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-rw-r--r--en/appendix/preseed.xml8
1 files changed, 8 insertions, 0 deletions
diff --git a/en/appendix/preseed.xml b/en/appendix/preseed.xml
index 762e02bae..b78d1aa4e 100644
--- a/en/appendix/preseed.xml
+++ b/en/appendix/preseed.xml
@@ -1578,6 +1578,14 @@ This will of course only have effect for parameters that correspond to
questions that are actually displayed during an installation and not for
<quote>internal</quote> parameters.
+</para><para>
+
+For more debugging information, use the boot parameter
+<classname>DEBCONF_DEBUG=5</classname>.
+This will cause <classname>debconf</classname> to print much more detail
+about the current settings of each variable and about its progress through
+each package's installation scripts.
+
</para>
</sect2>