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Ok, I worked out that even though I was setting gksu to use sudo for authentication, this was all irrelevant as the shortcuts that I was using in the Xfce menu were starting applications using polkit and not gksu. From the Gentoo Wiki on polkit, I did: sudo bash -c "cat > /etc/polkit-1/rules.d/10-admin.rules" <<EOL ...


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You're on the right track, just the wrong command. Try: Enable sudo by installing app-admin/sudo....Done Configure sudo using visudo. Set the appropriate options .... Hopefully Done Use gksudo app-name instead of gksu app-name. In gentoo, gksudo is part of the package x11-libs/gksu, and the actual man page is at gksudo man page. As always make sure ...


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gksu acts like su, not sudo. That's why it asks you root password. Try to run gksudo instead if available. If not, you can run gksu --sudo-mode. Also, from the man page: Also notice that the library will decide if it should use su or sudo as backend using the /apps/gksu/sudo-mode gconf key, if you call the gksu command. You can force the backend by ...


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For some reason you've ended up with i386 cups-daemon installed, instead of amd64. That's why it ends up needing i386 PAM modules... To fix this, you need to remove cups-daemon and re-install the amd64 version; as root: apt-get remove cups-daemon:i386 apt-get install cups-daemon:amd64 If your dpkg architectures are set up correctly you should be able to ...


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After a whole day of trial-and-error, googling, installing and deinstalling endless packages, I found which one was the bad guy: apt-get install libpam-modules:i386 was the solution. So it seems that the cups package in Debian Jessie does not officially depend on libpam-modules:i386 even though it needs it.


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The easiest approach would probably be to set up a second location block with the alternate authentication.


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As one of the comments says it looks like Google have moved to blocking apps that are using IMAP/SMTP PLAIN authentication by default and you can read official blogs stating that Google strongly recommends IMAP/SMTP protocol users switch to OAuth 2.0 (as XMPP is also listed I wonder if (older?) OSX iChat will stop working with GTalk at some point). ...


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If you don't have access to the root account, but have the password of the user you want to use to run a command, you can do the following. This will ask you the toto's password : su - toto -c whoami This will not : ssh toto@localhost whoami Just install your public key in authorized_keys of toto Hope this can help ...



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