How To Use Firewall For Enhancing Network Security In Linux/Unix?

Introduction to firewall A firewall is a network security system that monitors incoming and outgoing network traffic and allows or blocks the data packets based on a set of security rules that are predefined in the system. It acts as a barrier between internal and external sources such as the internet and blocks malicious traffic. … Read more

How To Use Telnet In Linux/Unix?

Telnet basically stands for “teletype network”. It is an old network protocol that works on the application layer of the OSI model. It connects to a remote system using the internet or LAN to provide a text-based communication using a virtual terminal. Generally, telnet is used to establish a connection to transmission control protocol (TCP) … Read more

How Systemd Is Different From SysVinit?

What Is init In Unix or Unix based systems init is the first process that gets started during system boot. It is the parent process of all the processes that are running into the system. It automatically adopts all the processes that get orphaned. init holds the process id 1. Once it gets started it … Read more

How To Setup FTP Server In Linux/Unix?

FTP is the short form of File Transfer Protocol. It is a standard networking protocol used to transfer files between client and server. An FTP user may authenticate themselves by using username and a password. For secure transmission of username or password or other encrypted content that is to be transferred, FTP is often secured … Read more

How To Connect A Remote Linux Server Using SSH?

Secure Shell(SSH) is a cryptographic networking protocol for securely getting access to a remote computer with the command line interface. It provides a secure channel over the unsecured network to execute a command and operate a system remotely in a client-server architecture. SSH was designed as an alternative of telnet and other unsecured remote shell … Read more

Package Managemet In Slackware

Slackware is a Linux distribution developed by Patrick Volkerding initially it was released in 1993. The distribution was based on the Softland Linux system which was one of the first Linux distribution created. Slackware development aims for design stability, simplicity, and most Unix-like system. It is considered to be most suitable for advanced and technically … Read more

The Concept Of RAID

Originally the term RAID defined as “Redundant Array of Inexpensive Disks” but now it is referred to as “Redundant Array of Independent Disk”. It is a data storage virtualization technology. The idea behind this is to combine multiple physical disk drives components into a single logical storage unit or drive for data redundancy, performance improvement, … Read more