Install Tessera jar

1. Install necessary dependencies

2. Download the latest tessera-app-<VERSION>-app.jar from ConsenSys/tessera repository

3. (Optional) Create an alias

   alias tessera="java -jar ~/Downloads/tessera-VERSION-app.jar"
   

4. Verify installation.

   tessera --help
   
     Usage:
   
     Tessera private transaction manager for Quorum
   
     tessera [OPTIONS] [COMMAND]
   
     Description:
   
     Start a Tessera node.  Other commands exist to manage Tessera encryption keys
   
     Options:
     -configfile, --configfile <config>
     Path to node configuration file
     --debug                Print full exception stack traces
     -o, --override KEY=VALUE
     -pidfile, --pidfile <pidFilePath>
     the path to write the PID to
     -r, --recover              Start Tessera in recovery mode
   
     Commands:
     help                        Displays help information about the specified
     command
     keygen, -keygen             Generate Tessera encryption keys
     keyupdate, -updatepassword  Update the password for a key