Long story short: why isn't this (simplified) sample working?
root:# sudo -C 3 -u regular-user cat /dev/fd/3 3< /var/log/syslog
cat: /dev/fd/3: No Such file or directory
There is a file that contains
in my /etc/sudoers.d
I am using bash 4.2.20 and Debian Wheezy
Thank you so much for your help!