00ed\u0165ov\u00fdch kart\u00e1ch a s\u00ed\u0165ov\u00fdch p\u0159ep\u00edna\u010d\u00edch, a umo\u017e\u0148uj\u00edc\u00ed zv\u00fd\u0161it \u00fa\u010dinnost v\u00fdm\u011bny dat v aplikac\u00edch RAN (Radio Access Network) d\u00edky p\u0159esn\u011bj\u0161\u00ed synchronizaci \u010dasu.\n<li class=\"l\"> Do frameworku fapolicyd (File Access Policy Daemon), kter\u00fd umo\u017e\u0148uje ur\u010dit, kter\u00e9 programy m\u016f\u017ee dan\u00fd u\u017eivatel spou\u0161t\u011bt a kter\u00e9 ne, byl p\u0159id\u00e1n nov\u00fd konfigura\u010dn\u00ed soubor \/etc\/fapolicyd\/rpm-filter.conf pro nastaven\u00ed seznamu soubor\u016f s datab\u00e1z\u00ed pro bal\u00ed\u010dkov\u00e9ho spr\u00e1vce RPM, kter\u00e9 fapolicyd zpracov\u00e1v\u00e1. Nap\u0159\u00edklad nov\u00fd konfigura\u010dn\u00ed soubor m\u016f\u017ee b\u00fdt pou\u017eit pro vylou\u010den\u00ed z p\u0159\u00edstupov\u00fdch politik jednotliv\u00fdch aplikac\u00ed nainstalovan\u00fdch p\u0159es bal\u00ed\u010dkov\u00e9ho spr\u00e1vce RPM.\n<li class=\"l\"> V j\u00e1d\u0159e byla p\u0159i p\u0159enosu informac\u00ed o zji\u0161t\u011bn\u00e9m SYN floodu zaji\u0161t\u011bna mo\u017enost uv\u00e9st \u00fadaje o p\u0159ij\u00edmaj\u00edc\u00ed IP adrese, co\u017e usnad\u0148uje ur\u010den\u00ed c\u00edle floodu v syst\u00e9mech s obslu\u017en\u00fdmi programy v\u00e1zan\u00fdmi na r\u016fzn\u00e9. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/lir\/ipv4\/\"   title=\"IP adresy\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4461\">IP adresy<\/a>.\n<li class=\"l\"> Byla p\u0159id\u00e1na syst\u00e9mov\u00e1 role pro n\u00e1stroje podman, kter\u00e1 umo\u017e\u0148uje spravovat nastaven\u00ed Podman, kontejnery a slu\u017eby systemd, kter\u00e9 spou\u0161t\u00ed kontejnery Podman. V Podman byla p\u0159id\u00e1na podpora generov\u00e1n\u00ed ud\u00e1lost\u00ed auditu, p\u0159ipojen\u00ed obslu\u017en\u00fdch program\u016f p\u0159ed spu\u0161t\u011bn\u00edm (\/usr\/libexec\/podman\/pre-exec-hooks a \/etc\/containers\/pre-exec-hooks) a pou\u017eit\u00ed form\u00e1tu Sigstore pro ukl\u00e1d\u00e1n\u00ed digit\u00e1ln\u00edch podpis\u016f spolu s obrazy kontejner\u016f.\n<li class=\"l\"> Byly aktualizov\u00e1ny n\u00e1stroje pro spr\u00e1vu izolovan\u00fdch kontejner\u016f container-tools, zahrnuj\u00edc\u00ed bal\u00ed\u010dky jako Podman, Buildah, Skopeo, crun a runc.\n<li class=\"l\"> Byla p\u0159id\u00e1na utilita toolbox, kter\u00e1 umo\u017e\u0148uje spustit dal\u0161\u00ed izolovan\u00e9 prost\u0159ed\u00ed, kter\u00e9 m\u016f\u017ee b\u00fdt nastavena libovoln\u00fdm zp\u016fsobem s pomoc\u00ed b\u011b\u017en\u00e9ho bal\u00ed\u010dkov\u00e9ho spr\u00e1vce DNF. V\u00fdvoj\u00e1\u0159i sta\u010d\u00ed prov\u00e9st p\u0159\u00edkaz \u201etoolbox create\u201d, po \u010dem\u017e se kdykoli mohou p\u0159ihl\u00e1sit do vytvo\u0159en\u00e9ho prost\u0159ed\u00ed p\u0159\u00edkazem \u201etoolbox enter\u201d a nainstalovat jak\u00e9koli bal\u00ed\u010dky pomoc\u00ed utility yum.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora pro vytv\u00e1\u0159en\u00ed obraz\u016f ve form\u00e1tu vhd, kter\u00fd se pou\u017e\u00edv\u00e1 v Microsoft Azure, pro architekturu ARM64.\n<li class=\"l\"> V SSSD (System Security Services Daemon) byla p\u0159id\u00e1na podpora pro p\u0159eveden\u00ed n\u00e1zv\u016f domovsk\u00fdch adres\u00e1\u0159\u016f na mal\u00e1 p\u00edsmena (p\u0159es pou\u017eit\u00ed z\u00e1stupce \u201e%h\u201d v atributu override_homedir, uveden\u00e9m v \/etc\/sssd\/sssd.conf). Krom\u011b toho u\u017eivatel\u016fm byla povolena zm\u011bna hesla ulo\u017een\u00e9ho v LDAP (to se zap\u00edn\u00e1 nastaven\u00edm hodnoty shadow pro atribut ldap_pwd_policy v \/etc\/sssd\/sssd.conf).\n<li class=\"l\"> V glibc byl implementov\u00e1n nov\u00fd algoritmus t\u0159\u00edd\u011bn\u00ed p\u0159i dynamick\u00e9m propojen\u00ed DSO, kter\u00fd pou\u017e\u00edv\u00e1 metodu hled\u00e1n\u00ed do hloubky (DFS) k vy\u0159e\u0161en\u00ed probl\u00e9m\u016f s v\u00fdkonem p\u0159i zpracov\u00e1n\u00ed cyklick\u00fdch z\u00e1vislost\u00ed. Pro v\u00fdb\u011br algoritmu t\u0159\u00edd\u011bn\u00ed DSO byl navr\u017een parametr glibc.rtld.dynamic_sort=2, kter\u00e9mu lze p\u0159id\u011blit hodnotu \u201e1\u201d pro n\u00e1vrat k star\u00e9mu algoritmu.\n<li class=\"l\"> V utilit\u011b rteval je zaji\u0161t\u011bn p\u0159ehled informac\u00ed o z\u00e1t\u011b\u017e\u00edch programu, vl\u00e1knech a CPU zapojen\u00fdch do vykon\u00e1v\u00e1n\u00ed t\u011bchto vl\u00e1ken.\n<li class=\"l\"> V utilit\u011b oslat byly p\u0159id\u00e1ny dal\u0161\u00ed mo\u017enosti pro m\u011b\u0159en\u00ed latenc\u00ed.\n<li class=\"l\"> Byly p\u0159id\u00e1ny nov\u00e9 ovlada\u010de pro SoC Intel Elkhart Lake, Solarflare Siena, NVIDIA sn2201, AMD SEV, AMD TDX, ACPI Video, Intel GVT-g pro KVM, HP iLO\/iLO2.\n<li class=\"l\"> Byla p\u0159id\u00e1na experiment\u00e1ln\u00ed podpora pro diskr\u00e9tn\u00ed grafick\u00e9 karty Intel Arc (DG2\/Alchemist). Pro aktivaci hardwarov\u00e9ho zrychlen\u00ed na takov\u00fdch grafick\u00fdch kart\u00e1ch je t\u0159eba p\u0159i spu\u0161t\u011bn\u00ed uv\u00e9st PCI identifik\u00e1tor karty pomoc\u00ed parametru j\u00e1dra \u201ei915.force_probe=pci-id\u201d.\n<li class=\"l\"> Bal\u00ed\u010dek inkscape inkscape1 byl nahrazen inkscape1, kter\u00fd pou\u017e\u00edv\u00e1 Python 3. Verze Inkscape byla aktualizov\u00e1na z 0.92 na 1.0.\n<li class=\"l\"> V kioskov\u00e9m re\u017eimu byla poskytnuta mo\u017enost pou\u017eit\u00ed obrazov\u00e9 kl\u00e1vesnice GNOME.\n<li class=\"l\"> V knihovn\u011b libsoup a emailov\u00e9m klientu Evolution byla p\u0159id\u00e1na podpora pro autentizaci na Microsoft Exchange Server pomoc\u00ed protokolu NTLMv2.\n<li class=\"l\"> V GNOME byla poskytnuta mo\u017enost p\u0159izp\u016fsoben\u00ed kontextov\u00e9ho menu, kter\u00e9 se zobraz\u00ed p\u0159i kliknut\u00ed prav\u00fdm tla\u010d\u00edtkem na plo\u0161e. U\u017eivatel nyn\u00ed m\u016f\u017ee do menu p\u0159idat polo\u017eky pro spu\u0161t\u011bn\u00ed libovoln\u00fdch p\u0159\u00edkaz\u016f.\n<li class=\"l\"> V GNOME je povoleno vypnout p\u0159ep\u00edn\u00e1n\u00ed <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/vps\/abuzoustojchivye-vps\/\"   title=\"virtu\u00e1ln\u00edch pracovn\u00edch ploch\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1073\">virtu\u00e1ln\u00edch pracovn\u00edch ploch<\/a> pomoc\u00ed pohybu t\u0159\u00ed prst\u016f nahoru nebo dol\u016f na touchpadu.\n<li class=\"l\"> Pokra\u010duje poskytov\u00e1n\u00ed experiment\u00e1ln\u00ed (Technology Preview) podpory AF_XDP, hardwarov\u00e9ho odstra\u0148ov\u00e1n\u00ed XDP, Multipath TCP (MPTCP), MPLS (V\u00edceprotokolov\u00e9 \u0161t\u00edtkov\u00e1n\u00ed), DSA (zpracov\u00e1n\u00ed dat), KTLS, dracut, rychl\u00e9 restartov\u00e1n\u00ed kexec, nispor, DAX v ext4 a xfs, systemd-resolved, accel-config, igc, OverlayFS, Stratis, Software Guard Extensions (SGX), NVMe\/TCP, DNSSEC, GNOME na syst\u00e9mech ARM64 a IBM Z, AMD SEV pro KVM, Intel vGPU, Toolbox.   <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59160\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043b\u0435\u0434\u043e\u043c \u0437\u0430 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u043c Red Hat Enterprise Linux 9.2 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 Red Hat Enterprise Linux 8.8, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u0435\u0442\u0441\u044f \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e \u0441 \u0432\u0435\u0442\u043a\u043e\u0439 RHEL 9.x \u0438 \u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043c\u0438\u043d\u0438\u043c\u0443\u043c \u0434\u043e 2029 \u0433\u043e\u0434\u0430. \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u0447\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 x86_64, s390x (IBM System z), ppc64le \u0438 Aarch64, \u043d\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0434\u043b\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0442\u043e\u043b\u044c\u043a\u043e \u0437\u0430\u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c Red Hat Customer 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