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From Aniket Kulkarni <>
Subject Re: Problems starting management server
Date Mon, 11 Mar 2013 06:49:38 GMT
Thanks Shanker. This was the problem. After removing hosts file entry for IPv6 and restoring things are still working. 
This should be added in trial installation guide for Centos/RHEL6.2+ steps. Otherwise all
new users like me will struggle each time to get the setup up and running. 

----- Original Message -----
From: "Shanker Balan" <>
To: "<>" <>
Sent: Monday, March 11, 2013 8:42:06 AM
Subject: Re: Problems starting management server

Hi Aniket, 

Is MySQL listening on the IPV6 loopback interface ::1? See below for the connection test on
a freshly installed CentOS 6.3 with MySQL. It fails on the V6 loopback. 

Fix could be to either bind MySQL to ::1 or to remove the V6 loopback entry in /etc/hosts.


[root@db01 ~]# telnet ::1 mysql 
Trying ::1... 
telnet: connect to address ::1: Connection refused 
[root@db01 ~]# telnet mysql 
Connected to 
Escape character is '^]'. 
telnet> Connection closed. 
[root@db01 ~]# 


Shanker Balan 
Managing Consultant 

M: +91 98860 60539 | | Twitter:@shapeblue 
ShapeBlue India, 22nd floor, Unit 2201, World Trade Centre, Bangalore - 560 055 
On 09-Mar-2013, at 10:05 PM, Aniket Kulkarni < > wrote: 

oh, I guess yes, it has. I'll try removing that and will try restoring file's
IP entries as before. But why IPv6 entry in hosts file will cause this issue? Any guess? 

----- Original Message ----- 
From: "David Nalley" < > 
Sent: Saturday, March 9, 2013 8:25:40 PM 
Subject: Re: Problems starting management server 

On Sat, Mar 9, 2013 at 2:55 AM, Aniket Kulkarni < > wrote: 

I tried logging in using cloud user too and it was working from mysql prompt but not from
cloudstack. But I figured it out. I changed and changed all "localhost" and
"" with actual management server IP. Management server and DB are on same node but
seems somehow mysql was blocking connections accessed with above two and was allowing by actual
IP. It is working fine now and I launched my first instance too! Looks cool so far. 

Thanks for pointers anyways. Problem was in exactly the same area. 

Does your /etc/hosts line have an IPV6 entry for localhost?? 
I've seen that cause that problem 


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