PuTTY is a free, highly configurable and open-source SSH client which makes it convenient to connect to a remote server and transfer files over the network. For generating a private key for authentication, the PuTTYgen tool is used. It offers a higher cryptographic strength which is difficult to achieve with long passwords.
Public key authentication is used for interactive and automated connections. Public key authentication is also supported by PuTTY. It is also available for installation on Fedora or Red Hat based Linux system, and the default package manager does that job for it. It will display information about the application such as version, architecture, and description. It will prompt you to enter the username and password if you have the required access. Note: The command would make sure that Ubuntu installs the latest version of PuTTY, in case, it might install the older versions of the software. Before starting with the installation process, update the packages and repositories of Ubuntu using the command. As a prerequisite, it is necessary to make sure whether the universe repository of Ubuntu is enabled or not. Let us look at the steps of installing the server application on a Ubuntu machine. Why PuTTY? There is already a Linux terminal in the Linux Operating System. In various enterprises, many IT projects have their development environment on a remote Linux system where Windows is used as the local system. The Linux version is a graphical terminal program which is not pre-installed in most of the Linux distributions. The network file transfer application supports many protocols including the popular SSH and Telnet clients. PuTTY, the open-source and free to download software, provides an easy way to access a Unix shell environment from a windows system. These panels allow configuration of session-related options like changing the mode for negotiation between the server and client, allowing an automated form of login on the server, etc. It can also specify the terminal needs using this panel. The auto-login option dismisses the need to type the username every time. With the option, users can select between the old and new protocols. The panel has options that solve any issues when closing of connections while a window is idle. Users can change the course of copy-pasting or the actions of mouse-buttons in Unix environment by making appropriate changes in this panel.
Under this panel, the appearance of the cursor, the font in the terminal window or even control the window border can be changed. Many other configurations can be made using this feature. The option allows to predefine a fixed size of the PuTTY window and control the scrolling.
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