Configuring hostname, domainname, and IP address

HI,

Sorry to ask another dumb question.

I want to configure my Redhat Advanced server 2.1 to
into a local network. I plan to have only two nodes.

hostname: red
ip address: 10.0.0.1
domainname: testrac.com

hostname: white
ip address: 10.0.0.2
domainname: testrac.com

So far, I am only working with the first machine, red.
I'm trying to get the machine to recognize itself as
red.testrac.com, at IP 10.0.0.1. On domain: testrac.com


I have modified these files:

cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 red red.testrac.com localhost.localdomain localhost
10.0.0.1 red red.testrac.com


cat /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=red.testrac.com



hostname
red.testrac.com

hostname --short
red

hostname --long
red
(odd. Why not the whole name?)


domainname
(none)

dnsdomainname
- nothing


ping red.testrac.com

PING red (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
64 bytes from red (127.0.0.1): icmp_seq=0 ttl=255 time=281 usec

- looks at 127.0.0.1, not 10.0.0.1


ping 10.0.0.1
connect: Network is unreachable

------------

I would like the command domainname to return:
testrac.com, and ping 10.0.0.1 to find itself.

What am I missing here? It is something with the dns?


Thanks

(E-Mail Removed) wrote:
> HI,
>
> Sorry to ask another dumb question.
>
> I want to configure my Redhat Advanced server 2.1 to
> into a local network. I plan to have only two nodes.
>
> hostname: red
> ip address: 10.0.0.1
> domainname: testrac.com
>
> hostname: white
> ip address: 10.0.0.2
> domainname: testrac.com
>
> So far, I am only working with the first machine, red.
> I'm trying to get the machine to recognize itself as
> red.testrac.com, at IP 10.0.0.1. On domain: testrac.com
>
>
> I have modified these files:
>
> cat /etc/hosts
> # Do not remove the following line, or various programs
> # that require network functionality will fail.
> 127.0.0.1 red red.testrac.com localhost.localdomain localhost
> 10.0.0.1 red red.testrac.com
>
>
> cat /etc/sysconfig/network
> NETWORKING=yes
> HOSTNAME=red.testrac.com
>
>
>
> hostname
> red.testrac.com
>
> hostname --short
> red
>
> hostname --long
> red
> (odd. Why not the whole name?)
Switch the red and the red.testrac.com in your host file.
>
>
> domainname
> (none)
>
> dnsdomainname
> - nothing
>
>
> ping red.testrac.com
>
> PING red (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
> 64 bytes from red (127.0.0.1): icmp_seq=0 ttl=255 time=281 usec
>
> - looks at 127.0.0.1, not 10.0.0.1
Look to your /etc/hosts file. You have red.testrac.com as 127.0.0.1 as
well as 10.0.0.1 and it is finding the 127.0.0.1 first. Remove the red
and red.testrac.com from the 127.0.0.1 line.
>
>
> ping 10.0.0.1
> connect: Network is unreachable
>
> ------------
>
> I would like the command domainname to return:
> testrac.com, and ping 10.0.0.1 to find itself.
>
> What am I missing here? It is something with the dns?
>
>
> Thanks
Off the top of my head I am not sure about the domainname commands
result but I will see what I can find.

--
Thanks
Charles LaCour

On 1 Jan 2004 17:13:08 -0800, (E-Mail Removed) wrote:

>cat /etc/hosts
># Do not remove the following line, or various programs
># that require network functionality will fail.
>127.0.0.1 red red.testrac.com localhost.localdomain localhost
>10.0.0.1 red red.testrac.com
>
>
Umm try it this way...

127.0.0.1 localhost.localdomain localhost
10.0.0.1 red.testrac.com red

The lo and eth0 nics must have unique names (1st name after the IP
address) and unique aliases (subsequent names on same line).

>cat /etc/sysconfig/network
>NETWORKING=yes
>HOSTNAME=red.testrac.com
>
>
I think you should also have a gateway statement in the
/etc/sysconfig/network file, something like...

GATEWAY=10.0.0.254


FYI: The new convention is that .1 is the gateway device and the old
convention is that .254 is the gateway device. Truth be know, it can be
any valid IP within your network. Just be aware that most network
devices (like routers) will have a factory default of one or the other.


Brad
--
"Diplomacy is the art of letting someone else get your way."
Unknown
Bradley W. Olin
http://www.bwo1.com

(E-Mail Removed) wrote:

> HI,
>
> Sorry to ask another dumb question.
>
> I want to configure my Redhat Advanced server 2.1 to
> into a local network. I plan to have only two nodes.
>
> hostname: red
> ip address: 10.0.0.1
> domainname: testrac.com
>
> hostname: white
> ip address: 10.0.0.2
> domainname: testrac.com
>
> So far, I am only working with the first machine, red.
> I'm trying to get the machine to recognize itself as
> red.testrac.com, at IP 10.0.0.1. On domain: testrac.com
>
>
> I have modified these files:
>
> cat /etc/hosts
> # Do not remove the following line, or various programs
> # that require network functionality will fail.
> 127.0.0.1 red red.testrac.com localhost.localdomain localhost
> 10.0.0.1 red red.testrac.com
>

The format is FQDN followed by aliases

This is what it should read instead
127.0.0.1 red.testrac.com red localhost.localdomain localhost
--------------- +++ +++++++++++++++++++++ +++++++++
where ---- is the fully qualified domainname
and ++++ are aliases

>
> cat /etc/sysconfig/network
> NETWORKING=yes
> HOSTNAME=red.testrac.com

Ok

> hostname --long
> red
> (odd. Why not the whole name?)

Because the hosts file is barfed

>
>
> domainname
> (none)

Ok

>
> dnsdomainname
> - nothing

Should read
dnsdomainname
testrac.com red


Later Dude

Baho Utot <baho-(E-Mail Removed)> writes:

](E-Mail Removed) wrote:

]> HI,
]>
]> Sorry to ask another dumb question.
]>
]> I want to configure my Redhat Advanced server 2.1 to
]> into a local network. I plan to have only two nodes.
]>
]> hostname: red
]> ip address: 10.0.0.1
]> domainname: testrac.com
]>
]> hostname: white
]> ip address: 10.0.0.2
]> domainname: testrac.com
]>
]> So far, I am only working with the first machine, red.
]> I'm trying to get the machine to recognize itself as
]> red.testrac.com, at IP 10.0.0.1. On domain: testrac.com
]>
]>
]> I have modified these files:
]>
]> cat /etc/hosts
]> # Do not remove the following line, or various programs
]> # that require network functionality will fail.
]> 127.0.0.1 red red.testrac.com localhost.localdomain localhost
Call this localhost and do not use the words red or red.testrac.com for
it. On reading the hosts file it is the FIRST instance which is taken.
This means that red would always come out as 127.0.0.1 which is not
always what you want.


]> 10.0.0.1 red red.testrac.com
]>

]The format is FQDN followed by aliases

]This is what it should read instead
] 127.0.0.1 red.testrac.com red localhost.localdomain localhost
] --------------- +++ +++++++++++++++++++++ +++++++++
]where ---- is the fully qualified domainname
]and ++++ are aliases

It does not really matter. It is just that the first name is what is
returned on a reverse lookup. If you are ok with it just returning red
your original is fine. I ahve loads of machines that do that and
everything works fine. In a hosts file there is no need for a fully
qualified domain name for local stuff.


]>
]> cat /etc/sysconfig/network
]> NETWORKING=yes
]> HOSTNAME=red.testrac.com

]Ok

]> hostname --long
]> red

Why do you care?
]> domainname
]> (none)

Why do you care?


]> dnsdomainname
]> - nothing

Why do you care?

Jeroen Geilman <(E-Mail Removed)> writes:

]> hostname: red
]> ip address: 10.0.0.1

]Don't do that - it is not officially allowed in IP networking.

]Use 10.1.1.1 if you must, but in any case you will have to set the
]netmask by hand to 255.255.255.0, as it is not a standard class C subnet.

Why? a zero in the non-last position is fine. Yes, you may have to set
the netmask by hand, but so what. And so what if it is 255.0.0.0? It is
a private address space anyway.


]>
]> PING red (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
]> 64 bytes from red (127.0.0.1): icmp_seq=0 ttl=255 time=281 usec
]>
]> - looks at 127.0.0.1, not 10.0.0.1

]Of course it does - you told it to!

Because teh first occurance of red in /etc/hosts is the 127.0.0.1 IP
address. It takes the first occurance.


]> ping 10.0.0.1
]> connect: Network is unreachable

This is a routing problem. What is the output of route?

Thanks for the responses. Ok, I tried this:

change /etc/hosts to:

# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 red.testrac.com red localhost.localdomain localhost
10.0.0.1 red.testrac.com red

reboot

ping -c 1 red
PING red.testrac.com (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
64 bytes from red.testrac.com (127.0.0.1): icmp_seq=0 ttl=255 time=302 usec

# ping -c 1 red.testrac.com
PING red.testrac.com (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
64 bytes from red.testrac.com (127.0.0.1): icmp_seq=0 ttl=255 time=17 usec

- it's still looking at 127.0.0.1

hostname --long
red.testrac.com

hostname --short
red


But, it still can't see the IP address that I want to assign
to this machine:

ping -c 1 10.0.0.1
connect: Network is unreachable

dnsdomainname
testrac.com

How do I assign the IP address to the machine?

Thanks


---------------

BTW, I notice that your domain is: philippines-island.org Two of
my girlfriends were Phillipina (not at the same time). They
picked me. They had long hair past their waist.


---------------


Baho Utot <baho-(E-Mail Removed)> wrote in message news:<e04fc1-(E-Mail Removed)>...
> (E-Mail Removed) wrote:
>
> > HI,
> >
> > Sorry to ask another dumb question.
> >
> > I want to configure my Redhat Advanced server 2.1 to
> > into a local network. I plan to have only two nodes.
> >
> > hostname: red
> > ip address: 10.0.0.1
> > domainname: testrac.com
> >
> > hostname: white
> > ip address: 10.0.0.2
> > domainname: testrac.com
> >
> > So far, I am only working with the first machine, red.
> > I'm trying to get the machine to recognize itself as
> > red.testrac.com, at IP 10.0.0.1. On domain: testrac.com
> >
> >
> > I have modified these files:
> >
> > cat /etc/hosts
> > # Do not remove the following line, or various programs
> > # that require network functionality will fail.
> > 127.0.0.1 red red.testrac.com localhost.localdomain localhost
> > 10.0.0.1 red red.testrac.com
> >
>
> The format is FQDN followed by aliases
>
> This is what it should read instead
> 127.0.0.1 red.testrac.com red localhost.localdomain localhost
> --------------- +++ +++++++++++++++++++++ +++++++++
> where ---- is the fully qualified domainname
> and ++++ are aliases
>
> >
> > cat /etc/sysconfig/network
> > NETWORKING=yes
> > HOSTNAME=red.testrac.com
>
> Ok
>
> > hostname --long
> > red
> > (odd. Why not the whole name?)
>
> Because the hosts file is barfed
>
> >
> >
> > domainname
> > (none)
>
> Ok
>
> >
> > dnsdomainname
> > - nothing
>
> Should read
> dnsdomainname
> testrac.com red
>
>
> Later Dude

On 2 Jan 2004 13:20:44 -0800, (E-Mail Removed) wrote:
> Thanks for the responses. Ok, I tried this:
>
> change /etc/hosts to:
>
> # Do not remove the following line, or various programs
> # that require network functionality will fail.
> 127.0.0.1 red.testrac.com red localhost.localdomain localhost
> 10.0.0.1 red.testrac.com red
>
> reboot
>
> ping -c 1 red
> PING red.testrac.com (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
> 64 bytes from red.testrac.com (127.0.0.1): icmp_seq=0 ttl=255 time=302 usec
>
> # ping -c 1 red.testrac.com
> PING red.testrac.com (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
> 64 bytes from red.testrac.com (127.0.0.1): icmp_seq=0 ttl=255 time=17 usec


Well, make up your mind.
If you want 10,0,0,1
127.0.0.1 localhost.localdomain localhost
10.0.0.1 red.testrac.com red
or
127.0.0.1 red.testrac.com red localhost.localdomain localhost

Bill Unruh wrote:

> Baho Utot <baho-(E-Mail Removed)> writes:
>
> ](E-Mail Removed) wrote:
>
> ]> HI,
> ]>
> ]> Sorry to ask another dumb question.
> ]>
> ]> I want to configure my Redhat Advanced server 2.1 to
> ]> into a local network. I plan to have only two nodes.
> ]>
> ]> hostname: red
> ]> ip address: 10.0.0.1
> ]> domainname: testrac.com
> ]>
> ]> hostname: white
> ]> ip address: 10.0.0.2
> ]> domainname: testrac.com
> ]>
> ]> So far, I am only working with the first machine, red.
> ]> I'm trying to get the machine to recognize itself as
> ]> red.testrac.com, at IP 10.0.0.1. On domain: testrac.com
> ]>
> ]>
> ]> I have modified these files:
> ]>
> ]> cat /etc/hosts
> ]> # Do not remove the following line, or various programs
> ]> # that require network functionality will fail.
> ]> 127.0.0.1 red red.testrac.com localhost.localdomain
> localhost Call this localhost and do not use the words red or
> red.testrac.com for it. On reading the hosts file it is the FIRST instance
> which is taken. This means that red would always come out as 127.0.0.1
> which is not always what you want.
>
>
> ]> 10.0.0.1 red red.testrac.com
> ]>
>
> ]The format is FQDN followed by aliases
>
> ]This is what it should read instead
> ] 127.0.0.1 red.testrac.com red localhost.localdomain localhost
> ] --------------- +++ +++++++++++++++++++++ +++++++++
> ]where ---- is the fully qualified domainname
> ]and ++++ are aliases
>
> It does not really matter. It is just that the first name is what is
> returned on a reverse lookup. If you are ok with it just returning red
> your original is fine. I ahve loads of machines that do that and
> everything works fine. In a hosts file there is no need for a fully
> qualified domain name for local stuff.

I was just giving them the proper format. If you want it set properly then
that is the way its supposed to be. I set things as they should be to
avoid problems later. Just because it works don't make it right.
I don't have any problem with my networking.


>
>
> ]>
> ]> cat /etc/sysconfig/network
> ]> NETWORKING=yes
> ]> HOSTNAME=red.testrac.com
>
> ]Ok
>
> ]> hostname --long
> ]> red
>
> Why do you care?

I don't

> ]> domainname
> ]> (none)
>
> Why do you care?

I don't
>
>
> ]> dnsdomainname
> ]> - nothing
>
> Why do you care?

I don't

(E-Mail Removed) wrote:

> Thanks for the responses. Ok, I tried this:
>
> change /etc/hosts to:
>
> # Do not remove the following line, or various programs
> # that require network functionality will fail.
> 127.0.0.1 red.testrac.com red localhost.localdomain localhost
> 10.0.0.1 red.testrac.com red
>
> reboot
>
> ping -c 1 red
> PING red.testrac.com (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
> 64 bytes from red.testrac.com (127.0.0.1): icmp_seq=0 ttl=255 time=302
> usec
>
> # ping -c 1 red.testrac.com
> PING red.testrac.com (127.0.0.1) from 127.0.0.1 : 56(84) bytes of data.
> 64 bytes from red.testrac.com (127.0.0.1): icmp_seq=0 ttl=255 time=17 usec
>
> - it's still looking at 127.0.0.1

Thats because the 127.0.0.1 line is before the 10.0.0.1 try to swap them.

>
> hostname --long
> red.testrac.com
>
> hostname --short
> red
>
>
> But, it still can't see the IP address that I want to assign
> to this machine:
>
> ping -c 1 10.0.0.1
> connect: Network is unreachable
>
> dnsdomainname
> testrac.com
>
> How do I assign the IP address to the machine?
>

If I understand the problem then it is assigned by ifconfig on boot, either
by DHCP or a static setting.


> BTW, I notice that your domain is: philippines-island.org Two of
> my girlfriends were Phillipina (not at the same time). They
> picked me. They had long hair past their waist.
>
>

Yes I don't think two at the same time works