Merge pull request #381 from al-cheb/al-cheb/disable_telemetry

Disable telemetry before dotnet installation to prevent Segmentation fault

images/linux/scripts/installers/1804/dotnetcore-sdk.sh

@@ -30,6 +30,9 @@ mksamples()
 
 set -e
 
+# Disable telemetry
+export DOTNET_CLI_TELEMETRY_OPTOUT=1
+
 for latest_package in ${LATEST_DOTNET_PACKAGES[@]}; do
     echo "Determing if .NET Core ($latest_package) is installed"
     if ! IsInstalled $latest_package; then