When I run truffle migrate command, I am getting this error:
1_initial_migration.js
======================
   Deploying 'Migrations'
   ----------------------
Error:  *** Deployment Failed ***
"Migrations" ran out of gas (using a value you set in your network config or deployment parameters.)
   * Block limit:  2582365
   * Gas sent:     20000
    at /usr/local/lib/node_modules/truffle/build/webpack:/packages/truffle-deployer/src/deployment.js:364:1
    at <anonymous>
    at process._tickCallback (internal/process/next_tick.js:188:7)