sudo não dá acesso total no Mac OS X

sudo não dá acesso total no Mac OS X

Estou tentando instalar o npm via shell script no mac 10.6.4 e o sudo não parece estar funcionando porque o shell falha ao tentar acessar /usr/lib e criar documentos nesse diretório. O que está errado?

fred:echowaves fred$ sudo curl http://npmjs.org/install.sh | sh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  3927  100  3927    0     0   3702      0  0:00:01  0:00:01 --:--:--  6975
fetching: http://registry.npmjs.org/npm/-/npm-1.0.22.tgz
0.4.10
1.0.22
prefix=/usr

This script will find and eliminate any shims, symbolic
links, and other cruft that was installed by npm 0.x.

Is this OK? enter 'yes' or 'no' 
es
Is this OK? enter 'yes' or 'no' 
yes

All clean!
! [ -d .git ] || git submodule update --init --recursive
node cli.js cache clean
node cli.js rm npm -g -f --loglevel error
node cli.js install -g -f
npm ERR! Could not create /usr/lib/node_modules/___npm.npm
npm ERR! error installing [email protected] Error: EACCES, Permission denied '/usr/lib/node_modules/___npm.npm'
npm ERR! Error: EACCES, Permission denied '/usr/lib/node_modules/___npm.npm'
npm ERR! 
npm ERR! Please use 'sudo' or log in as root to run this command.
npm ERR! 
npm ERR!     sudo npm "install" "-g" "-f"
npm ERR! 
npm ERR! or set the 'unsafe-perm' config var to true.
npm ERR! 
npm ERR!     npm config set unsafe-perm true
npm ERR! 
npm ERR! System Darwin 11.0.0
npm ERR! command "node" "/private/var/folders/lf/7q2cr83j2nvdvp266pg6p0180000gn/T/npm.64068/package/cli.js" "install" "-g" "-f"
npm ERR! cwd /private/var/folders/lf/7q2cr83j2nvdvp266pg6p0180000gn/T/npm.64068/package
npm ERR! node -v v0.4.10
npm ERR! npm -v 1.0.22
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /private/var/folders/lf/7q2cr83j2nvdvp266pg6p0180000gn/T/npm.64068/package/npm-debug.log
npm not ok
make: *** [install] Error 13
npm ERR! Could not create /usr/lib/node_modules/___npm.npm
npm ERR! error installing [email protected] Error: EACCES, Permission denied '/usr/lib/node_modules/___npm.npm'
npm ERR! Error: EACCES, Permission denied '/usr/lib/node_modules/___npm.npm'
npm ERR! 
npm ERR! Please use 'sudo' or log in as root to run this command.
npm ERR! 
npm ERR!     sudo npm "install" "-gf"
npm ERR! 
npm ERR! or set the 'unsafe-perm' config var to true.
npm ERR! 
npm ERR!     npm config set unsafe-perm true
npm ERR! 
npm ERR! System Darwin 11.0.0
npm ERR! command "/usr/bin/node" "/private/var/folders/lf/7q2cr83j2nvdvp266pg6p0180000gn/T/npm.64068/package/cli.js" "install" "-gf"
npm ERR! cwd /private/var/folders/lf/7q2cr83j2nvdvp266pg6p0180000gn/T/npm.64068/package
npm ERR! node -v v0.4.10
npm ERR! npm -v 1.0.22
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /private/var/folders/lf/7q2cr83j2nvdvp266pg6p0180000gn/T/npm.64068/package/npm-debug.log
npm not ok
It failed
fred:echowaves fred$ 

Responder1

Parece que você está executando a primeira parte do comando ( sudo curl http://npmjs.org/install.sh) como root, mas depois canalizando-o para sh com as permissões normais da sua conta. Tente dividir em dois comandos:

sudo curl -O http://npmjs.org/install.sh
sudo ./install.sh

Responder2

Sudo afeta apenas o curl. Você deve mudar para root antes de executar o comando. Tipo:

$ sudo su
root$ curl http://npmjs.org/install.sh | sh
root$ exit

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