20 Linux commands every sysadmin should know

1. curl curl transfers a URL. Use this command to test an application's endpoint or connectivity to an upstream service endpoint. curl can be useful for determining if your application can reach another service, such as a database, or checking if your service is healthy. As an example, imagine your application throws an HTTP 500 error indicating it can't reach a MongoDB database: $ curl -I -s myapplication:5000 HTTP/1.0 500 INTERNAL SERVER ERROR The -IĀ option shows the heade...
More