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authorXi Ruoyao <xry111@xry111.site>2023-04-10 16:17:17 +0800
committerXi Ruoyao <xry111@xry111.site>2023-04-10 16:17:17 +0800
commita4b0c6d60a7d6c112fbc6a43e868ac65b34b16bf (patch)
tree23a23219ce7379989bdeb7e0d4b0dc6e00e7f8ea
parentdfde6640ebad505e7af7dc204a0e2c16dfddfb1e (diff)
eudev: Set /dev/kvm mode to 0660 and tag it "uaccess"
See the parent commit for rationale.
-rw-r--r--chapter08/eudev.xml16
1 files changed, 14 insertions, 2 deletions
diff --git a/chapter08/eudev.xml b/chapter08/eudev.xml
index 0cce469e1..f4c5ac5d2 100644
--- a/chapter08/eudev.xml
+++ b/chapter08/eudev.xml
@@ -40,8 +40,6 @@
<sect2 role="installation">
<title>Installation of Eudev</title>
-
-
<para>First fix the location of udev rules in the .pc file:</para>
<screen><userinput remap="pre">sed -i '/udevdir/a udev_dir=${udevdir}' src/udev/udev.pc.in</userinput></screen>
@@ -89,6 +87,20 @@ make -f &udev-lfs-version;/Makefile.lfs install</userinput></screen>
</indexterm>
<indexterm zone="conf-eudev">
+ <primary sortas="e-/etc/udev/rules.d/65-kvm.rules">/etc/udev/rules.d/65-kvm.rules</primary>
+ </indexterm>
+
+ <para>
+ The default udev rule installed by Eudev would allow all users to
+ access <filename class='devicefile'>/dev/kvm</filename>. The editors
+ consider it dangerous. Create a configuration file to override it:
+ </para>
+
+<screen><userinput remap="configure">cat > /etc/udev/rules.d/65-kvm.rules &lt;&lt; "EOF"
+<literal>KERNEL=="kvm", GROUP="kvm", MODE="0660", TAG+="uaccess"</literal>
+EOF</userinput></screen>
+
+ <indexterm zone="conf-eudev">
<primary sortas="e-/etc/udev/hwdb.bin">/etc/udev/hwdb.bin</primary>
</indexterm>