Linux

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Firewall Configuration

How to setup firewall in Linux? What is a Firewall?Firewall is a network security system that filters and controls the traffic on a predetermined set of rules. This is an intermediary system between the device and the internet. NOTE:- If you already know about the working of Firewall in Linux and just want to know the …

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Firewall

A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules. Its purpose is to establish a barrier between your internal network and incoming traffic from external sources (such as the internet) in order to block malicious traffic like viruses and hackers. How …

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How to hack Linux Password – Easy Way

In this practical scenario, we are going to crack Linux password with a simple password. Linux primarily use a one-way encryption algorithm, called DES (Data Encryption Standard) to encrypt your passwords. So here we are going to start this session in an easiest way to hack Linux Password. Follow these Steps: Step 1. First Restart your PC and press “E” then find a line which start …

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Bash Shell Script

Scripts are lists of commands executed by certain programs or scripting engines. They are usually text documents with instructions written using a scripting language. They are used to generate Web pages and to automate computer processes. Today we will learn how to run and control them on a Linux system. Till now, we can run scripts only from the command line interface. …

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MySQL

In this post, we will cover many aspects of MySQL on Linux. First of all, how to install it, how to perform basic CRUD operations, how to import & export data, play with the MySQL engine itself such as setting the root user password and much more. MySQL is one of the most popular relational …

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Syslog Server

If you want your system to be secured and hardened, you have to know what’s going on in that system, you can do that using logs. With logs, you can diagnose problems and determine the health of your system and applications. The Logging Service Most Linux distros come with Rsyslog (successor version of syslog) preinstalled as well as …

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Mail Server

If you want to send or receive an email, you should have a mail server. In this post, we will discuss Linux mail server and how the SMTP (Simple Mail Transfer Protocol) works as well as other mail-related protocols, like Post Office Protocol (POP) and Internet Message Access Protocol (IMAP) and the relationship between them. …

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DNS Server

The DNS (Domain Name System) is a naming system for computers, the service that does that is called DNS server which translates an IP address to a human readable address. This process is the backbone of the internet and a very important service in your server, so from that point, we will discuss DNS server …

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Web Server

A web server is a system that manipulates requests via HTTP protocol, you request a file from the server and it responds with the requested file, which might give you an idea that web servers are only used for the web. Actually, web servers can also be found embedded in devices such as printers, routers, …

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