Understanding DNS Server and Installing Bind for Ubuntu VM

Networking

Table of Contents
Part: 1.........................................................................................................................................................1
Part: 2.......................................................................................................................................................45
Part: 3.....................................................................................................................................................118
Creating the FTP User..................................................................................................................122
Providing the Permissions for the Directory...............................................................................125
Configuring vsftpd........................................................................................................................126
Testing FTP....................................................................................................................................132
Part: 4.....................................................................................................................................................132

Part: 1
DNS Sever
DNS server comprises of PC server's IP address, database and some related host names
utilized for the most cases which interprets the common names to the IP delivers. The IP delivers
are asked for the databases' records, for the uncommon server programming and they speak with
one another by utilizing the protocols. DNS server could discover the sort of arrangements and
can be utilized to provoke the direction for running and executing the procedure database. It can
be utilized as the principal marked for the framework database server of the essential DNS
server, thus it is the main location which can execute the directions prompted by the information
server. The auxiliary DNS server is the utilized hosts' names and the web spaces to the
information server's IP address. For the essential server repetition, the optional DNS server must
be designed from the zone. The DNS server can run and execute the directions prompted which
are utilized for the presentation on the blunder messages. This message will diminish when an
individual attempts to interface with the web, and the association may fall flat as the Trouble-
shooter is run by encountering a mistake. Here, the gadget or assets don't react. The correct
blunder will be redressed in the DNS server. Then, the DNS server can be utilized for the
location of the web protocol i.e., it can be utilized for the registry to decipher the space names
and the protocol address. The area names of the recollected people's groups are the important PC
or machines to access the direction provoking, based on the IP address.
Installation
The Ubuntu VM process installs, locates DNS server and the SSH server. The following
steps are contained, where initially the system must be updated by the user. These steps are
shown in the below figures. The commands used are also represented in the following section.
1

Later, ensure installing the Bind with the help if the following steps.
The command lines used are shown in the below figure.
2

Next, the Bind box must be installed to successfully execute the system. The following code line
was used.
3

Ipv4 mode must appear as the following step. Then, in the OPTIONS variable include "-4". The
variable is saved and from the options it exits. Thus, for configuring the DNS server the BIND
must be installed now.
After the installation completes, allow it to show the results from the BIND installation,
especially before the bind restarts the system. This step is represented below.
4

Initial Configuration of DNS Server
The BIND’s configuration comprises various files to be handled, then BIND runs the
configuration and the options file will be started. This start of option file blocks the line of the
preceding steps.
5

The subsequent steps of the compliment codes will be similar.
6