下载.net
yum install libicu -y
cd /root
ln -s /data1/soft /data/soft
tar zxvf dotnet-sdk-2.1.302-linux-x64.tar.gz -C /data1/soft/dotnet/
echo 'export DONET_ROOT=$PATH:/data/soft/dotnet' >> /etc/profile
echo 'export PATH=$PATH:/data/soft/dotnet' >> /etc/profile
source /etc/profile
dotnet --version