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The problem turned out to be missing relevant entries in the /etc/nsswitch configuration file. While resolving hostnames to IP address, the GNU C library libc uses this file to get the sources and the order in which will be queried. The database name of /etc/nsswitch.conf involved here is hosts. There are also many other databases understood by libc e.g. ...


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Not all routers "reflect" requests from the LAN back in through the port forwarding mechanism, and some of those that do it require you to set an option to choose it. Telling us the type of router might help you get a more specific answer, but in any case, you can look in your router config for that type of option. The other way of handling it is to add a ...


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It's probably going to be easiest to use the Add Network function in System Settings. There's a screen that has the option for setting a Proxy. I believe it's System Settings --> Network --> Proxy


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The problem was that all of our on-network servers are named *.local and this is inherently incompatible with Avahi. More reading. The solution I used was to edit /etc/nsswitch.conf and change the following line: hosts: files mdns4_minimal [NOTFOUND=return] dns To: hosts: files dns mdns4_minimal [NOTFOUND=return]


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The way I do this is to set supersede domain-name-servers in /etc/dhcp/dhclient.conf. I've tried variety of options, including head or tail files, under /etc/resolvconf/resolv.conf.d/ folder, but only dhclient.conf does the trick for me. I've done it in 13.04, 14.04, and 15.04 versions of Ubuntu – always works. Basic idea is that when you connect to a wifi ...


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You don't happen to be behind a Technicolor router? https://community.plus.net/forum/index.php/topic,134916.msg1181609.html#msg1181609 The 582n has a "DNS spoof list" which is its way of caching DNS failures, by converting them into 198.18 addresses. Madness, but I've just seen it on my own connection. These are reserved addresses: NetRange: ...


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Internet domains are given and maintained by so-called registrars, like neustar.us, the owner of the .us top level domain. They can lease domains using their TLD to end customers or outsource that to other companies. E.g. the swiss registrar, SWITCH, owner of .ch and .li, has stopped to give domains to private customers, which is now done by their hosters. ...



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