{"id":104671,"date":"2022-07-19T15:36:43","date_gmt":"2022-07-19T13:36:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-os-qubes-4-1-1-ispolzuyushhej-virtualizacziyu-dlya-izolyaczii-prilozhenij"},"modified":"2022-07-19T15:36:43","modified_gmt":"2022-07-19T13:36:43","slug":"obnovlenie-os-qubes-4-1-1-ispolzuyushhej-virtualizacziyu-dlya-izolyaczii-prilozhenij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/obnovlenie-os-qubes-4-1-1-ispolzuyushhej-virtualizacziyu-dlya-izolyaczii-prilozhenij","title":{"rendered":"Atualiza\u00e7\u00e3o do sistema operacional Qubes 4.1.1, que utiliza virtualiza\u00e7\u00e3o para isolar aplicativos","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Uma atualiza\u00e7\u00e3o do sistema operacional Qubes 4.1.1 foi formada, implementando a ideia de usar um hipervisor para um isolamento rigoroso de aplicativos e componentes do sistema operacional (cada tipo de aplicativo e servi\u00e7os do sistema operam em m\u00e1quinas virtuais separadas). Para funcionamento, \u00e9 necess\u00e1rio um sistema com 6 GB de RAM e um CPU de 64 bits Intel ou AMD com suporte para tecnologias VT-x com EPT\/AMD-v com RVI e VT-d\/AMD IOMMU, sendo desej\u00e1vel a presen\u00e7a de uma GPU Intel (as GPUs NVIDIA e AMD foram testadas de forma insuficiente). O tamanho da imagem de instala\u00e7\u00e3o \u00e9 de 5,5 GB. <\/p>\n

Os aplicativos no Qubes s\u00e3o divididos em classes com base na import\u00e2ncia dos dados tratados e nas tarefas realizadas. Cada classe de aplicativos (por exemplo, trabalho, entretenimento, opera\u00e7\u00f5es banc\u00e1rias), assim como servi\u00e7os do sistema (subsistema de rede, firewall, gerenciamento de armazenamento, pilha USB, etc.), opera em separado m\u00e1quinas virtuais<\/a>, sendo executados usando o hipervisor Xen. Neste caso, os aplicativos indicados est\u00e3o dispon\u00edveis dentro de uma \u00fanica \u00e1rea de trabalho e s\u00e3o destacados por diferentes cores na borda da janela. Cada ambiente tem acesso de leitura ao sistema de arquivos raiz b\u00e1sico e ao armazenamento local, que n\u00e3o se sobrep\u00f5e ao armazenamento de outros ambientes, utilizando um servi\u00e7o especial para organizar a intera\u00e7\u00e3o entre aplicativos. <\/p>\n

Como base para a forma\u00e7\u00e3o de ambientes virtuais, pode-se utilizar reposit\u00f3rios de pacotes do Fedora e Debian, al\u00e9m de que a comunidade d\u00e1 suporte a templates para Ubuntu, Gentoo e Arch Linux. \u00c9 poss\u00edvel organizar o acesso a aplicativos em uma m\u00e1quina virtual com Windows, assim como criar m\u00e1quinas virtuais<\/a> com base no Whonix para garantir acesso an\u00f4nimo atrav\u00e9s do Tor. A interface do usu\u00e1rio \u00e9 constru\u00edda sobre o Xfce. Quando o usu\u00e1rio inicia um aplicativo atrav\u00e9s do menu, esse aplicativo \u00e9 iniciado em uma m\u00e1quina virtual espec\u00edfica. O conte\u00fado dos ambientes virtuais \u00e9 definido por um conjunto de templates. <\/p>\n

Na nova vers\u00e3o, foi observada apenas uma atualiza\u00e7\u00e3o das vers\u00f5es dos programas que formam o ambiente b\u00e1sico do sistema (dom0). Um template para a forma\u00e7\u00e3o de ambientes virtuais baseados no Fedora 36 foi preparado. Por padr\u00e3o, o kernel Linux 5.15 foi sugerido. Foi programado o t\u00e9rmino do suporte \u00e0 s\u00e9rie Qubes 4.0 para 4 de agosto, e os usu\u00e1rios da s\u00e9rie antiga s\u00e3o aconselhados a migrar para o uso do Qubes 4.1.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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