[lfs] branch trunk updated: systemd: network: Add a note about temporary static resolv.conf for the chroot environment

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The following commit(s) were added to refs/heads/trunk by this push:
     new 91a62d09e systemd: network: Add a note about temporary static resolv.conf for the chroot environment
91a62d09e is described below

commit 91a62d09e50b88ea45c308c78c2fdb534fb11e0c
Author: Xi Ruoyao <[email protected]>
AuthorDate: Sun Jul 20 00:55:31 2025 +0800

    systemd: network: Add a note about temporary static resolv.conf for the chroot environment
    
    I still think this is obvious but it seems some people are surprised by
    "unknown host" in chroot.  Let's just note it before they propose a
    change for every BLFS package of which the build process requires an
    Internet connection.
---
 chapter09/networkd.xml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/chapter09/networkd.xml b/chapter09/networkd.xml
index eb348ec1e..7c947a9eb 100644
--- a/chapter09/networkd.xml
+++ b/chapter09/networkd.xml
@@ -213,6 +213,21 @@ EOF</userinput></screen>
       <filename>/run/systemd/resolve/stub-resolv.conf</filename>. So it's
       unnecessary to create a <filename>/etc/resolv.conf</filename>
       manually.</para>
+
+      <note>
+        <para>
+          If you want to use <command>systemd-resolved</command> for the
+          LFS system but you need to access the Internet in the chroot
+          environment (for example, for building a BLFS package of which the
+          build process requires an Internet connection), create the
+          <filename>/etc/resolv.conf</filename> file following the
+          static configuration below for the chroot environment so the name
+          resolution will work in the chroot environment.  When you exit
+          the chroot environment, remove it so
+          <command>systemd-resolved</command> will create the symlink on
+          boot.
+        </para>
+      </note>
       <!--Create a
       symlink in <filename>/etc</filename> to use the generated file:</para>
 

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