Domain Name System for computers, services, or any resource connected to the Internet. It translates domain names meaningful to humans into the numerical identifiers associated with networking equipment for the purpose of locating and addressing these devices worldwide.

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53 views

NTP without DNS

I have a box running ubuntu 10.04 x86 & it's isolated by necessity from a lot of the network. It is blocked from DNS. I'd like it to keep accurate time, so I've configured NTP with several ...
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22 views

Is it possible to add custom A or CNAME records into zone controlled by MAAS 1.9.2?

I'd like to add a few DNS records to a MAAS controlled zone for deployed services to have nice looking URLs. The zone is not a temporary .maas or anything like that, it is a subdomain of our company ...
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25 views

container error in juju ok in lxd 'even the latest' version

I get some trouble to deploy container ... i can ssh them in lxc but the unit stay in "STATE DNS:ERROR" juju debug-log show nothing ? thanks in advance JP
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51 views

DNS problems in Ubuntu 14.04

My current /etc/resolv.conf looks like this: nameserver 192.168.1.254 nameserver 10.23.0.1 search home My basic problem is that I want to use different nameservers, such as Google's nameservers, ...
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13 views

Zpanel Local Linux

I have a problem with my Zpanel. I installed it on my VPS Server where I run CentOS 6.7. I have also installed on it VNC and Mozilla. Ok so I logged in to my zpanel using VNC and mozilla, and then I ...
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86 views

LAN private FQDN - Ubuntu Server 16

I have installed Ubuntu Server 16. I need static domain (FQDN) for LAN, there is no static or dedicated external IP and no domain name, everything is internal LAN only. Steps Used: nano /etc/...
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137 views

(K)Ubuntu server DNS address could not be found. DNS_PROBE_FINISHED_NXDOMAIN

I have dual boot Kubuntu 16.04 with Windows 10 on my laptop. Recently after playing with bug that causes time differences between these two systems I ran into a problem - I can no longer visit www....
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1answer
41 views

Ubuntu is trying to resolve local IP addresses

I run into a big problem on my project yesterday. I have a local server which I connect to through websockets. Everything works fine. The next step of the project was to use it when the network wasn'...
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1answer
33 views

FQDN does not resolve from Windows, hostname does (NMBD)

I am trying to configure an Ubuntu Server (14.04) in a Windows AD environment. It will be serving some intranet pages. The goal is to reach this machine by either its hostname (e.g. ubuntu-server) or ...
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1answer
44 views

Lookup DNS entry by hostname without FQDN [duplicate]

I have a Windows Server 2012 R2 server that has the AD role installed on it. All machines, Linux and Windows use the AD DNS server for name resolution. When making DNS queries on Linux using NSLookup ...
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2answers
50 views

Cannot open websites, some of

Some websites cannot be shown on Ubuntu 16.04, how to fix it? Tried to clean dns as sudo /etc/init.d/dns-clean start. Still nothing, some websites are, however, working - but some not.
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18 views

redirect https in *.conf file

On the WWW I can find a lot of info for redirecting http to https. But this isn't exactly what I need. I need to redirect on old dns name to a new one, http and https. Can somebody point me in the ...
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1answer
35 views

Nameserver not responding

I setup the dns on vps completely but i am getting error as follows as per intodns.com ERROR: One or more of your nameservers did not respond: The ones that did not respond are: 8.33.137.137 I am ...
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0answers
14 views

postfix 2.11, cannot receive emails from specific domain

helo, I am over 3 days now working on a solution. Our server is getting emails normally from around the world, except from one domain(our ISP free emails server domain). It would not be a problem but ...
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vote
1answer
26 views

BIND9 will not resolve

For some reason when I do nslookup routeror nslookup KLAMESERVER for my router.Klamenick.com or KLAMESERVER.Klamenick.com internal domain, it always says: Server: 192.168.0.2 Address: ...
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1answer
86 views

14.04 to 16.04 upgrade ignores NetworkManager.conf

The machine in question was a straight from dvd install of 14.04 (upgraded to date before upgrade to 16.04 on 27-APR-16), with static ip, bind9 and registered domain. /etc/NetworkManager/system-...
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1answer
81 views

Openstack LXC containers missing DNS

In my newly deployed openstack environment, I noticed that CEPH was failing within the 3 LXC containers. 016-05-03 02:18:38 INFO juju-log Unknown hook update-status - skipping. Reading package lists.....
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21 views

Username & Host Name are Screwed on Terminal

I have been working on my machine to setup a web server. At a certain point, I noticed my username & host name displayed at the very beginning of each line of terminal commands are different from ...
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2answers
11k views

Set static IP Ubuntu 16.04

I am a new with Linux, having years experience with Windows servers/desktops and am having issues setting a static IP. I am using a method used for previous versions of Ubuntu, which doesn't seem to ...
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1answer
39 views

Problems connecting to hosts in local network on 15.10

I've recently done a fresh install of Ubuntu 15.10 and I'm experiencing problems accessing hosts on my local network. Just an example: host printer.mydomain.local works perfectly, returns the ...
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0answers
16 views

Multi-NIC client w/ isc-dhcp-server & dynamic bind9 recommended configuration

I have a properly installed and configured isc-dhcp-server & bind9 box that is correctly updating DNS records based on leases. This works well. I understand how the isc-dhcp-server can be ...
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1answer
61 views

dnsmasq doesn't check dnssec

I'm on Ubuntu 14.04.2 LTS. NetworkManager starts dnsmasq with --proxy-dnssec option. However: $ dig @127.0.1.1 dnssec-failed.org ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: ...
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5 views

Setup hostnames for pptp clients instead of addresses

I have a pptp server and I want to setup a hostname (DNS entry) for the clients to use instead of IP addresses. I tried adding to my /etc/hosts file but that didn't seem to affect the pptp clients. ...
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44 views

How can I use a Linux BIND DNS server for my Windows Active Directory forest?

How can I use a Linux BIND DNS server for my Windows Active Directory forest? We trying to avoid having the Windows Sever 2008 AD domain controller host DNS at all. We want to use Ubuntu Server with ...
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1answer
30 views

Troubleshoot personal internet failure

I have Ubuntu 14.04 and we have Wifi in the house. Lately (every 2 days), my laptop fails to connect. The Wifi sign loads forever (you know the white lines going bottom-up recursively). The issue is ...
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1answer
73 views

DNS cache on Ubuntu

Is it true that Ubuntu doesn't have DNS cache by default and what options I have to enable it ? Is bind9 option that can enable caching of DNS ?
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1answer
54 views

Bind9 Name Server slave having master file transfer problems

I have a master name server set up and now I am trying to configure the slave. Bind9 appears to load and run fine, however I am getting the following error: Apr 27 12:47:21 ns2 named[23563]: dumping ...
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1answer
60 views

DNS lookup sometimes failing for git clone

Every so often when I try to clone or pull a Git repository from my private hosted Gitlab server I get an error stating that the name or host could not be resolved. I figured this was because a DNS ...
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70 views

Websites not loading in Ubuntu in both chrome and firefox

I am running ubuntu 14.04 and i am using a DSL Connection.From last few days i am having problem in loading some websites like ubuntuforums, hackerrank, mdn etc. I have tried alsmost all solutions ...
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17 views

DNS issue in Kubuntu 15.10 on campus network - DNS not resolving except when connected through one particular wifi router

I'm facing a weird DNS issue. I'm on a campus network. My laptop runs Kubuntu 15.10. When I connect from my dorm room wireless router (which is also on the campus network), everything is fine, I can ...
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1answer
205 views

Problem with IPv6 sudo apt-get update/upgrade

I am using Ubuntu 16.04 Beta 2 at the moment and every time I try to update at home via sudo apt-get update or upgrade trough sudo apt-get upgrade I wont get any feedback. Even installing of anything ...
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17 views

why ubuntu can parse a ip address from domain(ex:www.facebook.com) when I had modified it's dns server to host that no exist?(I had reboot.)

why ubuntu can parse a ip address from domain(ex:www.facebook.com,i never visit it before.) when I had modified it's dns server to host that no exist?(I had reboot.) root@iZ25kzpxgdzZ:~# cat /etc/...
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1answer
153 views

Unable to ping hostname only IP address

I'm trying to connect to my linux server via the hostname for Samba. I'm have been able to access it with no problem then all of a sudden it stopped working. Here is what is happening. This is what I ...
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1answer
39 views

Block IP beginning with, U.F.W

Someone is running a registration bot on my site and I have taken steps to prevent the registration, but now I want to block the whole IP range from even being able to access my site. I have set up ...
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0answers
13 views

DNS issues when ever I switch networks

I am having DNS issues, where when ever I switch networks, I can only access IP addresses, no domain names. I then run: $ sudo dpkg-reconfigure resolvconf which allows me to then start using the ...
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19 views

How to use query options with 'dig'command

I'm using Ubuntu 14.04 LTS (kernel 3.19.0-58-generic). I' m facing issue when running 'dig' with query options like +trace. When I use dig w/o query options everything works predictable, but if I ...
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1answer
54 views

Setting up domain with LAMP server

Not sure if this is the best forum so let me know and I'll delete it if so. I've setup a LAMP server on Ubuntu 14.04 which works fine the issue is, right now I can only access it through the public ...
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33 views

Nmap proxy and dns resolution

How to use nmap and dns resolution of nmap over proxy? I tried proxychains, but for dns resolution it doesn't work, it's known bug as I read on some forums. It works well without dns_proxy feature in ...
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2answers
44 views

how do I access linux machines by name on the network?

I run a home office and I have a number of linux boxes and mac machines. I'd like for people to be able to ssh into the various machines without having to remember each machines ip, by using the ...
0
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1answer
67 views

dns server assigned from dhcp is equal to the address of the client

I had the following enviroment configuration: http://i.imgur.com/9chRJT8.png Ubuntu VM /etc/network/interfaces: auto eth0 iface eth0 inet static address 192.168.10.11 netmask 255.255.255.0 ...
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1answer
78 views

resolveconf -u keeps adding an unwanted search domain to resolve.conf

I have my desktop computer configured with a static IP address: However, /etc/resolve.conf keeps getting overwritten with: nameserver 127.0.0.1 search localdomain example.com This seems to ...
2
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2answers
99 views

Static IP in ubuntu server 15.10

I know there's a lot of this kind of questions and tutorials about setting static ips, but I've tried everything and still I can't manage to get a static ip. Internet's working fine (I can ping google....
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0answers
16 views

Two Dns working together: one for lan one for wifi

I have two network interfaces on my laptop: eth0 10.0.0.2 gw 10.0.0.1 dns 156.0.0.1 wifi0 192.168.1.2 gw 192.168.1.1 dns 8.8.8.8 When I ping sample.local I would like to use 150.0.0.1 as the DNS ...
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votes
1answer
50 views

How do I enable Bonjour/Avahi lookups in all tools?

Although I've got numerous Avahi packages installed, I can't seem to get something like "ping myhost.local" to resolve. But "avahi-browse --all" does return results. The device I'm trying to reach can ...
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2answers
2k views

What is difference between localhost address 127.0.0.1 and 127.0.1.1

I am just learning using Ubuntu and when I tried to configure the DNS, I need to deal with something call localhost, loopback interface. Can anyone explain me the differences between them and the ...
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40 views

Can not access internet or Router with Ubuntu Server 14.04.3

I have installed Ubuntu Server 14.04.3 and set-up a static IP address, after I had applied the static IP as below im not a ble to access the internet by the server, when I try to ping google.com I get ...
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1answer
55 views

debian host resolving error

I have some problem with resolving hostnames with ping and in my browser. If I ping any non-existent domain name (as jhdevjfejbhbdufb.com), I get local IP adress as a response (external ip). But ...
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1answer
110 views

DNS Server with bind9 cannot resolve reverse zone

I have recently reconfigured my network and am trying to go through the process of changing all the servers over. In the process of doing this, I found that my dns/dhcp servers are having some issues. ...
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1answer
52 views

Dns problem ubuntu server

I recently downloaded the ubuntu server 14.04 and I wanted to use the webmin, there's no error in installation and every thing sounds good. I tried to put in browser https://name_server:10000 but ...
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1answer
45 views

Avahi works on one computer but not on another

I've searched for clues to this problem for days, hope someone here can shed some light. I know I can use IP addresses only for this simple case and I know about other solutions like DNSmasq, but I'm ...