A hostname is the label given to a device connected to a computer network.

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Chrome OS: Crosh Window and Hostname

I have a couple of questions regarding Chrome OS: By default Ctrl+Alt+T opens a crosh window within the Chrome browser. I have the Crosh Window extension, which I would like Ctrl+Alt+T bound to - ...
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How do I get to use .local hostnames with Arch Linux?

If I'm using Ubuntu or Linux Mint (the only two flavours I've tried and know work for sure), I can run something like this: wayne@myhost$ ssh wayne@otherhost.local And the name is automagically ...
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Choosing a hostname - what's an efficient system? [closed]

I have multiple servers but no good hostname system. All my web servers are in the format id.local, where id is a random assigned combination of letters and numbers, for example HFPK001. The rest of ...
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1answer
1k views

CentOS 6 not regestering new hostname on Windows Server 2003

I rebuilt a Windows 7 Workstation with CentOS 6.5. The Windows 7 had a host name aaa attached to domain ddd.local. The new CentOS hostname is bbb. When I try to ping it: $ ping bbb ping: unknown ...
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2answers
4k views

Unable to set hostname for use within network

I am having a lot of trouble setting up a hostname for my home server for use within my home network. My home server is running Ubuntu 12.04 LTS and all packages are up to date. Management of this ...
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1answer
56 views

Spoofing or removing DHCP client hostname in response to DHCP server

In linux, when my machine requests an IP address it also sends the hostname back to the DHCP server. How can I stop my machine from sending back this hostname? I use dhclient, possibly via ...
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2answers
70 views

How to change hostname on centos 6.5?

Hi can't seem to change the hostname on my centos 6.5 host. I am following the instructions I found here: http://www.rackspace.com/knowledge_center/article/centos-hostname-change I set my /etc/hosts ...
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1answer
517 views

Postfix email bounced (mail for domain loops back to myself)

I have problem when i send a mail to example@orbialia.es for example2@orbialia.es My emails has bounced for this error: status=bounced (mail for orbialia.es loops back to myself) May 9 09:33:58 ...
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1answer
271 views

Display hostname in GDM3 on Fedora 19 at login screen

I'm managing almost 100 lab PC's running Fedora 19. It's difficult to manage because it seems like no where that I can display the hostname at the login screen. GDM version: gdm-3.8-3.2
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2answers
98 views

Give every IP address a different hostname?

I have a Debian server with 4 IP addresses. All IP addresses use the same hostname. Is it possible to give every single IP address its own unique hostname?
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2answers
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How is it that missing 0s are automatically added in IP addresses? (`ping 10.5` equivalent to `ping 10.0.0.5`)

I accidentally typed ssh 10.0.05 instead of ssh 10.0.0.5 and was very surprised that it worked. I also tried 10.005 and 10.5 and those also expanded automatically to 10.0.0.5. I also tried ...
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1answer
3k views

Using DNSMasq for Local Hostname Resolution

I'm working on setting up a home intranet for me and my roommates. My idea is that we'll be able to store things like past utility bills in a place that's more accessible than a drawer in the kitchen ...
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37 views

Hostname and Domain Name Debian Installation

During the Debian installation process I ran into creating a hostname and a domain name. I understand that the hostname is the name of the computer so I think that is necessary. For the domain name, ...
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2answers
100 views

Determine FQDN when hostname doesn't give it?

In another question, I found that Puppet was generating certificates for my machine's FQDN but not the simple host name. In that example, kungfumaster was the hostname and was the value retrieved by ...
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1answer
74 views

How to set the tab name to an alias hostname of the remote host I'm connected to?

As you might know, by default, the hostname of an AWS instance is something like ip-12-34-56-78.us-west-2.compute.internal, so when I ssh to this host, the tab name is changed to root@ip-12-34-56-78 ...
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3answers
3k views

How to request a hostname from a DHCP server on Ubuntu?

I have an Ubuntu 11.04 server virtual machine. I would like to request a specific hostname from the DHCP server at the office. Since I don't run it often, the IP changes nearly every time that I boot ...
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13 views

how to ensure stable domain names for newly-provisioned cloud server instances?

I've been playing with server configuration management tool Ansible, whose use often depends on reference to a local inventory file containing arbitrary host names. For example, # file: my_hosts ...
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1answer
91 views

Cannot resolve hostname

I'm using a Debian on a RaspberryPi and the problem that I'm having is that I can't connect to the Internet. Every time I try I see a message that says "cannot resolve hostname". From the terminal, I ...
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2answers
70 views

How to change the name of localhost to a custom name which is available to other users in LAN

I need to use the a custom URL name which is accessible from all devices in a LAN. I know that it can be set in the /etc/hosts file 127.0.0.1 myname 127.0.1.1 system09-System-Product-Name # The ...
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1answer
103 views

Why does hostname --fqdn only return the domain name?

Relevant files (slightly anonymized): heinzi@d2:~$ cat /etc/hostname d2 heinzi@d2:~$ cat /etc/hosts 127.0.0.1 localhost <myexternalip> d2.<myname>.at ...
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2answers
217 views

How to edit /etc/hosts without sudo?

I have a machine that I can only access using SSH. I was messing with the hostnames, and now it says: ssh: unable to resolve hostname I know how to fix it in /etc/hosts. Problem is, I need sudo ...
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23 views

User made host aliases [duplicate]

I would like to set up aliases for hosts /etc/hosts style, but I don't have root privileges. Would I be able to set these up from within my /home directory? How?
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1answer
4k views

Wildcard in /etc/hosts file

It seems that wildcards are not supported in the /etc/hosts file. What is the best solution for me to resolve all *.local domains to localhost?
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1answer
27 views

Which kind of additional cleanup may be required after removing manually added entries from /etc/hosts?

My system is "Unable to resolve" removed entry from /etc/hosts. During development, I needed to add the custom domain entry to /etc/hosts, stating it resolves to 127.0.0.1. This mapping worked fine. ...
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193 views

Change elementary os hostname?

How do I change my hostname in Elementary OS? I've tried vi /etc/host didn't do anything.
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1answer
232 views

rsyslog using short hostname

I'm using CentOS 6.5 and rsyslogd: Name : rsyslog Arch : x86_64 Version : 5.8.10 Release : 8.el6 In rsyslog.d's conf file I have: $PreserveFQDN on and ...
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3answers
47 views

Why does hostname -h return 255

"No news is good news", which, sticking with the normal convention should return 0. Why does hostname -h return 255, especially when, 255 by convention, is meant to mean "Exit status out of range" ...
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2answers
254 views

Preseed.cfg ignoring host setting

I am installing Debian Wheezy (netinstall) in VirtualBox using preseed.cfg. I tried both d-i netcfg/get_hostname string somehost and d-i netcfg/get_hostname string somehost, but in both cases the ...
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378 views

Getting Samba 4.1's “internal DNS” to update hostnames from dhcpd

Samba 4 comes with its own "internal DNS" which can be used rather than BIND. Since Samba 4's main new feature is AD replacement, I would figure that its DNS would function similarly to Windows ...
2
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1answer
68 views

Why when I enter the command “hostname” it returns something other than my computers name?

I am using a macBook Pro I enter: new-host-2:~ Justin$ hostname And it returns: new-host-2.home Why is this when it says in setting/sharing my computers name is "Justin's macbook pro" and computers ...
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2answers
2k views

Hostname and IP address mapping in /etc/hosts

In my linux machine, when I run hostname, it shows mongodb, but when I run host mongodb, it shows: mongodb@mongodb:/var/hadoop/hadoop-1.2.1/bin$ host mongodb Host mongodb not found: 2(SERVFAIL) My ...
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1answer
96 views

AIX cifs hostname with underscore

I am trying to type this comand but for some reason it takes the first and not the second version. I have entered both the host names in the host file, FYI. This command works (hostname zq13c1): ...
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1answer
463 views

One ubuntu machine in LAN cannot access internet

I have 4 ubuntu machines connected in a LAN network by a single switch.Their IP address is from 192.168.10.10-192.168.10.13.But after I restarted one of them since disk problem,I find that this ...
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1answer
124 views

How to deny access to specific port when destination is NOT a specific host?

I'm trying to DENY access to port 1000 when it is being accessed through any host or IP that is NOT a specific host. I.e. If I try to access the service on sub.domain.com:1000 I should get in. If I ...
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2answers
433 views

URL with hostname doesn't work but it works with IP Address

I have a very basic question here. This thing is puzzling me a little bit. I have one Ubuntu machine which is running 12.04 and I am connecting to that machine from putty in my desktop (which is ...
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6answers
15k views

How to get the hostname along with the domain name?

In unix (Solaris) is there any command that returns the hostname and domain name together? For instance: hostname -> servername domainname -> us.xyz.com I need : servername.us.xyz.com
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234 views

Changing hostname doesn't change the terminal name

I had set my hostname while installing linux as "ankit". i want to change it to "ankit.centos". I tried changing hostname in /etc/hosts, /etc/sysconfig/network and sysctl kernel.hostname=ankit.centos. ...
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Value of /proc/sys/kernel/hostname

I've set computer hostname in /etc/hostname a while ago (also there are record in /etc/hosts). Everything worked fine, but recently I've noticed that value of hostname (and /proc/sys/kernel/hostname) ...
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1answer
215 views

A command that gives username@hostname:pwd

I know that pwd gives the current working directory, hostname gives the current host and whoami gives the current user. Is there a single unix command that will give me the output of ...
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3answers
150 views

Debian cannot SSH to OS X by hostname (Windows OK)

I've seen some questions asking why xxx can't connect to MyMacName.local, which answer regarding Avahi as a requirement. I don't think I am in the same category as I can successfully connect to a ...
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2answers
2k views

in which file is hostname alias persistent, if not /etc/hosts?

In order to have an alias for my server, which can be seen in a "hostname -a" command, I edited the /etc/hosts file to add the alias at the end of the entry containing the hostname. For example, my ...
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2answers
389 views

Obtaining remote host name in bash script

Sorry my knowledge of Linux bash commands is pretty basic, I've been searching for a while but I'm not 100% sure what I need to search for. I was wondering if there's a way to grab the current logged ...
3
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1answer
174 views

Obtain the “pretty” hostname in bash

On my Fedora 19 system, I am able to change the system hostname with hostnamectl. This allows me to set several things, such as the static (normal) hostname, as well as a "pretty" hostname. Is there ...
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2answers
176 views

Prevent dhcpcd from setting hostname

How to prevent dhcpcd from setting hostname got from server? Change of it breaks a lot of things (including X session). My current distribution is Gentoo, init system is systemd and dhcpcd is spawn ...
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2answers
2k views

binding ip address to hostname

I just registered a domain name and paid for hosting with CentOS and I found that I had to do the binding myself following the lengthy steps http://www.linux-sxs.org/internet_serving/bind9.html I was ...
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1answer
2k views

Hostname not changing on Centos 6.4

We have centos machine. We have tried both the /etc/hosts and also /etc/sysconfig/network. Edited both files and service network restart. Yet the hostname is showing as localhost.localdomain. How to ...
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1answer
75 views

How to property configure DNS . . . from a conceptual perspective

I'm not looking for actual tools or techical how to type answers here. I'm in a complex networking environment, and I'm trying to understand the constraints on my choice of a hostname / domain / DNS ...
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4answers
462 views

Setting a network hostname doesn't work

I'm on a Kubuntu 11.10 and I'm having trouble setting a hostname on the network. I already tried changing send host-name "myhostname" in /etc/dhcp/dhclient.conf or /etc/dhcp3/dhclient.conf with a ...
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3answers
351 views

I changed my hostname, rebooted and lost internet connection

I set a new hostname on my machine using: sudo hostname NEWHOSTNAME Then I restarted, and tried accessing the internet and nothing happened. I checked the hostname and it was set to ...
2
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1answer
36 views

Viewing hostnames in network

Is there Linux command equal to Net View in Windows, that shows hostnames in your network? I am in a VPN network and want to see computer names in my network.