4
votes
2answers
70 views

Definition of Fully qualified domain name

I tried to search to Internet for a definition of a FQDN. Wikipedia says, a FQDN specifies its exact location in the tree hierarchy of the Domain Name System (DNS) I would interpret this, that ...
1
vote
1answer
88 views

Tomcat resources not resolving correctly

I'm trying to deploy MITRE's OpenID Connect Java Spring Server using Tomcat. My server's FQDN is park.muller.io. I've compiled the MITRE server and placed the .war file into the Tomcat webapps ...
0
votes
1answer
420 views

How do I redirect/rewrite to the FQDN URL without setting ServerName?

Often in intranets, users will direct URLs to a hostname without supplying the FQDN. Example: http://internalHost Instead of http://internalHost.example.com I would like to redirect users / ...
0
votes
1answer
2k views

How to set the fqdn on a CentOS server? [duplicate]

I set my hostname in the /etc/sysconfig/network file to host.example.com HOSTNAME=host.example.com Fyi, I then issued a reboot on the machine. I have a problem with Puppet: when I run Facter on ...
5
votes
2answers
244 views

Validity of a FQDN with a hostname consisting entirely of numbers

Is a FQDN valid if the hostname component is entirely numeric? It's not something I've come across before and I'm not sure if something like the following is legal: 001.example.com. I know it's an ...
0
votes
2answers
198 views

What should I use for the FQDN of a server hosting only a subdomain?

I am setting up a server to host an application which will be on a subdomain, let's say "application.foo.com". "foo.com" is hosted on a completely different server, points to a different IP, etc. Do ...
5
votes
2answers
271 views

Why do I need to set a hostname?

I know there's quite a few questions about host names. But even after reading them, I didn't really understand the concept of host names entirely. So here's my question: I've been following this ...
2
votes
1answer
197 views

What would cause the hostname FQDN to repeat the suffix twice?

I have three new CentOS 6 servers that connect to a DHCP server to get an IP and to have DNS/rDNS setup to bind their FQDN and IP. Two of them are behaving as expected. One of them is appending the ...
0
votes
0answers
141 views

sudoers works with hostname but not with the full domain name (fqdn)

I'm using puppet to propagate a sudoers file to several environments with different domains like so: Host_Alias STG1 = *.stg1.wa.acme.com Host_Alias STG2 = *.stg2.wa.acme.com This works ...
1
vote
4answers
600 views

Setting FQDN hostname and dot

I was wondering if I am editing a file such as /etc/hosts or /etc/sysconfig/network should I put a . at the end of the name. such as test.example.com. Is there a difference? Would anything break ...
2
votes
1answer
125 views

Does not having FQDN in /etc/hosts cause any problems?

Just been looking through some servers and seen that the external ip is set up with the full and short names the wrong way round, e.g.: a.b.c.d myserver myserver.mycompany.org What sort of problems ...
1
vote
2answers
325 views

Links inside intranet: use fully qualified name, or just hostname?

When working in an intranet, it's often necessary to set up links to other computers (HTTP hyperlinks or shortcuts, hostname in various server config files, SSH shortcuts etc.). In all these cases, ...
3
votes
1answer
4k views

Debian squeeze: change to hostname makes other packages unhappy?

I'm working with a fresh Debian Squeeze install from Linode, and it looks like hostname behaves differently (from lenny) in a way that makes certain other packages unhappy. Viz: ...
20
votes
5answers
7k views

Hostnames - What are they all about?

I've recently been "forced" to perform some sysadmin work, while this isn't something that I absolutely love doing I've been reading, experimenting and learning a lot. There is one fundamental aspect ...
0
votes
2answers
2k views

Dig vs Whois on Nameserver Update and Reference to Unknown FQDN?

After running a dig on an old domain name moved from an old server to a new one, completely different IP and provider, I ran a dig and found that the listed nameserver does not match the one in the ...
2
votes
2answers
4k views

How can I find the domain (fqdn) for my machine if hostname doesn't return domain info and domainname returns empty?

As per the this question's title, hostname doesn't return domain info and domainname returns empty. I want to find out the full machine and domain for the machine I'm using (Mac OS X 10.5.8). How can ...