What is SSH in Linux

Introduction SSH (Secure Shell) is an essential security protocol, most popular and widely used protocol to manage┬áremote access to linux systems over the internet. It is important tool for system administrators and web developers because it provides an extra layer of security when accessing sensitive data or services, as well as execute commands on the …

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The Benefits of IPv6 and Why Businesses Should Upgrade to IPv6

Introduction: What is IPv6 and How Does it Impact Internet Connectivity? The Internet Protocol Version 6 (IPv6) is the latest version of the Internet Protocol, and it has been designed to replace IPv4. This new protocol provides more efficient routing of data packets, improved security, and increased address space. As a result, IPv6 is becoming …

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How to Install openssl 1.1.1 (TLS 1.3) on CentOS 7

OpenSSL is an open source software library that provides Secure Sockets Layer (SSL) encryption and other security protocols for secure data transmission over the internet. It is used in many products and services, including web servers, email servers, file transfer protocols, virtual private networks (VPNs), and more. Installing the latest version of OpenSSL is essential …

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How to Fix “-bash: telnet: command not found”

Telnet is a communication protocol that enables two computers or servers to communicate with each other over the network. It is used to establish a connection between two computers, allowing them to exchange data and commands. Telnet is used in many different applications and scenarios, from remote access to file transfer. Telnet is a great …

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Why sudo is used in Linux

In linux, the root user is equivalent to the Administrator user on Windows. When you run the linux system administration especially in the critical systems, by allowing staff to use root all the time to perform administration and maintenance that will risk your organization and will vulnerable to security incident. For example, if there is …

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