Which of the following options is used with yum command to list a description and summary information about available packages?
Which of the following is a configuration file used to configure TCP wrappers?
John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based network. Due to some network security reasons, John wants to shut down all network interfaces just before rebooting the Linux server. Which of the following commands will he use to accomplish the task?
You work as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based network. You are configuring a UPS for a Linux server. You want to configure the computer as follows:
. The server should automatically shut down after ten minutes of power failure.
. The server should inform the administrator that the shut down process has started.
Which of the following files will help you to configure these settings?
After enabling shadowed passwords in a Linux server, where does Linux keep the passwords?