Exercise: Scripting, Containers,and Automation

Type the command to obtain a list of USB devices.

Assuming that you are working with a SysV system, type the complete chkconfig command to display all services and their runlevels.

Type the command to reboot a system.

Enter the command to view the status of the service nginx.

Type the command to install the vsftpd package from the repository in the system.

Type the command to update a Debian system to the latest software.

You need to download the source code for a package to install. The package has a .tgz file extension. Type the command to decompress and unarchive the package.

Type the command to search for and provide information on a given package on a Debian system, including whether the package is currently installed?

Type the command to update the package cache for a Debian system.

Type the command to display the dependencies for a specified package.

Type the command to display the current runlevel for a system.

Write the command to send the contents of /etc/passwd to both STDOUT and to a file called pwfile.

The current hierarchy on the server contains a directory called /usr/local. You need to create additional directories below that are called /usr/local/exercises/commands. Write the command that will help you accomplish that.

Assuming that you are working with Vi, type the command to change the mode into insert mode and open a new line below the current cursor location.

You are using the Vi editor for changing a file and need to exit. You receive a notice indicating “No write since last change”. Type the command to save your work and exit Vi.

Write the find command you will use to locate files within the current directory that have been modified within the last 24 hours.

Type the command to list the cron entries for the user linuxpath.

Type the command to place a file into the print queue.

Type the command to delete an at job with an ID of 80.

Type the command to change a group called GroupAdmins to GroupUsers.

Type the command to delete a user from the system, including their home directory.

Type the command to schedule a series of commands to execute two hours from now.

Write the command you will use to move all files with a .py extension to the /tmp directory.

You have downloaded a file with a .gz extension. Write the most closely command you will use to decompress this file.

Type the command to examine the system log for information regarding DHCP activity.

Type the command to show information such as link status about the wireless device “wlan1”.

Type the command to view kernel-related udev events in real-time.

Type command to gather and display statistics about mail processed on a server running sendmail.

Type the command to cause the mail queue to be processed on a Postfix server.

Type the command to search the contents of all files below your current location for files that contain the word firewall.

Enter the command to display a listing of who is logged in to the server along with the date and time that they logged in.

Enter the command to set parameters, such as essid, channel and other related options for a wireless device.

Type the complete openssl command to create a Certificate Signing Request (CSR).