Official installation procedure:
Manual installation:
1. Download the compressed file
Go to https://www.nomadproject.io/downloads.html and download file.
wget https://releases.hashicorp.com/nomad/0.12.1/nomad_0.12.1_linux_amd64.zip
2. Decompress the file
unzip nomad_0.12.1_linux_amd64.zip
3. Move the nomad binary
sudo install nomad /usr/local/bin