Hi knolleary,
First of all thank you for your quick response!
If I do that I get the following:
pi@raspberrypi : ~ $ sudo npm install -g node-red-admin
[sudo] password for pi:
npm WARN deprecated request@2.88.2: request has been deprecated, see Request’s Past, Present and Future · Issue #3142 · request/request · GitHub
/usr/bin/node-red-admin -> /usr/lib/node_modules/node-red-admin/node-red-admin.js
bcrypt@3.0.8 install /usr/lib/node_modules/node-red-admin/node_modules/bcrypt
node-pre-gyp install --fallback-to-build
node-pre-gyp WARN Using request for node-pre-gyp https download
node-pre-gyp WARN Pre-built binaries not installable for bcrypt@3.0.8 and node@12.16.1 (node-v72 ABI, glibc) (falling back to source compile with node-gyp)
node-pre-gyp WARN Hit error EACCES: permission denied, mkdir '/usr/lib/node_modules/node-red-admin/node_modules/bcrypt/lib'
gyp WARN EACCES current user ("nobody") does not have permission to access the dev dir "/root/.cache/node-gyp/12.16.1"
gyp WARN EACCES attempting to reinstall using temporary dev dir "/tmp/.node-gyp"
gyp ERR! configure error
gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/lib/node_modules/node-red-admin/node_modules/bcrypt/build'
gyp ERR! System Linux 4.19.97-v7+
gyp ERR! command "/usr/bin/node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "configure" "--fallback-to-build" "--module=/usr/lib/node_modules/node-red-admin/node_modules/bcrypt/lib/binding/bcrypt_lib.node" "--module_name=bcrypt_lib" "--module_path=/usr/lib/node_modules/node-red-admin/node_modules/bcrypt/lib/binding" "--napi_version=5" "--node_abi_napi=napi" "--napi_build_version=0" "--node_napi_label=node-v72"
gyp ERR! cwd /usr/lib/node_modules/node-red-admin/node_modules/bcrypt
gyp ERR! node -v v12.16.1
gyp ERR! node-gyp -v v5.1.0
gyp ERR! not ok
node-pre-gyp ERR! build error
node-pre-gyp ERR! stack Error: Failed to execute '/usr/bin/node /usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/usr/lib/node_modules/node-red-admin/node_modules/bcrypt/lib/binding/bcrypt_lib.node --module_name=bcrypt_lib --module_path=/usr/lib/node_modules/node-red-admin/node_modules/bcrypt/lib/binding --napi_version=5 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v72' (1)
node-pre-gyp ERR! stack at ChildProcess. (/usr/lib/node_modules/node-red-admin/node_modules/node-pre-gyp/lib/util/compile.js:83:29)
node-pre-gyp ERR! stack at ChildProcess.emit (events.js:311:20)
node-pre-gyp ERR! stack at maybeClose (internal/child_process.js:1021:16)
node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:286:5)
node-pre-gyp ERR! System Linux 4.19.97-v7+
node-pre-gyp ERR! command "/usr/bin/node" "/usr/lib/node_modules/node-red-admin/node_modules/.bin/node-pre-gyp" "install" "--fallback-to-build"
node-pre-gyp ERR! cwd /usr/lib/node_modules/node-red-admin/node_modules/bcrypt
node-pre-gyp ERR! node -v v12.16.1
node-pre-gyp ERR! node-pre-gyp -v v0.14.0
node-pre-gyp ERR! not ok
Failed to execute '/usr/bin/node /usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/usr/lib/node_modules/node-red-admin/node_modules/bcrypt/lib/binding/bcrypt_lib.node --module_name=bcrypt_lib --module_path=/usr/lib/node_modules/node-red-admin/node_modules/bcrypt/lib/binding --napi_version=5 --node_abi_napi=napi --napi_build_version=0 --node_napi_label=node-v72' (1)
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: bcrypt@3.0.8 (node_modules/node-red-admin/node_modules/bcrypt):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: bcrypt@3.0.8 install: node-pre-gyp install --fallback-to-build
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1
updated 1 package in 16.637s
pi@raspberrypi : ~ $