= Troubleshooting =

En cas de problème de ce type:
```
root@lions-peertube:~# npm 
/usr/lib/node_modules/npm/lib/cli.js:35
    throw err
    ^

TypeError: Class extends value undefined is not a constructor or null
    at Object.<anonymous> (/usr/lib/node_modules/npm/node_modules/fs-minipass/lib/index.js:136:4)
    at Module._compile (node:internal/modules/cjs/loader:1257:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1311:10)
    at Module.load (node:internal/modules/cjs/loader:1115:32)
    at Module._load (node:internal/modules/cjs/loader:962:12)
    at Module.require (node:internal/modules/cjs/loader:1139:19)
    at require (node:internal/modules/helpers:121:18)
    at Object.<anonymous> (/usr/lib/node_modules/npm/node_modules/cacache/lib/content/read.js:4:13)
    at Module._compile (node:internal/modules/cjs/loader:1257:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1311:10)
```
On peut tenter la procédure suivante:
  * Suppression du paquet `apt purge nodejs`
  * `rm -Rf .nodejs`
  * `mv /usr/lib/node_modules /usr/lib/old.node_modules`
  * `reboot`
  * `apt install nodejs`
  * `reboot`