Slim Application Error - installation of Shopware 6 on local computer

Ok, thank! I will try it.

I tried the first version, Ubuntu on VirtualBox and then Shopware 6 installation.

Everuthing went ok up to the end of installation where there where some errors  and the installtation stopped.

Here is the log from terminal where errors started

 gyp ERR! configure error
        gyp ERR! stack Error: EACCES: permission denied, mkdir '/var/www/html/sw6/vendor/shopware/platform/src/Storefront/Resources/node_modules/node-sass/build'
        gyp ERR! System Linux 4.15.0-60-generic
        gyp ERR! command "/usr/bin/node" "/var/www/html/sw6/vendor/shopware/platform/src/Storefront/Resources/node_modules/node-gyp/bin/node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
        gyp ERR! cwd /var/www/html/sw6/vendor/shopware/platform/src/Storefront/Resources/node_modules/node-sass
        gyp ERR! node -v v8.10.0
        gyp ERR! node-gyp -v v3.8.0
        gyp ERR! not ok
        Build failed with error code: 1
        npm ERR! code ELIFECYCLE
        npm ERR! errno 1
        npm ERR! node-sass@4.12.0 postinstall: `node scripts/build.js`
        npm ERR! Exit status 1
        npm ERR!
        npm ERR! Failed at the node-sass@4.12.0 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! /home/anatol/.npm/_logs/2019-09-02T18_40_37_816Z-debug.log

Execution aborted, a subcommand failed!

I followed precisely the instucion https://docs.shopware.com/en/shopware-6-en/tutorials-and-faq/virtual-box-setup?_ga=2.176919781.1779112066.1567410322-794630202.1567146750