Operating Systems List

Operating systems are an important part of today’s IT systems. During history, different types of operating systems are developed with different methodologies, licenses, prices, and features. Even most of us do not know there are hundreds of operating systems where only a dozen of them continued and most of them…

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What Is LLVM? Getting Started with LLVM

LLVM is a project which provides a collection of a modular compiler and toolchain software and technologies. The name “LLVM” is not an acronym that is different from other IT and Opensource projects. LLVM has started a research project at the University of Illinois in order to create a compiler…

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What Is GCC (GNU Compiler Collection)?

The GNU Compiler Collection or GCC is a compiler and related auxiliary tools which are used to compile different programming languages into binary and related formats. GCC has been created and currently developed by the GNU Project. Also, the GCC name comes from the GNU as you have noticed. GCC…

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What Is Fedora (Linux Operating System/Distribution)?

Fedora is a Linux based operating system which provides innovative, free, and open-source platform for hardware, pc, laptop, cloud, and containers. Fedora is also called a Linux distribution where it uses the Linux kernel as the core of the operating system. Fedora History Fedora distribution is officially released on 6…

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What Is Default SSH Port and How To Change It?

SSH or Secure Shell is a very popular remote connection and management protocol used to manage different types of devices. SSH can be used to manage Linux, Ubuntu, CentOS, Cisco, Fortinet, and a lot more devices. As a remove port SSH is accessed via the network using TCP 22 port.…

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Linux ethtool Tutorial with Usage Examples

ethtool  is useful utility used for Network Interface Card configuration. It provides simple and fast way to get and set configuration about IP address, interface speed, interface duplex or half duplex etc. List and Printer Interface Properties We will start with simply listing given network interface properties. We will see…

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Ettercap Tutorial For Network Sniffing and Man In The Middle

As pentester we use a lot of tools during penetration tests. One of the main parts of the penetration test is man in the middle and network sniffing attacks. We generally use popular tool named ettercap to accomplish these attacks. In this tutorial we will look installation and different attack…

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How To Install and Use SNMP On Linux Tutorial with Examples?

Today we will look SNMP in Linux operating systems. Simple network management protocol named SNMP is designed for getting info and setting configuration in its entities. These entities may be a switch, router, pc, cabinet, printer, etc. Snmp was very popular in the 2000s. Today it is popular too but…

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Linux SCP Command Usage With Examples

Scp is an acronym for Secure Copy. It is used primarily for copying files over an ssh connection. The copied files are encrypted and assumed secure as ssh. If the files contain sensitive data copying them with SCP or similar encrypted protocol is the best solution. In this tutorial, we…

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PHP cURL Tutorial with Examples

PHP programming language standard library supports the cURL library named libcurl. libcurl is a library implementation of the cURL tool which is used to communicate with servers and clients by using popular protocols like HTTP, FTP, etc. cURL can be used for HTTP POST, HTTP PUT, FTP Upload requests. PHP…

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