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Assigning two hostname to single server

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Operating Systems Solaris Assigning two hostname to single server
# 1  
Old 12-15-2008
Assigning two hostname to single server

Hi All,

Is there any option where in I can assign the two hostname to single system.

# 2  
Old 12-15-2008
Add the hostname to the /etc/hosts file to the existing IP. Let's say your host's IP is and your hostname is "myserv". You should already have:
Code:            myserv

Just append the new hostname, say "serv2" to this line:
Code:            myserv  serv2

# 3  
Old 12-15-2008
Thanks Otheus

What will I get if I issue the command

I will be having different ip for different hostname !
# 4  
Old 12-15-2008
What "hostname" returns actually depends on a number of things. I think in Solaris it depends on what is the name of the first hostname of the first interface given at boot time in
/etc/hostname.XXXX, where XXXX is the name of an ethernet interface. Hopefully a Sun expert can elaborate on this.

In fact, you will get the SAME ip for different hostnames. Do you WANT different IPs??
# 5  
Old 12-15-2008
Not sure as if system is going to take the hostname from /etc/hostname.xxx as per my understanding to make it persistence across the system boot we place the entry into the file /etc/nodename . not sure as in case of two name how and where entries need to be place.

Will appreciate expert’s views and ideas
# 6  
Old 12-15-2008
A server only has one hostname. Unless your server has domains, zones etc
# 7  
Old 12-15-2008
Kumarmani is correct: In solaris 9, it was definitely /etc/nodename. I forgot about that (more than once).

The point is, your host can respond to multiple hostnames just by assigning to one of the existing IPs a new hostname in /etc/hosts. The official name returned by the command "hostname", however, will not change until you change /etc/nodename and reboot.
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