From ea9814ad2b78a7603d2b6f1b2916dc895aab9bd5 Mon Sep 17 00:00:00 2001
From: intrigeri <intrigeri@boum.org>
Date: Tue, 9 Dec 2008 10:56:15 +0000
Subject: [PATCH] FAQ: new file, with first Q/A for duplicity vs. sudo related
 issues

---
 FAQ | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 FAQ

diff --git a/FAQ b/FAQ
new file mode 100644
index 00000000..16a411e6
--- /dev/null
+++ b/FAQ
@@ -0,0 +1,19 @@
+Q: duplicity works fine when run standalone, but complains about gpg
+"public key not found" when run from backupninja
+
+A: We bet you're using sudo to run both duplicity and backupninja, and have been
+using sudo as well when generating the GnuPG key pair used by duplicity.
+
+Quick fix: generate a new GnuPG key pair in a root shell, or using
+"sudo -H" instead of plain sudo.
+
+Another solution: import the GnuPG keypair into the root user's keyring, taking
+care of running "gpg --update-trustdb" in a root shell or using "sudo -H"
+afterwards, in order to tag this keypair as "ultimately trusted".
+
+Detailed explanation: sudo does not change $HOME by default, so GnuPG saved the
+newly generated key pair to your own keyring, rather than to the root user's
+keyring. Running "sudo duplicity" hides the problem, as it uses your own
+keyring. Running "sudo backupninja" reveals the problem, as backupninja uses
+"su" to make sure it runs duplicity in a real root environment, i.e. using the
+root user's GnuPG keyring.
-- 
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