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

Openvpn : Local internet and remote DNS

Here what I want to do : Access to a remote network through OpenVPN Use client gateway to access internet (so I DON'T want to redirect all through VPN) Use remote DNS through VPN, because I have ...
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1answer
329 views

ddclient with google domains dynamic DNS to ssh into my desktop

So I want to be able to SSH into my home desktop. I set up port forwarding on my router, and was able to ssh into my machine ssh alex@2601:647:4802:b000:e938:d8b5:6111:e0fb When I restart the ...
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1answer
104 views

why am i unable to access internet even with being connected to network?

ive read through similar posted questions and have not gotten any consistent results. i have a lenovo laptop, with windows 10, i just installed ubuntu 15.10 beside windows. everything seems to work ...
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5 views

Not able to disable DNS Linode ubuntu

I have disabled DNS from linode DNS Manager But still it is accessible via url why? How to disable it?
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1answer
30 views

Making site live on linode ubuntu server

I am creating virtual host -- For that I have followed below Url details set-up-apache-virtual-hosts-on-ubuntu I have created virtual host of name raveesmake.com also restarted apache server. When ...
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18 views

After few minutes of browsing internet I cant browse internet

After browsing internet for few minutes I get resolving host problem. I ran route before the outage and I got Kernel IP routing table Destination Gateway Genmask Flags Metric ...
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148 views

How do you fix DNS_PROBE_FINISHED_NO_INTERNET

I am running Ubuntu on a lenevo x1 carbon. My WiFi and internet is working on my Android and windows devices but not Ubuntu. When trying to use an internet browser I get the following error. ...
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102 views

Wireless Network Connection (DNS Probe Not finished) Ubuntu 15.10

When I get in one room, 6-7m away from router (they are in seperate rooms) i still have wifi connection but in the browser(s) it says DNS probe finished No internet. After restart it works for 2-5 ...
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1answer
240 views

Can't connect VPN with OpenVPN on Network Manager Ubuntu 14.04 LTS

I would like to connect to my new VPN (HMA) with openVPN and Network Manager on Ubuntu 14.04LTS. I can establish a connection with a VPN server but I can't use Web browsers ("Address not found"). Also ...
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17 views

Is it possible for dns records to update for vpn clients?

I have an Ubuntu server than runs routing, bind9, dhcp, and vpn. Everything is working like it should. I would like to add the ability for vpn clients to register a DNS record so that I can resolve ...
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1answer
62 views

Creating virtual hosts for a domain and subdomain on ubuntu

I have two versions of applications running on an apache server.Now I have to point one to the main domain viz www.example.com and the other to a subdomain mysite.example.com. The challenge I am ...
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2answers
68 views

dig times out while host works

I'm currently running a relatively fresh installation of Ubuntu GNOME 15.10 on a notebook connected via Wifi. Other network interfaces are present (mobile broadband, ethernet) but apart from the lo ...
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34 views

Nslookup returns correct ip, ping and everything else doesnt

At this point, I'm completely stumped. I can run nslookup: unpriv@jsg-web:~$ nslookup google.com ;; Truncated, retrying in TCP mode. Server: 8.8.8.8 Address: 8.8.8.8#53 Non-...
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1answer
36 views

Where do I initial declare the FQDN?

I'm pretty new to this, but I'm setting up a private LAMP server for my small organization. I made a webapp that runs on Apache. Currently I can access the server on a different devices using the ip ...
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0answers
42 views

Intermittent failure to connect to a website

I'm trying to access a website. Sometimes I can access the website and sometimes the browser seems to be stuck while trying to connect. All that is shown by the browser is "connecting..." in the page ...
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140 views

bind9 don't work after update and restart on server 14.04

I updated my NAS "Server" a couple of days ago after a long time (4/5 months). After the update (one update for a kernel failed) i restarted the NAS. On the NAS is a samba4 domain and bind9 without ...
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1answer
475 views

Something is listening on port 53

I want to set up bind9, but something is listening on port 53. It's local address is ubuntu.ubuntu-do:domain. How to disable it, so it wouldn't listen anymore? I think it is dnsmasq, but still I don't ...
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1answer
672 views

How to set the upstream servers of dnsmasq on ubuntu 15.10?

I want to set the upstream servers of dnsmasq on ubuntu 15.10. I've read a lot of documentations or resources about dnsmasq, in which they referred to a configuration file called /etc/dnsmasq.conf, ...
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1answer
45 views

Is /etc/hostname just for internal use?

I have read the question "How to set the fully qualified domain name", and I am trying to understand the difference between "the" hostname (it seems there is only one) and the domain names (via DNS, ...
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0answers
48 views

TurboX WLR-302 repeater

I am trying to install the TurboX WLR-302 repeater in my Ubuntu operating system. The IP of the repeater is 192.168.10.1 and the IP of the router is 192.168.1.1 > I am setting it up manually and need ...
3
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1answer
798 views

Fix VPN DNS Leak on Ubuntu 15.10

When using Cyberghost through OpenVPN, my computer still uses the DNS settings from my router (in this case, Google Public DNS). I was able to use OpenVPN without DNS leaks on Ubuntu 15.04. Following ...
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53 views

domain not forwarding via dnsmasq

I'm using : Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty And Dnsmasq version 2.68 Copyright (c) 2000-2013 Simon ...
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33 views

Ubuntu DNS problem

I have a Ubuntu vm that get's all the configures from a DHCP server. now the DHCP server gives the next DNS: 192.168.21.30 (my own) and the Ubuntu vm gets 8.8.8.8 for DNS. I have check /etc/dhcp/dhcp....
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2answers
31 views

DNS only seems to work with VPS provider's servers

On Ubuntu Server 15.04. My /etc/resolv.conf is the only place I can find DNS servers and it looks like this: # Automatically generated by OnApp (2.3.1) domain localdomain nameserver [vps_provider_ip] ...
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1answer
21 views

SMTP SERVER for redirect mails in good dns

I am a student, and i have a formation period. They asked me to create a SMTP server/proxy for dispatch mails in one network with two DNS. In function of the domain of the receiver. Example : A is in ...
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43 views

MAAS images register with “ubuntu” hostname in the DNS

I have set up a MAAS server (last stable 1.8.3) with an external DNS and DHCP and everything seems to work fine except for a minor issue deploying the Ubuntu 14.04 LTS image. During the deployment ...
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0answers
199 views

OpenVPN, IPv6 and DNS Leaks in Ubuntu 14.04

I have been trying to set up a secure connection using OpenVPN but I've been running into some issues with DNS leaks. Basically, I have no problems getting the VPN service up and running using ...
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1answer
62 views

How to resolve multiple hosts inside a NAT firewall

My apologies if this has been asked before, but I can't seem to find a complete solution. I have a hosted sub-domain at no-ip.com with a wildcard DNS option enabled. On my end I have a firewall port-...
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0answers
36 views

Resolve domain names to IP's based on physical adapter

System Configuration eth0 NIC to the LAN/WAN/Internet (working, don't want to mess with it) eth1 NIC eth2 NIC Objectives Assign a static IP to eth1 and eth2 and assign IPs (DHCP) on separate ...
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1answer
57 views

Bind9 basic configuration for internal network with windows pcs

I have a network with more than 50 PCs running on Windows, Mac ans Ubuntu. We have one internal Web Site running in a windows 8 PC IIS on the IP 192.168.0.110. Right now we all can access this ...
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3answers
88 views

Pointing a domain-name to my local RaspberryPi running Raspbian Wheezy [closed]

[I hope this is the right StackExchange site for this question. It is about Ubuntu, but also about servers/networking.] I have a RaspberryPi running Apache on my local network. I forwarded port 80, ...
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1answer
429 views

nslookup query not working in Ubuntu

I am trying to use the code nslookup -q=mx gmail.com to find the mail server of gmail.com, but its not working on my Ubuntu. I have tried it in windows and it works fine. I can't find out what the ...
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26 views

Expose my home computers by HOSTNAME with BIND9 and DynDNS?

I would like to access my home computers, by name, from the public internet. I have a DynDNS address madeup.dyndns.org that points to my home router at 12.34.56.78. From work, I can reach my home ...
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0answers
58 views

dnscrypt-proxy Suddenly Stopped Working after Last Friday Updates on Trusty 14.04

I was using dnscrypt-proxy from my PPA https://launchpad.net/~anton+/+archive/ubuntu/dnscrypt since last January without any problem on my Ubuntu Trusty 14.04. However yesterday when I restarted my ...
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36 views

Protection against infected ISP

Today I faced a scary situation. I visited some websites and there was many ads popping up which warned me that something is wrong. I started my investigation and find out that some javascript files ...
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1answer
47 views

resolve.conf issue in 14.04.1 LTS

resolve.conf is displaying some HTML code and I can't seem to correct the issue. I've added DNS entries to /etc/network/interfaces and resolvconf -u showed a missing symlink; so I rm'd resolve.conf ...
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1answer
44 views

Configuring my email MX record

I'm dropping my hosting and email service with GoDaddy. I will maintain them as my registrar and DNS. I have setup an Ubuntu Linux 14.04.3 Apache2 web server and it is working. I just need to open the ...
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1answer
470 views

How to solve “wget: unable to resolve host address” [closed]

I am running this as root: # wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-4.0.1.tar.gz --2015-11-17 20:31:46-- http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-4.0....
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1answer
51 views

apt-get update hangs on a repo addr that should be responsive [duplicate]

--DUPLICATES apt-get stuck at 0 [Connecting to us.archive.ubuntu.com] --RESOLVED same as in link above... general env ( a new isp 2 weeks ago 'web-pass.com' ) ubuntu 12.04 no local dns cache ( ...
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1answer
1k views

intermittent error while browsing on chrome DNS_PROBE_FINISHED_NO_INTERNET

On ubuntu 15.10 while browsing with firefox or chrome i randomly get this error and then i have no internet unless i reconnect to the wifi (or reboot) the error > DNS_PROBE_FINISHED_NO_INTERNET Does ...
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1answer
275 views

RDP unable to connect Remmina/Ubuntu 14.04

Remmina had been connecting to my RDP service for several months, until it just stopped. It will still connect by IP address. Ping confirms that the domain name resolves to the proper IP, and nothing ...
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0answers
34 views

Cannot Connect to Network checked /etc/network/interfaces

I am trying to connect to the network on a ubuntu server 14.04 on a laptop. Pinging to google.com gives unknown host google.com pinging to 8.8.8.8 gives Network is unreachable /etc/network/interfaces ...
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0answers
1k views

curl: (7) Failed to connect to SERVER port 80: No route to host

Please help me to understand. I am currently try to set-up Parsoid with this guide. It is needed for the MediaWiki extension Visual Editor. After the installation of the Ubuntu repositories I ...
1
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1answer
233 views

Two NICs and routing between the interfaces

I am having a problem with an Ubuntu server running two NICs on two different subnets androuting between them. We are running a Nginx server as a reverse proxy with a public subnet and private subnet....
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44 views

sharing ethernet connection by preserving external DHCP server

I am currently using two workstations at the University, but I only have one single ethernet cable providing internet connection. One of the two workstations (running Ubuntu 14.10) has two ethernet ...
0
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1answer
210 views

Samba PDC Intenal DNS Forwarder

I have setup a Samba PDC using the following guide: https://wiki.samba.org/index.php/Setup_a_Samba_Active_Directory_Domain_Controller I have opted to use the internal Samba DNS server and have ...
0
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1answer
21 views

How to manage sub-domains on Ubuntu

I have an Ubuntu server with the following domains: sub-staging.example.com sub.example.com While testing the site via mobile, I noticed the phone would force the url to: www.sub.example.com ...
0
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1answer
46 views

My DNS settings constantly set itself to default

I execute sudo gedit /etc/resolv.conf on terminal and when opened I modify the nameserver 127.0.0.1 to nameserver 8.8.8.8 nameserver 8.8.4.4 but it resets to the unmodified version after ...
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0answers
89 views

System freezes during boot after failed upgrade

I was running an upgrade from Ubuntu 15.04 to 15.10. About 80% of the way through KDE crashed and the system became unresponsive. I restart and now the system hangs during boot and I am unable to drop ...
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76 views

DNS not resolving using Docker + Vagrant on Ubuntu 14.04

I've enabled my-example.com in a Docker container running apache2 on vagrant running on top of native ubunutu 14.04. In the Vagrantfile I've mapped Vagrant port 80 to 8086 on the Ubuntu host ...