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If there are other entries in your hosts file, you may need to comment them out for the duration of this project if they interfere with naming or IP addresses. Listing 1: You can maintain a simple hosts file to perform the function of a resolver in small networks.Īlthough you can add hostnames and their respective IP Addresses as shown in Listing 1, this is not an optimal solution to name services, especially when traveling. ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 In its default state, there should only be two lines in the hosts file, the first two lines seen in Listing 1, below.ġ27.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 The hosts fileįirst, let's take a look at the /etc/hosts file. I will use the private IP address of my ASUS for this project but you should use the IP address of the host that you are using. To show that almost any host can perform well as a name server, I have tested this project on an old ASUS EeePC 900 netbook. I use this setup on my much more powerful ThinkPad because the name servers provided by DHCP (Dynamic Host Configuration Protocol) when I connect to non-home networks using either wired or wireless connections can sometimes be unreliable.
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You only need one computer to perform all but one of the tasks in this lab project. However, you should probably not do this on a computer that you do not own or have the right to modify unless you have explicit permission to do so. Setting up a name server on any GNU/Linux computer you have available is technically possible because it will not interfere with other hosts on the network or their operation.
#Howvto make your own local cloud how to#
This little lab project will show you how to install and configure BIND on your computer as a caching name server, test it, then set it up as a primary name server with a zone file that you can use as a name resolver for your network or just for testing. Setting up a name server using BIND is quite straightforward, so I'll show you how to do so on any computer you might have available for experimentation.
#Howvto make your own local cloud upgrade#
In this article, you will start by learning how to create a caching name server, then you will move on and learn how to upgrade that to a complete primary (master) domain name server for your network, complete with forward and reverse zone files. It is not as difficult as you might think, especially because you can do it in two stages. In this article, I show you how to build your own name server using BIND (Berkeley Internet Name Domain).
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I also listed and described some of the more common DNS records you are likely to encounter when building a name server or just trying to interpret the results of a dig command. In the previous article in this two-part series, Introduction to the DNS (Domain Name System), I described how the DNS database is structured and how to configure name services on a client.