The root account or superuser account is the user account that must be created when installing an operating system and is equipped with the most extensive access rights. This account is not intended for day-to-day use of the system, but only for special administrative tasks because it involves extensive risks. For example, in the guide to Set up a passwordless SSH Login, we have asked the readers … [Read more...]
How To Set up a Passwordless SSH Login in Ubuntu 22.04
This guide is intended to disable the password-based SSH login for the root user and create an identity file-based SSH authentication like AWS, HP cloud provides a way to log in. If you are using VPSDime, you will get the option while reinstalling OS. Still, many of the web hosts deliver SSH login using the root user account. This is a security risk since any attacker can easily guess the username … [Read more...]
What is Rapid Prototyping
Rapid prototyping is the umbrella term for various processes for the rapid production of sample components based on the design data. Most rapid prototyping processes – except, for example, polyamide casting – can be attributed to additive manufacturing or .dem 3D printing because they work with layer-by-layer material application and without the use of a mold. Rapid prototyping refers to the type … [Read more...]
Install & Configure Fail2Ban on Ubuntu 22.04 (Apache2)
Fail2ban is an intrusion prevention system written in Python that runs on all POSIX operating systems that have a tamperable packet filtering system or firewall (e.g. iptables on Linux). The main purpose of fail2ban is to determine and block specific IP addresses that are likely to belong to attackers who want to gain access to the system. fail2ban identifies IP addresses from log files that … [Read more...]
What is Prototype in Technology
In technology, a prototype represents a functional test model of a planned product or component for the respective purposes, but often also simplified. It can only correspond to the end product from a purely external point of view or also from a technical point of view. A prototype often serves as a preparation for serial production, but can also be planned as a one-off piece that is only intended … [Read more...]
What is Runtime Environment
A runtime environment (RE), also known as the execution environment or sequence environment, describes the prerequisites of a particular runtime system that are available and defined at the runtime of computer programs. This is defined by the elementary components of the programming language, such as the behavior of language constructs and other functions such as type checking, debugging, code … [Read more...]
Web Application Framework Basics
A web framework is a framework designed for the development of dynamic websites, web applications, or web services. Repetitive tasks are simplified, and code reuse and software development self-documentation are encouraged. Concepts such as Don't repeat yourself, KISS or convention before configuration offer simple, clear structures that can be maintained with little effort. Through predefined … [Read more...]
Rewrite Engine Basics
A rewrite engine makes it possible to rewrite requests addressed to a web server internally or to forward them externally. For the Apache web server, the software module mod_rewrite does this job. Other web servers such as Microsoft IIS, Nginx, Lighttpd or Hiawatha web servers offer similar functions. This functionality was created in order to be able to provide an addressing scheme to the … [Read more...]
What is Advertising Relevant Target Group
Advertising-relevant target group is a term used in radio and television advertising and marketing to describe the most important target groups (listener and viewer groups) for these mass media when setting the price of commercials. It is the second most important metric in addition to total reach. The advertising-relevant target group only makes the performance of broadcasters comparable, but is … [Read more...]
How Trial Reset Works
A crack is a copyright infringement. In our earlier article, we have explained type of cracks and application protection methods. To make a crack, crackers mainly use disassemblers, debuggers, and hex editors. Nothing new is programmed, but only how the original code works in order to change the program in a targeted manner. Many programs commercial on the Internet have a trial period (usually … [Read more...]
Functions and Divisions of Digital Audio Workstation (DAW) Software
A digital audio workstation (DAW for short) is a network of digital devices for recording and processing sound signals in sound recording, music production, mixing and mastering, which is characterized by a high level of integration of components. Today, the term is usually understood to mean a computer-aided system with appropriate hardware (high-quality audio card) and music software. … [Read more...]