sudo unable to resolve host ubuntu 12.04

#SUDO UNABLE TO RESOLVE HOST UBUNTU 12.04 UPDATE#
#SUDO UNABLE TO RESOLVE HOST UBUNTU 12.04 UPGRADE#

Kubernetes Ubuntu Java Linux now i can ssh from outside and. For more information, see interfaces(5).ĭns-search . Could not open connection to the host, on port 8080 : connection refused Most. and /etc/network/interfaces, which is the source for nf in 12.04: # This file describes the network interfaces available on your system # `info libc 'Name Service Switch'' for information about this file. # If you have the `glibc-doc-reference' and `info' packages installed, try: # Example configuration of GNU Name Service Switch functionality. so that the chroot system picks up the host system's DNS settings or, once you're in the chrooted system, temporarily create a static /etc/nf with nameserver (s) of your choice. # DO NOT EDIT THIS FILE BY HAND - YOUR CHANGES WILL BE OVERWRITTEN You can either add a bind mount to the /run filesystem along with your other bind mounts before executing the chroot command. etc/nf, I transformed the domain names consistently: # Dynamic nf(5) file for glibc resolver(3) generated by resolvconf(8) Ha a csomagkezelt el akarom indtani grafikus felleten, akkor is kri a rendszergazda jelszavt, s el is fogadja, nincs akadla a tovbblpsnek, csak terminlban jelentkeznek ezek a. But when I try pinging, it responds fine (but only if it has been pointed to a IP address). When I run any sudo command, it says sudo: unable to resolve host (none) If I try Firefox, nothing happens. When I go to terminal in says: user (none). It just acts like it has lost Internet connection. The information asked for in the comment: $ grep host /etc/nf azt hogy 'sudo apt-get update', erre a vlasza: 'Unable to reselved host elhasznl' Innentl kezdve nem tudok tovbb lpni. My Ubuntu 12.04 LTS lost Internet connection. A DNS caching daemon isn't installed, so I reckon that shouldn't have been a problem anyway. Meanwhile I rebooted the client machine (10.04) and the problem still exists.

The question is purely about why name resolution isn't consistent between those two programs.Īnother note: the command works fine when I enter the fully-qualified domain name, i.e. The package openssh-server is configured on the target machine. Note: /etc/hosts doesn't declare the name pangolin at all. How can this be? I was always of the impression that the name resolution rules in nf apply system-global. However, with the SSH client ssh I receive the error reproduced above. is on the search line in /etc/nf and using host the name is properly searched given those rules.

#SUDO UNABLE TO RESOLVE HOST UBUNTU 12.04 UPDATE#

Ssh: Could not resolve hostname pangolin: Name or service not known With some help from this forum I was able to get an update through a terminal window. Strangely enough the rules in nf seem to take effect only selectively, which leaves me puzzled. See 1 in particular for additional help, including a script to quickly turn on/off the proxies.I'm trying to connect from a 10.04 system to a 12.04 system via SSH. So separately configure them create a file called 95proxies in /etc/apt//, and include the following:įinally, logout and reboot to make sure the changes take effect. will not obey the environment variables when used normally with sudo.

#SUDO UNABLE TO RESOLVE HOST UBUNTU 12.04 UPGRADE#

You must duplicate in both upper-case and lower-case because (unfortunately) some programs only look for one or the other: Ive run: sudo apt-get update sudo apt-get upgrade Ive added the following to /etc/hosts: 127.0.0. This file stores the system-wide variables initialized upon boot.Īdd the following lines, modifying appropriately. Open the /etc/environment file with vi (or your favorite editor).Step 4: Next, enter the new DNS server addresses in the ‘DNS. Step 3: Then select ‘IPv4 Settings’ and choose ‘Automatic (DHCP) addresses only’. Step 2: Next, select your default Network Interface (eth0) and click ‘Edit’. System-wide proxies in CLI Ubuntu/Server must be set as environment variables. The solution to this problem goes as follows: Step 1: Go to System > Preferences > Network Connections.

Sudo unable to resolve host ubuntu 12.04