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3.6.2 Prosseguindo com a instalação

With the target partitions ready and the target root mounted on /mnt, we’re ready to go. First, run:

herd start cow-store /mnt

This makes /gnu/store copy-on-write, such that packages added to it during the installation phase are written to the target disk on /mnt rather than kept in memory. This is necessary because the first phase of the guix system init command (see below) entails downloads or builds to /gnu/store which, initially, is an in-memory file system.

Next, you have to edit a file and provide the declaration of the operating system to be installed. To that end, the installation system comes with three text editors. We recommend GNU nano (veja GNU nano Manual), which supports syntax highlighting and parentheses matching; other editors include mg (an Emacs clone), and nvi (a clone of the original BSD vi editor). We strongly recommend storing that file on the target root file system, say, as /mnt/etc/config.scm. Failing to do that, you will have lost your configuration file once you have rebooted into the newly-installed system.

Veja Usando o sistema de configuração, for an overview of the configuration file. The example configurations discussed in that section are available under /etc/configuration in the installation image. Thus, to get started with a system configuration providing a graphical display server (a “desktop” system), you can run something along these lines:

# mkdir /mnt/etc
# cp /etc/configuration/desktop.scm /mnt/etc/config.scm
# nano /mnt/etc/config.scm

You should pay attention to what your configuration file contains, and in particular:

Once you are done preparing the configuration file, the new system must be initialized (remember that the target root file system is mounted under /mnt):

guix system init /mnt/etc/config.scm /mnt

This copies all the necessary files and installs GRUB on /dev/sdX, unless you pass the --no-bootloader option. For more information, veja Invoking guix system. This command may trigger downloads or builds of missing packages, which can take some time.

Após a conclusão desse comando – e esperamos que com sucesso! – você pode executar o comando reboot e inicializar no novo sistema. A senha root no novo sistema está inicialmente vazia; as senhas de outros usuários precisam ser inicializadas executando o comando passwd como root, a menos que sua configuração especifique o contrário (veja senhas de contas de usuário). Veja Após a instalação do sistema, para o que vem a seguir!

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