{"id":55313,"date":"2020-01-17T00:00:00","date_gmt":"2020-01-16T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/pervyj-stabilnyj-vypusk-fedora-coreos"},"modified":"2020-02-18T14:03:25","modified_gmt":"2020-02-18T11:03:25","slug":"pervyj-stabilnyj-vypusk-fedora-coreos","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/pervyj-stabilnyj-vypusk-fedora-coreos","title":{"rendered":"Primeiro lan\u00e7amento est\u00e1vel do Fedora CoreOS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Desenvolvedores do projeto Fedora <noindex><a rel=\"nofollow\" href=\"https:\/\/fedoramagazine.org\/fedora-coreos-out-of-preview\/\">foi anunciado<\/a><\/noindex> sobre a estabiliza\u00e7\u00e3o da distribui\u00e7\u00e3o  <noindex><a rel=\"nofollow\" href=\"https:\/\/getfedora.org\/coreos\/\">Fedora CoreOS<\/a><\/noindex> e sua prontid\u00e3o para uso generalizado. O Fedora CoreOS \u00e9 promovido como uma solu\u00e7\u00e3o \u00fanica para executar ambientes baseados em cont\u00eaineres isolados, substituindo os produtos Fedora Atomic Host e CoreOS Container Linux. O suporte para a distribui\u00e7\u00e3o CoreOS Container Linux ser\u00e1 encerrado em 6 meses, e o fim do suporte ao Fedora Atomic Host \u00e9 esperado para o final de novembro.<\/p>\n<p>O Fedora CoreOS \u00e9 projetado para fornecer um ambiente m\u00ednimo, atualizado automaticamente de forma at\u00f4mica sem a interven\u00e7\u00e3o do administrador e unificado para a implanta\u00e7\u00e3o em massa de sistemas de servidor, destinados exclusivamente \u00e0 execu\u00e7\u00e3o de cont\u00eaineres. A distribui\u00e7\u00e3o fornece apenas um conjunto m\u00ednimo de componentes, suficiente para executar cont\u00eaineres isolados \u2014 n\u00facleo Linux, gerenciador de sistema systemd e um conjunto de servi\u00e7os auxiliares para conex\u00e3o via SSH, gerenciamento de configura\u00e7\u00e3o e instala\u00e7\u00e3o de atualiza\u00e7\u00f5es. <\/p>\n<p>A parti\u00e7\u00e3o do sistema \u00e9 montada em modo somente leitura e n\u00e3o \u00e9 alterada durante a opera\u00e7\u00e3o. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/coreos\/fcct\/blob\/master\/docs\/configuration-v1_0.md\">Configura\u00e7\u00e3o<\/a><\/noindex> \u00e9 transmitido na fase de inicializa\u00e7\u00e3o usando a ferramenta <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/coreos\/ignition\">Ignition<\/a><\/noindex> (alternativa ao Cloud-Init). Depois que o sistema \u00e9 iniciado, a altera\u00e7\u00e3o da configura\u00e7\u00e3o e do conte\u00fado do diret\u00f3rio \/etc \u00e9 imposs\u00edvel, podendo apenas modificar o perfil de configura\u00e7\u00f5es e utiliz\u00e1-lo para substituir o ambiente. De forma geral, trabalhar com o sistema lembra o trabalho com imagens de cont\u00eaineres, que n\u00e3o s\u00e3o atualizadas no local, mas reconstru\u00eddas a partir do zero e iniciadas novamente.<\/p>\n<p>A imagem do sistema n\u00e3o \u00e9 divis\u00edvel e \u00e9 criada usando a tecnologia OSTree (pacotes separados n\u00e3o podem ser instalados nesse ambiente, apenas \u00e9 poss\u00edvel reconstruir toda a imagem do sistema, expandindo-a com novos pacotes atrav\u00e9s da ferramenta rpm-ostree). O sistema de atualiza\u00e7\u00f5es \u00e9 baseado no uso de duas parti\u00e7\u00f5es do sistema, uma das quais est\u00e1 ativa, enquanto a outra \u00e9 usada para copiar a atualiza\u00e7\u00e3o; ap\u00f3s a instala\u00e7\u00e3o da atualiza\u00e7\u00e3o, as parti\u00e7\u00f5es trocam de fun\u00e7\u00e3o. <\/p>\n<p>Do CoreOS Container Linux, que <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=47992\">passou<\/a><\/noindex> foi adquirido pela Red Hat ap\u00f3s a compra da empresa CoreOS, o projeto Fedora CoreOS herdou as ferramentas de configura\u00e7\u00e3o na fase de inicializa\u00e7\u00e3o (Ignition), o mecanismo de atualiza\u00e7\u00f5es at\u00f4micas e a filosofia geral do produto. Da Atomic Host foram transferidas a tecnologia de gerenciamento de pacotes, o suporte a especifica\u00e7\u00f5es OCI (Open Container Initiative) e mecanismos adicionais de isolamento de cont\u00eaineres baseados no SELinux. Para orquestrarem cont\u00eaineres sobre o Fedora CoreOS, a integra\u00e7\u00e3o com o Kubernetes (incluindo a base <noindex><a rel=\"nofollow\" href=\"https:\/\/www.okd.io\/\">OKD<\/a><\/noindex>). <\/p>\n<p>O conte\u00fado da primeira vers\u00e3o est\u00e1vel do Fedora CoreOS \u00e9 formado com base nos reposit\u00f3rios <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51771\">Fedora 31<\/a><\/noindex> usando o pacote rpm-ostree.<br \/>\nA composi\u00e7\u00e3o inclui o kernel Linux 5.4, o gerenciador de sistema systemd 243, e a ferramenta Ignition 2.1. O runtime para containers oferece suporte ao Moby 18.09 (Docker) e podman 1.7. Por padr\u00e3o, para garantir compatibilidade, o suporte a cgroups v1 est\u00e1 habilitado, mas tamb\u00e9m pode ser ativado opcionalmente o cgroups v2. Foi implementada a possibilidade <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.fedoraproject.org\/en-US\/fedora-coreos\/getting-started\/\">de instala\u00e7\u00e3o<\/a><\/noindex> em v\u00e1rias plataformas, incluindo servidores convencionais, QEMU, OpenStack, VMware, AWS, Alibaba, Azure e GCP. A imagem ISO fornecida pode operar em modo live com a execu\u00e7\u00e3o na RAM. O boot pela rede via PXE (netboot) \u00e9 suportado.<\/p>\n<p>Tr\u00eas ramos independentes do Fedora CoreOS s\u00e3o oferecidos, para os quais s\u00e3o criadas atualiza\u00e7\u00f5es para corre\u00e7\u00e3o de vulnerabilidades e erros graves: <\/p>\n<ul>\n<li class=\"l\"> testing com snapshots baseados na vers\u00e3o atual do Fedora com atualiza\u00e7\u00f5es;\n<li class=\"l\"> stable \u2014 ramo estabilizado, formado ap\u00f3s duas semanas de testes do ramo testing;\n<li class=\"l\"> next \u2014 snapshot da pr\u00f3xima vers\u00e3o em desenvolvimento (ainda apenas em planejamento).\n<\/ul>\n<\/p>\n<p>Entre os planos futuros, menciona-se <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=1728378\">a inclus\u00e3o<\/a><\/noindex>  no Fedora CoreOS o envio de telemetria usando o servi\u00e7o  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/coreos\/fedora-coreos-pinger\">fedora-coreos-pinger<\/a><\/noindex>, que periodicamente coleta e envia aos servidores do projeto Fedora informa\u00e7\u00f5es que n\u00e3o identificam, como n\u00famero da vers\u00e3o do sistema operacional, plataforma de nuvem e tipo de instala\u00e7\u00e3o. Os dados transmitidos n\u00e3o cont\u00eam informa\u00e7\u00f5es que possam levar \u00e0 identifica\u00e7\u00e3o. Apenas dados agregados s\u00e3o utilizados na an\u00e1lise estat\u00edstica, permitindo uma avalia\u00e7\u00e3o geral do uso do Fedora CoreOS. Se desejado, o usu\u00e1rio pode desativar o envio de telemetria ou ampliar as informa\u00e7\u00f5es transmitidas por padr\u00e3o.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52205\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Fedora \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0438 \u043e \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Fedora CoreOS \u0438 \u0435\u0433\u043e \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u0448\u0438\u0440\u043e\u043a\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f. Fedora CoreOS \u043f\u0440\u043e\u0434\u0432\u0438\u0433\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0435\u0434\u0438\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439 \u043d\u0430 \u0431\u0430\u0437\u0435 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432, \u043f\u0440\u0438\u0448\u0435\u0434\u0448\u0435\u0435 \u043d\u0430 \u0441\u043c\u0435\u043d\u0443 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430\u043c Fedora Atomic Host \u0438 CoreOS Container Linux. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 CoreOS Container Linux \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u0447\u0435\u0440\u0435\u0437 6 \u043c\u0435\u0441\u044f\u0446\u0435\u0432, \u0430 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 Fedora Atomic Host [&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-55313","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Fedora \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0438 \u043e \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u0438 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