Ubuntu Servers :: Can't Resolve Hostname From Windows

Mar 3, 2010

I have two computers.

Computer A = windows 7.
Computer B = Ubuntu Server 9.10

Computer B automatically receives an IP address from my router.

I can ping computer B from computer A using the IP address. I cannot ping computer B from computer A using its hostname.

My router did not show a hostname under it's active clients table. After some searching I found a threat where somebody suggested modifying /etc/dhcp3/dhclient.conf and adding 'send hostname "blahblah"' This allowed me to see the hostname in my router but I still cannot resolve it from my windows box.

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Ubuntu Servers :: Unable To Resolve Host / Hostname Is Set To (none)?

May 25, 2010

I just built out an Ubuntu Server 10.04.

My problem is setting the hostname. I cloned the machine, then normally on the clone, I would change the /etc/hostname and /etc/hosts file.


However, when I do this, upon restart, I get the message, "init hostname main process (some process number) terminated with status 1"Then, when the machine finally boots, the hostname is set to (none). Literally has braces like: user@(none):

I've tried: sudo hostname machine_name but it says can't resolve hostname (none).

I've Google'd around a lot but can't get it. It may have something to do with 10.04? I have been using 9.04, 9.10 with no problems.

eric@(none):~$ cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
code....

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Ubuntu Networking :: Windows Can't Resolve Lucid Hostname

Aug 22, 2010

I am currently facing one issue with my network. I have several computers and this is what happens, everything works fine when I use the ip address, but when it comes to hostname.

-Windows computers can't ping/see the computer 5 (while it is running linux), but they can see computer 3 while running ubuntu 8.10 and computer 2 while on Mac OS X.

-computers 2 and 3 can see/ping everybody while on Mac/Linux.

-computer 5 can ping everybody.

-computers 1, 2, 3 and 4 (on every OS) can see/ping computer 5 while on windows xp.

Basically, the problem is with computer 5, it can see, but it is not seen by other computers (just when running ubuntu lucid)Computer 5 is supposed to be a printer server, so it must be seen by the others regardless of OS.When I ping computers 5 the TTL is 64, when I ping other computers, TTL is 128. I don't think this means anything, but I am not sure.Initially I thought this was a printer issue, but then I realized is something related to network when I tried to use ping/explore the computer 5 by ip/hostname (it works by ip, but not by hostname).Computer 5 is sending the hostname to the router properly, it appears in the dhcp client list.

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Ubuntu Networking :: Can't Resolve Hostname For Ping - Ssh ?

Jan 7, 2011

I have a weird problem since yesterday that I can't solve. I can't ping / ssh my machine anymore using its hostname... says "unknown host", "network unreachable". I have no idea why - it used to work perfectly. I can still ping / ssh using the IP so it must be a problem of hostname not being resolved.

I have a dynamic IP (I'm at work...) but that doesn't seem to be the problem - network manager automatically adds a line in /etc/hosts with <mycurrentip> <hostname> (I checked, it's indeed the IP given by ifconfig and that I can use to ping/ssh).

2nd question: Another computer has a similar problem but slightly different: the hostname is resolved but points to a wrong IP (seen in ping or nslookup), different from what ifconfig returns. As a result, ping times out and ssh says "no route to host".

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Debian Configuration :: Ssh: Could Not Resolve Hostname

Apr 18, 2011

So I recently upgraded from Debian 5 to Debian 6 and now for some reason I cant SSH into my server FROM my server. All of the following fail with the same error:

[URL]

They all come back with: ssh: Could not resolve hostname 127.0.0.1: Name or service not known. I never actually tried this before upgrading so I'm not sure if its caused by the upgrade, but I would like to get this fixed. Also, ping with all of the above hostnames fails as well. I can SSH in from other computers and I can SSH out from the server. For whatever reason, I cant SSH from the server to the server though.

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Networking :: Configure DNS To Resolve Hostname

Sep 8, 2010

I got an application deployed on Websphere Application Server on SUSE Linux V 10. We are accessing the application using the IP address in the URL. Please let me know how to configure the DNS, so that we can use the Host name in the URL and the Host name is automatically mapped to the IP address.

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Networking :: Unable To Resolve IP To Hostname

Aug 1, 2010

i searched the internet on how to resolve IP to hostname in my internal network. However, i could not find any solution to it. Any gurus around have any knowledge on this? i have tried whois, dig and nslookup however it doesnt give me anything.

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Server :: Resolve Hostname Between Openvpn Clients

Nov 8, 2010

I've a fully working openvpn network but it works only using ip address.Clients should comunicate each other thought the server. To semplify the managment of clients I'd like to use their hostname instead their ip. there are a way to achieve it?Now openvpn assign ip address to the clients, but if is needed I can install other software on the server, it's a Debian machine.

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Server :: Unable To Resolve Hostname Some Times

Feb 28, 2010

I have squid on my RHEL5 server and a no of windows clients ,on clients some sites opened without any error but some sites whilw opening says unable to resolve hostname ,why this kind of problem ?This may be DNS problem ,but it should happen for all address not some .

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Software :: Cannot Resolve Hostname - Image Loading

Nov 21, 2010

I am using a Dell Latitude D610 that is a few years old, and running Fedora 13. I do not think hardware is too relevant to my problem, nor is it an issue with my OS itself. I do not dare perform an upgrade to Fedora 14 at this point because this is an active work machine, for school use. To the heart of the problem, I am extremely irritated by the erratic behavior of Epiphany Browser (and just an hour ago, Midori). If I open more than a few pages at once (e.g. ctrl-clicking a bunch of Google search results) more often than not I get a chain of "cannot resolve hostname" blank tabs.

Oddly enough, I refresh the pages (one by one, of course - I don't know how to mass refresh) and they load properly! The problem is more prominent on Wikipedia - most articles have images embedded here and there amongst the text. When I visit the page, none of these show up - the page loads, and after I see the blue mercury-looking progress indicator shoot to the end, the spaces where the images should be are blanked and in the centers lie a little thumbnail of a grey photo with the corner turned up - e.g. generic-can't-show-the-image.

This is remediated by visiting wikimedia.org or refreshing the article itself, whereupon the images fall into place. The problem seems to carry over into Midori browser, which I installed a few hours ago just to use as an alternative - I say "had" because just now, the problem resolved itself. I strongly suspect that it has to do with my changing my cache size from 169 MB to 13 MB, which I did just now. That issue is now trivial; next question: Google Docs behaves very strangely in my browser. Whenever I make a normal alphanumeric keystroke, it shows up fine; but "backspace" and "delete" and "enter" are both doubled.

I double-space between my paragraphs by accident and when I make a mistake in my typing I often suck myself into a cycle of mistakes. E.g. "Polanrd" --> "Polan" --> "Pol" --> "Pold" (hitting backspace twice to trim off "rd", but Google Docs redoubles the keystrokes into four backspaces and I end up taking off too much and adding the lone "d" in the wrong place). The problem shows up to a lesser extent in the built-in chat, wherein backspace is not affected, but every time I hit "enter" my chat appears twice (as though I had hit enter twice).

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Ubuntu :: Unable To Access Samba Share By Hostname / Resolve This?

Apr 30, 2010

I got my server set up with 10.04, and with everything installed: DHCP, SSH, Samba, VBox, etc.

DHCP, SSH work fine, but I am having problems where I cannot ping the hostname of the machine.

It worked for a few minutes after I got everything installed and now it's not letting me connect via hostname. I can connect fine if I use the IP address. I cannot ping the machine by hostname unless I add it's IP address to the hosts file.

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Networking :: Mount -t Smbfs Error Can't Resolve Hostname

Sep 24, 2009

I am trying to mount a NAS device using the hostname on my linux computer (running slax)

The command I am using is
mount //hostname/sharename /mnt/test -t smbfs -o username=***,password=***

i am getting back the error
mount error: could not find target server. TCP name hostname/sharename not found
No ip address specificed and hostname not found

I can do this mount from an older version of SLAX but i can't from this new version. smb:/ can find then through the file explorer window but I can't mount them from the command line.Is there something i am doing wrong?

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Server :: BIND Directly Resolve Hostname To Internet

Feb 1, 2011

Is there away to resolve the hostname after creating a new subdomain. So we don't need to wait internet need some times to able to resolve the hostname. For example, if I add new subdomain to "test.example.com", I can directly ping to this hostname from internet.

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Debian Configuration :: Load A Webpage Gives A Cannot Resolve Hostname Error

Jun 11, 2010

Any attempt to load a webpage gives a Cannot Resolve Hostname error. i can ping [URL], but cannot load the page. However, the page will load by typing its IP address [URL] I have been trying to figure this out for days. cat /etc/resolv.conf nameserver 192.168.1.254

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Fedora Networking :: Cannot Resolve Hostname - Connect To Internet Via Firefox

Oct 31, 2010

Cannot connect to internet via Firefox or Midori on my Dell Inspiron 8200 laptop with a Netgear wireless card. However, I can update via yum, I can ping google from the CLI, I can ssh to my desktop, I can point a browser to find my router which /etc/resolv.conf points to, but can't get a browser to resolve hostname. I'm posting from a different machine (desktop), here is my /etc/resolv.conf:

[Code]....

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SUSE :: URL Link Launcher Creation / Unable To Resolve Hostname

Aug 6, 2010

I am updating all of the company systems from Novell SuSE Desktop 10 SP2 to 11. We have several links on the desktops of users that are URL's. In version 10, I just did a Create Launcher, Type was Link and I could type in a URL. The LINK type no longer exist. I checked on my system at my desk which is OpenSuSE 11 and it also does not have the link type. I have been searching on the Internet for creating Launchers and then looking for information on creating links and have not been able to find anything. Can anyone point me to a good howto or document on creating URL link launchers (we have a system that runs Apache and from the users PC they click the link to connect to the server). I tried just creating a bookmark in Firefox and then dragging the bookmark to desktop and customizing icon. But, I build the systems at our corporate offices, and when I build, the IP address on the system is the actual IP and since it is not at the final location it can not connect, and the bookmark creation on desktop fails with error 'Unable to resolve hostname'

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Networking :: Ubuntu Server Cant Ping Or Connect External / Can Resolve Hostname And Domain

Oct 15, 2009

As the title suggest, I have downlaoded the latest copy of Ubuntu Server from the ubuntu website.Everything installed fine. DHCP configured ok as far as I can tell. I can ping other machines on my network (which are running Windows) and they can ping the Ubuntu machine and conenct to Apache which is running on it.If I try to ping google.com or any other domain, it gives the correct IP address but gives no response to any pings, dont telnet on port 80 (or any toher potr for that matter) on any machine on the internet. I checked the settings using ifconfig to see what DHCP had assigned, and they matched the windows machines configuration (other than the IP address obvisouly). I tried assigning a static IP, even reserving a particular IP for my NIC.

Whatever I do, i cant connect to any machine outside the network via IP or domain.I have searched everywhere and tried everything i can find on the net but still to no avail.The Windows machines are part of a domain called alcom-uk.local and run off of a Windows Small Business 2003 Server. Not sure if i need to manually setup Ubuntu to connect using a domain or anything.

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Fedora :: Evolution: Cannot Resolve Hostname - Open Calendar: Unexpected HTTP Status

Aug 19, 2011

Evolution has balked at every webaddress I've thrown at it: Example: Code: Could not connect to imap.google.com (port imaps): Host lookup failed: imap.google.com: Name or service not known same thing happened for smtp as well as the canonical names provided by nslookup.

I was able to succeed in connecting my email finally by using the IP provided by nslookup, but still am unable to get my google Calendar to connect: Code: Cannot open calendar: Unexpected HTTP status code 2 returned (Cannot resolve hostname (www.google.com)) No proxy settings configured in Evolution or Fedora and none needed. Lemme know what else I can provide.

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Ubuntu Servers :: Can't Ping By Its Hostname

Jan 3, 2010

I have installed a ubuntu 9.10 server to use mostly as a fileserver. When I installed the server I set it up as DHCP and later on I have changed the /etc/network/interfaces file, the /etc/hosts file and the /etc/hostname file. I have the ip 192.168.1.100 set on the server and I can ping and SSH this address. But I can not ping my server by it's hostname enighet. I am setting up a NFS server and I would like to use my servers hostname when I do this. Why can I not ping my server by it's hostname? These are the 3 files I have changed...

Code:
johan@enighet:~$ cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo

[Code]....

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Ubuntu Servers :: Can't Set Hostname On LAMP 10.4

Dec 22, 2010

I've looked at several tutorials and since i'm a newb I can't figure them out. I'm trying to set my hostname on my LAMP 10.04. What files do I need to configure? (all IP's below are fake)

Here are the first lines from /etc/apache2/sites-available/default

Code:
<VirtualHost 111.111.111.111:80>
ServerAdmin webmaster@localhost
/etc/apache2/ports.conf has these lines after the comments

[Code]....

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Ubuntu Servers :: Hostname Name Or Service Not Known

Jun 22, 2011

I am trying to set up a web server, i have put in a hostname.In terminal command: hostname shows 'promisedland, but hostname -F gives me name or service not known.How do I associate hostname properly, I have registered a hostname through DynDNS.I can access the page in my browser so I know it is there, I see the blank "u made it page".I just want to host a web server w/ a directory to my shared files (movies, music etc) that are on my server.

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Ubuntu Installation :: Error "mount Error: Could Not Resolve Address For Servername: No Address Associated With Hostname

Jul 14, 2011

This morning it would not boot; when I tried to wake up the system, it gave me a bunch of errors, the last ones being as follows: "mount error: could not resolve address for servername: No address associated with hostname mountall: mount /media/shares [1402] terminated with status 1" I am writing this in Win 7 since I lost ubuntu. I am using ubuntu 11.04.

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Ubuntu Servers :: Possible To Change Hostname Of Machine In GUI

Nov 27, 2010

I have a problem with server bcs of the machine name. I'm wondering how to change the server name to it's IP. bcs now it has name "chrochne". I've found hostname in /etc/host and in /etc/hostname. But I'm afraid of changing it in this files. I'm using webmin and virtualmin to admin the server so can I change the name somewhere in the GUI?

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Ubuntu Servers :: Possible To Turn Internal IP Into Hostname?

May 11, 2011

I saw in the tutorial "The Perfect Ubuntu 11.04 Server ISPConfig3" that it is possible to turn the internal ip into a hostname.
Example: 192.168.1.170 -> myserver.example.com
Example: 192.168.1.128 -> aserver.inet
However, when I edit my /etc/hosts file and after I echo the name to the /etc/hostname file, it still doesn't work. I am using Ubuntu Server 11.04 (Natty Narwal)
- ChosenOreo

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Ubuntu Servers :: Hosts And Hostname Resetting At Reboot?

Jul 13, 2010

I'm facing bit of a conundrum with my new server. It is essentially a distributed-virtual Plesk Virtuoso container with a rather simple LAMP setup (PHP5 etc) and virtual hosting. Running 10.04 LTS.

The issue is that on each reboot, the /etc/hosts and /etc/hostname files are reset with their original configs causing the virtual hosting to break, i.e. rather than hosting the vhosts correctly, it essentially routes all traffic to /var/www, or essentially 000-default ~ this beats the whole point of vhosting in the first place!

Is there any way to get around them being overwritten at boot? A very crude workaround would be to set a script to load at boot via init.d and have it rewrite both files to their correct configs - of course, I have no idea as to the point during boot at which they get replaced.

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Ubuntu Servers :: No Ip Address Specified And Hostname Not Found Boot?

Oct 21, 2010

I have a ubuntu server 10.04 that will not boot. I saysno ip address specified and hostname not found refer to mount cifs blah blah blahmountall mount /directory/share [863] terminate with status 32I know its because I had a share mounted at boot but the server cannot mount the share for some reason. is there a way around this so I can boot the machine.I can ping the server. I just cant ssh to it. I need to get to a prompt some how so I can remove the mount from fstab.

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General :: Ubuntu 9.10 Networking Hostname / Can Ping The Linux Box Using Its Hostname From A WinXp. But Cannot Do The Reverse?

Jan 3, 2010

I have a network of 2 WinXP machines and one linux box. I have fiddled around with the settings as you do when learning. The network is working. The network neighbourhood on the WinXP machines recognise the linux box and vice versa, (the linux Places|Network recognises the 2 WinXP). I can Ping the linux box using its hostname from a WinXp. But I cannot do the reverse. I get an 'unknown host' response. I can ping the linux to itself using its hostname.

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Ubuntu Servers :: Internal Hostname Appearing In Mail Headers?

Mar 24, 2010

We have an Ubuntu server running on Amazon EC2, hosting a website. We also have postfix, in order to send mail (receiving mail is done by another server which is specified in our MX records). My problem is that the internal hostname of the machine ("domU-xx-xx-xx-xx-xx-xx.compute-1.internal") appears in some "Received:" headers in the emails sent. Is that normal? It seems rather peculiar to me, and I'm thinking some e-mail systems might consider it spam because of this. GMail doesn't consider it spam, but not all systems are as smart as GMail

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Ubuntu Servers :: 9.10 - Using Bind9 As DNS Server On LAN - Does Not Seem To Translate Its Own Hostname Correctly

Sep 8, 2010

Im using bind9 as DNS server on my LAN, but it does not seem to translate its own hostname correctly for some reason. Other hosts is translated correctly, the problem only seems to apply to the DNS host itself. if i "ping <server_hostname>" from the server, it translates correctly. But if i "ping <server_hostname>" from the client it only says "unknown host" The client has the correct DNS-server assigned. How can i start troubleshooting this?

[Code]...

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Ubuntu Servers :: Upgraded From Server 9.04 To 10.04 And In The Process My Hostname Was Lost

Dec 8, 2010

Just upgraded from Ubuntu Server 9.04 to 10.04 and in the process my hostname was lost.

Code:

Although configure file looks fine:

Code:

The following lines are desirable for IPv6 capable hosts

Have set hostname with:

Code:

But doing it this way you cant use '_' ..

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