CentOS 7 Install does not work per instructions
Followed instructions on wiki page for CentOS to a T.  CentOS 7 deployment fully updated, installed from scratch then patched. Nothing else on machine; brand new.

Got to the step: sudo npm install -g --unsafe-perm homebridge homebridge-config-ui-x

```
npm WARN deprecated class-transformer@0.3.2: This release contains a breaking change from 0.3.1 but otherwise functions properly. Please read the changelog on Github to learn more.
npm ERR! code 1
npm ERR! path /usr/lib/node_modules/homebridge-config-ui-x/node_modules/node-pty-prebuilt-multiarch
npm ERR! command failed
npm ERR! command sh -c node scripts/check-prebuild.js || prebuild-install || node scripts/install.js
npm ERR! Prebuild binary exists: /usr/lib/node_modules/homebridge-config-ui-x/node_modules/node-pty-prebuilt-multiarch/prebuilds/linux-x64/node.abi93.node
npm ERR! make: Entering directory `/usr/lib/node_modules/homebridge-config-ui-x/node_modules/node-pty-prebuilt-multiarch/build'
npm ERR!   CXX(target) Release/obj.target/pty/src/unix/pty.o
npm ERR! make: Leaving directory `/usr/lib/node_modules/homebridge-config-ui-x/node_modules/node-pty-prebuilt-multiarch/build'
npm ERR! Prebuild binary failed test.
npm ERR! prebuild-install WARN install /lib64/libstdc++.so.6: version `CXXABI_1.3.9' not found (required by /usr/lib/node_modules/homebridge-config-ui-x/node_modules/node-pty-prebuilt-multiarch/build/Release/pty.node)
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp info using node-gyp@8.2.0
npm ERR! gyp info using node@16.13.0 | linux | x64
npm ERR! gyp info find Python using Python version 3.6.8 found at "/bin/python3"
npm ERR! gyp info spawn /bin/python3
npm ERR! gyp info spawn args [
npm ERR! gyp info spawn args   '/usr/lib/node_modules/npm/node_modules/node-gyp/gyp/gyp_main.py',
npm ERR! gyp info spawn args   'binding.gyp',
npm ERR! gyp info spawn args   '-f',
npm ERR! gyp info spawn args   'make',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   '/usr/lib/node_modules/homebridge-config-ui-x/node_modules/node-pty-prebuilt-multiarch/build/config.gypi',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   '/usr/lib/node_modules/npm/node_modules/node-gyp/addon.gypi',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   '/root/.cache/node-gyp/16.13.0/include/node/common.gypi',
npm ERR! gyp info spawn args   '-Dlibrary=shared_library',
npm ERR! gyp info spawn args   '-Dvisibility=default',
npm ERR! gyp info spawn args   '-Dnode_root_dir=/root/.cache/node-gyp/16.13.0',
npm ERR! gyp info spawn args   '-Dnode_gyp_dir=/usr/lib/node_modules/npm/node_modules/node-gyp',
npm ERR! gyp info spawn args   '-Dnode_lib_file=/root/.cache/node-gyp/16.13.0/<(target_arch)/node.lib',
npm ERR! gyp info spawn args   '-Dmodule_root_dir=/usr/lib/node_modules/homebridge-config-ui-x/node_modules/node-pty-prebuilt-multiarch',
npm ERR! gyp info spawn args   '-Dnode_engine=v8',
npm ERR! gyp info spawn args   '--depth=.',
npm ERR! gyp info spawn args   '--no-parallel',
npm ERR! gyp info spawn args   '--generator-output',
npm ERR! gyp info spawn args   'build',
npm ERR! gyp info spawn args   '-Goutput_dir=.'
npm ERR! gyp info spawn args ]
npm ERR! gyp info spawn make
npm ERR! gyp info spawn args [ 'BUILDTYPE=Release', '-C', 'build' ]
npm ERR! g++: error: unrecognized command line option ‘-std=gnu++14’
npm ERR! make: *** [Release/obj.target/pty/src/unix/pty.o] Error 1
npm ERR! gyp ERR! build error 
npm ERR! gyp ERR! stack Error: `make` failed with exit code: 2
npm ERR! gyp ERR! stack     at ChildProcess.onExit (/usr/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:194:23)
npm ERR! gyp ERR! stack     at ChildProcess.emit (node:events:390:28)
npm ERR! gyp ERR! stack     at Process.ChildProcess._handle.onexit (node:internal/child_process:290:12)
npm ERR! gyp ERR! System Linux 3.10.0-1160.45.1.el7.x86_64
npm ERR! gyp ERR! command "/usr/bin/node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
npm ERR! gyp ERR! cwd /usr/lib/node_modules/homebridge-config-ui-x/node_modules/node-pty-prebuilt-multiarch
npm ERR! gyp ERR! node -v v16.13.0
npm ERR! gyp ERR! node-gyp -v v8.2.0
npm ERR! gyp ERR! not ok

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2021-10-29T00_58_39_534Z-debug.log
```