Tagged Questions
1
vote
0answers
91 views
Setup of DNS zone with secure zone updates
OS: Linux Mint
Can someone please details the steps or point to the right material to achieve the below.
run a dns server with a zone for a local domain?
able to add dynamic entries to the dns zone ...
1
vote
1answer
256 views
Command/scripts to check the Reverse DNS Lookup time
I am working on a project in which one master communicates with numbers of slaves. For that it has to make connection with hosts in network. But sometimes it hangs.
I think that the reason behind is ...
0
votes
2answers
194 views
How to test DNS speed?
I am using google open DNS now.
I want to test it's speed. How can I?
I can ping and see that it gets faster. I need some faster way.
0
votes
1answer
148 views
Opendns setup failed. How to fix it?
I have problems trying to configure OpenDNS. I have contacted OpenDNS support but they did not answer. I cannot access websites like Twitter and Facebook.
I tried welcome.opendns.com (did not ...
9
votes
1answer
430 views
How can I override the /etc/hosts file at user level? [duplicate]
Possible Duplicate:
Can I create a user-specific hosts file to complement /etc/hosts?
In short: I would like to know if it is possible to get a ~/hosts file that could override the ...
0
votes
2answers
235 views
Best way to find out what Linux Version is used on a Webserver
Is this feasible? Can I find out which distro is used to host specific webpages? Whois doesn't have info for this.
4
votes
2answers
709 views
What is resolv.conf and why VPN client's hack it?
As stated in a previous question I want to connect to 2 VPN servers at the same time and for each connection specify the IPs of computers I want to reach with it.
One of this VPN connection is done ...
1
vote
1answer
276 views
Howto use Google DNS with ppp
I have a mobile broadband device that I use to connect to the internet. I wish to use the google dns service, their nameservers being 8.8.8.8 and 8.8.8.4.
I add them to /etc/resolv.conf but when I ...
3
votes
1answer
136 views
How to skip DNS checkup while I'm disconnected from Internet
I use RedHat machine. /etc/resolve.conf was set to nameserver 8.8.8.8 and it works well.
I'm wondering how to connect my machine if it's disconnected from internet? It seems that if DNS of 8.8.8.8 is ...
3
votes
3answers
5k views
Reverse DNS lookups slowing down network operations on LAN
Environment
My LAN setup is quite basic:
A router connected to the ISP's modem and the internet
My development pc directly connected to the router
The router provides DHCP but does not run its ...
2
votes
1answer
3k views
Clearing DNS Cache in Linux
I work on Linux on my laptop, I could not access a particular website using the URL, so I used sudo /etc/init.d/nscd restart in order to clear the DNS cache, but the URL is still throws 'Server Not ...
1
vote
1answer
167 views
resolv.conf + PXE server + kickstart files
I use PXE server in order to download kickstart and to install Linux.
After installation I saw that /etc/resolv.conf was created with the IP of the PXE server.
Why there is PXE server IP address in ...
9
votes
3answers
4k views
What DNS servers am I using?
How can I check which DNS server am I using (in Linux)? I am using network manager and a wired connection to my university's LAN. (I am trying to find out why my domain doesn't get resolved)
6
votes
1answer
8k views
How to read the local DNS cache contents?
I know that on Windows I can issue ipconfig /displaydns and I see the local DNS's cache content.
How can I list the DNS's cache content in Linux?
I would like to get as much as cross-distro solution ...
2
votes
4answers
2k views
How to overcome libc resolver limitation of maximum 3 nameservers?
Suppose I work in environment with number of domain changes and slow propagation.
I want to test domain configuration immediately after setting change but the propagation is slow.
So I want to add ...
2
votes
1answer
445 views
How to configure a catch-all CNAME on Ubuntu Linux using BIND 9
I'm trying to set up APE server on my local system. I'm using Ubuntu and BIND and I need to set up a catch-all CNAME record.
What would be required for this?
30
votes
8answers
29k views
How can I resolve a hostname to an IP address in a Bash script?
What's the most concise way to resolve a hostname to an IP address in a Bash script? I'm using Arch Linux.
1
vote
2answers
399 views
DNSSEC in the root zone? How to use it?
I'm using Fedora for desktop use and I:
yum -y install caching-nameserver
service named restart
chkconfig --level 5 named on
on it, and set the nameserver to 127.0.0.1. If I:
dig google.com | grep ...
2
votes
1answer
727 views
Attempting to update Amazon Route53 using a script, but domain is not being updated
I have several Amazon EC2 instances, running Ubuntu 10.04, with which I'd like to use Amazon's Route53. I setup a script as described in Shlomo Swidler's article, but I'm still missing something.
...
2
votes
5answers
2k views
Why do all my DNS queries resolve to 192.168.1.251?
All my queries on one machine on my network have suddenly started to resolve to 192.168.1.251.
This machine was used as the DNS server by other machines, so I noticed it as soon as it started ...
5
votes
5answers
7k views
dns queries not using nscd for caching
I'm trying to use nscd (Nameservices Cache Daemon) to cache dns locally so I can stop using bind to do it. I've gotten it started and ntpd seems to attempt to use it. But everything else for hosts ...
