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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3 views

dns probe finished no internet connection

I have a ubuntu laptop but for a few days my wifi has been acting up. I usually hang in my room and it worked fine, but for some reason now it is slow or the page says no internet access. All I'm ...
1
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1answer
53 views

Connect Internet in ubuntu Laptop to linux mint Desktop - Has Crossover Cable

I need to share the wifi internet of my ubuntu laptop to my linux mint desktop , I have a cross over cable. ( Connecting desktop to router is not an option) I am able to ping my laptop from my ...
1
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2answers
4k views

'/etc/hosts' , http links are redirecting, but https links are not redirecting

I edited /etc/hosts file and entered below information : 127.0.0.1 test.com //working 127.0.0.1 https://test.com //not working . from the above info, http://test.com is redirecting to ...
-1
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0answers
8 views

How to set a mlppp server

i have two internet connections in my house and i was thinking of combining them to have better speed and reliability. My thought is to have each router in a lan, so 192.168.1.1 for eth 1 and ...
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3answers
3k views

No internet connection (DNS server address is Router address)

My internet connection in Ubuntu 13.10 doesn't work. I can use IP addresses to open websites but not URLs. The DNS server that I connect to is the IP address of my Router. When I connect to the VPN of ...
1
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0answers
26 views

How to configure Ubuntu Server to point to my registered website's domain?

First off, I'm aware that it's a possibly a duplicate, but what happens is that no matter what I try to google, read, and setup, I'm just unable to fully understand how to do it. Why? Let's take ...
6
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6answers
25k views

How to get hostname from DHCP server

I want Ubuntu to get hostname and DNS name from DHCP client. Default installation of 11.10 does not do that. Update: same question asked and Unsolved
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0answers
56 views

Facebook not working in all browsers in Ubuntu 14.04

I can't load facebook in all of my browsers in Ubuntu 14.04 I don't know where the problem occurs. I already changed IPv4 to 8.8.8.8 but still doesn't work. And also I could access on facebook only ...
5
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2answers
170 views

Unbearably Slow Network Performance in Chrome/Firefox (14.04)

I've been tolerating miserable performance on my Ubuntu desktop for some time and am finally taking the time to look into it. Symptom: Using a web browser (Firefox or Chome; doesn't seem to matter) ...
0
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1answer
13 views

How can you test for a DNS leak for an OpenVPN provider?

I'm currently using VPNBook with OpenVPN. I just recently learned about DNS leaking. Is there a way to scan for it?
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0answers
34 views

DNS not working on 14.04 after recent Windows update [closed]

I have several Ubuntu 14.04 machines, virtual and real, that live on a Windows network. Since a recent Windows update, no machine on the network can reference any of the Ubuntu hosts by name. ...
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0answers
9 views

domain and subdomain setting ububtu server

I have a VPS, with fixed public IP and a domain name for it.(e.g:mydomain.hu) Howe can I set sub domains like ftp.mydomain.hu to the same ip? Thanks for the answer! Bye.
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0answers
32 views

slow download rate

when I want to download a file on ubuntu 14.0.4, the download rate is about 10kBps, but when I try to download from the same server with the same DNS settings and from the same network on win8 my ...
1
vote
1answer
14k views

How to setup DHCP Server and Dynamic DNS with BIND?

Possible Duplicate: How to make my pc a DNS server in local network with no-internet access? I have installed the two servers (dhcp & DNS) what i need is to make the dns dynamically ...
21
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6answers
17k views

What Can Be Done To Secure Ubuntu Server?

I have a project to secure Ubuntu Server as much as I can. The server is a web hosting server. The server will be running LAMP , Mail , and DNS.
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0answers
6 views

how to configure two domains with bind9 arpa

how to configure two domains with bind9 arpa reverse ? i have two ips and two domains dinis.com tijuca.com can i change the second zone and name it like this zone "10.168.192.in-addr.arpatijuca or ...
0
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0answers
21 views

dig doesn't work in Ubuntu 14.10, works in 12.04 in the same network

I'm having an issue when trying to use dig at one of my computers running Ubuntu 14.10 Desktop 64 bit. The same works in Ubuntu 12.04 both at separate physical machine and running inside VMWare ...
0
votes
1answer
402 views

DNS not working over DSL

I connect to Internet via a PPPOE connection that i configured manually as below: /etc/ppp/peers/hamyar #hamyar: noipdefault defaultroute replacedefaultroute hide-password noauth persist plugin ...
0
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1answer
5k views

How to create and configure DNS Server in Ubuntu 14.04 LTS Server

How to change the name of localhost to custom name which is available to other users in lan As the extension of my previous question i want to know how to implement DNS Server and configure it. In ...
0
votes
4answers
1k views

DNS Resolution fails, and /etc/resolv.conf isn't persistent, how can I force the use of certain DNS servers?

I have this persistent and annoying issue. When I first boot up, my desktop can't resolve any DNS names unless I edit the /etc/resolv.conf file and remove the entry for name-server 127.0.0.1 and ...
0
votes
1answer
16 views

How can I tell which DNS servers DNSMasq is using?

How can I tell which DNS servers DNSMasq is using to resolve a name to an IP address? I can't figure it out. All of the existing questions here seem to just go as far as telling users that they are ...
0
votes
0answers
69 views

14.10 Cannot ping www.google.com

I have a relatively fresh install of ubuntu 14.10. I am currently not able to ping www.google.com but I can successfully do ping 8.8.8.8 and I can successfully ssh into the machine from another ...
23
votes
9answers
37k views

What is the proper way to change the DNS IP?

I suspect that the name server provided by my ADSL modem/router is buggy. Whenever I browse to a website for the first time in ubuntu, resolving the domain name takes at least 15 seconds. To work ...
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votes
0answers
46 views

Tweaking Mozilla Firefox to use the Google public DNS

I am not able to open a "Blogspot" website (typically http://somename.blogspot.com for example) on my Ubuntu 64 bit (14.10) machine using Mozilla Firefox. The nslookup command is able to sucessfully ...
0
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1answer
32 views

Cannot resolve .info TLD on Ubuntu 14.04.1 LTS

My new Ubuntu 14.04.1 LTS install doesn't seem to resolve .info TLDs. Google hasn't helped thus far. Details: DNS servers are both correctly listed in the /etc/resolv.conf resolution for .com and ...
0
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0answers
13 views

DNS Cache server on Ubuntu 12.04

I have configured a Caching and Forwarding DNS server on Ubuntu 12.04 and after whole process things were good. The server was working properly. I tested it using dig command. After rebooting the ...
0
votes
1answer
42 views

Having problems with Samba4/BIND9_DLZ : AppArmor permission issue

(12.04.5LTS Server) Have a user "named", configured in the bind9 service to start. My /etc/apparmor.d/local/usr.sbin.named file /usr/local/samba/lib/** rm, /usr/local/samba/private/dns.keytab r, ...
0
votes
0answers
18 views

Samba4/Bind9 “Failed to connect to /usr/local/samba/private/dns/sam.ldb”

(Ubuntu Server 12.04.5 LTS) Bind 9.8 (working as local authority,) latest Samba4 from GIT. Trying to get Samba integrated with Bind The first error message thrown in /var/log/syslog is mailhost ...
0
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2answers
19 views

Tools for dns lookup in ubuntu

I've updated A record in a domain config panel, panel shows me updated domain config bu site still is on old hosting. Where can I check all records for domain?
0
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0answers
13 views

dsn server local primairy

I have Ubuntu Server 14.04 installed one one of the computers on my small network (about 32 PCs) I have installed apache2, pureftps, phpmyadmin and ISPconfig3 onto it, with a sous domain of ...
0
votes
2answers
38 views

Blogspot website not opening on Browser

My machine has a 64 bit Ubuntu installed on it. I am trying to access this website from my browser (Chromium as well as Firefox): ...
2
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5answers
3k views

How do I enable DNS caching in the NetworkManager-controlled dnsmasq?

Ubuntu Desktop 12.04 uses dnsmasq to perform DNS lookups, but it is not configured to cache these results. (I have checked this by using dig to resolve names and I do not see a large improvement in ...
1
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1answer
34 views

Trouble Configuring VNC on AWS Ubuntu amd64 (ami-9eaa1cf6) via Win 8 TightVNC

NOTE: At the bottom of this question I've appended some details I've found that I think are clues as to the underlying problem. I started out with a clean instance of Ubuntu 14.04 AMI and took the ...
0
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0answers
33 views

How to auto-discover Linux machines by hostname with Avahi

How do you configure Avahi on Ubuntu to autodiscover Linux hosts on a local network with no central DNS? This question explains installation, and from the manpage I think I need to at least uncomment ...
0
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2answers
40 views

How to change default dns server

I am new to ubuntu. When I use the following command nslookup askubuntu.com it gives following output: Server: 127.0.0.1 Address: 127.0.0.1#53 Non-authoritative answer: Name: askubuntu.com ...
0
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1answer
19 views

DNS resolution stops working on some networks

I am running Kubuntu 14.10 and am having problems with DNS resolution. On my home network there is no problem at all. However, at my college, I usually get about 10 sec of working internet before it ...
8
votes
4answers
21k views

How to view the DNS address assigned by DHCP?

How to view the DNS address assigned by DHCP? ifconfig can not show it. $ ifconfig -a eth0 Link encap:Ethernet HWaddr 90:e6:ba:22:6a:f2 inet addr:192.168.1.111 Bcast:192.168.1.255 ...
1
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1answer
73 views

Ubuntu 14.04 - Connection is there but no internet access - messed resolvconf

Let me start with a disclaimer: I have tried to fix my problem by reading similar questions & answers, but so far no luck. Not only that, but I think that by making some changes to resolvconf I ...
0
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2answers
32 views

Find server address on ubuntu [closed]

How do I find the dns server of my router 192.168.1.1 in a file? I am using Ubuntu 14.04 /etc/resolv.conf Name server is 127.0.0.1
0
votes
0answers
27 views

Restrict Domains By Bind Server

I want to create a DNS server in DigitalOcean Ubuntu server to use it in my local machines to restrict some domains to be reached like Facebook and Twitter. How can I restrict Facebook and Twitter in ...
0
votes
1answer
101 views

Squid error on bind9 start

I'm getting the following error after a bind9 update when I restart bind9 on my 12.04 LTS server: root@server2:/etc/bind# service bind9 restart * Stopping domain name service... bind9 ...
0
votes
1answer
134 views

Local DNS server 127.0.1.1 fails often

This problem happens only at my workplace and only with my laptop, not my colleagues'. The problem is that DNS resolutions fail often. Sites won't open, git pushes won't execute, and i have to ...
0
votes
0answers
64 views

How to configure bind find dnsmasq addresses

My PC server runs Ubuntu 14.10 It runs dnsmasq only for the DHCP services since DNS queries are resolved using bind An entry like dhcp-host=01:02:fa:04:38:7a,192.168.1.113,camera exists for an IP ...
16
votes
2answers
1k views

Route complete TLD (*.dev for example) to 127.0.0.1

For development purposes I want all DNS requests to the .dev TLD to forward to my own PC. The hosts file does not suffice. I use multiple domains and also multiple subdomains. I would have to add a ...
0
votes
0answers
30 views

Unable to ping computer with hostname

I am using Ubuntu 14.10 hostname is myserver. On other computers, avahi-discover shows myserver.local under IPv6 but not under IPv4. If I disable IPv6 in /etc/avahi/avahi-daemon.conf, sometimes I ...
0
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0answers
31 views

no-ip is not updating on Ubuntu 14.04.1 LTS

I'm trying to set up no-ip on Ubuntu 14.04.1 LTS, but when I access no-ip website it can't show that no-ip is updating ip address. Is it necessary to open some port? I installed no-ip from this ...
0
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0answers
15 views

how you setup a static DNS server

How do you setup a Static DNS Server for http hosting on ubuntu server 14.04?
0
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2answers
89 views

DNS Settings on Ubuntu 14.04

I just upgraded on Ubuntu 14.04 because I did some nasty thing and clumsily delete configuration files on my previous Ubuntu 12.04, and now my network is not working properly. The POP server of my ...
0
votes
1answer
90 views

Web Hosting Management Package

I want to host multiple domains on my Ubuntu VM. Is there any package like Lamp to handle DNS, Email, Apache and other needed softwares for a web server? I'm looking for a software like Plesk and ...
0
votes
0answers
12 views

MAAS using wrong NIC address for DNS

Ubuntu 14.04 LTS. with 2 NICS, one 'main' used for MAAS admin and main I/O (http://main.address/MAAS) one dedicated to cluster control only. The cluster controller nic was added after the base ...