The most basic test after the DNS server has been set up properly is to ping the hostname of the nameserver and the domain itself. If both return a reply, your nameserver is querying properly.

A forwarding-only server does not actually handle any queries, but instead just forwards them to the correct location. This might be something you see if you work for an ISP that handles thousands of requests at a time. Forwarding-only servers are actually the easiest to set...

When you’re trying to access a website, you type in the name you are looking  for and it comes up. In the background, though, Domain Name Service (DNS) is what translates that website name into an IP address so that the site may be accessed. This...

Once the FTP  setup is complete, you need to test the FTP server from one of the clients, Client01. To save time during the exam and when testing in the real world, you can use the command-line FTP client lftp.

A proxy server is a device that usually sits between a client and the destination the user is trying to reach. It can provide security, anonymity, and even protection for the client behind the proxy. To help in this process is Squid, which is a web...

The most commonly used web server in the world today is Apache—and with good reason. Built with security in mind, Apache is a solid and stable web server that has been around for years. The module design allows for scalability and ease of use. Apache can...

In this post we will be discussing about the Linux LVM tasks in day to day Linux administration job.

Sometimes things go wrong with the system to the point where it refuses to boot. For those users who are just starting out with Linux, this is a major red flag that throws them off their balance because they aren’t quite sure how to handle such...

Understanding Linux Boot Process Linux Boot Process Involves multiple Steps, let’s explore the entire boot process: Step 1: Power on the Machine Step 2: Run POST and Identify the  boot Device Step 3: Read the GRUB Boot loader from the MBR of Boot device The Grand...