Install NPM, GULP on Linux

yum install npm

NPM

npm install -g express
npm install -g gulp gulp-cli typescript gulp-typescript ts-node

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For Enterprise Linux - Oracle Linux
Get latest epel repo.
wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

yum install nodejs npm

Set Proxy before installing above:

npm config set strict-ssl false

npm config set registry "http://registry.npmjs.org/"

npm config set proxy http://proxy.ibm.coim:8080

npm config set https-proxy http://proxy.ibm.coim:8080

Use n to manage node version

# node -v
v10.15.3



Logout and login again:
# node -v
v8.11.1