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SSH KEY

What is SSH Key?

SSH (Secure Shell) Key is a tool used as an identity or authentication to an SSH server using cryptography.

RSA (Rivest-Shamir-Adleman)cryptosystem is one of the first practical public-key cryptosystems and is widely used for secure data transmission. 85 more words

Linux Tutorials

Command Line Metacharacters

Metacharacters

We often want to refer to a group of files or directories that have a common characteristic. To do this, there are some small constructs which helps the user to filter the needed files. 500 more words

CentOS

Directories and their role

As you already know, in Windows just after the install there are a few standard directories like: Windows, Program Files, Documents and Settings/Users. In Linux a similar structure exists but with much more directories. 314 more words

CentOS

Using help in Linux

Before you start this tutorial is better to know how to get help and details about the commands, when you need it. There are several ways to get help about the commands, but I will present only the most important ones: 194 more words

CentOS

Linux Beginner’s Guide Part 6

Network Configuration

The ifconfig command is used to view the current network configuration for ethernet cards and iwconfig displays the network configuration for wireless cards. 539 more words

CentOS

Linux Beginner’s Guide Part 5

Installing Packages/Applications/Software

The yum (apt-get or apt in Ubuntu) command is used to install new packages and to update/upgrade the operating system, it requires administrative access, so it must be used with sudo. 358 more words

CentOS