java -jar selenium-server-4.1.2.jar standalone Or start only the Hub:
Official Download Source The only safe and recommended location to download the Selenium Server (Grid) JAR file is from the official Selenium website or its Maven repository. selenium server standalone 4.1.2 jar download
java -jar selenium-server-4.1.2.jar hub Or start a Node: java -jar selenium-server-4
d426f99b3a3e2e89d32d80bbfe9825b57701708179baaa572da0a6c6091ab829 selenium server standalone 4.1.2 jar download
curl -O https://repo1.maven.org/maven2/org/seleniumhq/selenium/selenium-server/4.1.2/selenium-server-4.1.2.jar After downloading, verify the integrity of the JAR file using the published SHA-256 checksum.