{"id":77903,"date":"2020-04-14T19:42:07","date_gmt":"2020-04-14T17:42:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-po-emulyaczii-sborki-red-hat-enterprise-linux-na-baze-fedora"},"modified":"2020-04-14T19:42:07","modified_gmt":"2020-04-14T17:42:07","slug":"proekt-po-emulyaczii-sborki-red-hat-enterprise-linux-na-baze-fedora","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/proekt-po-emulyaczii-sborki-red-hat-enterprise-linux-na-baze-fedora","title":{"rendered":"Projeto de emula\u00e7\u00e3o da constru\u00e7\u00e3o do Red Hat Enterprise Linux baseado no Fedora","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

O Comit\u00ea FESCo (Fedora Engineering Steering Committee), respons\u00e1vel pela parte t\u00e9cnica do desenvolvimento da distribui\u00e7\u00e3o Fedora, aprovou<\/a><\/noindex> proposta de implementa\u00e7\u00e3o Apache Traffic Control<\/a><\/noindex> ELN<\/a><\/noindex> (Enterprise Linux Next), voltado para fornecer um ambiente baseado no reposit\u00f3rio Fedora Rawhide, que pode ser utilizado para testar a funcionalidade das futuras vers\u00f5es da distribui\u00e7\u00e3o RHEL (Red Hat Enterprise Linux). Para o ELN, um novo buildroot ser\u00e1 preparado e o processo de constru\u00e7\u00e3o<\/a><\/noindex> para simular a forma\u00e7\u00e3o do Red Hat Enterprise Linux com base nos pacotes com c\u00f3digos-fonte do reposit\u00f3rio Fedora. O projeto est\u00e1 programado para ser implementado no ciclo de desenvolvimento do Fedora 33. <\/p>\n

ELN<\/a><\/noindex> fornecer\u00e1 a infraestrutura para criar pacotes Fedora utilizando m\u00e9todos aplicados no CentOS e RHEL, permitindo que os desenvolvedores de pacotes Fedora capturem altera\u00e7\u00f5es em uma fase inicial que podem potencialmente impactar o desenvolvimento do RHEL. O ELN tamb\u00e9m permitir\u00e1 verificar as altera\u00e7\u00f5es propostas em blocos condicionais nos arquivos spec, ou seja, compilar um pacote com a condi\u00e7\u00e3o da vari\u00e1vel '%{rhel}' definida para o valor '9' (a vari\u00e1vel '%{fedora}' do ELN retornar\u00e1 'false'), simulando a compila\u00e7\u00e3o para a futura vers\u00e3o do RHEL. <\/p>\n

O objetivo final \u00e9 reconstruir o reposit\u00f3rio Fedora Rawhide como se fosse RHEL. No ELN, est\u00e1 previsto reconstruir apenas uma pequena parte da cole\u00e7\u00e3o de pacotes do Fedora, demandada no CentOS Stream e RHEL. As reconstru\u00e7\u00f5es bem-sucedidas do ELN est\u00e3o programadas para serem sincronizadas com as compila\u00e7\u00f5es internas do RHEL, adicionando aos pacotes mudan\u00e7as adicionais que n\u00e3o s\u00e3o permitidas no Fedora (por exemplo, adi\u00e7\u00e3o de marcas registradas). Nesse processo, os desenvolvedores se esfor\u00e7ar\u00e3o para minimizar as diferen\u00e7as entre o ELN e o RHEL Next, separando-as em n\u00edvel de blocos condicionais nos arquivos spec.<\/p>\n

Outra aplica\u00e7\u00e3o importante do ELN ser\u00e1 a capacidade de experimentar a implementa\u00e7\u00e3o de novas ideias, sem afetar as compila\u00e7\u00f5es principais do Fedora. Em particular, o ELN ser\u00e1 \u00fatil para criar compila\u00e7\u00f5es do Fedora que reflitam interrup\u00e7\u00e3o<\/a><\/noindex> o suporte a hardware antigo e a ativa\u00e7\u00e3o padr\u00e3o de extens\u00f5es adicionais de CPU. Por exemplo, ser\u00e1 poss\u00edvel criar uma vers\u00e3o do Fedora, determinando nos requisitos de CPU o suporte obrigat\u00f3rio para as instru\u00e7\u00f5es AVX2, e depois testar o impacto no desempenho do uso do AVX2 nos pacotes e decidir sobre a implementa\u00e7\u00e3o da mudan\u00e7a na distribui\u00e7\u00e3o principal do Fedora.
\nTestes similares s\u00e3o relevantes para a verifica\u00e7\u00e3o de pacotes Fedora em decorr\u00eancia das mudan\u00e7as nos requisitos das arquiteturas de hardware, previstas na futura e significativa vers\u00e3o do RHEL, sem bloquear o processo normal de constru\u00e7\u00e3o de pacotes e prepara\u00e7\u00e3o de lan\u00e7amentos do Fedora.<\/p>\n

<\/a><\/noindex><\/p>\n

Fonte: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u0438\u0442\u0435\u0442 FESCo (Fedora Engineering Steering Committee), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u0439 \u0437\u0430 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0447\u0430\u0441\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Fedora, \u0443\u0442\u0432\u0435\u0440\u0434\u0438\u043b \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 ELN (Enterprise Linux Next), \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 Fedora Rawhide, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0431\u0443\u0434\u0443\u0449\u0438\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 RHEL (Red Hat Enterprise Linux). \u0414\u043b\u044f ELN \u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 buildroot \u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0441\u0431\u043e\u0440\u043a\u0438 \u0434\u043b\u044f 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