groupadd -g 23 nohidproc
usermod -a -G nohidproc polkitd
mount -o remount,rw,hidepid=2,gid=nohidproc /proc
systemctl restart polkit
echo "proc /proc proc defaults,hidepid=2,gid=nohidproc 0 0" >> /etc/fstab
mount -a
systemctl restart polkit