npm install error

mape@dunderklumpen:~$ sudo npm install connect@latest
[sudo] password for mape: 
npm it worked if it ends with ok
npm sudo true
npm configfile /home/mape/.npmrc
npm cli [ 'install', 'connect@latest' ]
npm version 0.1.16
npm install pkg connect@latest
npm fetch data connect
npm GET connect
npm install pkg connect@latest
npm install pkg [email protected]
npm readJson /home/mape/.node_libraries/.npm/.cache/connect/0.0.2/package.json
npm GET connect/0.0.2
npm fetch http://registry.npmjs.org/connect/-/connect-0.0.2.tgz to /home/mape/.node_libraries/.npm/.cache/connect/0.0.2/package.tgz
npm content-length unknown
npm fetch finished
npm bytes 407992
npm exec tar "xzf" "/home/mape/.node_libraries/.npm/.cache/connect/0.0.2/package.tgz" "--strip" "1" "-C" "/home/mape/.node_libraries/.npm/.cache/connect/0.0.2/package"
npm readJson /home/mape/.node_libraries/.npm/.cache/connect/0.0.2/package/package.json
npm buildAll About to unpack
npm unpack [ 'connect', '0.0.2' ]
npm exec tar "xzf" "/home/mape/.node_libraries/.npm/.cache/connect/0.0.2/package.tgz" "--strip" "1" "-C" "/home/mape/.node_libraries/.npm/connect/0.0.2/package"
npm build /home/mape/.node_libraries/.npm/connect/0.0.2/package
npm readJson /home/mape/.node_libraries/.npm/connect/0.0.2/package/package.json
npm linkMain connect-0.0.2
npm linkLib connect-0.0.2
npm linkBins connect-0.0.2
npm linkBin connect ./bin/connect
npm linkBins succeeded
npm activate connect 0.0.2
npm deactivate nothing to do
npm readJson /home/mape/.node_libraries/.npm/connect/0.0.2/package/package.json
npm lifecycle connect-0.0.2 activate
npm exec make "install-docs"
ronn -r docs/api.md > docs/api.1
/bin/sh: ronn: command not found
make: *** [docs/api.1] Error 127

npm ! Error: `make` failed with 2
    at ChildProcess.<anonymous> (/home/mape/.node_libraries/.npm/npm/0.1.16-LINK-8ff61715/package/lib/utils/exec.js:31:18)
    at ChildProcess.emit (events:32:26)
    at ChildProcess.onexit (child_process:128:12)
    at node.js:221:9

npm failure try running: 'npm help install'
npm failure Report this *entire* log at <http://github.com/isaacs/npm/issues>
npm failure or email it to <[email protected]>
mape@dunderklumpen:~$ 
mape@dunderklumpen:~$ sudo npm install connect@latest > log.txt
npm it worked if it ends with ok
npm sudo true
npm configfile /home/mape/.npmrc
npm cli [ 'install', 'connect@latest' ]
npm version 0.1.16
npm install pkg connect@latest
npm fetch data connect
npm GET connect
npm install pkg connect@latest
npm install pkg [email protected]
npm install Nothing to install
npm ok