Wireshark is one of the best tools for penetration testers and network administrators alike. Let’s learn to install Wireshark on Ubuntu in a step-by-step manner. I’ll document the complete steps from installing to running and a few basic functionalities below. So if you follow through, you should have an up and running Wireshark on your […]
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In this tutorial, we will discuss how to install MongoDB on Ubuntu/Debian. Let’s first discuss the difference between MySQL and MongoDB. MySQL is an open-source RDBMS (Relational database Management System). It is supported by Oracle Corporation. In MySQL, the data is stored in the form of relations (Rows and Columns). MongoDB is an open-source non-relational
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In this tutorial, we will discuss how to install MariaDB on Debian/Ubuntu operating system. Talking about MariaDB, It is open-source software under the MariaDB foundation. It was developed by MySQL developers. MariaDB is an alternative to MySQL with a few limitations. Even in XAMPP, MySQL is replaced with MariaDB. MariaDB supports both structured and semi-structured
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In this tutorial, we are going to discuss how to install Apache Kafka on Ubuntu. What is Apache Kafka? Apache Kafka is an open-source stream-processing software platform developed by LinkedIn and donated to Apache Software Foundation, written in Scala and Java. In simple terms, Kafka is a messaging system that is designed to be fast,
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With a boom in back-end web development technologies, working with the right framework can make or break your web development efforts. Python Flask is one of the many good frameworks out there. Flask is a popular Python web framework that enables the rapid development of web applications. Since most developers prefer working in Linux as
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Tired of using the same old default hostname that comes with your Ubuntu 18.04 server, and want to change it? And you want to do it now, without having to restart? Oh yes, you can do both!! Let us see how to change the hostname of our Ubuntu server. It’s just a few simple steps.
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In this tutorial, we’ll learn how to set environment variables in Linux manually. When using Linux, the Kernel sets up the environment with default values for a lot of variables that we would need to use. This includes the default paths, languages, default shell, home directory, and more. Let’s go over how and where Linux
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A DNS cache (sometimes called a DNS resolver cache) is a temporary database, maintained by a computer’s operating system, that contains records of all the recent visits and attempted visits to websites and other internet domains. You may want to sometimes clear your DNS Cache, especially if you give access permission to another person, or
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The hosts’ file is an extremely useful albeit small text file that stores host names with associated IP addresses. It is basically a mapping from hostnames to IP addresses. Any network protocol uses this mapping to convert hostnames to numeric IP addresses. The mapping is because the Network Layer does not work with the hostnames.
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Let’s have a look at a really simple to use firewall, the UFW firewall. As a system administrator, it is our duty to make sure that the systems we work on are secured from attackers. There are multiple methods to incorporate in terms of network security but the most fundamental one begins with a firewall.
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