Hostname is a label assigned to a device connected to a computer network used to identify the device.

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4
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3answers
8k views

Apache proxy_http redirect to ip and set hostname

hopefully you guys can help me with a proxy problem I have. What I already have I have set up an apache http reverse proxy, to proxy requests from *.proxy.domain to *.intern.domain. The apache is ...
0
votes
0answers
163 views

How do I stop a Linux computer from sending a DHCP hostname?

I need to set up a Linux computer so that it uses DHCP but doesn't send any hostname at all. I'm using isc-dhclient-4.2.4 /etc/dhcp/dhclient.conf contains the line send host-name = gethostname(); ...
6
votes
3answers
289 views

Same IP on many systems in different environments

I work in an environment where there are multiple locations, and in each locations we have the same IP addressing scheme, that is, we have many machines (one in each location) that share the same IP ...
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votes
2answers
1k views

Linux PC is not reachable through hostname when static ip is configured [closed]

I'm using Ubuntu 12.04 on PC. when the PC is configured to use DHCP, the pc is accessable through it's hostname. but when I set static ip, I can't reach the PC through the hostname. What is the ...
0
votes
1answer
7k views

VPS hostname, ns1 and ns2 prefix [closed]

Sorry for the stupid question. I'm completely new to servers in general and I want to sign up for a VPS. On the sign-up page, I have to fill in these fields: I have no idea what I should write ...
3
votes
3answers
23k views

Determining the name of the VMware host of a VM guest - from the guest

Is it possible to determine the name of the VMware host (ESX or ESXi) that my guest resides in, from within the guest itself? I would expect this to be possible via VMware Tools, but am not sure ...
1
vote
2answers
5k views

How can I configure myhostname to work with Postfix?

I'm going through the process of setting up a Discourse forum on my server (Ubuntu 12.04 x64) and am getting stuck at the point where I have to configure mailers. I'm following Discourse's ...
4
votes
4answers
323 views

What's the point of changing the hostname on my server?

I know that changing my DNS records to point to my IP address is how I get my server accessible, so that a request for myDomain.com points to my IP address. With that said, why does a machine need to ...
2
votes
1answer
5k 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 ...
6
votes
2answers
520 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
741 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 ...
7
votes
2answers
149 views

Case sensitive hostnames

I have a very quick question regarding case sensitive Greek hostnames. For example, if I wished to register the hostname using the Greek letter omega Ω, like so: ΩΩΩΩ.com, it would in actual fact ...
0
votes
1answer
389 views

make php mail() send relevant domain name and not from default server hostname

I'm not the sharpest server administrator in the draw, so i hope this isn't too much of a stupid question. I'm looking to make php mail() send relevant domain name and not from default server ...
3
votes
2answers
5k views

Can a hostname be added to syslog-ng?

How can syslog-ng be configured to send both the hostname and the IP address. Currently, logs are sent with the IP address of the device/machine, but we want to add the hostname so I could keep my ip ...
-1
votes
1answer
300 views

How to get the computer's name running OSX from its IP

Some computer is doing some large data transfer on the office network, which we could only get the IP address. We know that it is running OSX, but we do not know its computer name so we do not know ...
1
vote
1answer
536 views

DHCP clients: Where is the hostname going to come from

We are building a private cloud here, VMs have at least 2 NICs, sometimes 3 or 4, each may be statically configured for IPv4 and/or IPv6 or be configured by DHCP or a combo of the two. Yes it's a ...
3
votes
1answer
741 views

How to reset and persist the hostname and FQDN of an WIdows Azure Centos instance?

How does one reset a hostname and domain name (FQDN) to localhost.localdomain on a Centos 6.2 Azure Instance? I've tried editing /etc/sysconfig/network, /etc/sysctl.conf, setting the hostname manually,...
5
votes
5answers
4k views

Does it really matter what your server's hostname is?

I'm kind of hesitating if I should use a subdomain or just a plain word as hostname. E.g. my domain name is domain.com and my server's hostname ip1.domain.com. This might be a strange question but ...
0
votes
3answers
3k views

Identify the computer owning an IP address whose DNS record is 'borrowed' from an old computer

I am in the process of clearing out old computer accounts from an Active Directory domain that I inherited responsibility for. In this environment stale records are not removed from DNS so there are ...
0
votes
1answer
566 views

IIS: make hostname point to website

I am deploying to my .net project to host.domain.com/Default Web Site/ProjectName. I would like to make it so that the URL "host.domain.com" points to my application. I suspect I don't have the ...
1
vote
1answer
3k views

changing IP address of websphere installation

i am not a websphere expert. we are migrating our websphere application to a different server (which has a different IP and hostname). we use WAS network deployment v 6.1. I came across some articles ...
5
votes
2answers
1k 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
543 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 ...
1
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2answers
4k views

Modifying /etc/hosts to easily access a domain name (or ip address) for amazon EC2 instance

I previously added into my local(Mac OS x 10.6) /etc/hosts file my server's public ip something like this: 123.123.123.123 myServer to allow me to ssh to myServer without having to remember the ip ...
0
votes
1answer
320 views

Mail Server on CentOS - Can the domain name and hostname be the same?

Don't know how silly this question sounds, but can I make the mail server hostname the same as the domain name? Example: Typical Mailserver setup: hostname: mail.example.com domain name: example....
0
votes
1answer
151 views

Postfix wrong setup [duplicate]

I'm in troubles with postfix, hostname and google spam. I have a virtual server, that hosts a few domains. Each domain has mail, lets, say info@thatdomain.com. One of those domains, lets say special....
0
votes
1answer
114 views

Why is apache2 using the default vhost if I request a domain that is the same as the servers hostname, and how can I prevent it?

I have a website that I want to be able to reach using http://mydomain.com as well as http://www.mydomain.com Recently I configured my servers hostname to mydomain.com I have installed apache2 in ...
1
vote
2answers
795 views

Site to Site VPN with ISA 2006 to a Dyndns Hostname?

I would like to create a site-to-site VPN between my ISA 2006 and a DLink router on the other side. My ISA got a fixed external IP Address, but the Dlink only has a dynamic one. So it makes use of ...
3
votes
3answers
7k views

What is proper relationship between /etc/hosts and DNS A records for a Linux server?

I have an Ubuntu server. It is going to be a web server with a URI of www.example.com. I have a DNS A record pointing www.example.com to the server's IP address. Let's say I pick "trinity" as the ...
-1
votes
2answers
176 views

Can I use the server ip as its fully qualified hostname?

I am setting up a dedicated mysql box, and I am not assigning any domain name to it, as it will be a backend server. Can I set its ip address as its fully qualified hostname? I am installing ...
3
votes
3answers
16k views

Vagrant - access guest from host via hostname [closed]

I have vagrant 1.2.2 installed in my development machine; a laptop. I use same laptop in three different environments with different networking settings. My VagrantFile looks like: Vagrant.configure(...
0
votes
2answers
115 views

Configuring the domain for a server: hostname vs. subdomain / should the hostname be in DNS?

I'm inexperienced with server administration and in the process of learning how to properly assign a domain name to a server. I'm trying to figure out if I should enter the server's hostname into the ...
-9
votes
1answer
95 views

Can you identify the hostname of machine where a webpage is hosted? [closed]

At my company, there is an internal cgi script that I regularly use. Is there any way I can identify the hostname of that machine by just the url? Unfortunately, the hostname is not within the url. ...
2
votes
1answer
575 views

postfix change to address based on sending host

We have one central postfix mailserver and some more application servers behind whereas those servers relaying the mails trough the central mailserver. now i want to configure the central one to ...
3
votes
1answer
5k 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: clements@debian:/tmp/...
0
votes
3answers
205 views

Use SSH hostname aliases in browser

I set up hostname aliases in .ssh/config, which works great: Host my-web HostName 515.346.96.21 So I can do this: ssh my-web But in a browser, I still need to type in "http://515.346.96.21". ...
3
votes
1answer
10k views

NOQUEUE: reject, Helo command rejected: need fully-qualified hostname

i have a problem with my mail server (Postfix, Dovecot and MySQL). I can't recieve emails nor send emails with a script that trys to authentificate to a mail-server user account. I use piwik wich is ...
1
vote
2answers
2k views

How do I override the OS X hostname that is assigned by DHCP?

I want to force OS X 10.6 to use the hostname that I assign it but still be able to use DHCP. The old method of editinng /etc/hostconfig is not good anymore, the file containing "This file is going ...
1
vote
3answers
2k views

Hostname vs IP address to refer to servers in Windows domain environment

I've always preferred to use hostname for things like network shares, SQL Server instances, etc. I usually find hostnames to be more descriptive and easier to remember. However, recently one of our ...
-1
votes
1answer
324 views

Unable to setup a host name binding with an emoji (unicode 6 character) on IIS 8

I'm trying to setup a host name of xn--n68h.tk on our IIS8 with an emoji (unicode 6 character). When I add it as a binding our IIS stops and when I try to start it I'm getting an "Value doesn't not ...
0
votes
2answers
415 views

Can ping google.com, but can't ping cnn.com

I have just upgraded from 10.04 to 12.04. I didn't notice the problem at first. But when installing horde with the pear installer it failed to download all of the packages. So I did a little hunting ...
0
votes
2answers
472 views

Error message: Host 'server1.MY_DOMAIN.TLD' is not allowed to connect to this MySQL server

I have a web and mail server running Ubuntu 12.04. I installed iRedMail and had it running fine, but this morning mail was not connecting and none of my sites worked. I checked some logs which told me ...
0
votes
1answer
2k views

ping -a does not return hostname [closed]

The problem i am currently experiencing is with One of my Untangle boxes. We are using IPsec VPN, Microsoft Server 2003 for DNS. I cannot get RDP to work with hostname, FQDN, ONLY IP. When i use ping -...
0
votes
1answer
301 views

Getting wrong Hostname from tracert

Noticed this while using VNC to users computers. When I do a tracert using hostname it completes but at a different hostname. All my users are using Microsoft VPN. I'm assuming this is a DNS issue but ...
4
votes
2answers
4k views

Pound Proxy with multiple SSL Certificates

After reading on the Pound website that SSL does not support virtual host names, this in fact seems quite strait forward and obvious to me now. I have a pound load-balancer I wish to terminate SSL ...
1
vote
2answers
195 views

Host name checks when somebody remotely logs in

Whenever anyone connects through Remote Desktop to my Windows 2003 server, I want to check his computer name (hostname) along with his username so I can allow the user to log in. I don't know ...
0
votes
1answer
113 views

Changing the hostname on a rented dedicated server

I would like to change the hostname on my Ubuntu Server 12.04 box that I rent from a dedicated server company. At the moment if I type hostname into SSH I get a response like so: cl-21.servercompany....
1
vote
2answers
171 views

What if I follow Oracle Instructions for hostname [duplicate]

Oracle Docs requiring Hostname to be FQDN. What do you think? Not really what I want to do but... should I? Verifying Host Names Use the following to verify host name settings: For Oracle Linux 4 ...
1
vote
1answer
3k views

When connecting to mysql on ec2, what should I be using?

I'm having issues connecting to my local mysql server currently, but I need help in being able to connect to mysql from other instances also. Background: I have a java service that is installed on a ...
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vote
3answers
6k views

Changing ComputerName did not change HostName on Domain in XP

I have a group of computers on a domain that I want to be able to remote control via RDP. All computers are WinXP. I changed the "ComputerName"s through the SYSTEM CONTROL PANEL of the computers; to ...