vite - Port 5173 is already in use

added this into vite.config.js

    server: {
        hmr: {
            host: 'localhost'
        }
    },

tried killing the port like npx kill-port 5173 installed nodejs

this is the error message

error when starting dev server:
Error: Port 5173 is already in use
    at Server.onError (file:///var/www/html/node_modules/vite/dist/node/chunks/dep-e8f070e8.js:53183:28)
    at Server.emit (node:events:513:28)
    at emitErrorNT (node:net:1767:8)
    at process.processTicksAndRejections (node:internal/process/task_queues:82:21)