Thanks again for your help! I am making some progress I think! This is what happened this time:

frog@xxx:/home/xxx$ /home/frog/bin/config-steemd.bash miner
realpath: /var/local/steemd/configs/config.miner.ini: Permission denied
/home/frog/bin/config-steemd.bash: line 14: cd: /var/local/steemd/witness_node_data_dir: Permission denied
ln: failed to create symbolic link 'config.ini': Permission denied
chown: cannot access 'config.ini': No such file or directory