Category: Linux

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How To Start and Use Tails Linux Distribution For Privacy, Security and Anonimity?

Tails is a Linux distribution where privacy, anonymity and security are aimed. The full name of the Tails is Amnesic Incognito Lice System. Tails is Debian based distributions which means most of the packages and package management system is derived from Debian. In this tutorial, we will learn how to...

What Is SHA-256 and How To Calculate In Python, PHP, JavaScript, Go, Java, PowerShell Programming Languages? 0

What Is SHA-256 and How To Calculate In Python, PHP, JavaScript, Go, Java, PowerShell Programming Languages?

Hash algorithms are the heart of the cryptography and security. SHA-256 is a Secure Hash Algorithm which will generate an output hash value in 256 bit. SHA-256 is designed by the National Security Agency  (NSA). SHA-256 is one of the cryptographic hash functions. SHA-256 is also named one-way function where...

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How To Start Browsers Like Chrome, Firefox, Opera, Edge, Explorer In Incognito Mode?

Privacy is an important topic of today IT. We as a human being needs privacy to protect our life private from others and companies. We use browsers in our daily life and put a lot of private or personal data on the browser. In order to protect our privacy, we...

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What Is Wireshark Network Traffic and Packet Analyzer?

Wireshark is a tool used to capture and analyze network traffic. Wireshark mainly used by network administrators and security professionals in order to inspect networks and find security vulnerabilities or malware behaviors. Live Capture Wireshark can capture network traffic of the given interface. Wireshark supports different interface types and protocols....

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Linux umask Command Tutorial with Examples, Numeric and Symbolic Representations

umask command is used to set default file and folder permission in  Linux operating system. File and folder permissions are important because the permission enables or deny different users, groups and others to access, read, write and execute of the given file. In this tutorial, we will learn how to use umask...

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What Is LDAP Protocol Port Number? Compare LDAP Ports 389 vs 636

Lightweight Directory Access Protocol or LDAP is used to authenticate and authorize users. LDAP is used in different infrastructures like Windows Domain, Linux, Network etc. LDAP uses different port numbers like 389 and 636. TCP 389 For LDAP The well-known port for LDAP is TCP 389. Both UDP and TCP transmission...

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How To Generate Random Numbers with rand() and srand() Functions in C and C++?

C and C++ programming languages provide rand() and srand() functions in order to create random numbers. Random numbers can be used for security, lottery etc. In this tutorial we will learn how to use a random number generating functions rand() and srand() with their attributes and specialties. Random Numbers Random numbers...

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What Is MD5 Hash Checksum? How To Create and Validate MD5?

MD5 is a checksum or hash calculation method for files. MD5 checksum consists of 128-bit value which is generally expressed as the hexadecimal format with which consist of 32 characters. MD5 Attributes MD5 is a cryptography algorithm which provides some attributes which make it useful for different cases like security, operation...

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What Is Online Certificate Status Protocol (OCSP) and Tutorial with Examples?

Certificates like SSL, X.509 are used to secure network traffic. But every certificate has its own life cycle in a distributed environment like the internet we should manage them. Online Certificate Status Protocol aka OCSP is used to manage certificates validity and lifecycle. OCSP standard is defined in RFC 6960 with...

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