The unique name by which any device attached to a network is known by.

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1answer
152 views

Live host on network is masked in some way or its changing it's ip?

OVERVIEW: My professor runs some kind of live Ubuntu OS image on top of the classroom computer he uses to lecture then portals into his linux box located in his office. He has informed me his ...
0
votes
1answer
311 views

How to change hostname [duplicate]

I have updated my system's hostname in /etc/hostname file as master. I have also mapped my /etc/hosts file like <ip> master Still, when I type $ hostname, I get a different hostname. I ...
0
votes
1answer
793 views

Setting HOSTNAME on startup

Our lab group just purchased a dozen or so new workstations. They're Dells, so perhaps conveniently they report their service tag with dmidecode -s system-serial-number. We're thinking of using ...
0
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2answers
1k views

Can exim be configured to send all emails externally?

How do I configure exim4 to route all emails via a third-party SMTP server when the sender's domain, recipient's domain, and server hostname all match? I followed this great answer and have exim4 ...
0
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3answers
392 views

Why does “hostname -d” gives different output than domainname?

I have joined an Ubuntu 14.04 machine to domain using samba 4 but auth is not working. Look what I get: # net ads keytab create -U 'admin' Enter admin's password: ads_get_dnshostname: No dNSHostName ...
1
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3answers
581 views

Error message; [IP]in-addr.arpa has no PTR record: [duplicate]

I'm trying to figure out how to find the hostnames of computers on the LAN network. I put in the known address of a computer, but I'm getting an error I don't understand. ...
1
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1answer
1k views

Why I got 'unable to resolve host' when I do 'sudo'? [duplicate]

Whenever I do 'sudo' I get an error saying 'sudo: unable to resolve host HP-Pavilion'. I recently change my hostname to "HP-Pavilion". I wonder if I screw up something. $ sudo mkdir SourceCodePro ...
3
votes
1answer
985 views

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

I need to use the custom url name which is able to access from all devices in LAN. I know that it can be changed from the /etc/hosts file 127.0.0.1 myname 127.0.1.1 system09-System-Product-Name ...
0
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1answer
324 views

Can't see the Username and hostname in terminal

While I'm Opening a New Terminal i Used to get like this before sysadmin@system99:~$ But now i get like this below -bash-4.2$ Seems .bashrc issue, so what i copied bashrc from cp /etc/skel/* ...
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3answers
1k views

sudo: unable to resolve host [duplicate]

This makes it appear that my hostname if correct: ubuntu@webserver:~$ hostname webserver Below is the command I'm running and the output: ubuntu@webserver:~$ sudo hostname webserver sudo: unable ...
0
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1answer
8k views

sm-msp-queue says: unable to qualify my own domain name (xxx) — using short name

Every 20 minutes, for days, sm-msp-queue (something related to sendmail, I guess) writes a message in my ubun that goes like that: unable to qualify my own domain name (ubun) -- using short name ...
3
votes
1answer
396 views

Disable logon prompt show hostname

Per default the login prompt shows %hostname% login:. I don't want anybody with console access to see the hostname of the server that easily. How to get rid of the hostname there?
2
votes
2answers
135 views

How can I confirm my name on a local network?

My local network name is usually myhostname.local, but sometimes other people on the network can't access me at that address and I have to give them my network IP address (which changes). How can I ...
4
votes
1answer
372 views

Blank/empty hostname

I am using Ubuntu 12.10 and i was wondering if there is way to not send my hostname when connecting to a router? For example when I connect to my router I can see my laptop hostname when I log on the ...
1
vote
2answers
2k views

How do I get the new hostname into syslog after changing the hostname?

When I installed Ubuntu I named my computer "test" after the installation was finished, I renamed the hostname to somewhat nicer: sudo hostname silversurfer And I added the hostname to /etc/hosts ...
3
votes
2answers
295 views

Issue when sudo something after a hostname change

I was tired of my system's name so i decided to change it. I gksudo gedit /etc/hostname and changed my first and never touched computer name to a new one. Then now when i sudo something like sudo ...
0
votes
1answer
3k views

ping: unknown host

Since few days, my dedicated server (Ubuntu 13.04) is no longer able to ping or connect to my NAS through DNS (hostname -> kr1.synology.me ) . The IP address ( 178.83.88.248 ) address against , is ...
7
votes
1answer
351 views

Why does my hostname contain odd characters?

I installed Ubuntu, went straight to the Terminal and noticed there is some odd characters in my name. Here's what it is: imageek@imageek-DP700A3D-DM700A3D-DB701A3D-DP700A7D: How do I change this?
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votes
1answer
178 views

Is it possible to resolve a hostname from an IP address without DNS? [closed]

I have a question , can i ping an ip and return hostname without dns using or ip mapping ? Maybe from the ARP cache .
1
vote
1answer
3k views

Use Nautilus to open an SSH connection using hostname

I'm trying to SSH another machine on my LAN using the hostname because the local IP address gets re-assigned somewhat regularly (we have issues with our ISP and frequently have to reset our network). ...
2
votes
1answer
5k views

Set fully qualified domain name on EC2 instance

I am trying to set a fully qualified domain name on EC2 instance. I have set CNAME entry in Route53, so when I go to sync1.staging1.mycompany.net, it resolves to the correct instance. What I have ...
0
votes
1answer
720 views

After change of hostname, Ubuntu does not recognize the name

After I had changed my hostname through opening a certain file I am unable to remember, I encountered several problems. I was unable to save back-ups, my computer was occasionally unable to identify ...
1
vote
2answers
4k views

Changing Hostname and Serving with Apache [duplicate]

I want to serve my website locally with my hostname. It's gibberish now, but people in my network can reach it. Let's say my hostname is >hostname ABCabcABC And, if my local people open a ...
0
votes
2answers
574 views

Lost access to sudo [duplicate]

sudo: unable to resolve host I think I need to edit the /etc/hosts file to make an entry for 127.0.1.1 PC name. But how can I do that if I can't access sudo? It seems to have gone since I updated ...
0
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1answer
468 views

How to know the login and password details, my name and computers name after i'm done installing ubuntu?

while the setup i'm asked to type in my name and the computers name, after the os is installed, how can i know it?![enter image description here][1]
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2answers
733 views

not sure I set my host name right need someone to straighten me out

I just installed Zimbra and I think I screwed up my host name trying to get it to install. I did get Zimbra installed but the certificate is not working. (that's another topic) Here is my host file: ...
2
votes
1answer
8k views

I can ping IP address but can not ping hostname

My address: user@pc1:~$ ifconfig eth0 |grep "inet " inet addr:192.168.2.10 Bcast:192.168.2.255 Mask:255.255.255.0 I can ping this address user@pc1:~$ ping -c 1 192.168.2.11 PING ...
0
votes
2answers
2k views

Having 2 websites under same IP apache2 configuration?

I know there is plenty of documentation about this, but my problem is different. I have 2 websites (subdomains) running on one apache2 server. Site 1 is working fine, site 2 is somehow linked to the ...
3
votes
1answer
1k views

Get IP of remote windows machine from Hostname

I have a headless Windows 7 box I'm trying to access using VNC viewer from my Ubuntu Gnome Raring machine. Previously, when I was running Linux mint, I could do this no problem... but I can't ...
1
vote
1answer
865 views

Cannot connect remotely to ubuntu using hostname on win7

I am trying to connect to my ubuntu pc from my windows 7 pc using ultravnc (on LAN). It works when I use the IP address of the ubuntu pc, but when I use its hostname it doesn't work at all, I cant ...
3
votes
1answer
2k views

Changed hostname, closed before changing hosts, now sudo is broken, catch-22!

I'm using Lubuntu 12.04. I was trying to change my computer name to "main" and I messed up, I'm not sure what to do now. I was following the directions on this page. Here's what I did: sudo ...
1
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1answer
1k views

resolving windows hostname

my main host is windows and im running ubuntu on a virtual guest OS, im currently mounting a folder in windows and in ubuntu and i get this error: in /etc/fstab //Windows-PC/shared ...
1
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1answer
885 views

Could not resolve hostname

I am trying to login to a server using ssh and the console. I have the Ubuntu Raring Ringtail. I get the could not resolve hostname prompt a couple of times and then after some attempts it just works. ...
5
votes
1answer
5k views

What's the difference between `hostname` and `uname -n`

On my server, these both return the host name: $ ubuntu@mt-solo:~$ uname -n myserver $ ubuntu@mt-solo:~$ hostname myserver Is this always the case?
2
votes
2answers
13k views

Changing computer name [duplicate]

Can someone tell me how to change the computer name on a pc, I've tried to edit the /etc/hostname file but it won't allow me access to save the amended file, thought the user the system created was ...
0
votes
3answers
2k views

Can i configure ubuntu to append a domain to the end of an ssh hostname request?

I have many servers and they all end with the same servers.company.net, so for example vded-xx-001.servers.company.net, and was wondering if it is possible to make it so i can just type the ...
0
votes
1answer
6k views

Local hostname resolution with local Ubuntu DNS server fails

So I will start with the fact I wasted the whole day trying to figure that out with no results... I have a small local network behind a NAT router. It goes like this: ISP->NAT Router (contains a ...
5
votes
2answers
6k views

Access Windows machines from Ubuntu on local network by hostname

[I've searched a LOT for a solution to this issue, but if someone wants to point me to a related question and/or answer, please do!] I have a local network over a broadband router with 3 Windows 7 ...
0
votes
2answers
419 views

how to correctly change machine name? [duplicate]

I've changed my machine name through editing /etc/hostname file. but since I did, a weird message appears whenever I sudo: sudo: unable to resolve host Tehuti then it asks for password normally. ...
0
votes
1answer
2k views

Ubuntu Server: Change Hostname Error

I have an Ubuntu 12.04 fresh installation where I want to change the 'hostname' (machine name'. I have followed several instructions, such as from: ...
4
votes
2answers
18k views

ubuntu server not resolving LAN hostnames

Bit stuck here. I have 2 machines that cannot resolve LAN hostsnames, unless there are specific entries in /etc/hosts But other machines on the LAN can resolves hostnames. My LAN: 1 x Cisco ...
1
vote
1answer
287 views

Possible to run custom DHCP and DNS with fall-back to Cable Modem?

I am trying to accomplish a task that may, or may not, require a creative solution. Essentially, I want to run my own DHCPd and, more importantly, DNS for my home network. I want to run my own Name ...
1
vote
2answers
6k views

Sendmail not working on ubuntu guest - unqualified host name

I have a win7 host running ubuntu guest through vbox. it is configured with a bridged network adapter and I am using DHCP to assign an ip of 192.168.0.5 to the guest which is mapped to smartstart.dev ...
3
votes
2answers
6k views

how to change my hostname?

My hostname is localhost, reported by hostname command, and terminal prompt root@localhost:~#. How can i change it to mismis.com with mismis alias? and what is the proper configuration. I confused ...
25
votes
3answers
62k views

Changing System name [duplicate]

I am given an old Ubuntu working system and the previous user had everything on his name so started turning it to my name as typing his name everywhere was bugging me. I tried: $ usermod -l hussain ...
1
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1answer
600 views

Can /etc/hosts be set up automatically?

I need to automatically add mac-addresses to some file and manually add the hostnames assigned to them. A script will then scan my home LAN for those mac-addresses and populate the /etc/hosts file, ...
0
votes
1answer
2k views

Cannot resolve hostname?

I' using lucid 10.04 i used centrify agent to add my ubuntu machine into AD. The machine name is suppose to be abc.company.edu.uk. I have edited /etc/hosts file. It says as 192.168.1.22 ...
1
vote
3answers
4k views

Cannot access Samba share from windows 7 using hostname

I've been trying for days to get this working, and everywhere I look online it seems no one has a definitive answer, so here is the run down: I have an external drive attached to my ubuntu 12.04 ...
8
votes
4answers
42k views

How to get the hostname using terminal command-line?

I have used arp-scan in terminal to get the ipaddress as well as mac address, is there anyway i can get to know the hostname of the ipaddress that are there in the terminal? for example there are A-pc ...
0
votes
1answer
979 views

illegal list name: mailman configuration with FQDN

What do I need to so that mailman, and also dovecot-postfix, use the FQDN of dur.bounceme.net? Or, at least, so that mailman is usable on localhost. root@dur:~# root@dur:~# newlist mailman Enter ...