I am sorry, it's because of firewall. From: guxiaobo1982@hotmail.comTo: monetdb-users@lists.sourceforge.netDate: Sat, 17 Jan 2009 13:52:45 +0800Subject: [MonetDB-users] Can't connect to remote MonetDB5-SQL Server. I have installed all the rpms in my Fedora9 virtual machine:2009-01-17 12:07 3,339,229 MonetDB-1.26.2-1.fc9.oid32.i386.rpm2009-01-17 12:07 84,115 MonetDB-client-1.26.2-1.fc9.oid32.i386.rpm2009-01-17 12:37 7,988 MonetDB-SQL-2.26.2-1.fc9.oid32.i386.rpm2009-01-17 12:36 873,636 MonetDB-SQL-server5-2.26.2-1.fc9.oid32.i386.rpm2009-01-14 22:07 5,054,522 MonetDB5-server-5.8.2-1.fc9.oid32.i386.rpmAnd using the following steps recreated the demo database:shell>merovingian ###Start the proxy damoshell>monetdb destroy demoshell>monetdb create demoshell>monetdb start demo Now I can connect to the demo database using mclient -lsql -d demo from the local machine, then I changed "mapi_open=true" in the file /etc/monetdb5.conf and restarted all the server processes, but I still can't connect to databases from remote machines. BTW, how to stop the merovingian process, I used kill:( See all the ways you can stay connected to friends and family _________________________________________________________________ Drag n’ drop—Get easy photo sharing with Windows Live™ Photos. http://www.microsoft.com/windows/windowslive/photos.aspx