What Is SSH (Secure Shell)?

SSH or Secure Shell is a network protocol used to connect remote systems in a secure way. The SSH provides easy access to the remote systems command-line interface. SSH is very popular between network devices, Linux systems in order to access their management command-line interfaces. SSH provides authentication and authorization features and asks for login … Read more

Using SSH Configuration File

Using SSH Configuration File

SSH is a popular remote management protocol that is secure, flexible, easy to use. SSH provides a lot of features in order to make SSH usage easy and straightforward. As SSH provides a lot of different features these features can be configured in different ways. The most interactive way is using parameters with the ssh … Read more

netstat Command Tutorial In Linux with Example

netstat Command Tutorial In Linux with Example

The netstat command is used to display network connections for network protocols like TCP and UDP. The netstat can display routing tables, network interfaces, network protocol statistics, open ports, etc. Both Linux distributions and Windows operating systems provide the netstat command. In this tutorial, we examine different usage examples for the netstat command. netstat Command … Read more

Linux telnet Command Tutorial

Linux telnet Command Tutorial

Telnet is a network protocol and tool used to connect remote systems via a command-line interface. Similar to SSH, telnet can be used to manage remote systems. Telnet use the TCP port 23. Event the telnet is created by Microsoft it is popularly used Linux and network systems. In this tutorial we examine how to … Read more

rsync Command Tutorial with Examples

rsync Command Tutorial with Examples

The rsync is a utility to transfer and synchronize files and folders between different computers in an efficient and secure way. The rsync command is provided by all Linux distributions, Unix systems. The rsync command provides easy synchronization, compression for network optimization, multithread performance, etc. In this tutorial, we examine how can we use the … Read more

Copy From Local To Remote with SCP Command

Copy From Local To Remote with SCP Command

The scp command can copy files securely from the local system to the remote system via the network. During the copy from local to remote the transmitted data is encrypted which makes this copy secure. Also, specified local directories or files can be copied recursively to the remote system. In this tutorial, we will examine … Read more

Copy Files and Directories Recursively with SCP

Copy Files and Directories Recursively with SCP

The scp is a command and tool used to copy files and directories between two systems over the network. The scp command is generally used for Linux and network systems but also supports Windows operating systems. One of the most useful features of the scp command is copying files and directories recursively. In this tutorial, … Read more

SSH “Error Permission Denied(publickey)” Error and Solution

SSH "Error Permission Denied(publickey)" Error and Solution

During establishing an SSH connection you may get the “Error permission denied (publickey)” error. This error prevents you from connecting to the remote system via SSH. The remote system can be Linux, Ubuntu, Mint, Kali, Linode Server, Digital Ocean Server or AWS server, etc. This error is generated because of cryptographic keys. “Error Permission Denied(publickey)” … Read more

How To Enable SSH on Ubuntu (All Versions)?

How To Enable SSH on Ubuntu (All Versions)?

SSH (Secure Shell) is a protocol created to connect and manage systems remotely in a secure manner. SSH is the most popular protocol to manage Linux and Network systems via a command-line interface. As a Linux distribution, Ubuntu supports the SSH protocol as an SSH server and SSH client. In this tutorial we will learn … Read more