Unable to make or open a FIFO for universal variables with path '/run/user/1000/fishd.
https://bugzilla.redhat.com/show_bug.cgi?id=753882#c17
会影响fish shell,
vim /etc/pam.d/su
在
include common-session
之前加上
session required pam_loginuid.so
即可
su -l does not set $XDG_RUNTIME_DIR for the new user
https://lists.opensuse.org/opensuse-bugs/2012-02/msg02070.html