root@RoW-dev-server-ubuntu-1gb-sfo2-01:~# apt-get install libicu-dev first
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package first
root@RoW-dev-server-ubuntu-1gb-sfo2-01:~# npm install node-icu-charset-detector

> node-icu-charset-detector@0.2.0 install /root/node_modules/node-icu-charset-de                   tector
> node-gyp rebuild

make: Entering directory '/root/node_modules/node-icu-charset-detector/build'
  CXX(target) Release/obj.target/node-icu-charset-detector/node-icu-charset-dete                   ctor.o
../node-icu-charset-detector.cpp:7:28: fatal error: unicode/ucsdet.h: No such fi                   le or directory
 #include <unicode/ucsdet.h>
                            ^
compilation terminated.
node-icu-charset-detector.target.mk:92: recipe for target 'Release/obj.target/no                   de-icu-charset-detector/node-icu-charset-detector.o' failed
make: *** [Release/obj.target/node-icu-charset-detector/node-icu-charset-detecto                   r.o] Error 1
make: Leaving directory '/root/node_modules/node-icu-charset-detector/build'
gyp ERR! build error
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/local/lib/node_modules/npm/node_                   modules/node-gyp/lib/build.js:276:23)
gyp ERR! stack     at emitTwo (events.js:106:13)
gyp ERR! stack     at ChildProcess.emit (events.js:191:7)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_proces                   s.js:215:12)
gyp ERR! System Linux 4.8.0-30-generic
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_mod                   ules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /root/node_modules/node-icu-charset-detector
gyp ERR! node -v v7.4.0
gyp ERR! node-gyp -v v3.4.0
gyp ERR! not ok
npm WARN discord.js@11.0.0 requires a peer of erlpack@hammerandchisel/erlpack#ma                   ster but none was installed.
npm WARN discord.js@11.0.0 requires a peer of node-opus@^0.2.0 but none was inst                   alled.
npm WARN discord.js@11.0.0 requires a peer of opusscript@^0.0.1 but none was ins                   talled.
npm WARN discord.js@11.0.0 requires a peer of uws@^0.12.0 but none was installed                   .
npm WARN test2@1.0.0 No description
npm WARN test2@1.0.0 No repository field.
npm ERR! Linux 4.8.0-30-generic
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "node-icu-cha                   rset-detector"
npm ERR! node v7.4.0
npm ERR! npm  v4.0.5
npm ERR! code ELIFECYCLE

npm ERR! node-icu-charset-detector@0.2.0 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-icu-charset-detector@0.2.0 install script 'node-gyp                    rebuild'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the node-icu-charset-dete                   ctor package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node-gyp rebuild
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs node-icu-charset-detector
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls node-icu-charset-detector
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /root/npm-debug.log
root@RoW-dev-server-ubuntu-1gb-sfo2-01:~#