Category: Linux

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Tails Linux OS Tutorial For Privacy and Anonymity

Anonymity and Privacy are important topics of this decade. A lot of states, companies or persons try to crack or censorship peoples anonymity and privacy. There are different ways to protect us from these attacks. Tail OS is a Linux based distribution which provides these protections as a Live operating...

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What is Zenmap and How To Download, Install and Use In Windows, Linux?

Zenmap is an free and open source GUI designed to be used with nmap . Zenmap is multiplatform tool which supports Linux, Ubuntu, Mint, Kali, Fedora, CentOS,.. , Windows, Mac OS X, BSD etc. . nmap is very powerful tool for network scanning and vulnerability discovery but it is completely command line based....

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How To Install and Use ClamAV Antivirus Software In Linux, Ubuntu, Debian, Mint, Kali, Fedora, CentOS, RHEL

Linux distributions like Ubuntu, Debian, Mint, Kali, Fedora, CentOs, RHEL are considered as virus free and advertised by open source advocates. This is a bit false but generally true assumption. Linux environment have very little viruses against Windows and MacOS. But Linux environment is not fully secure against. In this...

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How To Scan Top Ports with Masscan?

masscan is an alternative tool to the popular nmap . Actually masscan provides very less of the nmap but provides some huge adventages. masscan is designed to be fast and performative. nmap have popular feautre named top ports which option is –top-ports to scan specified number of most popular ports. masscan also provides this options...

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OpenPGP Mail Encryption and Related Tools For Linux, Windows

OpenPGP is a email encryption standard used by a lot of people. This standard is defined by OpenPGP Working Group of the Internet Engineering Task Force (IETF). The standard is proposed with RFC 4880 . The OpenPGP is derived from PGP software which is created by Phil Zimmermann. OpenPGP Windows...

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What Is Default SFTP Port and How To Change SFTP Port Number?

SFTP is a secure version of the FTP. SFTP provides an encrypted channel with the remote server. This makes authentication and data transfer more secure than FTP. SFTP protocol is generally provided by SSH servers by default. In this tutorial, we will learn the default SFTP port and how to...

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How To Find And Change SSH Port Number?

ssh  is default protocol used to manage remote systems which are mainly Linux and Network Devices. As it is working over network connection and uses TCP it has a default port number which is 22  . In this tutorial we will look how to change the default port number from...

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Debug Applications with gdb In Linux

gdb is the short form of GNU Debugger. Debugger is a tool used to search and find and get detailed information about bugs in applications binaries. gdb is popular in Linux community which is used by most of the IDE, Programming tools event in Android IDE’s. In this tutorial we will look...

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What Is Nagios?

Nagios is an open source system, network, application monitoring system. Nagios is designed to be run on Linux operating system or distributions like Ubuntu, Debian, CentOS etc. Architecture and Components Nagios is not a single component to run. Nagios is actually a suite which provides following components. Nagios IX Nagios...

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