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Mount the initialA read-only root file system:
English (itstool) path: formalpara/title
A read-only root file system
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If you upgrade from an older version to this openSUSE Leap release, see previous release notes listed here: <link xlink:href="https://en.opensuse.org/openSUSE:Release_Notes"/>.
Se realizar um upgrade de uma versão antiga para a versão atual do Opensuse Leap. consulte as notas de lançamento anteriores aqui: <link href="http://en.opensuse.org/openSUSE:Release_Notes"/> .
<phrase condition="beta">This public beta test is part of the openSUSE project.</phrase> Information about the project is available at <link xlink:href="https://www.opensuse.org"/>.
<phrase condition="beta">Este teste beta público faz parte do projeto openSUSE.</phrase> Informações sobre o projeto estão disponíveis em <link href="http://opensuse.org"/>.
Report all bugs you encounter using this prerelease of openSUSE Leap 15.4 in the openSUSE Bugzilla. For more information, see <link xlink:href="https://en.opensuse.org/Submitting_Bug_Reports"/>. If you would like to see anything added to the release notes, file a bug report against the component <quote>Release Notes</quote>.
Descreva todas as falhas que encontre nesta pré-versão do Opensuse 42.2 na nossa página do Bugzilla: <ulink url="https://bugzilla.opensuse.org/"/>. Para mais informações consulte: <link href="http://en.opensuse.org/Submitting_Bug_Reports"/>.
Se deseja que algo seja adicionado às notas de lançamento, preencha um relatório de falha marcando o componente <quote>Nota a adicionar</quote>.
To report bugs against this release, use the openSUSE Bugzilla. For more information, see <link xlink:href="https://en.opensuse.org/Submitting_Bug_Reports"/>.
Encontre mais informação detalhada sobre as novas funcionalidades em <ulink url="http://en.opensuse.org/AppArmor/Changes_AppArmor_2_1"/>.
Major new features of openSUSE Leap 15.4 are also listed at <link xlink:href="https://en.opensuse.org/Features_15.4"/>.
Encontre mais informação detalhada sobre as novas funcionalidades em <ulink url="http://en.opensuse.org/AppArmor/Changes_AppArmor_2_1"/>.
Installation
Instalação
This section contains installation-related notes. For detailed installation instructions, see the documentation at <link xlink:href="https://doc.opensuse.org/documentation/leap/startup/html/book.opensuse.startup/part-basics.html"/>.
Esta secção contém notas referentes à instalação. Para instruções mais detalhadas relativo ao processo de atualização, consulte a documentação: <link href="https://doc.opensuse.org/documentation/leap/startup/html/book.opensuse.startup/part.basics.html"/>.
Using Atomic Updates With the System Role <emphasis>Transactional Server</emphasis>
 
The installer supports the system role <emphasis>Transactional Server</emphasis>. This system role features an update system that applies updates atomically (as a single operation) and makes them easy to revert should that become necessary. These features are based on the package management tools that all other SUSE and openSUSE distributions also rely on. This means that the vast majority of RPM packages that work with other system roles of openSUSE Leap 15.4 also work with the system role <emphasis>Transactional Server</emphasis>.
 
Incompatible Packages
 
Some packages modify the contents of <filename>/var</filename> or <filename>/srv</filename> in their RPM <literal>%post</literal> scripts. These packages are incompatible. If you find such a package, file a bug report.
 
To provide these features, this update system relies on:
 
Btrfs snapshots
 
Before a system update is started, a new Btrfs snapshot of the root file system is created. Then, all the changes from the update are installed into that Btrfs snapshot. To complete the update, you can then restart the system into the new snapshot.
 
To revert the update, simply boot from the previous snapshot instead.
 
A read-only root file system
Monte o sistema de ficheiros root inicial:
To avoid issues with and data loss because of updates, the root file system must not be written to otherwise. Therefore, the root file system is mounted read-only during normal operation.
 
To make this setup work, two additional changes to the file system needed to be made: To allow writing user configuration in <filename>/etc</filename>, this directory is automatically configured to use OverlayFS. <filename>/var</filename> is now a separate subvolume which can be written to by processes.
 
<emphasis>Transactional Server</emphasis> Needs At Least 12 GB of Disk Space
 
The system role <emphasis>Transactional Server</emphasis> needs a disk size of at least 12 GB to accommodate Btrfs snapshots.
 
YaST Does Not Work Transactional Mode
 
Currently, YaST does not work with transactional updates. This is because YaST performs things immediately and because it cannot edit a read-only filesystem.
 
To work with transactional updates, always use the command <command>transactional-update</command> instead of YaST and Zypper for all software management:
 
Update the system: <command>transactional-update up</command>
 
Install a package: <command>transactional-update pkg in <replaceable>PACKAGE_NAME</replaceable></command>
 
Remove a package: <command>transactional-update pkg rm <replaceable>PACKAGE_NAME</replaceable></command>
 
To revert the last snapshot, that is the last set of changes to the root file system, make sure your system is booted into the next to last snapshot and run: <command>transactional-update rollback</command>
 
Optionally, add a snapshot ID to the end of the command to rollback to a specific ID.
 
When using this system role, by default, the system will perform a daily update and reboot between 03:30 am and 05:00 am. Both of these actions are systemd-based and if necessary can be disabled using <command>systemctl</command>:
 
systemctl disable --now transactional-update.timer rebootmgr.service
 
For more information about transactional updates, see the openSUSE Kubic blog posts <link xlink:href="https://kubic.opensuse.org/blog/2018-04-04-transactionalupdates/"/> and <link xlink:href="https://kubic.opensuse.org/blog/2018-04-20-transactionalupdates2/"/>.
 

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  1. Release Notes for openSUSE
  2. Leap 15.4
  3. Portuguese
Mount the initialA read-only root file system:
2 years ago
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Source string description
(itstool) path: formalpara/title
Source string location
xml/release-notes.xml:141
String age
2 years ago
Last updated
a month ago
Source string age
2 years ago
Translation file
po/pt.po, string 29