/etc/init.d/slony1 start
 * Starting Slony-I daemon                                                                                                            mkdir: cannot create directory ‘/node1’: Permission denied
sh: 1: cannot create /node1/web_prod-2015-05-12.log: Directory nonexistent
mkdir: cannot create directory ‘/node2’: Permission denied
sh: 1: cannot create /node2/web_prod-2015-05-12.log: Directory nonexistent