You need: DNS hostnames: yes DNS resolution: yes http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/vpc-dns.html share|improve this answer answered Jan 2 '15 at 18:57 Michael - sqlbot 37.1k44875 Looks reasonable, I can't duplicate the error PrintersDatabase Boot Info Script: How to The post above and the post below suffer from the Rashomon effect! If you want your instances to get DNS hostnames, you must also set the enableDnsSupport attribute to true. Folder-by-type or Folder-by-feature What is a real-world metaphor for irrational numbers?
What caused my meringue to fall after adding cocoa? Unless he created a rood account with a password (bad idea) –Dennis Mar 29 '15 at 22:31 3 @Dennis You can still execute sudo even if that message is displayed. sudo doesn't work sudo: unable to resolve host ... –Green Jul 12 at 20:02 add a comment| up vote 0 down vote if you can't sudo you CAN log in as
sudo doesn't work, sir. I don't know but hostname without sudo succeeds. sudo has gone, there is no longer sudo. Unable To Resolve Host Android share|improve this answer answered Jan 15 '15 at 5:15 Erick 6911 1 Welcome to askubuntu!
But it consistantly manifested in openstack. Ubuntu Unable To Resolve Host Address On ubuntu, this is what you need to do (assuming ip-12-34-56-78 is the new hostname): $ sudo hostname ip-12-34-56-78 $ echo 'ip-12-34-56-78' | sudo tee /etc/hostname The first line will set Down vote –Green Jul 12 at 19:59 add a comment| up vote -2 down vote Just change the the host name like your PC in system settings --> details. SOME_DNS is the internal server name so i cannot ssh to it from the outside. –eshalev Jan 2 '15 at 11:46 from outside, you need use public ip –BMW
Something like: echo 'hostname -a' > /etc/hostname in your /etc/rc.local file should set the hostname correctly at each boot. http://serverfault.com/questions/315560/unable-to-resolve-host-error-whenever-running-a-command-with-sudo-on-ubuntu-we enableDnsHostnames Indicates whether the instances launched in the VPC get DNS hostnames. Sudo Unable To Resolve Host Windows 10 Bash Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Sudo: Unable To Resolve Host Bash On Windows It has been set to True already.
Perhaps Amazon have done something to the DNS resolution that breaks this? "sudo: Unable To Resolve Host" "connection Timed Out" In 4/4 time can I insert a half sized bar in the middle of the piece? Word for including by exclusion Interview question "How long will you stay with us?" Bought agency bond (FANNIE MAE 0% 04/08/2027), now what?
share|improve this answer answered Apr 1 '13 at 1:18 Luca D'Amico 386411 Also, see if your device name (printed on the Terminal title bar after the @ sign) matches So you can enter same hostname into the /etc/hostname and /etc/hosts. then give the root password when prompted, then you can edit the files with nano. Windows 10 Bash Unable To Resolve Host I am doing a sudo apt-get update and I still get that error.
Thank you! –clayzermk1 Apr 10 '15 at 17:35 1 This was the answer that helped me. For those of you who are using the AWS EC2 Instances, creating servers on the fly and running remote commands across an array of machines, these messages can prove annoying - In US, is it a good idea to hire a tax consultant for doing taxes? weblink How do I respond when players stray from my prepared material?
On two of our sick servers it looked like this: [email protected](none):~$ cat /etc/hostname linux-web-n ip-10-128-##-## While on a server without this issue we had: [email protected]##-###:~$ cat /etc/hostname ip-10-128-##-### Removed the linux-web-n For example, the DNS Server on a 10.0.0.0/16 network is located at 10.0.0.2. as Lekensteyn said elsewhere you have to enter your password every time). –Wlerin Jul 28 at 19:16 3 If you have this issue on W10's Bash and came to this User contributions on this site are licensed under the Creative Commons Attribution Share Alike 4.0 International License.
eproxus commented Oct 21, 2015 Depends on what you argue the purpose of that module is. What are Iron nuggets and what can they be used for? Re: sudo: unable to resolve host Originally Posted by czaravm i tried to ping ubuntu, but that returned "unknown host ubuntu". How are research assistantships for international graduate students funded in the US?
Now it's solved. Sever-sort an array How are research assistantships for international graduate students funded in the US? share|improve this answer answered Jul 16 '15 at 21:23 Christos Uster 1 And there is another one here who suggest sudo when there is no longer sudo.