Remove --unsafe-perm from docs as no longer needed

Author: dceejay

docs/getting-started/android.md

@@ -23,7 +23,7 @@ Install it, and run it. Then at the prompt type
     apt update
     apt upgrade
     apt install coreutils nano nodejs
-    npm i -g --unsafe-perm node-red
+    npm i -g node-red
     node-red
 
 Then you can point a browser to `http://localhost:1880`

docs/getting-started/aws.md

@@ -137,7 +137,7 @@ Once logged in you need to install node.js and Node-RED
 
        curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
        sudo apt-get install -y nodejs build-essential
-       sudo npm install -g --unsafe-perm node-red
+       sudo npm install -g node-red
 
 
 At this point you can test your instance by running `node-red`. *Note*: you may
@@ -149,7 +149,7 @@ Once started, you can access the editor at `http://<your-instance-ip>:1880/`.
 To get Node-RED to start automatically whenever your instance is restarted, you
 can use pm2:
 
-       sudo npm install -g --unsafe-perm pm2
+       sudo npm install -g pm2
        pm2 start `which node-red` -- -v
        pm2 save
        pm2 startup

docs/getting-started/azure.md

@@ -49,7 +49,7 @@ Once logged in you need to install node.js and Node-RED
 
        curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
        sudo apt-get install -y nodejs build-essential
-       sudo npm install -g --unsafe-perm node-red
+       sudo npm install -g node-red
 
 
 At this point you can test your instance by running `node-red`. *Note*: you may
@@ -61,7 +61,7 @@ Once started, you can access the editor at `http://<your-instance-ip>:1880/`.
 To get Node-RED to start automatically whenever your instance is restarted, you
 can use pm2:
 
-       sudo npm install -g --unsafe-perm pm2
+       sudo npm install -g pm2
        pm2 start `which node-red` -- -v
        pm2 save
        pm2 startup

docs/getting-started/beaglebone.md

@@ -85,4 +85,4 @@ The easiest way to install them is direct from npm.
 
 To install manually run the following command:
 
-    sudo npm install -g --unsafe-perm beaglebone-io johnny-five node-red-contrib-gpio
+    sudo npm install -g beaglebone-io johnny-five node-red-contrib-gpio

docs/getting-started/docker.md

@@ -238,7 +238,7 @@ FROM nodered/node-red
 # of your added nodes modules for Node-RED
 WORKDIR /data
 COPY package.json /data
-RUN npm install --unsafe-perm --no-update-notifier --no-fund --only=production
+RUN npm install --no-update-notifier --no-fund --only=production
 WORKDIR /usr/src/node-red
 
 # Copy _your_ Node-RED project files into place

docs/getting-started/local.md

@@ -44,7 +44,7 @@ To install Node-RED locally you will need a [supported version of Node.js](/docs
 To install Node-RED you can use the `npm` command that comes with node.js:
 
 ```
-sudo npm install -g --unsafe-perm node-red
+sudo npm install -g node-red
 ```
 
 If you are using Windows, do not start the command with <code>sudo</code>.
@@ -203,7 +203,7 @@ If you have installed Node-RED as a global npm package, you can upgrade to the
 latest version with the following command:
 
 ```
-sudo npm install -g --unsafe-perm node-red
+sudo npm install -g node-red
 ```
 
 If you are using Windows, do not start the command with <code>sudo</code>.

docs/getting-started/windows.md

@@ -38,7 +38,7 @@ You should receive back output that looks similar to:
 
 Installing Node-RED as a global module adds the command `node-red` to your system path.  Execute the following at the command prompt:
 
-    npm install -g --unsafe-perm node-red
+    npm install -g node-red
 
 #### 3. Run Node-RED
 

docs/user-guide/node-red-admin.md

@@ -23,7 +23,7 @@ If you install it separately, you would use the command `node-red-admin`.
 If you want to install `node-red-admin` separately, you can install it as a global
 module with:
 
-    npm install -g --unsafe-perm node-red-admin
+    npm install -g node-red-admin
 
 <div class="doc-callout">
 <em>Note</em> : <code>sudo</code> is required if running as a non-root user on Linux/OS X. If

docs/user-guide/runtime/adding-nodes.md

@@ -60,10 +60,3 @@ npm install <name-of-module>@latest
 ```
 
 Whichever approach you take, you will need to restart Node-RED to load the updates.
-
-<div class="doc-callout"><em>Note</em> : the reason for using the
-<code>--unsafe-perm</code> option is that when node-gyp tries to recompile any
-native libraries it tries to do so as a "nobody" user and then fails to get
-access to certain directories. This causes the nodes in question (for example,
-serialport) not to be installed. Allowing it root access during install
-allows the nodes to be installed correctly during the upgrade.</div>