Hi I have what i think is a strange issue - All my users are NIS users and they can access this box fine. I have a MySQL server running on this box that is running fine. The OS 'root' user can authenticate and use MySQL fine e.g. [root at xxxxxxx]# mysql -u bugs -pxxxx bugs Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 5 to server version: 3.23.58 Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> Yes i know thats an ancient MySQL version but this is an app requirement, dont get me started! now when a NIS user tries to use the db [root at xxxx]# su - bugzilla bugzilla at xxxx$ mysql -u bugs -pxxxx bugs ERROR 2002: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (13) any ideas why this is or what i can do to make it work? thanks