{"id":104058,"date":"2022-05-17T15:36:38","date_gmt":"2022-05-17T13:36:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-freebsd-13-1"},"modified":"2022-05-17T15:36:38","modified_gmt":"2022-05-17T13:36:38","slug":"reliz-freebsd-13-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-freebsd-13-1","title":{"rendered":"Lan\u00e7amento do FreeBSD 13.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s um ano de desenvolvimento, o lan\u00e7amento do FreeBSD 13.1 foi publicado. As imagens de instala\u00e7\u00e3o est\u00e3o dispon\u00edveis para as arquiteturas amd64, i386, powerpc, powerpc64, powerpc64le, powerpcspe, armv6, armv7, aarch64 e riscv64. Al\u00e9m disso, foram preparadas compila\u00e7\u00f5es para sistemas de virtualiza\u00e7\u00e3o (QCOW2, VHD, VMDK, raw) e ambientes em nuvem como Amazon EC2, Google Compute Engine e Vagrant.    <\/p>\n<p>Na nova vers\u00e3o:  <\/p>\n<ul>\n<li class=\"l\"> Foi proposto um driver iwlwifi para placas de rede sem fio Intel com suporte a novos chips e ao padr\u00e3o 802.11ac. O driver \u00e9 baseado no driver Linux e no c\u00f3digo do subsistema net80211 do Linux, cuja opera\u00e7\u00e3o no FreeBSD \u00e9 garantida por meio da camada linuxkpi.\n<li class=\"l\"> A implementa\u00e7\u00e3o do sistema de arquivos ZFS foi atualizada para a vers\u00e3o OpenZFS 2.1, com suporte para tecnologia dRAID (Distributed Spare RAID) e otimiza\u00e7\u00f5es significativas de desempenho.\n<li class=\"l\"> Adicionado um novo script rc zfskeys, que permite organizar a descriptografia autom\u00e1tica de parti\u00e7\u00f5es ZFS criptografadas durante a etapa de inicializa\u00e7\u00e3o.\n<li class=\"l\"> No stack de rede, o comportamento para endere\u00e7os IPv4 com \u00faltimo n\u00famero zero (x.x.x.0) foi alterado, podendo agora ser utilizado como host, e por padr\u00e3o n\u00e3o \u00e9 aplicada a transmiss\u00e3o em modo de broadcast. O comportamento anterior pode ser restaurado com sysctl net.inet.ip.broadcast_lowest.\n<li class=\"l\"> Para arquiteturas de 64 bits, a compila\u00e7\u00e3o do sistema base est\u00e1 habilitada por padr\u00e3o usando o modo PIE (Position Independent Executable). Para desativ\u00e1-lo, h\u00e1 uma configura\u00e7\u00e3o dispon\u00edvel chamada WITHOUT_PIE.\n<li class=\"l\"> Adicionada a possibilidade de invocar o chroot por processos n\u00e3o privilegiados, para os quais a flag NO_NEW_PRIVS foi acionada. O modo \u00e9 ativado atrav\u00e9s do sysctl security.bsd.unprivileged_chroot. A utilidade chroot recebeu a op\u00e7\u00e3o &#171;-n&#187;, que configura a flag NO_NEW_PRIVS para o processo antes de sua isola\u00e7\u00e3o.\n<li class=\"l\"> No instalador bsdinstall, foi adicionado um modo de edi\u00e7\u00e3o automatizada de parti\u00e7\u00f5es de disco, permitindo que scripts de particionamento sejam executados sem a participa\u00e7\u00e3o do usu\u00e1rio, para diferentes nomes de disco. Esse recurso proposto simplifica a cria\u00e7\u00e3o de m\u00eddias de instala\u00e7\u00e3o que funcionam totalmente de forma autom\u00e1tica para sistemas e <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/vps\/\"   title=\"m\u00e1quinas virtuais\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2098\">m\u00e1quinas virtuais<\/a> com diferentes discos.\n<li class=\"l\"> Melhorado o suporte para inicializa\u00e7\u00e3o em sistemas com UEFI. No carregador de inicializa\u00e7\u00e3o, foi inclu\u00edda a configura\u00e7\u00e3o autom\u00e1tica do par\u00e2metro copy_staging com base nas capacidades do n\u00facleo carregado.\n<li class=\"l\"> Realizado trabalho para aumentar o desempenho do carregador de inicializa\u00e7\u00e3o, nvme, rtsold, inicializa\u00e7\u00e3o do gerador de n\u00fameros pseudo-aleat\u00f3rios e calibra\u00e7\u00e3o do temporizador, resultando em uma redu\u00e7\u00e3o no tempo de inicializa\u00e7\u00e3o.\n<li class=\"l\"> Adicionada a suporte para NFS sobre um canal de comunica\u00e7\u00e3o criptografado baseado em TLS 1.3. A nova implementa\u00e7\u00e3o utiliza a pilha TLS fornecida pelo n\u00facleo, permitindo o uso de recursos de acelera\u00e7\u00e3o de hardware. A montagem dos processos rpc.tlsclntd e rpc.tlsservd com a implementa\u00e7\u00e3o do cliente e servidor NFS-over-TLS est\u00e1 ativada por padr\u00e3o para as arquiteturas amd64 e arm64.\n<li class=\"l\"> Para NFSv4.1 e 4.2, foi implementada a op\u00e7\u00e3o de montagem nconnect, que define o n\u00famero de conex\u00f5es TCP estabelecidas. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-prohoster\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3046\">servidor<\/a> A primeira conex\u00e3o \u00e9 utilizada para pequenas mensagens RPC, enquanto as demais s\u00e3o usadas para balancear o tr\u00e1fego dos dados transmitidos.\n<li class=\"l\"> Para o servidor NFS, foi adicionado o sysctl vfs.nfsd.srvmaxio, permitindo modificar o tamanho m\u00e1ximo do bloco de entrada\/sa\u00edda (por padr\u00e3o 128Kb).\n<li class=\"l\"> Melhor suporte a hardware. O driver igc agora suporta o controlador Ethernet Intel I225. Melhorias no suporte a sistemas Big-endian. Adicionado o driver mgb para o controlador Ethernet Microchip devices LAN7430 PCIe Gigabit Ethernet.\n<li class=\"l\"> O driver ice, usado para controladores Ethernet Intel E800, foi atualizado para a vers\u00e3o 1.34.2-k, que agora inclui suporte para a grava\u00e7\u00e3o no log do sistema de eventos de firmware e uma implementa\u00e7\u00e3o inicial das extens\u00f5es do protocolo DCB (Data center bridging).\n<li class=\"l\"> Nas imagens para Amazon EC2, o suporte para inicializa\u00e7\u00e3o usando UEFI em vez de BIOS est\u00e1 ativado por padr\u00e3o.\n<li class=\"l\"> No hipervisor bhyve, os componentes para emular unidades NVMe foram atualizados, garantindo suporte para a especifica\u00e7\u00e3o NVMe 1.4. Problemas com NVMe iovec durante opera\u00e7\u00f5es intensivas de entrada\/sa\u00edda foram resolvidos.\n<li class=\"l\"> A biblioteca CAM foi alterada para usar a chamada realpath ao processar nomes de dispositivos, permitindo o uso de links simb\u00f3licos em utilit\u00e1rios como camcontrol e smartctl. O camcontrol resolveu problemas com o carregamento de firmwares nos dispositivos.\n<li class=\"l\"> O utilit\u00e1rio svnlite n\u00e3o est\u00e1 mais sendo compilado no sistema base.\n<li class=\"l\"> Adicionadas vers\u00f5es Linux das utilidades para calcular somas de verifica\u00e7\u00e3o (md5sum, sha1sum, etc.) que s\u00e3o implementadas fazendo chamadas \u00e0s utilidades BSD existentes (md5, sha1, etc.) com a op\u00e7\u00e3o &#171;-r&#187;.\n<li class=\"l\"> No utilit\u00e1rio mpsutil, foi adicionada a capacidade de gerenciar NCQ e exibir informa\u00e7\u00f5es sobre o adaptador.\n<li class=\"l\"> No \/etc\/defaults\/rc.conf, a aplica\u00e7\u00e3o da op\u00e7\u00e3o &#171;-i&#187; ao chamar os processos rtsol e rtsold, respons\u00e1veis pelo envio de mensagens ICMPv6 RS (Solicita\u00e7\u00e3o de Roteador), est\u00e1 habilitada por padr\u00e3o. A op\u00e7\u00e3o especificada desabilita o atraso aleat\u00f3rio antes do envio da mensagem.\n<li class=\"l\"> Para as arquiteturas riscv64 e riscv64sf, a constru\u00e7\u00e3o de bibliotecas com ASAN (address sanitizer), UBSAN (Undefined Behavior Sanitizer), OpenMP e OFED (Open Fabrics Enterprise Distribution) foi inclu\u00edda.\n<li class=\"l\"> Problemas com a determina\u00e7\u00e3o dos recursos de acelera\u00e7\u00e3o de hardware suportados pelos processadores ARMv7 e ARM64 foram resolvidos, o que permitiu acelerar consideravelmente os algoritmos aes-256-gcm e sha256 em sistemas ARM.\n<li class=\"l\"> Para a arquitetura powerpc, o depurador LLDB, desenvolvido pelo projeto LLVM, foi inclu\u00eddo na composi\u00e7\u00e3o principal.\n<li class=\"l\"> A biblioteca OpenSSL foi atualizada para a vers\u00e3o 1.1.1o e aprimorada com otimiza\u00e7\u00f5es de assembly para as arquiteturas powerpc, powerpc64 e powerpc64le.\n<li class=\"l\"> O servidor e cliente SSH foram atualizados para OpenSSH 8.8p1, desativando o suporte a assinaturas digitais rsa-sha e suportando a autentica\u00e7\u00e3o de dois fatores utilizando dispositivos baseados no protocolo FIDO\/U2F. Para interagir com dispositivos FIDO\/U2F, novos tipos de chaves &#171;ecdsa-sk&#187; e &#171;ed25519-sk&#187; foram adicionados, utilizando algoritmos de assinatura digital ECDSA e Ed25519, juntamente com o hash SHA-256.\n<li class=\"l\"> As vers\u00f5es dos aplicativos de terceiros que comp\u00f5em o sistema b\u00e1sico foram atualizadas: awk 20210215 (com patches que desativam o uso de local para intervalos e melhoram a compatibilidade com gawk e mawk), zlib 1.2.12, libarchive 3.6.0.      <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57201\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 FreeBSD 13.1. \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u0447\u043d\u044b\u0435 \u043e\u0431\u0440\u0430\u0437\u044b \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 amd64, i386, powerpc, powerpc64, powerpc64le, powerpcspe, armv6, armv7, aarch64 \u0438 riscv64. \u0414\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0441\u0431\u043e\u0440\u043a\u0438 \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 (QCOW2, VHD, VMDK, raw) \u0438 \u043e\u0431\u043b\u0430\u0447\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439 Amazon EC2, Google Compute Engine \u0438 Vagrant. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438: \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d \u0434\u0440\u0430\u0439\u0432\u0435\u0440 iwlwifi \u0434\u043b\u044f \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u0440\u0442 Intel c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 [&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-104058","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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