Alt+Ctrl+T
sudo apt-get update -y
copy paste sudo apt-get install mono-complete -y
cd ~/Downloads
wget http://telerik-fiddler.s3.amazonaws.com/fiddler/fiddler-linux.zip 
sudo apt-get install unzip -y
unzip fiddler-linux.zip\?sfvrsn\=2 -d fiddler
cd fiddler/
mono Fiddler.exe