Ubuntu Networking :: Can't Ping Via 'morbo.local' - Can't Reach Systems By Hostnames
Jul 8, 2010
I recently set up an Ubuntu server computer (10.04) with the hostname 'morbo', and with a static IP address. With all my other ubuntu systems i can ping and ssh using their host names, like:
[code]...
i can't reach it via 'morbo.local' nor can i reach my other ubuntu systems from morbo by their hostnames. I have seen a 'quick and dirty' solution which might help here : [URL]... , but i don't want to have to add every system to morbo's list and morbo to every systems list, and because it works without manual configuration on all my other systems, i don't see why it shouldn't be possible here. Currently everything connects to one d-link router - does this mean it is the DNS server?
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Nov 3, 2010
I have recently installed Ubuntu 10.10 and using it on a Windows Network.
I cannot ping any localhosts on the network using computer name but can ping using the IP Address.
I can ping the hosts via hostname from a windows machine fine, just not from Ubuntu
I can ping external websites using hostname like [URL]
My resolve.conf file is as follows.
# Generated by NetworkManager
nameserver 192.168.95.253
nameserver 192.168.95.234
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Jul 22, 2010
I cannot ping any hostnames on our LAN /etc/resolv.conf has both name servers configured correctly. I can ping the IP, but can't ping the hostname. I know it's something really simple, just can't put my finger on it.
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May 27, 2010
This is a RHEL 5.4 install. I did a fairly routine install setting up a static IP address of 10.5.96.10, a subnet mask of 255.255.254.0, and a gateway of 10.5.96.1 with the standard DNS setup for this network. These are all standard network setting for this network and otherwise work fine on other systems. The IP, gateway, and subnetmask all appear correctly on all relevant configuration files. This server can not ping any other system on the network and can not ping its default gateway. No other systems can ping this one either. Also this system can not ping "localhost" or its own hostname. The hosts file contains the line:
[code]...
I can ping 127.0.0.1 and 10.5.96.10 and it works fine. Also the firewall is disabled. I know I probably can't get a straight forward fix with the information I have on hand right now, I'm more of a Debian guy, so there might be some Red Hat intricacies I'm not familiar with. I think I had a CentOS install some months back that had this issue and I don't remember how I fixed it, or if I even did. I might have just replaced it with Debian. That's unfortunately not an option this time around since it's not my box.
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Sep 24, 2010
I'm setting up my server under CentOS 5.5 (text mode) and I installed cherokee server but I couldn't reach it with the ip given by ifconfig. So I figured it might be an problem within cherokee. I also wanted to install webmin so I did that to see if I could reach that one. But also the webmin server is not reachable (I know the port number should be behind the ip ). So if I look up ifconfig I see the server has got an local ip (192.168.1.42) but I can't reach it from another computer in the same local network.
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Oct 5, 2010
I've got Ubuntu 10.04 on my laptop and have recently (within the last 72 hours) started having trouble connecting to other machines on my local network. I'm unable to ping both my router and a server set up in the room beside me.
1. I have tried pinging my server and router from other machines and it works fine. Accessing the server via HTTP works from all machines except for my laptop.
2. I am, however, connected to my router via wireless and can access the internet. Also, if I connect via an ethernet cable I am able to ping both my server and router, although I'd love to be able to go wireless.
3. I assume something's wrong with my wireless setup, but I really can't figure out what. Possibly related note: my wireless has been disconnecting unpredictably on my home network (WPA).
Let me know if you'd like to see any command output and I'll get it to you asap! I've got a Dell Studio 1558 w/ the dreaded Broadcom BCM4312 wireless controller.
Code:
user@blue-skies:~$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
[Code]......
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Mar 13, 2010
Do any one knows how to ping global inet6 addresses assigned between two systems. I assigned inet6 address through "ip addr add 2001::4 dev eth0" and similarly 2001::5 in another machine and tried to ping 2001::5 from 2001::4, but it is showing,
sait87@static-host:~$ ping6 2001::5
connect: Network is unreachable
Do any one knows solution for this problem.
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Jul 14, 2010
How do you get linux to resolve local hostnames without DNS?
I've recently migrated from a fully windows home network, to a few linux machines and im unable to ping any local machines with hostname via these linux machines. i can ping IP and internet hostnames. also, windows > anything pings ok too. however linux > anything will not ping via hostname.
I beleive it's an additional service running on windows to resolve hostnames without DNS (wins/netbios).
DNS is done via a netgear DG834 router (DNS forwarding).
I know i could either use direct IP, or add machines into the hosts file, but im wondering if theres some way around that and to have it dynamically update like it does on the windows machines. static mappings seem a bit silly inside DHCP zones
I've seen some reports of avahi causing local network issues (taking over the .local domain), but i think this only extends to having to manually enter in .local after the hostname and even after removing avahi, the problem is still present.
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Feb 7, 2016
I managed to set up an openvpn server, ip-forwarding and a nat iptable rule for that.
Almost everything works as expected, but my problem is:
Smartphone -> VPN -> Internet ==> works (by ip and hostname)
Smartphone -> VPN -> machine in my local network by IP ==> works
Smartphone -> VPN -> machine in my local network by its hostname => DOES NOT WORK
Machine w/ VPN server -> ping to machine in local network by ip or hostname => works
So, i wonder why i cant access a local machine through the vpn by its hostname. I guess I'm missing a forwarding rule??
iptables dump:
# Generated by iptables-save v1.4.21 on Sun Feb 7 20:56:52 2016
*nat
:PREROUTING ACCEPT [786:59064]
:INPUT ACCEPT [728:53047]
:OUTPUT ACCEPT [19:1487]
:POSTROUTING ACCEPT [20:1576]
-A POSTROUTING -s 10.8.0.0/24 -j MASQUERADE
COMMIT
# Completed on Sun Feb 7 20:56:52 2016
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May 28, 2011
Last night I setup bind9 on my server. I created a local domain (name.local). The server's ip address is 192.168.1.254
The issue that I'm having is that with my ubuntu laptop, I can't ping the name of the server.
Code:
user@prefect:~$ ping name.local
ping: unknown host name.local
But when I do the same ping from both the server and a XP computer, it will respond.
I can ping the laptop with it's name (prefect.name.local) from both the server and the xp computer.
This is my /etc/resolv.conf file:
Code:
user@prefect:~$ cat /etc/resolv.conf
domain name.local
search name.local
nameserver 192.168.1.254
Also, when I do nslookup name.local or dig name.local, the return with no errors.
Why is it that I can't use the name of the server to access it and that only the ip address works?
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May 14, 2010
ever since upgrading from karmic to lucid, i cannot ping fqdn hosts in .local tlds. nslookup & dig work, but most other utilities fail (ping, traceroute, etc...). i know .local is an invalid tld, but apple seems to have made it a defacto standard on private networks, so i'd imagine somebody else has seen this issue before... is there a simple fix that doesn't require managing hosts file entries on a bunch of systems?
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Jun 23, 2010
So in an effort to increase the speed of my netbook, I removed Ubuntu and installed Lubuntu on it. When I tried to mount my samba share as I normally do, I noticed it wasn't able to connect - mount error(113): No route to host. Sensing something fishy, I attempted to ping the machine (both by name and by IP) - Destination Host Unreachable.The machine I'm trying to connect to is using Ubuntu 10.04 x64. I attempted to ping the other way and it was able to connect to the netbook just fine. When the netbook was using Ubuntu, it was connecting fine. My iptables check out ok, but here is the output of iptables -nvL:
Code:
Chain INPUT (policy ACCEPT 213 packets, 21635 bytes)
pkts bytes target prot opt in out source destination
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
[code]....
Does lubuntu have some funky firewall built in to it that I can't find? (I've Googled for information on a Lubuntu default firewall and can't find any)
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Apr 30, 2010
I installed Fedora 12 on my laptop. I have a wireless connection to the internet that works fine, I attached an Ethernet cable from this laptop to a windows machine. There is a green light.
I can ping my localhost. I can ping the windows machine using it internal IP address via the router. However, the eth0 IP address does not work when I ping to it from the windows nachine. Also, I cannot ping to the windows machine using the IP address associated with the Ethernet connection.
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Aug 26, 2009
I have 2 live IP based Linux systems .
[Code]...
Both systems connected in same LAN based network . Both WAN live ips are connected through different modems. Problem is that , no system is able to ping or connect with other system with Live ip , though they are able to connect through LAN ip and both systes are accessable and also able to browse internet (google etc..) Ping error :-- Destination Host Unreachable.
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Jul 15, 2011
I am using an virtual machine. where I need to ping from one machine to another. earlier I was able to ping. But after going to google.com once, I cannot ping back to this machine.
But if I gave ping -I eth1 <IP> then I can ping.
I cannot install any package, so tell me solution which includes not installing any package.
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Feb 5, 2009
I installed nss-mdns in Fedora Core 10 and can see all the Bonjour published hosts on the lan. However, I am always forced to append the .local domain when referring to a host:
Code:
% ping foo.local
works
[code]....
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Feb 2, 2010
using redhat on server machine and open suse on client machine.i have installed nfs server and and it is running properly but when i want to mount shares from my client machine it gives the following.
error. "mount.nfs: mount to NFS server '10.3.31.146:/share' failed: System Error: No route to host" both systems ping each other and firewall is also disabled. another problem is when i remotely access from my server machine to client machine it gives the following error ssh:connect to host 10.3.31.147 port 22:connection refused what can be the problem?
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Jun 24, 2010
Every time I do a fresh install, there are a number of manual config things to change. One of them is to modify /etc/hosts to add the local IP addresses to a computer name.Can this be done via the Ubuntu networking somehow ? It would be nice not to have to change some of these config files.
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Mar 16, 2010
I have a ubuntu server running which acts as a firewall/dhcp router for sharing internet to all computers on the network. On the network i have my stationary computer (win7) and my laptop (macbook).The server has 3 nics installed.ETH2 for internet. ETH1 (192.168.1.2) for windows pc. ETH0 for macbook (192.168.2.2).I can share files no problems over the network. Between windows <-> server, macbook <-> server, windows <-> macbook.The problem i'm experiencing is that i can't seem to find either hostnames between windows and macbook. They connect to each other fine with the right ip addresses, but they can't seem to connect when using computer names.
On both the macbook and windows pc i can see the server and connect to it without using the ip adress.What can i do to make them see each other with their computer names? Is there anything i can install on the server and configure in order for it to work automatically?In osx you have a tab in the finder that says "shared" which shows the computers on the network and only my server pops up.The same in windows, i can only see the server but not the macbook.As said, it works perfectly fine if i use \192.168.2.2 (or smb://192.168.1.2 on the macbook) but i'd rather be able to connect via the computer names.Would also love if they could resolve automatically so when a friend connects to the network i'll see his computer name right from the start, without any re-configuration.
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Nov 26, 2010
I am wondering if it is possible to use avahi to resolve hostnames across a gateway. With gateway I mean a linux box with ip_forward'ing enabled to pass traffic between interfaces. The gateway connects two networks with all hosts running Ubuntu and specifically avahi-daemon. The gateway is not running avahi and I am not able to install it there. The firewall configuration on the gateway is not blocking any traffic between the networks. I am able to send UDP packets from a host on one network to a host on the other.
When I run tcpdump on a host and try to ping that host.local from a machine on the other network I see no traffic. This means that the gateway is not passing the multicast traffic along. Is there any special setup required on the gateway to allow this?
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Feb 20, 2010
I've setup two slackware in a Dell Inspiron 640m e in Acer Aspire One D150.
In my router the domain is "home", the two slack use wicd (dhcpcd backend) to connect. I can go in internet.
The problem is that in my router panel I can see the hostname (so dhcpcd send the right one) but they can't ping other machine in the lan (windows 2000, nas or other linux box).
Now I can't use a fixed ip (i change several networks with different routers).
I think I miss something that can ask to my router the hostname.
Anyway I was able to ping Dell.local and Acer.local with Ubuntu karmic.
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Jul 24, 2010
I have two machines on this network, one running Ubuntu and the other running Fedora.
When I'm using the Wireless network on the Ubuntu machine, I cannot ping the Fedora machine. Everything else works. I can browse the net fine.
If I switch over to the Wired Network then I can ping the other machine.
I don't understand why ping doesn't work only over the Wireless. I can ping the router so I'm guessing it's getting blocked by the router but I didn't block ICMP traffic.
I tried asking on IRC and they ran out of ideas too to find out where the problem is.
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Jun 28, 2010
(although I'm running Solaris, I've posted here as I expect Solaris/LINUX is irrelevant) - more of a general network Q.I have a PC running Solaris 10 (hostname MARKUNIX) and a laptop running WinXP (hostname MARK-LAPTOP). Both are connected to broadband via a router. IP addresses for each are determined via DHCP (192.168.1.nn) and I do not leave either on, 24x7. I am running Oracle on MARKUNIX and want to be able to refer to it by hostname when using Oracle tools on my laptop.Each machine can ping each other ok by ip address and curiously the Solaris PC can ping MARK-LAPTOP (I'm not sure how it resolves that?) - importantly the laptop cannot ping MARKUNIX.Now I could add MARKUNIX to my laptops hosts file but that would mean changing the file each time I boot up as the ip address for MARKUNIX will keep changing (DHCP).
Is there a way to refer to MARKUNIX without having to keep changing ip addresses and use DHCP? As I understand it the 192.168 address is private and is not really the 'real' ip address and as such can be manipulated(fixed?) even whilst using DHCP?Am I right in thinking that a static ip from my broadband supplier is the ip of my connection (router) and I'll still have the same private network referencing issues?What I've covered above pretty much is the extent of my knowledge of networking so bear that in mind please.
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May 21, 2010
How do we configure to resolve for hostnames when an IP address is provided to the DNS server.
Things I tried
The DNS daemon was started by the resolution failed. Find the logs below
** server can't find 11.127.168.192.in-addr.arpa: NXDOMAIN
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Jul 9, 2010
Ive got a problem on my server ....installed Debian 5 , Webmin and than syscp settung up syscp ready ....
I try to ping "localhost" ansver ping: unknown host
I try to ping "localhost." there is a host with IP 127.0.0.1
I need it to change it in "localhost"
Is that the bind9 maybe?
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Feb 1, 2011
I just installed my first EVER bind DNS server. I am running bind9 on Ubuntu 10.04. Everything seems to be working great except one thing: If I ping a host that I have set up in bind by its HOSTNAME the pings take 5-6 seconds to reply/print to the screen between each echo response. If I ping by the host's IP address, they echo back very quickly.
I have read that IPv6 can cause this, but I have disabled it in /etc/sysctl.conf and the problem still exists.
I know everyone says this can't be a DNS issue, but this never was an issue with dnsmasq (which i was using prior), and it doesn't make sense that the ping are ONLY slow when pinging by hostname and not IP.
Configs below:
Ping by hostname - there is a 5-6 second delay between each one of the responses:
Code:
Ping by IP - the responses come VERY quickly one after the other:
Code:
/etc/resolv.conf:
Code:
Code:
rev.0.168.192.in-addr.arpa:
Code:
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Apr 29, 2010
So, I have an Virtual Machine running CentOS 5.4. It sits behind a hardware firewall which also does NAT'ing. I've set up plenty of these, so I know for sure the firewall and NAT rules are set up correctly. From the host, I can ping anything in my subnet and the gateway. But I can't ping anything else beyond the gateway. I can perform DNS queries and when I try to ping, it finds the appropriate IP address.But from the outside, I can ping the PUBLIC address (It's a 1 public to 1 private address NAT, not 1 public to multiple private). I've tried it with IPTABLES on and off, with no change.
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May 26, 2010
I have Mandriva One 2009.0 (192.168.1.100) on one box and Mandriva Free 2010.0 (192.168.1.118) on the other. I can ping router (192.168.1.1) from both of these boxes but I can't ping one box to the other and the other way around. What's going on?.
Do I have to change some settings in router?. Or is it firewall issue on those two machines?. Both of these boxes are connected by cable. Symbol of the router: TL-WR340G.
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Mar 30, 2010
I just configured vhost server in my linux server. When trying to access the open source (SugarCRM) application running on it, its giving me the error message that i am not connected to internet. I have restarted apache by no luck.
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Aug 31, 2010
I have a problem reaching some hosts on the Internet, namely newegg.com and djangoproject.com. On the same machine and network connection using Windows 7 the host names resolve properly and I can connect to them. The host names are resolving in Ubuntu, but I cannot connect to them.
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