scp /a/bin/devbyid root@$faiserver_host:/srv/fai/nfsroot/usr/local/bin
ssh root@$faiserver_host bash <<'EOF'
set -eE -o pipefail
+set -x
chmod 644 /srv/fai/config/files/home/ian/.ssh/authorized_keys/GRUB_PC
chmod -R a+rX /srv/fai/config/distro-install-common
cd /srv/fai/config/basefiles
u=http://fai-project.org/download/basefiles/XENIAL64.tar.xz
-wget -nv -O /srv/fai/config/basefiles/${u##*/} $u
+wget -nv -N $u
EOF