Perfis do Funtoo

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Esta página cobre o sistema de "profile" do Funtoo Linux -- como ele funciona, quais profiles estão disponíveis, e como usá-los epro para definir e mudar as configurações do profile.== Tipos de Profiles ==

Historicamente, usuários precisavam adicionar muitas configurações ao /etc/make.conf para personalizar seus sistemas Gentoo ou Funtoo Linux, o que tornava a configuração do sistema operacional mais difícil do que deveria. No Gentoo Linux, é possível definir apenas um "perfil de sistema". Pense no sistema de profile como configurações padronizadas usadas pelo Portage para construir tudo no seu sistema. Ao invés de um único profile, Funtoo Linux utiliza vários sub-profiles, e envia vários tipos de configuração, normalmente armazenadas em /etc/make.conf para o sistema de profiles. Os seguintes tipos de profiles estão disponíveis para Funtoo Linux:

Sub-Profile Type	Description
`arch`	Tipicamente `x86-32bit` ou `x86-64bit`, isso define o suporte ao tipo de processador do sistema. É definido quando o stage é construído e não pode ser mudado.
`build`	Define se seu sistema é `current`, `stable` ou `experimental`. Sistema `current` tem mais pacotes novos desmascarados que sistemas `stable`. É definido quando o stage é construído e normalmente não é alterado.
`subarch`	Define a otimização para CPU do sistema. É definido na construção do stage3, mas pode ser alterado depois, se necessário. Esteja certo da compatibilidade com seu CPU.
`flavor`	Define o tipo geral do sistema que pode ser `server` ou `desktop`, e irá definir USE flags apropriadas para cada situação.
`mix-ins`	Define várias configurações opcionais que podem ser de seu interesse.

Note

Flavors podem (e irão) influenciar nas configurações de outros flavors e mix-ins. Mix-ins podem alterar configurações de outros mix-ins. Por exemplo, X é exigido pelo gnome. A ferramenta epro irá mostrar ambas ativadas, assim não haverá surpresas.

Usando epro

epro show mostrará as configurações do profile atual do seu sistema.

root #  epro show

=== Enabled Profiles: ===

        arch:  x86-64bit
       build:  current
     subarch:  intel64-haswell
      flavor:  desktop
     mix-ins:  gnome


=== All inherited flavors from desktop flavor: ===

                     workstation (from desktop flavor)
                            core (from workstation flavor)
                         minimal (from core flavor)

=== All inherited mix-ins from desktop flavor: ===

                               X (from workstation flavor)
                           audio (from workstation flavor)
                             dvd (from workstation flavor)
                           media (from workstation flavor)
      mediadevice-audio-consumer (from media mix-in)
                mediadevice-base (from mediadevice-audio-consumer mix-in)
      mediadevice-video-consumer (from media mix-in)
                mediadevice-base (from mediadevice-video-consumer mix-in)
        mediaformat-audio-common (from media mix-in)
          mediaformat-gfx-common (from media mix-in)
        mediaformat-video-common (from media mix-in)
                  console-extras (from workstation flavor)
                           print (from desktop flavor)

Para ver todas os sub-profiles disponíveis, use epro list:

root #  epro list

Profiles habilitados aparecerão na cor ciano. Profiles habilitados diretamente ficam em negrito e possuem um asterisco * junto. Sub-profiles habilitados indiretamente aparecem destacados.

Exemplos de uso

Add the mix-ins `gnome` and `kde`	root # epro mix-ins +gnome +kde
Remove a mix-in, for example `gnome`	root # epro mix-ins -gnome
Change the profile arch to x86-64bit	root # epro arch x86-64bit
Change the subarch to `generic_64`	root # epro subarch generic_64
Change the system flavor	root # epro flavor desktop
Get JSON output of profile settings	root # epro show-json
Get current sub-profile setting in text form	root # epro get [profiletype]

Flavors

A system can have only one flavor profile enabled at a time. The following flavors are available:

Flavor	Description
`minimal`	This contains the bare minimum settings for all Funtoo Linux flavors.
`core`	The core flavor includes the minimal flavor, plus reasonable settings, and is used for the official stage3 downloads.
`server`	In the future, the server flavor will include the core flavor, plus specific settings designed for servers. At the moment, it is equivalent to the core flavor.
`workstation`	The workstation flavor is a minimal desktop system. It includes the core flavor, plus these mix-ins: `X`, `audio`, `dvd`, `media` and `console-extras`.
`desktop`	The desktop flavor includes the common settings for any full-featured desktop system. It includes the `workstation` flavor plus `printing` support. The user is expected to further customize their system with a desktop environment of choice, such as KDE, GNOME, or XFCE, possibly by using a mix-in.

Mix-ins

A system can have any number of mix-ins enabled at a time. The following mix-ins are available:

Mix-in	Description
`audio`	Enables core audio-related settings, currently related to ALSA.
`console-extras`	Enables things that are nice to have for console-only systems. Currently enabling gpm in USE.
`dvd`	USE settings related to optical drives -- CDR/DVD-ROM/RW use.
`gnome`	USE and package.use settings required to merge GNOME. Designed to be used with `desktop` or `workstation` flavor.
`hardened`	Enables hardened support.
`kde`	USE and package.use settings required to merge KDE. Designed to be used with `desktop` or `workstation` flavor.
`media`	USE settings related to audio/video media encoding. Can be for desktops or servers.
`print`	Enables printing capability.
`vmware-guest`	Settings related to using Funtoo Linux as a VMWare virtual machine guest.
`X`	Settings related to the X Window System and hardware support.
`xfce`	USE settings required for merging XFCE.

Media Device Mix-ins

Media device mix-ins have been created to support media devices, including external and portable devices, and associated low-level hardware support and hardware-focused codecs. Media devices have been categorized into audio and video categories, and consumer and professional categories. "Consumer" devices are those devices that regular desktop users might typically use, while "professional" devices are those that professionals, hobbyists or enthusiasts would typically use. Here are the new mix-ins for media devices:

Media Device Mix-in	Description
`mediadevice-base`	Common, universally-supported media devices, like IEEE-1394 (Firewire), CDDA, CDIO. Other mediadevice mix-ins have this as a parent.
`mediadevice-audio-consumer`	Consumer audio devices, such as personal portable media players (iOS, iPod, etc.)
`mediadevice-audio-pro`	Pro audio support, such as JACK.
`mediadevice-video-consumer`	Consumer video support, such as DVD, Blu Ray, V4L
`mediadevice-video-pro`	Pro video support, such as dv, dc1394.

Media Format Mix-ins

Media format mix-ins have been created to support media formats for reading, writing, encoding and decoding images, audio and video. They have been organized into a "common" collection, for popular formats, and an "extra" collection, which is intended to include "everything else". Let's look at the new mix-ins:

Media Format Mix-in	Description
`mediaformat-video-common`	Common (ie. popular) video formats.
`mediaformat-video-extra`	More esoteric video formats.
`mediaformat-audio-common`	Common (ie. popular) audio formats.
`mediaformat-audio-extra`	More esoteric audio formats.
`mediaformat-gfx-common`	Common (ie. popular) graphics formats.
`mediaformat-gfx-extra`	More esoteric graphics formats.

How to Use Media Mix-Ins

Our existing media mix-in still exists, and is still pulled in by the desktop and workstation flavors automatically. It now includes the following parent mix-ins:

mediadevice-audio-consumer
mediadevice-video-consumer
mediaformat-audio-common
mediaformat-gfx-common
mediaformat-video-common

In addition, there is a new media-pro mix-in which needs to be enabled manually, which pulls in the following mix-ins:

mediadevice-audio-pro
mediadevice-video-pro

So typically, you would enable the desktop or workstation flavor, and if you need professional hardware support, you'd also enable the media-pro mix-in. If you needed any additional media formats support, you could enable one or more of the mediaformat-*-extra mix-ins to add the formats you needed. Of course, it's possible to enable only the specific mix-ins you need, and also complement these mix-ins with specific USE variable settings you might require.

How Profile Settings are Stored

Funtoo Linux stores its profile settings in the /etc/portage/make.profile/parent file. Typically, users don't need to modify this file, instead using ego and epro to make changes, but it can be handy to take a look at what the contents of the file look like. A simple server might have profile settings as follows:

/etc/portage/make.profile/parent

gentoo:funtoo/1.0/linux-gnu/arch/x86-64bit
gentoo:funtoo/1.0/linux-gnu/build/current
gentoo:funtoo/1.0/linux-gnu/flavor/core

Profile settings for a desktop might look like this: