Linux Network Administration - Network Time Protocol - NTP

The video tutorial explains the Network Time Protocol (NTP), its purpose, and importance in synchronizing time across servers, especially in corporate environments. It covers the steps to configure NTP on a Linux server, including checking and installing the NTP package, modifying the ntp.com file, and starting the NTP service. The tutorial also demonstrates how to verify the service status and emphasizes the necessity of NTP for system administrators to ensure synchronized time across workflow servers.

What is the primary purpose of the Network Time Protocol (NTP)?

• To manage network traffic

• To synchronize computer time with a server

• To enhance server security

• To improve data storage efficiency

Which command is used to check if the NTP package is installed on a Linux machine?

• yum list installed

• rpm -qa | grep NTP

• apt-get check NTP

• dpkg -l NTP

What should you do if the NTP package is not installed on your system?

• Run 'dpkg -i NTP'

• Run 'systemctl enable NTP'

• Run 'apt-get remove NTP'

• Run 'yum install NTP'

Which server is commonly used for DNS resolutions and can also be used for NTP?

• 10.0.0.1

• 192.168.1.1

• 8.8.8.8

• 127.0.0.1

What is the purpose of the 'ntp.conf' file?

• To store user credentials

• To configure network interfaces

• To set up NTP server details

• To manage firewall settings

How can you verify that the NTP service is running?

• By pinging the server

• By using the 'status' command

• By checking the system logs

• By restarting the server

What command can be used to stop the NTP service?

• systemctl stop NTPD

• shutdown NTPD

• service NTPD disable

• killall NTPD