Running FreePBX Node.js services on RHEL 6

This was a bit of a challenge because FreePBX expects certain minimum versions of nodejs, and then tries to build modules that require a C++ version 11 compiler. As usual, tracking down all the info I needed took longer than doing the actual install:

# Get the repo for the C++ compiler and assembler
wget -O /etc/yum.repos.d/slc6-devtoolset.repo http://linuxsoft.cern.ch/cern/devtoolset/slc6-devtoolset.repo
# Install the C++ compiler and assembler
yum -q -y install 'devtoolset-2-gcc-c++' 'devtoolset-2-binutils'
# Ensure the new compiler and assembler are enabled by default
echo 'source scl_source enable devtoolset-2' > /etc/profile.d/devtoolset-2.sh
# Get the repo for Node
wget -qO- https://rpm.nodesource.com/setup_11.x | bash -
# Install Node
yum -q -y install nodejs
# If you've already installed FreePBX 14, you'll need to re-install the UCP module that uses Node
fwconsole ma downloadinstall ucp
# If you've already installed FreePBX 15, you'll need to reinstall the core so the FastAGI server works
fwconsole ma downloadinstall core

You should be able to confirm everything installed ok like so:

node --version
npm --version
fwconsole pm2 --list

And you should see something like this:

$ node --version
v11.12.0
$ npm --version
6.7.0
$ fwconsole pm2 --list
+--------------+-------+--------+----------+---------------------+-----+---------+
| Process Name | PID   | Status | Restarts | Uptime              | CPU | Mem     |
+--------------+-------+--------+----------+---------------------+-----+---------+
| core-fastagi | 25667 | online | 1        | 12 hours, 5 minutes | 0%  | 12.09MB |
| ucp          | 25025 | online | 1        | 12 hours, 7 minutes | 0%  | 33.86MB |
+--------------+-------+--------+----------+---------------------+-----+---------+

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