Use the Prebuilt Binary

1. Download the binary:

   # Choose your architecture (amd64 or arm64).
   ARCH="amd64"
   
   # Download the release binary.
   curl -LO "https://github.com/longhorn/cli/releases/download/v1.8.0/longhornctl-linux-${ARCH}"
   

2. Validate the binary:

   # Download the checksum for your architecture.
   curl -LO "https://github.com/longhorn/cli/releases/download/v1.8.0/longhornctl-linux-${ARCH}.sha256"
   
   # Verify the downloaded binary matches the checksum.
   echo "$(cat longhornctl-linux-${ARCH}.sha256 | awk '{print $1}') longhornctl-linux-${ARCH}" | sha256sum --check
   

3. Install the binary:

   sudo install longhornctl-linux-${ARCH} /usr/local/bin/longhornctl
   

4. Verify installation:

   longhornctl version
   

Build From Source

See this document in the GitHub repository.