From: intrigeri Date: Tue, 9 Dec 2008 10:56:15 +0000 (+0000) Subject: FAQ: new file, with first Q/A for duplicity vs. sudo related issues X-Git-Tag: backupninja-0.9.7~46 X-Git-Url: https://git.stderr.nl/gitweb?a=commitdiff_plain;h=ea9814ad2b78a7603d2b6f1b2916dc895aab9bd5;p=matthijs%2Fupstream%2Fbackupninja.git FAQ: new file, with first Q/A for duplicity vs. sudo related issues --- diff --git a/FAQ b/FAQ new file mode 100644 index 0000000..16a411e --- /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.