{"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\/lv\/blog\/news\/reliz-distributiva-red-hat-enterprise-linux-8-2-2","title":{"rendered":"Red Hat Enterprise Linux 8.2 izn\u0101k\u0161ana","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Red Hat uz\u0146\u0113mums <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/technologies\/linux-platforms\/enterprise-linux\">ir public\u0113jis<\/a><\/noindex> distrib\u016bcija <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/products\/red-hat-enterprise-linux\/\">Red Hat Enterprise Linux 8.2<\/a><\/noindex>. Instal\u0101cijas komplekti ir sagatavoti x86_64, s390x (IBM System z), ppc64le un Aarch64 arhitekt\u016br\u0101m, bet  <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/downloads\/\">pieejami<\/a><\/noindex> lai <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/technologies\/linux-platforms\/enterprise-linux\/try-it\">lejupl\u0101d\u0113tu<\/a><\/noindex> tikai re\u0123istr\u0113tiem lietot\u0101jiem Red Hat Customer Portal. Red Hat Enterprise Linux 8 avota kodi tiek izplat\u012bti caur <noindex><a rel=\"nofollow\" href=\"https:\/\/git.centos.org\/\">Git repozitorijs<\/a><\/noindex> CentOS. RHEL 8.x zars tiks atbalst\u012bts vismaz l\u012bdz 2029. gadam. <\/p>\n<p>S\u0101kotn\u0113ji RHEL 8.2 tika pazi\u0146ots <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\">public\u0113ts<\/a><\/noindex> Red Hat m\u0101jaslap\u0101 jau 21. apr\u012bl\u012b, ta\u010du pazi\u0146ojums tika izdar\u012bts p\u0101r\u0101k agri, un atjaunin\u0101\u0161anas instal\u0113\u0161anai paredz\u0113t\u0101s kr\u0101tuves v\u0113l <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/discussions\/4871161\">nebija gatavas<\/a><\/noindex>, un faktiski izn\u0101k\u0161ana notika tikai \u0161odien. 8.x fili\u0101le att\u012bst\u0101s saska\u0146\u0101 ar jauno paredzamo izstr\u0101des ciklu, kas paredz izn\u0101kumu veido\u0161anu reizi se\u0161os m\u0113ne\u0161os iepriek\u0161 noteikt\u0101 laik\u0101. Jauns <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/support\/policy\/updates\/errata\/\">izstr\u0101des cikls<\/a><\/noindex> RHEL produktu attiec\u012bbas aptver vair\u0101kus l\u012bme\u0146us, tostarp Fedora k\u0101 pamatu jaunu iesp\u0113ju \u012bsteno\u0161anai,  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51556\">CentOS Stream<\/a><\/noindex> piek\u013cuvei pakotn\u0113m, kuras tiek veidotas n\u0101kamajam starpposma izlaidumam RHEL (rolling versija RHEL), minim\u0101listisks univers\u0101ls pamatatt\u0113ls (UBI, Universal Base Image) lietojumprogrammu palai\u0161anai izol\u0113tos konteinieros un  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51366\">RHEL izstr\u0101d\u0101t\u0101ja abonements<\/a><\/noindex> bezmaksas RHEL izmanto\u0161anai izstr\u0101des proces\u0101.<\/p>\n<p>Galvenie <noindex><a rel=\"nofollow\" href=\"https:\/\/access.redhat.com\/documentation\/en-us\/red_hat_enterprise_linux\/8\/html-single\/8.2_release_notes\/index\">izmai\u0146as<\/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\">Nodro\u0161in\u0101ta<\/a><\/noindex> pilnv\u0113rt\u012bga resursu p\u0101rvald\u012bbas atbalsta nodro\u0161in\u0101\u0161ana, izmantojot vienotu hierarhiju <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>, kas iepriek\u0161 bija eksperiment\u0101l\u0101 iesp\u0113ja. Cgroups v2 var izmantot, piem\u0113ram, lai ierobe\u017eotu atmi\u0146as pat\u0113ri\u0146u, CPU resursus un I\/O. Galven\u0101 at\u0161\u0137ir\u012bba cgroups v2 no v1 ir visp\u0101r\u0113jas cgroup hierarhijas izmanto\u0161ana visiem resursu veidiem, nevis atsevi\u0161\u0137\u0101m hierarhij\u0101m CPU resursu sadalei, atmi\u0146as pat\u0113ri\u0146a regul\u0113\u0161anai un I\/O. Atsevi\u0161\u0137as hierarhijas rad\u012bja gr\u016bt\u012bbas, organiz\u0113jot sadarb\u012bbu starp apstr\u0101d\u0101t\u0101jiem un veica papildu kodola resursu izmaksas, piem\u0113rojot noteikumus procesiem, kas min\u0113ti da\u017e\u0101d\u0101s hierarhij\u0101s.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.redhat.com\/en\/blog\/converting-centos-rhel-convert2rhel-and-satellite\">Pievienots<\/a><\/noindex> Convert2RHEL r\u012bks, lai p\u0101rveidotu RHEL sist\u0113mas, kur\u0101s tiek izmantoti RHEL l\u012bdz\u012bgi distrib\u016bcijas, piem\u0113ram, CentOS un Oracle Linux.\n<li class=\"l\"> Pievienota iesp\u0113ja piel\u0101got visp\u0101r\u0113j\u0101s sist\u0113mas kriptogr\u0101fisko politiku (crypto-policies), kas aptver TLS, IPSec, SSH, DNSSec un Kerberos protokolus. Administrators tagad var defin\u0113t savu politiku vai main\u012bt eso\u0161o, noteiktus parametrus. Pievienoti divi jauni pakotnes setools-gui un setools-console-analyses SELinux politiku anal\u012bzei un datu pl\u016bsmu p\u0101rbaudei. Pievienots dro\u0161\u012bbas profils, kas atbilst DISA STIG (Aizsardz\u012bbas inform\u0101cijas sist\u0113mu a\u0123ent\u016bras) ieteikumiem. Pievienots jauns r\u012bks oscap-podman, lai sken\u0113tu konteineru saturu, p\u0101rbaudot, vai nav izmantotas neaizsarg\u0101tas programmat\u016bras versijas.\n<li class=\"l\"> Identit\u0101tes p\u0101rvald\u012bbas r\u012bku komplekt\u0101 ir pievienots jauns Healthcheck pal\u012bgr\u012bks, kas pal\u012bdz atkl\u0101t probl\u0113mas IdM (Identit\u0101tes p\u0101rvald\u012bba) vid\u0113s. Ir nodro\u0161in\u0101ta Ansible lomu un modu\u013cu atbalsts, lai vienk\u0101r\u0161otu IdM uzst\u0101d\u012b\u0161anu un p\u0101rvald\u012bbu.\n<li class=\"l\"> Tika main\u012bta t\u012bmek\u013ca konsoles noform\u0113jums, kas ir p\u0101rg\u0101jusi uz PatternFly 4 interfeisu, l\u012bdz\u012bgu OpenShift 4 interfeisa dizainam. Ir pievienots lietot\u0101ja neaktivit\u0101tes laika limits, p\u0113c kura sesija ar t\u012bmek\u013ca konsoli tiek p\u0101rtraukta. Tika pievienota klienta sertifik\u0101ta autentifik\u0101cijas atbalsts. Tika atjaunoti sada\u013cas, kas saist\u012btas ar kr\u0101tuves un virtu\u0101lo ma\u0161\u012bnu p\u0101rvald\u012bbu.\n<li class=\"l\"> Tika main\u012bts virtu\u0101lo darba galdu p\u0101rl\u0113k\u0161anas interfeiss GNOME Classic vid\u0113, p\u0101rl\u0113k\u0161anas poga tika p\u0101rvietota uz apak\u0161\u0113jo labo st\u016bri un noform\u0113ta k\u0101 josla ar miniati\u016br\u0101m.\n<li class=\"l\"> Grafisk\u0101 sist\u0113ma DRM (Direct Rendering Manager) ir sinhroniz\u0113ta ar Linux kodola versiju 5.1. Tika atjaunoti grafiskie draiveri, kuriem pievienots atbalsts Intel Intel Comet Lake H un U (HD Graphics 610, 620, 630), Intel Ice Lake U (HD Graphics 910, Iris Plus Graphics 930, 940, 950), AMD Navi 10 un Nvidia Turing TU116.\n<li class=\"l\"> GNOME sesija, kas balst\u012bta uz Wayland, p\u0113c noklus\u0113juma ir iesl\u0113gta vair\u0101ku GPU sist\u0113m\u0101s (iepriek\u0161 hibr\u012bdgrafikas sist\u0113m\u0101s tika izmantots X11).\n<li class=\"l\"> Tika pievienots atbalsts jauniem Linux kodola parametriem, kas saist\u012bti ar aizsardz\u012bbas pret jauniem uzbrukumiem meh\u0101nismu spekulat\u012bv\u0101s izpildes CPU iek\u013cau\u0161anu: mds, tsx, mitigations. Tika pievienots parametrs.<br \/>\nmem_encrypt, lai p\u0101rvald\u012btu AMD SME (Secure Memory Encryption) papla\u0161in\u0101jumu iesl\u0113g\u0161anu. Tika pievienots parametrs cpuidle.governor, lai izv\u0113l\u0113tos CPU darba st\u0101vok\u013ca (cpuidle governor) apstr\u0101d\u0101t\u0101ju. Tika pievienots parametrs \/proc\/sys\/kernel\/panic_print, lai konfigur\u0113tu inform\u0101ciju, kas tiek izvad\u012bta sist\u0113mas av\u0101rijas gad\u012bjum\u0101 (panic st\u0101vokl\u012b). Tika pievienots parametrs.<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\"> dnf-automatic.timer iedarbin\u0101\u0161anas algoritms tika main\u012bts, lai izsauktu autom\u0101tisko atjaunin\u0101jumu instal\u0113\u0161anas procesu. T\u0101 viet\u0101, lai izmantotu monotono taimeru, kas aktiviz\u0113jas neparedzam\u0101 laik\u0101 p\u0113c palai\u0161anas, nor\u0101d\u012btais vien\u012bba tagad tiek palaista laik\u0101 no se\u0161iem l\u012bdz septi\u0146iem no r\u012bta. Ja \u0161aj\u0101 laik\u0101 sist\u0113ma ir izsl\u0113gta, bet palai\u0161ana notiek stundu p\u0113c iesl\u0113g\u0161anas.\n<li class=\"l\"> AppStream kr\u0101tuv\u0113 ir pievienoti modu\u013ci ar jaun\u0101m Python 3.8 (bija 3.6) un Maven 3.6 versij\u0101m. Tika atjaunoti pakotnes ar GCC 9.2.1, Clang\/LLVM 9.0.1, Rust 1.41 un Go 1.13.\n<li class=\"l\"> Atjaunotas pakot\u0146u versijas powertop 2.11 (ar atbalstu platform\u0101m 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,<br \/>\nfirewalld 0.8, tpm2-tools 3.2.1, mod_md (ar ACMEv2 atbalstu), 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\"> Pievienotas jaunas pakotnes whois, graphviz-python3 (izplat\u012bts caur ofici\u0101li neatbalst\u012btu CRB (CodeReady Linux Builder) repozitoriju), perl-LDAP, perl-Convert-ASN1.\n<li class=\"l\"> DNS serveris BIND atjaunin\u0101ts l\u012bdz versijai 9.11.13 un p\u0101rcelts uz GeoIP2 atra\u0161an\u0101s vietas adreses sasaistes b\u0101zi libmaxminddb form\u0101t\u0101, aizvietojot novecoju\u0161o GeoIP, kas vairs netiek atbalst\u012bts. Pievienota serve-stale (stale-answer) iestat\u012bjuma opcija, kas \u013cauj atgriezt novecoju\u0161us DNS ierakstus, ja jauniem nav iesp\u0113jams piek\u013c\u016bt.\n<li class=\"l\"> Rsyslog pievienots omhttp spraudnis interakcijai caur HTTP REST saskarni.\n<li class=\"l\"> Uz audita apak\u0161sist\u0113mu p\u0101rnesti main\u012bgie, kas atbilst Linux 5.5 kodolam.\n<li class=\"l\"> Setroubleshoot spraudn\u012b pievienots atbalsts piek\u013cuves k\u013c\u016bdu anal\u012bzei d\u0113\u013c atmi\u0146as tr\u016bkuma un autom\u0101tiskai reakcijai, lai nov\u0113rstu t\u0101das probl\u0113mas.\n<li class=\"l\"> Lietot\u0101jiem, kuriem ir ierobe\u017eojumi ar SELinux, sniegta iesp\u0113ja p\u0101rvald\u012bt pakalpojumus, kas saist\u012bti ar lietot\u0101ja sesiju. Semanage pievienota atbalsta funkcionalit\u0101te nov\u0113rt\u0113\u0161anai un SCTP un DCCP t\u012bkla portu mai\u0146ai (iepriek\u0161 atbalst\u012bja tikai TCP un UDP). Nodro\u0161in\u0101ta apstr\u0101de ar saviem SELinux dom\u0113niem lvmdbusd (D-Bus API LVM), lldpd, rrdcached, stratisd, timedatex.\n<li class=\"l\"> Firewalld p\u0101rcelts uz JSON interfeisu libnftables, sadarbojoties ar nftables, kas ir palielin\u0101jis veiktsp\u0113ju un uzticam\u012bbu. Nftables pievienots atbalsts daudzdimensiju veidiem IP set, kas var ietvert apvienojumus un interv\u0101lus. Firewalld noteikumos tagad ir iesp\u0113jams izmantot p\u0101rvaldniekus savienojumu uzraudz\u012bbai pakalpojumiem, kas darbojas neparastos t\u012bkla portos.\n<li class=\"l\"> Kodol\u0101 tc (Traffic Control) nodro\u0161in\u0101ta piln\u012bga atbalsta pieejam\u012bba<br \/>\neBPF, kas \u013cauj izmantot utlit\u0101tu tc eBPF programmu pievieno\u0161anai, lai klasific\u0113tu paketes un apstr\u0101d\u0101tu ien\u0101ko\u0161\u0101s un izejo\u0161\u0101s rindas.<\/p>\n<li class=\"l\"> Stabils atbalsts da\u017e\u0101m eBPF apak\u0161sist\u0113m\u0101m: r\u012bkkopa un bibliot\u0113ka BCC (BPF Compiler Collection) BPF programmu izstr\u0101d\u012b\u0161anai un debugg\u0113\u0161anai, eBPF atbalsts tc. Tehnolo\u0123iju priek\u0161skat\u012bjum\u0101 paliek komponenti bpftrace un eXpress Data Path (XDP).\n<li class=\"l\"> Komponenti re\u0101l\u0101 laika modu\u013ca (kernel-rt) saska\u0146oti ar 5.2.21-rt13 kodola patch komplektu.\n<li class=\"l\"> Ir iesp\u0113jams palaist rngd procesu (demonu, lai papildin\u0101tu entropiju pseidoizlases skait\u013cu \u0123eneratoram) bez root ties\u012bb\u0101m.\n<li class=\"l\"> LVM ir pievienota atbalsts dm-writecache ke\u0161\u0113\u0161anas metodei papildus jau pieejamai dm-cache. Dm-cache ke\u0161\u0113 visbie\u017e\u0101k izmantot\u0101s rakst\u012b\u0161anas un las\u012b\u0161anas oper\u0101cijas, bet dm-writecache ke\u0161\u0113 tikai rakst\u012b\u0161anas oper\u0101cijas, novietojot t\u0101s vispirms \u0101trajos SSD vai PMEM, ar turpm\u0101ku p\u0101rvieto\u0161anu fon\u0101 uz l\u0113nu disku.\n<li class=\"l\"> XFS ir pievienots atbalsts atliekam\u0101s rakst\u012b\u0161anas re\u017e\u012bmam (writeback), kas \u0146em v\u0113r\u0101 cgroup.\n<li class=\"l\"> FUSE ir pievienots atbalsts copy_file_range() oper\u0101cijai, kas \u013cauj pa\u0101trin\u0101t datu kop\u0113\u0161anu no viena faila uz otru, liekot oper\u0101ciju izpild\u012bt tikai kodola pus\u0113, neizlasot datus iepriek\u0161 procesora atmi\u0146\u0101. Optimiz\u0101cija ir labi redzama GlusterFS.\n<li class=\"l\"> Dinamiskaj\u0101 kompoz\u012bcij\u0101 ir pievienota opcija \u00ab\u2014preload\u00bb, kas \u013cauj skaidri nor\u0101d\u012bt bibliot\u0113kas, kas j\u0101iel\u0101d\u0113 kop\u0101 ar lietojumprogrammu. Opcija sniedz iesp\u0113ju iztikt bez vides main\u012bg\u0101 LD_PRELOAD, kuru manto apak\u0161procesi.\n<li class=\"l\"> KVM hipervizor\u0101 ir piln\u012bb\u0101 \u012bstenota iegulto virtu\u0101lo ma\u0161\u012bnu palai\u0161ana.\n<li class=\"l\"> Pievienoti jauni draiveri, tostarp<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\"> Atz\u012bti par novecoju\u0161iem DSA, TLS 1.0 un TLS 1.1, kuri ir izsl\u0113gti p\u0113c noklus\u0113juma un pieejami tikai LEGACY komplekt\u0101.\n<li class=\"l\"> Pied\u0101v\u0101ta eksperiment\u0101la (Technology Preview) atbalsta snieg\u0161ana nmstate, AF_XDP, XDP, KTLS, dracut, kexec \u0101trais restart\u0113\u0161ana, eBPF, libbpf, igc, NVMe p\u0101r TCP\/IP, DAX ext4 un xfs, OverlayFS, Stratis, DNSSEC, GNOME ARM sist\u0113m\u0101m, AMD SEV KVM, Intel vGPU.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Avots: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52820\">opennet.lv<\/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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