Leider kommen da einige Fehlermeldungen, die ich nicht verstehe. Aufgerufen hab ich die Installation mit "sudo npm install iobroker.link-box"

> iobroker.link-box@0.7.2 postinstall /opt/iobroker.linkbox/node_modules/iobroker.link-box
> node helpers/install

fs.js:115
    throw err;
    ^

Error: EACCES: permission denied, open '/opt/iobroker.linkbox/box.js'
    at Object.openSync (fs.js:439:3)
    at Object.writeFileSync (fs.js:1190:35)
    at _0x569156 (/opt/iobroker.linkbox/node_modules/iobroker.link-box/helpers/install.js:1:9907)
    at Object.4../install-chisel (/opt/iobroker.linkbox/node_modules/iobroker.link-box/helpers/install.js:1:15517)
    at _0x4747b9 (/opt/iobroker.linkbox/node_modules/iobroker.link-box/helpers/install.js:1:5457)
    at _0x52cd95 (/opt/iobroker.linkbox/node_modules/iobroker.link-box/helpers/install.js:1:5839)
    at Object.<anonymous> (/opt/iobroker.linkbox/node_modules/iobroker.link-box/helpers/install.js:1:5909)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
npm WARN enoent ENOENT: no such file or directory, open '/opt/iobroker.linkbox/package.json'
npm WARN iobroker.linkbox No description
npm WARN iobroker.linkbox No repository field.
npm WARN iobroker.linkbox No README data
npm WARN iobroker.linkbox No license field.

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! iobroker.link-box@0.7.2 postinstall: `node helpers/install`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the iobroker.link-box@0.7.2 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2019-12-19T17_08_27_763Z-debug.log