Site not accessible after a "./nodebb upgrade"

[finid]

After a forever stop, git pull, ./nodebb upgrade and restarting, I can no longer access the site.

Here's the console output after running ./nodebb upgrade:

npm WARN package.json [email protected] No repository field.
npm WARN package.json [email protected] No repository field.
npm WARN package.json [email protected] No repository field.
npm WARN package.json [email protected] No repository field.
npm http GET https://registry.npmjs.org/bcryptjs
npm http 200 https://registry.npmjs.org/bcryptjs
npm http GET https://registry.npmjs.org/bcryptjs/-/bcryptjs-0.7.10.tgz
npm http 200 https://registry.npmjs.org/bcryptjs/-/bcryptjs-0.7.10.tgz

> [email protected] install /var/www/public_html/forum/node_modules/bcrypt
> node-gyp rebuild

gyp ERR! clean error 
gyp ERR! stack Error: EACCES, unlink 'build'
gyp ERR! System Linux 3.11.0-15-generic
gyp ERR! command "node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /var/www/public_html/forum/node_modules/bcrypt
gyp ERR! node -v v0.10.25
gyp ERR! node-gyp -v v0.12.2
gyp ERR! not ok 

npm ERR! [email protected] install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the [email protected] install script.
npm ERR! This is most likely a problem with the bcrypt package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node-gyp rebuild
npm ERR! You can get their info via:
npm ERR!     npm owner ls bcrypt
npm ERR! There is likely additional logging output above.
npm ERR! System Linux 3.11.0-15-generic
npm ERR! command "/usr/bin/node" "/usr/bin/npm" "install"
npm ERR! cwd /var/www/public_html/forum
npm ERR! node -v v0.10.25
npm ERR! npm -v 1.3.24
npm ERR! code ELIFECYCLE
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /var/www/public_html/forum/npm-debug.log
npm ERR! not ok code 0

Any clues?

[julian]

@baris recommends deleting your node_modules and running npm install again...

[finid]

@julian

What did I do wrong then?

[julian]

Assuming that resolved the problem?

Your system doesn't seem to like bcrypt (We've already removed that package in favour of bcryptjs, so it shouldn't cause any more issues... I hope)

[finid]

@julian

About to give it a try, but that means losing modifications made to the theme. I know I'll have to back it up, but...

[julian]

Yeah, back up your changes and see what happens if you re-generate node_modules. Good first step is to restore everything back to vanilla NodeBB

[finid]

@julian

Does it end with npm install or do I have to run another command after that?

[julian]

npm install should be enough... all you're doing is restoring the dependencies... npm install your various other plugins as well, of course.

[finid]

@julian

Ok, so I did not lose any data except for modifications to footer.tpl and header.tpl of the Lavender theme

[julian]

@planner Glad it worked out okay