{"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\/ro\/blog\/news\/reliz-distributiva-red-hat-enterprise-linux-8-2-2","title":{"rendered":"Lansarea distribu\u021biei Red Hat Enterprise Linux 8.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Compania Red Hat <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/technologies\/linux-platforms\/enterprise-linux\">a publicat<\/a><\/noindex> distribu\u021bie <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/products\/red-hat-enterprise-linux\/\">Red Hat Enterprise Linux 8.2<\/a><\/noindex>. Versiunile de instalare sunt preg\u0103tite pentru arhitecturile x86_64, s390x (IBM System z), ppc64le \u0219i Aarch64, dar  <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/downloads\/\">sunt disponibile<\/a><\/noindex> pentru <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/technologies\/linux-platforms\/enterprise-linux\/try-it\">desc\u0103rcare<\/a><\/noindex> numai pentru utilizatorii \u00eenregistra\u021bi ai Red Hat Customer Portal. Sursele pachetelor rpm pentru Red Hat Enterprise Linux 8 sunt disponibile prin <noindex><a rel=\"nofollow\" href=\"https:\/\/git.centos.org\/\">repozitoriul Git<\/a><\/noindex> CentOS. Ramura RHEL 8.x va fi sus\u021binut\u0103 cel pu\u021bin p\u00e2n\u0103 \u00een 2029. <\/p>\n<p>Ini\u021bial, anun\u021bul RHEL 8.2 a fost <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\">publicat<\/a><\/noindex> pe site-ul Red Hat \u00eenc\u0103 din 21 aprilie, \u00eens\u0103 declara\u021bia a fost f\u0103cut\u0103 prematur \u0219i repository-urile pentru instalarea actualiz\u0103rilor \u00eenc\u0103 <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/discussions\/4871161\">nu erau preg\u0103tite<\/a><\/noindex>, iar, de fapt, lansarea a avut loc abia ast\u0103zi. Ramura 8.x se dezvolt\u0103 conform unui nou ciclu predictibil de dezvoltare, care implic\u0103 formarea de lans\u0103ri la fiecare \u0219ase luni, \u00eentr-un timp prestabilit. Nou <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/support\/policy\/updates\/errata\/\">dezvoltare de 4-5 s\u0103pt\u0103m\u00e2ni<\/a><\/noindex> al produselor RHEL acoper\u0103 mai multe niveluri, inclusiv Fedora ca platform\u0103 pentru implementarea de noi capabilit\u0103\u021bi,  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51556\">CentOS Stream<\/a><\/noindex> pentru accesul pachetelor, formate pentru urm\u0103toarea versiune intermediar\u0103 RHEL (varianta rolling RHEL), imagine de baz\u0103 universal\u0103 minimalist\u0103 (UBI, Universal Base Image) pentru rularea aplica\u021biilor \u00een containere izolate \u0219i  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51366\">Abonamentul RHEL Developer<\/a><\/noindex> pentru utilizarea gratuit\u0103 a RHEL \u00een procesul de dezvoltare.<\/p>\n<p>Principalele <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/documentation\/en-us\/red_hat_enterprise_linux\/8\/html-single\/8.2_release_notes\/index\">modific\u0103ri<\/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\">Asigurat\u0103<\/a><\/noindex> suport complet pentru gestionarea resurselor printr-o ierarhie unificat\u0103 <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>, care anterior se afla \u00een stadiul de func\u021bionalitate experimental\u0103. Cgroups v2 pot fi utilizate, de exemplu, pentru limitarea consumului de memorie, resurse CPU \u0219i input\/output. Principala diferen\u021b\u0103 \u00eentre cgroups v2 \u0219i v1 este utilizarea unei ierarhii comune cgroup pentru toate tipurile de resurse, \u00een loc de ierarhii separate pentru distribu\u021bia resurselor CPU, pentru reglementarea consumului de memorie \u0219i pentru input\/output. Ierarhiile separate duceau la dificult\u0103\u021bi \u00een organizarea interac\u021biunii \u00eentre handleri \u0219i la costuri suplimentare de resurse pentru kernel atunci c\u00e2nd se aplicau reguli pentru un proces men\u021bionat \u00een diferite ierarhii.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/blog\/converting-centos-rhel-convert2rhel-and-satellite\">Ad\u0103ugat<\/a><\/noindex> instrumentul Convert2RHEL pentru convertirea sistemelor care folosesc distribu\u021bii de tip RHEL, cum ar fi CentOS \u0219i Oracle Linux.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 posibilitatea personaliz\u0103rii politicilor general-sistemice ale subsistemelor criptografice (crypto-policies), care acoper\u0103 protocoalele TLS, IPSec, SSH, DNSSec \u0219i Kerberos. Administratoarea poate acum s\u0103 defineasc\u0103 propria politic\u0103 sau s\u0103 modifice anumite parametrii ai celor existente. Au fost ad\u0103ugate dou\u0103 noi pachete setools-gui \u0219i setools-console-analyses pentru analiza politicilor SELinux \u0219i inspectarea fluxurilor de date. A fost ad\u0103ugat\u0103 un profil de securitate conform recomand\u0103rilor DISA STIG (Defense Information Systems Agency). A fost ad\u0103ugat\u0103 o nou\u0103 utilitate oscap-podman pentru scanarea con\u021binutului containerelor \u00een vederea utiliz\u0103rii versiunilor vulnerabile ale programelor.\n<li class=\"l\"> \u00cen instrumentele de gestionare a identific\u0103rii a fost introdus un nou utilitar Healthcheck, care permite identificarea problemelor \u00een mediile IdM (Identity Management). Este asigurat\u0103 suportul pentru rolurile \u0219i modulele Ansible pentru a simplifica instalarea \u0219i gestionarea IdM.\n<li class=\"l\"> A fost modificat designul consolei web, care a fost adaptat\u0103 pentru a utiliza interfa\u021ba PatternFly 4, similar\u0103 ca design cu interfa\u021ba OpenShift 4. A fost ad\u0103ugat un timeout de inactivitate a utilizatorului, dup\u0103 care sesiunea cu consola web se \u00eencheie. A fost ad\u0103ugat suport pentru autentificarea utiliz\u00e2nd un certificat client. Au fost actualizate sec\u021biunile pentru gestionarea stoc\u0103rilor \u0219i ma\u0219inilor virtuale.\n<li class=\"l\"> Interfa\u021ba de comutare a desktop-urilor virtuale \u00een mediu GNOME Classic a fost modificat\u0103, butonul de comutare fiind mutat \u00een col\u021bul din dreapta jos \u0219i a fost conceput sub form\u0103 de band\u0103 cu miniaturi.\n<li class=\"l\"> Sub-sistemul grafic DRM (Direct Rendering Manager) a fost sincronizat cu versiunea kernel-ului Linux 5.1. Au fost actualizate driverele grafice, care acum suport\u0103 Intel Comet Lake H \u0219i 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\"> Sesiunea GNOME bazat\u0103 pe Wayland este activat\u0103 implicit pentru sistemele cu GPU multiple (anterior, pe sistemele cu grafic\u0103 hibrid\u0103, era folosit X11).\n<li class=\"l\"> A fost ad\u0103ugat suport pentru noi parametri ai kernel-ului Linux, legate de gestionarea activ\u0103rii protec\u021biei \u00eempotriva unor noi atacuri asupra mecanismului de execu\u021bie speculativ\u0103 a CPU: mds, tsx, mitigations. A fost ad\u0103ugat parametrul<br \/>\nmem_encrypt pentru gestionarea activ\u0103rii extensiilor AMD SME (Secure Memory Encryption). A fost ad\u0103ugat parametrul cpuidle.governor pentru alegerea handler-ului st\u0103rii de inactivitate a CPU (cpuidle governor). A fost ad\u0103ugat parametrul \/proc\/sys\/kernel\/panic_print pentru configurarea informa\u021biilor afi\u015fate \u00een cazul unei erori de sistem (starea panic). A fost ad\u0103ugat parametrul<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\"> Algoritmul de activare al dnf-automatic.timer a fost modificat pentru a apela procesul de instalare automat\u0103 a actualiz\u0103rilor. \u00cen loc s\u0103 foloseasc\u0103 un timer monotonic, care duce la activ\u0103ri nea\u0219teptate dup\u0103 boot, unitatea specificat\u0103 este acum activat\u0103 \u00eentre 6 \u0219i 7 diminea\u021ba. Dac\u0103 la acea or\u0103 sistemul este oprit, dar pornirea se face \u00een decursul unei ore dup\u0103 activare.\n<li class=\"l\"> \u00cen depozitul AppStream au fost ad\u0103ugate module cu noi ramuri Python 3.8 (fost 3.6) \u0219i Maven 3.6. Pachetele cu GCC 9.2.1, Clang\/LLVM 9.0.1, Rust 1.41 \u0219i Go 1.13 au fost actualizate.\n<li class=\"l\"> Versiunile pachetelor powertop 2.11 (cu suport pentru platformele 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 au fost actualizate.<br \/>\nfirewalld 0.8, tpm2-tools 3.2.1, mod_md (cu suport pentru 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\"> Au fost ad\u0103ugate pachete noi whois, graphviz-python3 (distribuit printr-un depozit oficial nesuportat, CRB (CodeReady Linux Builder)), perl-LDAP, perl-Convert-ASN1.\n<li class=\"l\"> Serverul DNS BIND a fost actualizat la versiunea 9.11.13 \u0219i a fost trecut la utilizarea bazei de leg\u0103turi de adres\u0103 la loca\u021bie GeoIP2 \u00een format libmaxminddb, \u00eenlocuind vechea GeoIP, care acum nu mai este suportat\u0103. A fost ad\u0103ugat\u0103 setarea serve-stale (stale-answer), care permite returnarea \u00eenregistr\u0103rilor DNS \u00eenvechite dac\u0103 nu este posibil s\u0103 se ob\u021bin\u0103 unele noi.\n<li class=\"l\"> \u00cen rsyslog a fost ad\u0103ugat pluginul omhttp pentru interac\u021biunea prin intermediul interfe\u021bei HTTP REST.\n<li class=\"l\"> Modific\u0103rile corespunz\u0103toare nucleului Linux 5.5 au fost transferate \u00een subsistemul de audit.\n<li class=\"l\"> Pluginul setroubleshoot a fost extins pentru a sprijini analiza erorilor de acces din cauza lipsei de memorie \u0219i reac\u021bia automat\u0103 pentru a remedia astfel de probleme.\n<li class=\"l\"> Utilizatorii restric\u021biona\u021bi prin SELinux au primit posibilitatea de a gestiona serviciile legate de sesiunea utilizatorului. \u00cen semanage a fost ad\u0103ugat suport pentru evaluarea \u0219i modificarea porturilor de re\u021bea SCTP \u0219i DCCP (anterior erau suportate TCP \u0219i UDP). A fost asigurat\u0103 gestionarea sub domeniile SELinux pentru serviciile lvmdbusd (API D-Bus pentru LVM), lldpd, rrdcached, stratisd, timedatex.\n<li class=\"l\"> Firewalld a fost transferat la interfa\u021ba JSON libnftables pentru interac\u021biunea cu nftables, ceea ce a dus la cre\u0219terea performan\u021bei \u0219i fiabilit\u0103\u021bii. \u00cen nftables a fost ad\u0103ugat suport pentru tipuri multidimensionale \u00een IP set, care pot include uniri \u0219i intervale. \u00cen regulile pentru firewalld acum se pot folosi gestionari pentru urm\u0103rirea conexiunilor pentru serviciile care func\u021bioneaz\u0103 pe porturi de re\u021bea non-standard.\n<li class=\"l\"> \u00cen subsistemul kernel tc (Traffic Control) a fost asigurat\u0103 suportul complet<br \/>\neBPF, permi\u021b\u00e2nd utilizarea utilitarului tc pentru ata\u0219area programelor eBPF pentru clasificarea pachetelor \u0219i gestionarea cozilor de intrare \u0219i ie\u0219ire.<\/p>\n<li class=\"l\"> A fost implementat suport stabil pentru unele subsisteme eBPF: instrumentarul \u0219i biblioteca BCC (BPF Compiler Collection) pentru crearea programelor BPF pentru depanare \u0219i trasare, suport pentru eBPF \u00een tc. Componenta bpftrace \u0219i eXpress Data Path (XDP) r\u0103m\u00e2n \u00een stadiul Technology Preview.\n<li class=\"l\"> Componentele pentru func\u021bionarea \u00een timp real (kernel-rt) au fost sincronizate cu setul de patch-uri pentru kernel 5.2.21-rt13.\n<li class=\"l\"> Este asigurat\u0103 posibilitatea de a rula procesul rngd (demon pentru alimentarea cu entropie a generatorului de numere pseudo-aleatorii) f\u0103r\u0103 drepturi de root.\n<li class=\"l\"> \u00cen LVM a fost ad\u0103ugat\u0103 suportul pentru metoda de caching dm-writecache, pe l\u00e2ng\u0103 dm-cache, care era deja disponibil. Dm-cache cacheaz\u0103 cele mai frecvent utilizate opera\u021bii de scriere \u0219i citire, iar dm-writecache doar opera\u021biile de scriere, prin plasarea acestora ini\u021bial pe medii rapide SSD sau PMEM, cu transferul ulterior pe un disc lent \u00een fundal.\n<li class=\"l\"> \u00cen XFS a fost ad\u0103ugat suportul pentru modul de scriere \u00eent\u00e2rziat\u0103 (writeback), care \u021bine cont de cgroup.\n<li class=\"l\"> \u00cen FUSE a fost ad\u0103ugat suportul pentru opera\u021bia copy_file_range(), care permite accelerarea copiei de date dintr-un fi\u0219ier \u00een altul, datorit\u0103 execut\u0103rii opera\u021biei doar pe partea kernel-ului f\u0103r\u0103 a citi datele \u00een prealabil \u00een memoria procesului. Optimizarea este bine observabil\u0103 \u00een GlusterFS.\n<li class=\"l\"> \u00cen compilatorul dinamic a fost ad\u0103ugat\u0103 op\u021biunea &#171;&#8212;preload&#187;, care permite specificarea explicit\u0103 a bibliotecilor pentru \u00eenc\u0103rcarea for\u021bat\u0103 \u00eempreun\u0103 cu aplica\u021bia. Op\u021biunea ofer\u0103 posibilitatea de a evita utilizarea variabilei de mediu LD_PRELOAD, care este mo\u0219tenit\u0103 de procesele fiice.\n<li class=\"l\"> \u00cen hypervisorul KVM a fost implementat suport complet pentru rularea \u00eenchis\u0103 a ma\u0219inilor virtuale.\n<li class=\"l\"> Au fost ad\u0103ugate noi drivere, inclusiv<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    Limit\u0103 medie de putere de execu\u021bie Intel (RAPL).<\/p>\n<li class=\"l\"> Au fost declarate \u00eenvechite DSA, TLS 1.0 \u0219i TLS 1.1, care sunt dezactivate din start \u0219i disponibile doar \u00een setul LEGACY.\n<li class=\"l\"> Este asigurat suport experimental (Preview Tehnologic) pentru nmstate, AF_XDP, XDP, KTLS, dracut, kexec fast reboot, eBPF, libbpf, igc, NVMe over TCP\/IP, DAX \u00een ext4 \u0219i xfs, OverlayFS, Stratis, DNSSEC, GNOME pe sistemele ARM, AMD SEV pentru KVM, Intel vGPU.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52820\">opennet.ro<\/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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