For some reason I got this error last night when I tried to run gem install berkshelf
$ gem install berkshelf
ERROR: While executing gem ... (Errno::EHOSTDOWN)
Host is down - sendto(2) for "10.0.1.4" port 53
It is apparently OK today:
$ gem install berkshelf
Fetching: nio4r-1.1.0.gem (100%)
Building native extensions. This could take a while...
Successfully installed nio4r-1.1.0
Fetching: celluloid-io-0.16.2.gem (100%)
Successfully installed celluloid-io-0.16.2
Fetching: addressable-2.3.7.gem (100%)
Successfully installed addressable-2.3.7
Fetching: multipart-post-2.0.0.gem (100%)
Successfully installed multipart-post-2.0.0
Fetching: faraday-0.9.1.gem (100%)
Successfully installed faraday-0.9.1
Fetching: sawyer-0.6.0.gem (100%)
Successfully installed sawyer-0.6.0
Fetching: octokit-3.7.1.gem (100%)
Successfully installed octokit-3.7.1
Fetching: dep-selector-libgecode-1.0.2.gem (100%)
Building native extensions. This could take a while...
Successfully installed dep-selector-libgecode-1.0.2
Fetching: dep_selector-1.0.3.gem (100%)
Building native extensions. This could take a while...
Successfully installed dep_selector-1.0.3
Fetching: semverse-1.2.1.gem (100%)
Successfully installed semverse-1.2.1
Fetching: solve-1.2.1.gem (100%)
Successfully installed solve-1.2.1
Fetching: retryable-2.0.1.gem (100%)
Successfully installed retryable-2.0.1
Fetching: net-http-persistent-2.9.4.gem (100%)
Successfully installed net-http-persistent-2.9.4
Fetching: mixlib-log-1.6.0.gem (100%)
Successfully installed mixlib-log-1.6.0
Fetching: mixlib-authentication-1.3.0.gem (100%)
Successfully installed mixlib-authentication-1.3.0
Fetching: hashie-2.1.2.gem (100%)
Successfully installed hashie-2.1.2
Fetching: buff-ruby_engine-0.1.0.gem (100%)
Successfully installed buff-ruby_engine-0.1.0
Fetching: buff-shell_out-0.2.0.gem (100%)
Successfully installed buff-shell_out-0.2.0
Fetching: buff-ignore-1.1.1.gem (100%)
Successfully installed buff-ignore-1.1.1
Fetching: buff-extensions-1.0.0.gem (100%)
Successfully installed buff-extensions-1.0.0
Fetching: varia_model-0.4.0.gem (100%)
Successfully installed varia_model-0.4.0
Fetching: buff-config-1.0.1.gem (100%)
Successfully installed buff-config-1.0.1
Fetching: ridley-4.1.2.gem (100%)
Successfully installed ridley-4.1.2
Fetching: minitar-0.5.4.gem (100%)
Successfully installed minitar-0.5.4
Fetching: cleanroom-1.0.0.gem (100%)
Successfully installed cleanroom-1.0.0
Fetching: berkshelf-api-client-1.2.1.gem (100%)
Successfully installed berkshelf-api-client-1.2.1
Fetching: berkshelf-3.2.3.gem (100%)
Successfully installed berkshelf-3.2.3
Parsing documentation for nio4r-1.1.0
Installing ri documentation for nio4r-1.1.0
Parsing documentation for celluloid-io-0.16.2
Installing ri documentation for celluloid-io-0.16.2
Parsing documentation for addressable-2.3.7
Installing ri documentation for addressable-2.3.7
invalid options: -SHN
(invalid options are ignored)
Parsing documentation for multipart-post-2.0.0
Installing ri documentation for multipart-post-2.0.0
Parsing documentation for faraday-0.9.1
Installing ri documentation for faraday-0.9.1
Parsing documentation for sawyer-0.6.0
Installing ri documentation for sawyer-0.6.0
Parsing documentation for octokit-3.7.1
Installing ri documentation for octokit-3.7.1
Parsing documentation for dep-selector-libgecode-1.0.2
unable to convert "\xEB" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/changelog.in, skipping
unable to convert "\x8E" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/contribs/qecode/QCOPPlus.cc, skipping
unable to convert "\xFC" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/examples/bin-packing.cpp, skipping
unable to convert "\xEA" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/examples/black-hole.cpp, skipping
unable to convert "\xD6" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/examples/dominating-queens.cpp, skipping
unable to convert "\xEF" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/gecode.m4, skipping
unable to convert "\xED" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/gecode/int.hh, skipping
unable to convert "\xED" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/gecode/int/cumulative.hh, skipping
unable to convert "\xE9" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/gecode/int/distinct.hh, skipping
unable to convert "\xF3" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/gecode/int/gcc.hh, skipping
unable to convert "\xE4" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/gecode/int/sorted.hh, skipping
unable to convert "\xED" from ASCII-8BIT to UTF-8 for ext/libgecode3/vendor/gecode-3.7.3/gecode/int/unary.hh, skipping
unable to convert "\xED" from ASCII-8BIT to UTF-8 for lib/dep-selector-libgecode/vendored-gecode/include/gecode/int.hh, skipping
unable to convert "\xED" from ASCII-8BIT to UTF-8 for lib/dep-selector-libgecode/vendored-gecode/include/gecode/int/cumulative.hh, skipping
unable to convert "\xE9" from ASCII-8BIT to UTF-8 for lib/dep-selector-libgecode/vendored-gecode/include/gecode/int/distinct.hh, skipping
unable to convert "\xF3" from ASCII-8BIT to UTF-8 for lib/dep-selector-libgecode/vendored-gecode/include/gecode/int/gcc.hh, skipping
unable to convert "\xE4" from ASCII-8BIT to UTF-8 for lib/dep-selector-libgecode/vendored-gecode/include/gecode/int/sorted.hh, skipping
unable to convert "\xED" from ASCII-8BIT to UTF-8 for lib/dep-selector-libgecode/vendored-gecode/include/gecode/int/unary.hh, skipping
Installing ri documentation for dep-selector-libgecode-1.0.2
Parsing documentation for dep_selector-1.0.3
Installing ri documentation for dep_selector-1.0.3
Parsing documentation for semverse-1.2.1
Installing ri documentation for semverse-1.2.1
Parsing documentation for solve-1.2.1
Installing ri documentation for solve-1.2.1
Parsing documentation for retryable-2.0.1
Installing ri documentation for retryable-2.0.1
Parsing documentation for net-http-persistent-2.9.4
Installing ri documentation for net-http-persistent-2.9.4
Parsing documentation for mixlib-log-1.6.0
Installing ri documentation for mixlib-log-1.6.0
Parsing documentation for mixlib-authentication-1.3.0
Installing ri documentation for mixlib-authentication-1.3.0
Parsing documentation for hashie-2.1.2
Installing ri documentation for hashie-2.1.2
Parsing documentation for buff-ruby_engine-0.1.0
Installing ri documentation for buff-ruby_engine-0.1.0
Parsing documentation for buff-shell_out-0.2.0
Installing ri documentation for buff-shell_out-0.2.0
Parsing documentation for buff-ignore-1.1.1
Installing ri documentation for buff-ignore-1.1.1
Parsing documentation for buff-extensions-1.0.0
Installing ri documentation for buff-extensions-1.0.0
Parsing documentation for varia_model-0.4.0
Installing ri documentation for varia_model-0.4.0
Parsing documentation for buff-config-1.0.1
Installing ri documentation for buff-config-1.0.1
Parsing documentation for ridley-4.1.2
Installing ri documentation for ridley-4.1.2
Parsing documentation for minitar-0.5.4
Installing ri documentation for minitar-0.5.4
Parsing documentation for cleanroom-1.0.0
Installing ri documentation for cleanroom-1.0.0
Parsing documentation for berkshelf-api-client-1.2.1
Installing ri documentation for berkshelf-api-client-1.2.1
Parsing documentation for berkshelf-3.2.3
Installing ri documentation for berkshelf-3.2.3
Done installing documentation for nio4r, celluloid-io, addressable, multipart-post, faraday, sawyer, octokit, dep-selector-libgecode, dep_selector, semverse, solve, retryable, net-http-persistent, mixlib-log, mixlib-authentication, hashie, buff-ruby_engine, buff-shell_out, buff-ignore, buff-extensions, varia_model, buff-config, ridley, minitar, cleanroom, berkshelf-api-client, berkshelf after 17 seconds
27 gems installed