+
+# footenote: when on a foreign distro and using Xfce, don't forget to
+# disable its auto-start of gpg- and ssh-agent, by issuing
+# xfconf-query -c xfce4-session -p /startup/ssh-agent/enabled -n -t bool -s false
+# xfconf-query -c xfce4-session -p /startup/gpg-agent/enabled -n -t bool -s false
+# see https://docs.xfce.org/xfce/xfce4-session/advanced#ssh_and_gpg_agents
+# also, MATE does something similar with gnome-keyring-daemon:
+# http://william.shallum.net/random-notes/disabling-gnome-keyring-daemon-ssh-agent-on-mate-desktop