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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Static DNS in Ubuntu Server 16.04 [duplicate]

I am a complete new-be when it comes to Linux and even more so when it concerns Ubuntu. I want to configure the IPv4 settings to have automatic assigning of IP address but manual assigning for DNS. ...
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2answers
151 views

Problem with DNS in the latest Kubuntu 16.04 update

Today I install Kubuntu 16.04, again, because I'm having trouble to navigate. I have tried all kinds of browser, and with all I have the same problem. Sometime when I open a page, I received these ...
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45 views

Opendkim key not found

I've been trying to setup DKIM on my VPS with the help of this article, but when I test the installation, I get a opendkim-testkey: No key Below the config files: /etc/opendkim.conf # This is a ...
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36 views

External subdomain not resolving

We have a server that runs www.domain.com, which sends e-mail via smtp.domain.com (external). Some time during the last few weeks the server hasn't been able to reach the smtp domain and therefore ...
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0answers
51 views

nameserver problem for internet connection

I installed ubuntu 16.04 on a HP labtop. Right now, I can get access to wifi. For instance, ping 104.16.33.249 will return as PING stackoverflow.com (104.16.33.249) 56(84) bytes of data 64 bytes from ...
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2answers
41 views

How intelligent is OpenSSH when it comes to connecting to a domain that leads to your internal network?

I run Ubuntu on my personal machine, and have an network of servers on my local network at my house. I have a cloud server, and a software development server, as well as some others. My servers have ...
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1answer
156 views

Ubuntu 16.04 multiple NIC, bridge - Not getting br0 DNS settings

After a updated to Ubuntu 16.04 - which has mostly gone very well - everything works except resolving names from the host. Resolv.conf does not pick up dns-nameservers from interfaces (br0) for some ...
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97 views

Why Google ping (DNS server 8.8.8.8) in windows is faster than ubuntu 16.04 and Other Linux distribution?

I've read all the solutions regarding to similar problems existing in all the community and I've performed these options but none of theme work! I've checked the google ping both in linux and windows ...
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20 views

Ubuntu 14.04 server DNS in VirtualBox

I installed ubuntu server 14.04 in virtualbox. And I make DNS server. but there is a problem. I confirm my domain name using 'nslookup' command and my virtualbox ubuntu server's ip address. And I can ...
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0answers
53 views

Why does DNS resolution not work on the first try?

Ever since upgrading to 16.04, DNS resolution fails (returns Host Not Found) on the first attempt for any website. I can then immediately try it a second time and it works just fine. A little ...
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15 views

Proxy stopped working after setting static IP

I loaded 14.04 LTS from disc. Network Manager set to AUTO. Added proxy to apt.conf. Firefox and apt-get worked fine. Network Manager set to MANUAL. Switched to static IP. Added gateway, name servers,...
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26 views

University Wifi DNS Problem

I hope you can help me on this problem because this is a major roadblock for me. Also sorry for any typos as I'm doing this via phone. For the summer, I am housing at a university that does not ...
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2answers
89 views

Get current DNS server on 16.04-server

Is there a simple command to find out which DNS server I'm using right now? Preferably without resorting to tcpdump or parsing log files? I found a lot of stuff about nm-cli and other nm-tools but ...
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0answers
54 views

Windows VS Linux when it comes to Internet [duplicate]

In my home the computers running Windows have no problem connecting to the WiFi we pay. However, my Ubuntu 14.04 fail to connect every 2-3 days. A reset of the router solves the issue, but that's very ...
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73 views

16.04 - Unable to resolve local hostnames without FQDN

I have been fighting with this for a few months. Initially could not get anything to resolve until I edited /etc/nsswitch.conf. Now, I can resolve the host.domain.local address, but not just host. ...
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1answer
57 views

Pointing a domain name to my home web server

So I have a home machine running Ubuntu Server 14.04 running an apache2 server. This machine is also running a Minecraft server. I set up my domain(example.com) host "A" type record with my WAN IP and ...
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1answer
23 views

Ubuntu Weird Internet Issue [USB/WiFi Tether]

i have an weird problem with internet connection (LTE Network Tethered over USB/WiFi) on my Ubuntu 16.4 Desktop. Webpages load slowly and pings are high when i do ping 4.2.2.4 or ping 8.8.8.8: ...
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1answer
43 views

Unable to nslookup deployed nodes on maas server

In the path toward establishment of an Openstack cloud I've already reach to the point that I must install juju and opensatck but the problem is a deployed node does not have access to the internet (...
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1answer
134 views

Ubuntu ping results in 100% packet loss

I use ubuntu 15.10 and I can ping localhost, gateway (192.168.1.1) and 8.8.8.8 successfully, but I can't ping any other hostname/IP address(outside my network that is). It results in 100% packet loss. ...
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2answers
32 views

Testing DNS for samba to function properly - Ubuntu 14.04

I'm currently following a guide to set-up a Samba AD DC on Ubuntu 14.04 with a Raspberry Pi 2, here's the link: "https://jimshaver.net/2014/07/13/setting-up-an-active-directory-domain-controller-using-...
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0answers
41 views

How do I connect to my dns server (via gui)?

I'm on lubuntu 16.04 LTS, and want to connect using both ipv4 and ipv6. I'm a linux noob and don't understand the answer given here I prefer to change settings via gui, if thats possible. edit: ...
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39 views

nameserver in resolv.conf not getting updated

I'm trying to use a dns service on my xenial. I have added the following line to dhclient.conf. prepend domain-name-servers 208.67.222.222,208.67.220.220; After reconnecting or rebooting resolv....
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40 views

MAAS - Failed to get ip directly [ERRNO -2]

When running the Ubuntu Openstack Installer / Autopilot and am receiving the following error: Reason: "Error deploying landscape". Inside the commands.log file, there is a line which has lead me ...
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120 views

How to specify additional search domains for resolver in 16.04 when using DHCP?

With Gnome Ubuntu 14.04, it was possible to specify additional search domains for the resolv.conf, when editing a network connection, like so: But where do I find this field for the "additional ...
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87 views

16.04 XUbuntu - OpenVPN losing DNS after a couple minutes

Stock install of Xubuntu 16.04. Followed this guide to install OpenVPN for Network Manager, and to download the certs and opvn files for PIA VPN: https://www.privateinternetaccess.com/forum/...
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73 views

How to control startup options of dnsmasq?

I'm on Ubuntu 16.04 Xenial and Network Manager started dnsmasq for me with these options: ~/ ps awux|grep dnsmasq nobody 2649 0.0 0.0 54488 3588 ? S Mai23 0:00 /usr/sbin/dnsmasq --...
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0answers
29 views

Ubuntu server- static ip has changed

I have set an ubuntu server 16.04 today. I have set static IP in /etc/network/interfaces to this: #The primary network interface auto enp0s3 iface enp0s3 inet static address 192.168.56.20 netmask 255....
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1answer
68 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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0answers
25 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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27 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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60 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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14 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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98 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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152 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
44 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'...
0
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1answer
39 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 ...
0
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1answer
56 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 ...
0
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2answers
53 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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1answer
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 ...
0
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1answer
42 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 ...
2
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0answers
15 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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1answer
28 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
99 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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vote
1answer
87 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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0answers
24 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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3answers
18k 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 ...
0
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1answer
41 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
21 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 ...
0
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1answer
85 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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0answers
7 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. ...