{"id":33154,"date":"2019-10-31T21:51:01","date_gmt":"2019-10-31T18:51:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/microsoft-anonsiroval-podsistemu-wsl2-so-shtatnym-yadrom-linux\/"},"modified":"2019-10-31T21:51:01","modified_gmt":"2019-10-31T18:51:01","slug":"microsoft-anonsiroval-podsistemu-wsl2-so-shtatnym-yadrom-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/microsoft-anonsiroval-podsistemu-wsl2-so-shtatnym-yadrom-linux","title":{"rendered":"A Microsoft anunciou a subsistema WSL2 com n\u00facleo Linux integrado","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Empresa Microsoft apresentou<\/a><\/noindex> na confer\u00eancia Microsoft Build 2019 que est\u00e1 acontecendo estes dias, foi apresentada a vers\u00e3o atualizada do subsistema WSL2 (Windows Subsystem for Linux), destinado \u00e0 execu\u00e7\u00e3o de arquivos execut\u00e1veis do Linux no Windows. A principal caracter\u00edstica<\/a><\/noindex> desta segunda edi\u00e7\u00e3o \u00e9 a entrega de um n\u00facleo Linux completo, em vez de uma camada que traduz em tempo real chamadas de sistema do Linux para chamadas de sistema do Windows. <\/p>\n

Uma vers\u00e3o de teste do WSL2 ser\u00e1 disponibilizada no final de junho em compila\u00e7\u00f5es experimentais. Windows Insider<\/a><\/noindex>O suporte ao WSL1 baseado em emulador ser\u00e1 mantido, e os usu\u00e1rios poder\u00e3o utiliz\u00e1-lo lado a lado com o WSL2. Para executar o n\u00facleo Linux no ambiente Windows, uma m\u00e1quina virtual leve ser\u00e1 utilizada, j\u00e1 aplicada no Azure. <\/p>\n

No WSL2 para Windows 10, um componente com o n\u00facleo Linux 4.19 ser\u00e1 oferecido. \u00c0 medida que as corre\u00e7\u00f5es para a ramifica\u00e7\u00e3o LTS 4.19 foram lan\u00e7adas, o n\u00facleo para o WSL2 ser\u00e1 atualizado rapidamente atrav\u00e9s do mecanismo Windows Update e testado na infraestrutura de integra\u00e7\u00e3o cont\u00ednua da Microsoft. O WSL2 utilizar\u00e1 o mesmo n\u00facleo que \u00e9 usado na infraestrutura do Azure, o que facilitar\u00e1 a manuten\u00e7\u00e3o. <\/p>\n

Todas as mudan\u00e7as preparadas para a integra\u00e7\u00e3o do n\u00facleo com o WSL ser\u00e3o publicadas sob a licen\u00e7a GPLv2 e ser\u00e3o enviadas para upstream. Os patches preparados incluem otimiza\u00e7\u00f5es para reduzir o tempo de inicializa\u00e7\u00e3o do n\u00facleo, diminuir o consumo de mem\u00f3ria e deixar no n\u00facleo o conjunto m\u00ednimo necess\u00e1rio de drivers e subsistemas. O n\u00facleo proposto poder\u00e1 servir como uma substitui\u00e7\u00e3o transparente \u00e0 camada de emula\u00e7\u00e3o oferecida no WSL1. A disponibilidade dos c\u00f3digos fonte permitir\u00e1 que entusiastas, se desejarem, criem suas pr\u00f3prias compila\u00e7\u00f5es do n\u00facleo Linux para o WSL2, para as quais ser\u00e3o preparadas as instru\u00e7\u00f5es necess\u00e1rias.<\/p>\n

O uso do n\u00facleo padr\u00e3o com otimiza\u00e7\u00f5es do projeto Azure permitir\u00e1 alcan\u00e7ar total compatibilidade com o Linux ao n\u00edvel de chamadas de sistema e proporcionar\u00e1 a possibilidade de iniciar containers Docker no Windows de forma cont\u00ednua, bem como implementar suporte a sistemas de arquivos com o mecanismo FUSE. Al\u00e9m disso, no WSL2, o desempenho de entrada\/sa\u00edda e opera\u00e7\u00f5es com o sistema de arquivos foi significativamente aumentado, que antes era um gargalo no WSL1. Por exemplo, ao descompactar um arquivo comprimido, o WSL2 \u00e9 20 vezes mais r\u00e1pido que o WSL1, e nas opera\u00e7\u00f5es
\n \u00abgit clone\u00bb, \u00abnpm install\u00bb, \u00abapt update\u00bb e \u00abapt upgrade\u00bb de 2 a 5 vezes.<\/p>\n

Embora a entrega do n\u00facleo Linux ocorra, assim como antes, o WSL2 n\u00e3o fornecer\u00e1 um conjunto pronto de componentes para o espa\u00e7o do usu\u00e1rio. Esses componentes s\u00e3o instalados separadamente e baseiam-se em compila\u00e7\u00f5es de diversas distribui\u00e7\u00f5es. Por exemplo, para instala\u00e7\u00e3o no WSL, no diret\u00f3rio da Microsoft Store. s\u00e3o oferecidos<\/a><\/noindex> compila\u00e7\u00f5es Ubuntu<\/a><\/noindex>, Debian GNU\/Linux, Kali Linux<\/a><\/noindex>, SUSE<\/a><\/noindex> e Arch Linux<\/a><\/noindex>. Para interagir com o n\u00facleo Linux fornecido no Windows, ser\u00e1 necess\u00e1rio adicionar um pequeno script de inicializa\u00e7\u00e3o \u00e0 distribui\u00e7\u00e3o, alterando o processo de boot. A Canonical j\u00e1 declarou<\/a><\/noindex> anunciou a inten\u00e7\u00e3o de garantir suporte total ao funcionamento do Ubuntu sobre o WSL2.<\/p>\n

Adicionalmente, pode-se destacar publica\u00e7\u00e3o<\/a><\/noindex> emulador de terminal da Windows Terminal<\/a><\/noindex>, cujo c\u00f3digo \u00e9 distribu\u00eddo sob a licen\u00e7a MIT. Juntamente com o terminal, o c\u00f3digo da interface original do prompt de comando conhost.exe, utilizado no Windows e que implementa a API do Windows Console, tamb\u00e9m foi aberto. O terminal oferece uma interface baseada em abas e janelas compartilhadas, suporta totalmente Unicode e sequ\u00eancias de escape para sa\u00eddas coloridas, permite a mudan\u00e7a de temas e a adi\u00e7\u00e3o de extens\u00f5es, suporta consoles virtuais (PTY) e utiliza DirectWrite\/DirectX para acelerar a renderiza\u00e7\u00e3o de texto. No terminal, \u00e9 poss\u00edvel utilizar os shells Command Prompt (cmd), PowerShell e WSL. Durante o ver\u00e3o, o novo terminal estar\u00e1 dispon\u00edvel para usu\u00e1rios do Windows atrav\u00e9s do diret\u00f3rio da Microsoft Store.<\/p>\n

\"A<\/a><\/noindex><\/center><\/p>\n

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

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

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