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Merge branch 'trunk' into openrc

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Done per Zeckma's request in Discord
This commit is contained in:
Douglas R. Reno
2026-04-08 15:44:17 -05:00
parent b2cf72dbd1 45fd83b871
commit 3c0128bb60
1 changed files with 23 additions and 10 deletions
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33
chapter10/fstab.xml
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@@ -70,33 +70,46 @@ EOF</userinput></screen>
interpreted in the UTF-8 locale.</para>
<para>
When booting with UEFI, the ESP must be formatted as a FAT filesystem, most
When installing GRUB with UEFI, the ESP must be formatted as a FAT filesystem, most
commonly VFAT. This file sees it as VFAT regardless. An example of how you
would go about an entry for the ESP would look like this:
</para>
<screen><userinput>cat &gt;&gt; /etc/fstab &lt;&lt; "EOF"
<literal>/dev/<replaceable>&lt;zzz&gt;</replaceable> /boot/efi vfat rw,relatime,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 2</literal>
<literal>/dev/<replaceable>&lt;zzz&gt;</replaceable> /boot/efi vfat rw,relatime,codepage=437,iocharset=iso8859-1 0 2</literal>
EOF</userinput></screen>
<para>
The <literal>iso8859-1</literal> IO charset is used here since UEFI
firmware implementations search for <filename
class="directory">\EFI\BOOT\BOOT...EFI</filename>, which in a
case-sensitive environment would not be satisfied. So that charset is used
to ensure the EFI image can be found.
The <literal>iso8859-1</literal> IO charset is used here as we'll
enable it as a part of the kernel UEFI configuration in
<xref linkend='ch-bootable-kernel'/>. Technically the IO charset should
match your locale as we've discussed above. However the name of all the
files in the ESP only contains 7-bit ASCII characters, so things will
be OK as long as the character set for your locale treats 7-bit ASCII
characters in the same way as ISO-8859-1. For example, UTF-8 is such
a character set.
</para>
<!--note>
<para>In the latter case, the kernel emits the following message:</para>
<note>
<para>
The EFI filesystem only needs to be mounted when installing GRUB.
The system uses this partition before the kernel is loaded and is not used
otherwise. An alternative to adding this entry to the fstab file is to
manually mount it before running <command>grub-install</command> below
in <xref linkend="ch-bootable-grub"/>.
</para>
</note>
<!--<para>In the latter case, the kernel emits the following message:</para>
<note>
<screen><computeroutput>FAT: utf8 is not a recommended IO charset for FAT filesystems,
filesystem will be case sensitive!</computeroutput></screen>
<para>This negative recommendation should be ignored, since all other values
of the <quote>iocharset</quote> option result in wrong display of filenames in
UTF-8 locales.</para>
</note-->
</note>-->
<para>It is also possible to specify default codepage and iocharset values for
some filesystems during kernel configuration. The relevant parameters