{"id":79602,"date":"2020-04-28T19:42:23","date_gmt":"2020-04-28T19:42:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-distributiva-red-hat-enterprise-linux-8-2-2"},"modified":"2026-05-20T17:49:32","modified_gmt":"2026-05-20T17:49:32","slug":"reliz-distributiva-red-hat-enterprise-linux-8-2-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/reliz-distributiva-red-hat-enterprise-linux-8-2-2","title":{"rendered":"Vydanie distrib\u00facie Red Hat Enterprise Linux 8.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spolo\u010dnos\u0165 Red Hat <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/technologies\/linux-platforms\/enterprise-linux\">publikovala<\/a><\/noindex> distrib\u00facia <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/products\/red-hat-enterprise-linux\/\">Red Hat Enterprise Linux 8.2<\/a><\/noindex>. In\u0161tala\u010dn\u00e9 zostavy s\u00fa pripraven\u00e9 pre architekt\u00fary x86_64, s390x (IBM System z), ppc64le a Aarch64, ale  <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/downloads\/\">s\u00fa dostupn\u00e9<\/a><\/noindex> pre <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/technologies\/linux-platforms\/enterprise-linux\/try-it\">stiahnutie<\/a><\/noindex> iba registrovan\u00fdm pou\u017e\u00edvate\u013eom Red Hat Customer Portal. Zdrojov\u00e9 k\u00f3dy rpm bal\u00edkov Red Hat Enterprise Linux 8 s\u00fa distribuovan\u00e9 prostredn\u00edctvom <noindex><a rel=\"nofollow\" href=\"https:\/\/git.centos.org\/\">Git-repozit\u00e1r<\/a><\/noindex> CentOS. Vetva RHEL 8.x bude podporovan\u00e1 aspo\u0148 do roku 2029. <\/p>\n<p>P\u00f4vodne bol ozn\u00e1men\u00fd RHEL 8.2 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/about\/press-releases\/red-hat-delivers-force-multiplier-enterprise-it-enhanced-intelligent-monitoring-unveils-latest-version-red-hat-enterprise-linux-8\">bol zverejnen\u00fd<\/a><\/noindex> na str\u00e1nke Red Hat u\u017e 21. apr\u00edla, no vyhl\u00e1senie bolo pred\u010dasn\u00e9 a repozit\u00e1re pre in\u0161tal\u00e1ciu aktualiz\u00e1ci\u00ed e\u0161te <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/discussions\/4871161\">neboli pripraven\u00e9<\/a><\/noindex>, tak\u017ee vydanie sa uskuto\u010dnilo a\u017e dnes. Vetva 8.x sa vyv\u00edja v s\u00falade s nov\u00fdm predv\u00eddate\u013en\u00fdm cyklom v\u00fdvoja, ktor\u00fd zah\u0155\u0148a vytv\u00e1ranie vydan\u00ed ka\u017ed\u00fdch \u0161es\u0165 mesiacov v predom ur\u010denom \u010dase. Nov\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/support\/policy\/updates\/errata\/\">cyklus v\u00fdvoja<\/a><\/noindex> produktov RHEL pokr\u00fdva nieko\u013eko \u00farovn\u00ed, vr\u00e1tane Fedory ako v\u00fdchodiskovej platformy pre implement\u00e1ciu nov\u00fdch mo\u017enost\u00ed,  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51556\">CentOS Stream<\/a><\/noindex> pre pr\u00edstup k bal\u00edkom vytv\u00e1ran\u00fdm pre \u010fal\u0161ie medzimestsk\u00e9 vydanie RHEL (rolling variant RHEL), minimalistick\u00fd univerz\u00e1lny z\u00e1kladn\u00fd obraz (UBI, Universal Base Image) na sp\u00fa\u0161\u0165anie aplik\u00e1ci\u00ed v izolovan\u00fdch kontajneroch a  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51366\">RHEL Developer Subscription<\/a><\/noindex> na bezplatn\u00e9 pou\u017e\u00edvanie RHEL po\u010das v\u00fdvoja.<\/p>\n<p>K\u013e\u00fa\u010dov\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/documentation\/en-us\/red_hat_enterprise_linux\/8\/html-single\/8.2_release_notes\/index\">zmeny<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/blog\/whats-new-red-hat-enterprise-linux-82\">Bola zabezpe\u010den\u00e1<\/a><\/noindex> pln\u00e1 podpora spr\u00e1vy zdrojov pomocou jednotnej hierarchie <noindex><a rel=\"nofollow\" href=\"https:\/\/git.kernel.org\/cgit\/linux\/kernel\/git\/torvalds\/linux.git\/tree\/Documentation\/cgroup-v2.txt\">cgroups v2<\/a><\/noindex>, ktor\u00e1 bola predt\u00fdm v experiment\u00e1lnej f\u00e1ze. Cgroups v2 mo\u017eno pou\u017ei\u0165 napr\u00edklad na obmedzenie spotreby pam\u00e4te, CPU a vstupu\/v\u00fdstupu. K\u013e\u00fa\u010dov\u00fdm rozdielom medzi cgroups v2 a v1 je pou\u017eitie spolo\u010dnej hierarchie cgroup pre v\u0161etky druhy zdrojov, namiesto oddelen\u00fdch hierarchi\u00ed na rozde\u013eovanie CPU, regul\u00e1ciu spotreby pam\u00e4te a pre vstup\/v\u00fdstup. Oddelen\u00e9 hierarchi\u00e1 sp\u00f4sobovali \u0165a\u017ekosti pri organiz\u00e1cii interakcie medzi spr\u00e1vcami a dodato\u010dn\u00e9 n\u00e1roky na zdroje jadra pri pou\u017e\u00edvan\u00ed pravidiel pre proces, ktor\u00fd bol spom\u00ednan\u00fd v r\u00f4znych hierarchi\u00e1ch.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/blog\/converting-centos-rhel-convert2rhel-and-satellite\">Pridan\u00e9<\/a><\/noindex> n\u00e1stroj Convert2RHEL na konverziu na RHEL syst\u00e9mov, na ktor\u00fdch sa pou\u017e\u00edvaj\u00fa RHEL-podobn\u00e9 distrib\u00facie ako CentOS a Oracle Linux.\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 prisp\u00f4sobovania syst\u00e9mov\u00fdch polit\u00edk kryptografick\u00fdch subsyst\u00e9mov (crypto-policies), ktor\u00e9 pokr\u00fdvaj\u00fa protokoly TLS, IPSec, SSH, DNSSec a Kerberos. Administr\u00e1tor teraz m\u00f4\u017ee definova\u0165 vlastn\u00fa politiku alebo zmeni\u0165 ur\u010dit\u00e9 parametre existuj\u00facich. Pridan\u00e9 s\u00fa dva nov\u00e9 bal\u00edky setools-gui a setools-console-analyses na anal\u00fdzu polit\u00edk SELinux a in\u0161pekciu tokov d\u00e1t. Pridan\u00fd bezpe\u010dnostn\u00fd profil zodpovedaj\u00faci odpor\u00fa\u010daniam DISA STIG (Defense Information Systems Agency). Pridan\u00fd nov\u00fd n\u00e1stroj oscap-podman na skenovanie obsahu kontajnerov na pr\u00edtomnos\u0165 zranite\u013en\u00fdch verzi\u00ed softv\u00e9ru.\n<li class=\"l\"> V n\u00e1strojoch na spr\u00e1vu identifik\u00e1cie pribudla nov\u00e1 utilita Healthcheck, ktor\u00e1 umo\u017e\u0148uje odha\u013eova\u0165 probl\u00e9my v prostrediach IdM (Identity Management). Zabezpe\u010den\u00e1 podpora rol\u00ed a modulov Ansible na zjednodu\u0161enie in\u0161tal\u00e1cie a spr\u00e1vy IdM.\n<li class=\"l\"> Zmenilo sa rozlo\u017eenie webovej konzoly, ktor\u00e1 bola prepracovan\u00e1 tak, aby vyu\u017e\u00edvala rozhranie PatternFly 4, podobn\u00e9 dizajnu rozhrania OpenShift 4. Bol pridan\u00fd \u010dasov\u00fd limit neaktivity pou\u017e\u00edvate\u013ea, po ktorom sa rel\u00e1cia s webovou konzolou ukon\u010d\u00ed. Bola pridan\u00e1 podpora autentifik\u00e1cie pomocou klientsk\u00e9ho certifik\u00e1tu. Aktualizovali sa sekcie na spr\u00e1vu \u00falo\u017e\u00edsk a virtu\u00e1lnych strojov.\n<li class=\"l\"> Zmenen\u00e9 rozhranie prep\u00ednania virtu\u00e1lnych pracovn\u00fdch pl\u00f4ch v prostred\u00ed GNOME Classic, tla\u010didlo na prep\u00ednanie presunut\u00e9 do prav\u00e9ho doln\u00e9ho rohu a dizajnovan\u00e9 ako pruh s n\u00e1h\u013eadmi.\n<li class=\"l\"> Grafick\u00e1 subsyst\u00e9m DRM (Direct Rendering Manager) bol synchronizovan\u00fd s verziou jadra Linux 5.1. Aktualizovali sa grafick\u00e9 ovl\u00e1da\u010de, v ktor\u00fdch bola pridan\u00e1 podpora pre Intel Intel Comet Lake H a U (HD Graphics 610, 620, 630), Intel Ice Lake U (HD Graphics 910, Iris Plus Graphics 930, 940, 950), AMD Navi 10, Nvidia Turing TU116.\n<li class=\"l\"> Rel\u00e1cia GNOME na z\u00e1klade Wayland je predvolene zapnut\u00e1 pre syst\u00e9my s viacer\u00fdmi GPU (predt\u00fdm sa na syst\u00e9moch s hybridnou grafikou pou\u017e\u00edval X11).\n<li class=\"l\"> Bola pridan\u00e1 podpora nov\u00fdch parametrov jadra Linux s\u00favisiacich s riaden\u00edm aktiv\u00e1cie ochrany proti nov\u00fdm \u00fatokom na mechanizmus \u0161pekulat\u00edvneho vykon\u00e1vania CPU: mds, tsx, mitigations. Bol pridan\u00fd parameter<br \/>\nmem_encrypt na riadenie aktiv\u00e1cie roz\u0161\u00edren\u00ed AMD SME (Secure Memory Encryption). Bol pridan\u00fd parameter cpuidle.governor na v\u00fdber spr\u00e1vcovsk\u00e9ho stavu ne\u010dinnosti CPU (cpuidle governor). Bol pridan\u00fd parameter \/proc\/sys\/kernel\/panic_print na nastavenie inform\u00e1ci\u00ed, ktor\u00e9 sa zobrazuj\u00fa v pr\u00edpade p\u00e1du syst\u00e9mu (stav panic). Bol pridan\u00fd parameter<br \/>\n\/proc\/sys\/kernel\/threads-max \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u043f\u043e\u0442\u043e\u043a\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0436\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u044f fork(). \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 \/proc\/sys\/net\/bpf_jit_enable \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430  \u0434\u043b\u044f BPF.<\/p>\n<li class=\"l\"> Zmenen\u00fd algoritmus spustenia dnf-automatic.timer na vyvolanie procesu automatickej in\u0161tal\u00e1cie aktualiz\u00e1ci\u00ed. Namiesto pou\u017e\u00edvania monotonn\u00e9ho \u010dasova\u010da, ktor\u00fd vedie k aktiv\u00e1cii v nepravideln\u00fd \u010das po zaveden\u00ed, uveden\u00fd unit sa teraz sp\u00fa\u0161\u0165a medzi 6. a 7. hodinou r\u00e1no. Ak je v tejto dobe syst\u00e9m vypnut\u00fd, spustenie sa vykon\u00e1va do jednej hodiny po zapnut\u00ed.\n<li class=\"l\"> Do repozit\u00e1ra AppStream boli pridan\u00e9 moduly s nov\u00fdmi vetvami Python 3.8 (predt\u00fdm 3.6) a Maven 3.6. Aktualizovali sa bal\u00edky s GCC 9.2.1, Clang\/LLVM 9.0.1, Rust 1.41 a Go 1.13.\n<li class=\"l\"> Verzie bal\u00edkov powertop 2.11 (s podporou platforiem EHL, TGL, ICL\/ICX), opencv 3.4.6, tuned 2.13.0, rsyslog 8.1911.0, audit 3.0-0.14, fapolicyd 0.9.1-2, sudo 1.8.29-3.el8 sa aktualizovali.<br \/>\nfirewalld 0.8, tpm2-tools 3.2.1, mod_md (s podporou ACMEv2), grafana 6.3.6, pcp 5.0.2, elfutils 0.178, SystemTap 4.2, 389-ds-base 1.4.2.4,<br \/>\nsamba 4.11.2.<\/p>\n<li class=\"l\"> Boli pridan\u00e9 nov\u00e9 bal\u00edky whois, graphviz-python3 (distribuovan\u00e9 prostredn\u00edctvom ofici\u00e1lne nepodporovan\u00e9ho repozit\u00e1ra CRB (CodeReady Linux Builder)), perl-LDAP, perl-Convert-ASN1.\n<li class=\"l\"> DNS server BIND was updated to version 9.11.13 and transitioned to using the GeoIP2 location-based address binding database in libmaxminddb format instead of the deprecated GeoIP, which is no longer supported. The serve-stale (stale-answer) configuration was added, allowing stale DNS records to be returned if new ones cannot be obtained.\n<li class=\"l\"> The omhttp plugin was added to rsyslog for interaction through the HTTP REST interface.\n<li class=\"l\"> Changes corresponding to Linux kernel 5.5 have been migrated to the audit subsystem.\n<li class=\"l\"> The setroubleshoot plugin has been enhanced to support the analysis of access failures due to insufficient memory and automatic responses to address such issues.\n<li class=\"l\"> Users constrained by SELinux are now granted the ability to manage services related to their user session. The semanage tool has added support for evaluating and modifying SCTP and DCCP network ports (previously only TCP and UDP were supported). The SELinux services lvmdbusd (D-Bus API for LVM), lldpd, rrdcached, stratisd, and timedatex are now handled under their own domains.\n<li class=\"l\"> Firewalld has been transitioned to a JSON interface of libnftables when interacting with nftables, resulting in improved performance and reliability. Nftables now supports multidimensional types in IP sets, which can include unions and ranges. Connection tracking handlers for services running on non-standard network ports can now be utilized in firewalld rules.\n<li class=\"l\"> The kernel's tc (Traffic Control) subsystem now provides complete support<br \/>\nfor eBPF, allowing the tc utility to attach eBPF programs for packet classification and managing incoming and outgoing queues.<\/p>\n<li class=\"l\"> Stable support for certain eBPF subsystems has been implemented: the BCC (BPF Compiler Collection) toolkit and library for creating BPF tracing and debugging programs, alongside eBPF support in tc. Components bpftrace and eXpress Data Path (XDP) remain in Technology Preview stage.\n<li class=\"l\"> Real-time operation components (kernel-rt) have been synchronized with the patch set for kernel 5.2.21-rt13.\n<li class=\"l\"> The ability to run the rngd process (a daemon for feeding entropy to the pseudorandom number generator) without root privileges has been ensured.\n<li class=\"l\"> V LVM bola pridan\u00e1 podpora met\u00f3dy vyrovn\u00e1vacej pam\u00e4te dm-writecache ved\u013ea predt\u00fdm dostupnej dm-cache. Dm-cache vyrovn\u00e1va naj\u010dastej\u0161ie pou\u017e\u00edvan\u00e9 oper\u00e1cie z\u00e1pisu a \u010d\u00edtania, zatia\u013e \u010do dm-writecache vyrovn\u00e1va iba oper\u00e1cie z\u00e1pisu, ich umiestnen\u00edm najprv na r\u00fdchlych zariadeniach SSD alebo PMEM a n\u00e1sledn\u00fdm presunen\u00edm na pomal\u00fd disk na pozad\u00ed.\n<li class=\"l\"> V XFS bola pridan\u00e1 podpora re\u017eimu oneskoren\u00e9ho z\u00e1pisu (writeback), ktor\u00fd zoh\u013ead\u0148uje cgroup.\n<li class=\"l\"> V FUSE bola pridan\u00e1 podpora oper\u00e1cie copy_file_range(), ktor\u00e1 umo\u017e\u0148uje zr\u00fdchli\u0165 kop\u00edrovanie \u00fadajov z jedn\u00e9ho s\u00faboru do druh\u00e9ho, a to vykonan\u00edm oper\u00e1cie iba na strane jadra bez predch\u00e1dzaj\u00faceho \u010d\u00edtania \u00fadajov do pam\u00e4te procesu. Optimaliz\u00e1cia je dobre vidite\u013en\u00e1 v GlusterFS.\n<li class=\"l\"> Do dynamick\u00e9ho kompil\u00e1tora bola pridan\u00e1 mo\u017enos\u0165 &#171;&#8212;preload&#187;, ktor\u00e1 umo\u017e\u0148uje explicitne ur\u010di\u0165 kni\u017enice na n\u00faten\u00e9 na\u010d\u00edtanie s aplik\u00e1ciou. T\u00e1to mo\u017enos\u0165 umo\u017e\u0148uje ob\u00eds\u0165 pou\u017e\u00edvanie premennej prostredia LD_PRELOAD, ktor\u00e1 sa ded\u00ed podriaden\u00fdmi procesmi.\n<li class=\"l\"> V hyperv\u00edzore KVM bola implementovan\u00e1 \u00fapln\u00e1 podpora vnoren\u00e9ho sp\u00fa\u0161\u0165ania virtu\u00e1lnych strojov.\n<li class=\"l\"> Pridali sa nov\u00e9 ovl\u00e1da\u010de, vr\u00e1tane<br \/>\n     gVNIC, Broadcom UniMAC MDIO, Software iWARP, DRM VRAM, cpuidle-haltpoll, stm_ftrace, stm_console,<br \/>\n    Intel Trace Hub, PMEM DAX,<br \/>\n    Intel PMC Core,<br \/>\n    Intel RAPL,<br \/>\n    Intel Runtime Average Power Limit (RAPL).<\/p>\n<li class=\"l\"> Boli ozna\u010den\u00e9 za zastaran\u00e9 DSA, TLS 1.0 a TLS 1.1, ktor\u00e9 s\u00fa predvolene vypnut\u00e9 a s\u00fa dostupn\u00e9 iba v sade LEGACY.\n<li class=\"l\"> Bola zabezpe\u010den\u00e1 experiment\u00e1lna (Technology Preview) podpora nmstate, AF_XDP, XDP, KTLS, dracut, kexec r\u00fdchly re\u0161tart, eBPF, libbpf, igc, NVMe over TCP\/IP, DAX v ext4 a xfs, OverlayFS, Stratis, DNSSEC, GNOME na syst\u00e9moch ARM, AMD SEV pre KVM, Intel vGPU.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52820\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Red Hat \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432 Red Hat Enterprise Linux 8.2. \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 Portal. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b rpm-\u043f\u0430\u043a\u0435\u0442\u043e\u0432 Red Hat Enterprise Linux 8 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 Git-\u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439 CentOS. \u0412\u0435\u0442\u043a\u0430 RHEL 8.x \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 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