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

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6
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1answer
394 views

Why the difference between network addresses reported by hostname and ping?

I have tried hostname and ping in a cluster machine, with different outputs. I am wondering what is the difference between the two? For example, on the same machine, hostname outputs node4.XXX and ...
2
votes
1answer
694 views

Fail to ssh to remote machine via hostname

The problem is that I fail to SSH to a remote machine via its hostname, while using its IP works. The hostname returned by command hostname is: california_desert while the name returned by command ...
2
votes
0answers
184 views

why is FQDN using external IP address

When postfix connects to the FQDN dur.bounceme.net it uses the external IP address: root@dur:~# root@dur:~# tail /var/log/mail.log Aug 28 04:39:45 dur postfix/master[6667]: terminating on signal 15 ...
5
votes
1answer
567 views

Is there any way to access a hostname containing an underscore?

I have this weird problem. I need to access a website that contains an underscore from Linux. The hostname is invalid and Linux does treat it as such. The problem is that access from Windows seems to ...
9
votes
3answers
5k views

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 ...
6
votes
5answers
1k views

resolve all ip addresses in command output using standard command line tools

I have several log files that contain a bunch of ip addresses. I would love to be able to pipe the data through a program that would match and resolve ip addresses. I.E. cat /var/log/somelogfile | ...
2
votes
1answer
721 views

Changing hostname without errors

I tried to change my hostname according to this guide for Debian based system: I edited /etc/hostname I ran /etc/init.d/hostname start Though there are errors. Always when I write a sudo command ...
2
votes
3answers
624 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 ...
5
votes
2answers
21k views

Unable to resolve hostname

So I try to do: ssh $(hostname) and it tells me: ssh: Could not resolve hostname woofy: Name or service not known It knows that its own hostname is "woofy"; why can't it connect to itself?
7
votes
7answers
38k 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
0
votes
1answer
625 views

How to set name to localhost in fedora15?

I want to set name to my localhost.for example I want mysite.com instead of localhost/mysite how to do that? I have searched but couldn't get a solution for Linux.
2
votes
1answer
353 views

Remove a directory level from a website URL

Can anyone tell me how to configure apache to not display a website folder name at the end of a base URL, please? - but only for one out of many websites. Let me describe the scenario ... I have a ...
2
votes
1answer
306 views

ZSH %m prompt escape not working as documented under Debian Linux

The zshmisc man page on my new Debian Squeeze install states, under SIMPLE PROMPT ESCAPES: %m The hostname up to the first `.'. An integer may follow the '%' to specify how many components of the ...
2
votes
2answers
2k views

Fedora 16 ssh over the internet/home network help. Same computer ok

I first posted this on serverfault, but this forum seem to be more appropriate. http://serverfault.com/questions/345471/fedora-16-ssh-over-the-internet-home-network-help-same-computer-ok I think I ...
3
votes
2answers
5k views

Get client hostnames from DHCP

I have a voyage 2.6.38 machine running DNSMASQ for a DHCP server and I would like to get the hostnames of the clients that acquire DHCP leases. How would I go about doing this?
5
votes
3answers
11k views

How does traceroute resolve names?

While writing a script, I wanted to reference a machine by the computer name that I gave it (e.g. "selenium-rc"). I could not ping it using "selenium-rc", so I tried the following commands to see if ...
1
vote
1answer
1k views

New SL6 system: No hostname?

This is in regards to Scientific Linux 6.1 system, but should also apply to CentOS 6.1 & RHEL 6.1. I am setting up a new Scientific Linux 6.1 system, using kickstart and DHCP (via xCAT). This ...
2
votes
2answers
429 views

How is my domainname determined?

If I look into /etc/hostname/ I can see the hostname of my device. This is however not the name that shows up when I use nslookup on our network. How do I tell the DNS server which name it should use? ...
2
votes
1answer
2k views

Hosts file on server with dynamic DNS?

I am setting up a RHEL-based server that is associated with dynamic DNS from DynDNS, with a domain of, say, "abc.dyndns.org" that is dynamically updated with the server's IP address. I have read that ...
8
votes
4answers
9k views

I changed my hostname, why is my bash PS1 prompt unchanged

I changed my hostname by editing /etc/hostname and can see the new hostname using the hostname and hostname -F commands. But the shell prompt is still showing the old hostname. This is Ubuntu 11.0.4 ...
0
votes
1answer
335 views

nacl crypto installation on arch

I am trying to install nacl crypto on my system: % uname -a Linux (none) 2.6.39-ARCH #1 SMP PREEMPT Mon Jun 6 22:37:55 CEST 2011 x86_64 Intel(R) Core(TM) i5 CPU M 540 @ 2.53GHz GenuineIntel GNU/Linux ...
2
votes
1answer
586 views

Short domain name to FQDN expansion

Is it possible to configure where the system will look for the machine if I enter just a short domain name? I work in a grid environment where the machines are many and spread across multiple ...
2
votes
1answer
443 views

How to add another domain to my chrooted named server

Firstly I successfully have a domain working in a chroot named. There are files in /var/named/chroot/var/named called mydomain.com.db and named.local and named.root. Also in /var/named/chroot/etc ...
3
votes
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 ...
14
votes
2answers
36k views

How to change the hostname of a linux machine using terminal?

I logged in for the first time, opened terminal, and typed in ‘hostname’. It returned ‘localhost.localdomain.com’. Then I logged as the root user in terminal using the command, ‘su –‘, provided the ...
6
votes
1answer
308 views

`hostname` - host name or FQDN?

What is the right thing to set a computer's hostname to? (/bin/hostname, /etc/hostname, sethostname(2), etc.) I usually just use the "name" part, and it works perfectly (for me at least), but I've ...
1
vote
2answers
4k views

What is a valid hostname label?

I set up my hostname to a number, where running hostname gives: 6592 But when I run ping 6592, I get: connect: Invalid argument I checked the related Wikipedia page, and it does say that such a ...
9
votes
3answers
932 views

How to change a hostname

During Debian installation, I set my hostname to the wrong value, and now I would like to correct that.
8
votes
1answer
5k 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?
4
votes
2answers
869 views

Why is my hostname different in Emacs?

So I changed the name of my computer recently, by editing /etc/hostname. The bash prompt is user@name, so I know it has worked. But in emacs, in the window bar it says emacs@name.tiscali.co.uk. ...
5
votes
2answers
6k views

What is sendmail referring to here?

When I install sendmail from the debian repos, I get the following output: Disabling HOST statistics file(/var/lib/sendmail/host_status). Creating /etc/mail/sendmail.cf... Creating ...