Why not set pngquant? What's wrong?

Question

JavaScript

Here it is in the console.
Somehow it was installed before ... but now no ,
tell
me [email protected]:~/PROGRAMMING/psite$ sudo npm install --save-dev imagemin-pngquant
npm WARN package.json [email protected] No description
npm WARN package.json [email protected] No repository field.
npm WARN package.json [email protected] No README data
npm ERR! EEXIST, open '/home/alexandr/.npm/03df4eb5-andr-npm-vinyl-0-4-6-package-tgz.lock'
File exists: /home/alexandr/.npm/03df4eb5-andr-npm-vinyl -0-4-6-package-tgz.lock
Move it away, and try again.
npm ERR! System Linux 3.16.0-41-generic
npm ERR! command "/usr/bin/node" "/usr/bin/npm" "install" "--save-dev" "imagemin-pngquant"
npm ERR! cwd /home/alexandr/PROGRAMMING/psite
npm ERR! node -v v0.10.38
npm ERR! npm -v 1.4.28
npm ERR! path /home/alexandr/.npm/03df4eb5-andr-npm-vinyl-0-4-6-package-tgz.lock
npm ERR! code EEXIST
npm ERR! errno 47
npm ERR! not ok code 0

Answer 1

Have you tried to read the error and do what is asked there?

npm ERR! EEXIST, open '/home/alexandr/.npm/03df4eb5-andr-npm-vinyl-0-4-6-package-tgz.lock'
File exists: /home/alexandr/.npm/03df4eb5-andr-npm-vinyl-0-4-6-package-tgz.lock
Move it away, and try again.