Resolving host

Hi, my internet is generaly slow and often stops and shows the message resolving host. any ideas how to fix it or why it happens?

Hi Sid40,
Welcome and thanks for posting. I'll be happy to help with this. Can you give us some more information? How are you connected? Wired or wireless? Which hub do you have? Can you run the speed test, including the further diagnostics and post the results. I'm sure we can help.
Cheers
David
BTCare Community Mod
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Slapd can't resolve host, during kerberization

I've been trying to set up our OD/AD for ever with mixed success. I think I've worked out the last bugs in our odd setup but I'm stuck on one strange issue.
I've been backing out of AD bind and OD Master to Standalone Server to remove all the dir settings. Iv'e also cleaned out everything related to Directory services. I've removed the approiate files in /Library/Preferences and /var/db/
Right now, when I try to set up the server as a OD Master, It seems to go fine but the KDC doesn't start up. I get the "Kerberize" button. When I hit "Kerberize", I get he log in and it fails (login keeps reappearing).
When I check slapd's log, It claims it can't resolve my server's hostname and slapdconf -kerberise fails as a result.
I don't get it.
The hostname is set Properly:
I've set my hostname in Sys Prefs -> Sharing. I've even set it manually in /etc/hostconfig
If I "echo $HOSTNAME" I get the proper hostname. If I "hostname" I get the proper hostname.
The slapd logs report the proper hostname in the error.
DNS appears fine:
I can 'nslookup hostname' and it resolves to IP. I can 'nslookup FQDN' and it resolves fine. I've even entered the IP and hostname into /etc/hosts.
One thing is odd. If I 'dig hostname' I get the hostname back with a period. Dig doesn't seem able to resolve just a hostname. Output looks like this:
Chimp:~ sbandyk$ dig psd-directory.uchicago.edu
<< cut some junk, SB >>
;; QUESTION SECTION:
;psd-directory.uchicago.edu. IN A
;; ANSWER SECTION:
psd-directory.uchicago.edu. 169942 IN A 128.135.136.55
BUT.......
Chimp:~ sbandyk$ dig psd-directory
<< cut some junk, SB >>
;; QUESTION SECTION:
;psd-directory. IN A
I don't get an answer section. I see the same thing on other linux systems in our network (same DNS). Is there any reason why dig isn't returning info on just a hostname? It doesn't seem to use my search domains.
Is this another symptom of a DNS problem that is screwing up my Kerberos krb5kdc setup?
Is there some common issue with slapd and resolving hosts?
thanks,
Steven

I've been trying to set up our OD/AD for ever with
mixed success. I think I've worked out the last bugs
in our odd setup but I'm stuck on one strange issue.
I've been backing out of AD bind and OD Master to
Standalone Server to remove all the dir settings.
Iv'e also cleaned out everything related to
Directory services. I've removed the approiate
files in /Library/Preferences and /var/db/
Best to remove /etc/krb5.keytab too!
Is there any reason why dig isn't returning info on just a hostname?
It doesn't seem to use my search domains.
Thats just the way dig works. It wants FQDN and doesn't use your search domain.
Is this another symptom of a DNS problem that is
screwing up my Kerberos krb5kdc setup?
No.
Is there some common issue with slapd and resolving
hosts?
You seem to be able to resolve name -> ip. But the opposite is necessary too: ip -> name !
So when issuing:
$ host IP_ADDRESS
it should come up with you FQDN.
HTH
-Ralph

"couldn't resolve host name" error message

I have a new Z30 with the latest OS update installed and can’t connect to several Wi-Fi locations because of error message ‘couldn’t resolve host name’. Is there a fix to this as it seems to be an issue with BB and no other type of devices?

Assuming you're connecting via wifi, this would suggest your wifi connection is failing somewhere along the way.
Occasionally, my PB's wifi icon shows green and looks like it's working, but if I turn the PB wifi off and back on, it usually fixes the problem. You could also try rebooting the PB if resetting the wifi doesnt work.
If these things don't correct the problem, then check your wifi router (reboot it if necessary) and maybe check your internet connection with another device, ie home computer or whatever to make sure you're not having service issues.

All my browsers hang at the point of "resolving host"

Any browser hangs at the click on a new site, always at "resolving host." The whole system slows down and pages are inaccessible.

From the menu bar, select
 ▹ System Preferences... ▹ Network ▹ Advanced... ▹ DNS
Under DNS Servers you should have one or more numerical addresses, such as “192.168.1.1” or “10.0.0.1”. What are those addresses?

Resolving host error on OSX Yosemite 10.10.1

Hi,
I have been facing resolving host error in chrome every 5 minutes for last few weeks. I have tried changing the DNS to 8.8.4.4 etc with no promising results. The issue is faced by mac only as all the other devices seem to connect to the internet just fine. The parental controls are off so even that is not an issue. Any help is appreciated.
Specs:
MacBook Air (13-inch, Mid 2013)
Processor: 1.3 GHz Intel Core i5
Memory: 4 GB 1600 MHz DDR3

Bah!!! I have only just experienced this issue (along with a billion other issues in Pages, but I'll leave that for another day!).
Thank you to all the great suggestions here, which didn't quite work, but led me to something that did.
I tried this and it didn't quite work:
"Hi! There seems to be a workaround for this (I've had this problem too, you'd think Apple'd sort it out?!?!)
At the top of your Pages document is the name of your document. Hover your mouse over this briefly and a drop down arrow will appear. From here you can name the document, give it a Tag and choose the save destination. Click this drop down arrow, and select your save destination from another drop down that will apear. After you have clicked on your selected save destination, click away from the drop down. Then, simply save (Cmd+S OR navigate to file>save) and it will have saved for you!"
But this worked for me:
I clicked on the drop down arrow, like suggested above, and changed the document name. Then I clicked on the 'Where' drop down menu and went right down the list and clicked on the 'other...' choice right at the bottom of the list. I chose a different location and then clicked 'Move'
For some unknown reason this worked for me where the other suggestion didn't quite work.
I've had to find so many work arounds like this in Pages recently, which you shouldn't have to do!
The only reason why I am persisting with pages is it save my clickable links when exported to PDF, where the Word program doesn't.
I hope these issues get sorted before I thrown the computer out the window due to pure frustration!

Could not resolve host (nil); Unknown error

Trying to install arch linux into virtualbox...
I got it to boot and everything, got my internet set up (I think), installed virtualbox guest stuff, and then had to reboot.
I try to do sudo pacman -S xorg-twm xorg-xclock xterm so that I can test X before installing a desktop enveiroment..
It then asks me for my password, the Y/N thing, etc.
And then I get a whole bunch of lines saying "error: failed retrieving file [filename] from [somewhere] : could not resolve host (nil); Unknown error"
And after that it says error: failed to commit transactions (download library error)
I follow this guide (http://wideaperture.net/blog/?p=3851), I am currently right above step 17.
Anyone knows what to do? I'm installing Arch Linux for the first time so I'm a total newbie.

Type journalctl with sudo, then push the end key to go at the last messages.
The guide you followed said :
sudo systemctl enable [email protected]
But with rescent archlinux changes, as you said with the result of 'ip addr', the base name of ethernet device has changed to enp0s3, maybe that's why you don't have the network. First disable the previous command :
sudo systemctl disable [email protected]
Then enable with the right name
sudo systemctl enable [email protected]
Either way, paste here the logs of journalctl (just type if you see some errors) after doing a
sudo systemctl restart dhcpcd
We never know, but have you checked your ethernet cable is plugged in?
For the screenshots, when I'm in virtualbox and do left ctrl+e, a window pop up to save the .png...

Constant wi-fi interruption, "resolving host"

Especially since the upgrade to Mavericks, an ongoing wi-fi connection is lost and the "resolving host" message appears when I attempt to refresh the page. I am still connected to my wi-fi but unable to upload/download any pages. It appears that this happens more often when many of the neighbors are connected to their wi-fi connections. It's almost like the number of local hot spots confuses my iMac.
Any insights or fixes would be appreciated as this is driving me mad.
Thanks.

Hey BrianC9,
Thanks for the question. I understand you are experiencing issues with Wi-Fi connectivity on your iMac. The following resource may provide a solution:
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/HT4628
It sounds like the connection to the Wi-Fi network is fine, but the actual internet connection drops. You might want to try power-cycling your modem (if applicable), along with your Wi-Fi router.
Thanks,
Matt M.

Constant Resolving Host Issues

I have had a good service until recently but now Constant Resolving Host Issues. Pages slow to load making it difficult to use.
HH3 Software version 4.7.5.1.83.8.94.1.37 (Type A)
I have factory reset hub and tried opendns and Google DNS.
Can anyone help?
Keith

Hi cookiesandjava
Sounds stange I'll be happy to have a look over your connection stats and see if there is anything out of place.
Could you drop me in an email please? Use the 'contact us' form in my forum profile under the 'about me' section. You can find it by clicking on my username.
Thx
Craig
BTCare Community Mod
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If someone answers your question correctly please let other members know by clicking on ’Mark as Accepted Solution’.

Resolving host difficulties

Greetings. I just upgraded from phone internet to phone internet and broadband. While the installer was here, I askied him about the xfinity router "resolving host" issues when folling imbedded links, etcetera. He said it was my computer: but when accessing by wireless, the same thing is happenning. Frankly, it is more "dial up' speed, than broadband. I've reset the router, and etc ad nauseum. I would like to know exactly how the router should be configured, so i can try to get it working properly. Thank you. david

Well, here I am, keeping this thread open so that i can get great answers. Why i even got a nice note from Kommie- cast statring that I had received responses from my original question, did I like any of them? Of course, it was just synthetic friendliness arising from a computer.. as I'm the only one who has done anything here.. OK so1. the computer internet service guy was nice, but was of no help. I have gone todubya dubya dubya dot .webnots dot com forward slant /correct-chrome-resolving-host-issue/and followed their advice about things to do. so far, it seems to work,uh,thanks everybody for your assistance: and thanks to comcast as well.================ Oh! I was a BAD BOY!(see below) so I'll change the address of WHAT HELPED!! (above) ===================== BodyThis is a public forum. Please do not post personal information such as name, phone #, email/physical address or account number You used a bad word, Kommie cast, in the body of your post. Please clean up the body before posting.

Resolving host message

I've had BT Infinity for a month now and it's mostly fine, but every now and then the connection dies and a message of "resolving host" appears in the bottom left of my internet browser. It usually only lasts a minute or two and then I just refresh and it works fine again. This is on my desktop computer which is an iMac.
But the weird thing is that when this happens, if I go on my phone - which is connected to the same BT Hub - the internet works fine.
So why would this issue only happen on my desktop computer? Both my iMac and iPhone are connected wirelessly to the same hub. Has anyone else come across this issue? It never happened with my previous internet provider so it can't be a fault with the computer.

Its probably wireless interference.
Try changing the wireless channel on the home hub, there is a choice of 13 channels.
If its a HH5, make sure that smart setup and smart wireless are disabled.
On the iMac, network connections, disable IPv6, as that can cause DNS problems.
There are some useful help pages here, for BT Broadband customers only, on my personal website.
BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.

Resolving Host & waiting for website issues

Have had infinity now for 8 months or so and ever since upgrading I have trouble connecting to websites with either 'resolving host' or 'waiting for web site' listed in bottom left corner. One of the worst sites this happens on is in fact BT.com! At times sites don't even load at all or correctly.
I have checked down/upload speeds and they seem to be fine most of the time at around 75/17MB per second. Today however this has dropped to 41/17MB.
Can anyone advise what I need to do/update.
Many thanks in advance

Try changing your DNS servers to OpenDNS on your PC network connectoid
See here for instructions https://use.opendns.com/
If you found this post helpful, please click on the star on the left
If not, I'll try again

Catalog backup getting Error resolving host - unknown host name in dataset

I have new install of OSB version 10.3.0.1.0 [Admin, Mediaserver, Client] installed on the same OEL server. My Catalog Backup jobs end up with error " unknown host name in dataset" and the job detail shows only "Error resolving host - unknown host name in dataset" while I can ping the admin host with obtool pingh command. The standard auto created Catalog backup dataset looks like this:
Dataset: OSB-CATALOG-DS
# Dataset for backing up the OSB Catalog on this administrative host
include catalog
I am able to create a separate dataset with the hostname defined and able to backup filesystems on the same host, np . Only the catalog backup from system generated dataset and schedule doesn't run. I appreciate any help or tip to make this catalog backup work. Thanks.

This problem is fixed by just restarting observiced on admin server.

Unable to resolve host - help please!

Can't connect to Internet using chrome or safari. In chrome just says unable to connect to internet and unable to resolve host. Wifi and network connections are fine and working for other devices - just the iMac which is the problem. any suggestions please?

OS/Networking is mis-configured.
Oracle is the victim; not the culprit.

I need help getting my web HP OS working. cant download? says unable to resolve host?

Help cant download. Says unable to resolve host?

Hey @jemh ,
I would be happy to assist if needed as there are many models of HP I would need the model number. How Do I Find My Model Number or Product Number?
Please respond with which Operating System you are running:
Which Windows Operating System am I running?
The HP Support Assistant will help you install software and drivers that were originally installed on the Notebook.
Please let me know.
Thanks.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom to say “Thanks” for helping!

Problem resolving hosts

My network connection started up fine after install, but when browsing web pages, it takes a really long time to resolve hostnames. For example, when I clicked on the link to this forum from the arch homepage, it took over 37 seconds to resolve the hostname. Once the hostname is resolved, everything goes wicked quick, just like it did for me when I had Mandrake installed and just like my XP computer does in the other room. Does anyone have any suggestion of how to fix this problem? I don't even know where to start.
Here's the networking portion of my rc.conf. Everything seems kosher to me, I just need some help getting it to resolve hosts better. Thanks.
# Networking
HOSTNAME="localhost"
# Module to load at boot-up (in this order)
# (prefix a module with a ! to disable it)
MODULES=(!usbserial !ide-scsi eepro100)
# Interfaces to start at boot-up (in this order)
# Declare each interface then list in INTERFACES
# (prefix an interface in INTERFACES with a ! to disable it)
# Note: to use DHCP, set your interface to be "dhcp" (eth0="dhcp")
lo="lo 127.0.0.1"
eth0="dhcp"
INTERFACES=(lo eth0)
# Routes to start at boot-up (in this order)
# Declare each route then list in ROUTES
# (prefix a route in ROUTES with a ! to disable it)
gateway="default gw 192.168.1.1"
ROUTES=(!gateway)

Actually, I had been having the exact same problem recently... my solution was to unplug, wait 5 minutes, and then plug back in my DSL modem. This fixed the problem immediately.
This solution may not be applicable to you, but it is something to try.

Resolving host

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