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Secure Shell (SSH) is a protocol allowing secure remote login to a computer on a network using public-key cryptography.SSH client programs (such as ssh from OpenSSH) typically run for the duration of a remote login session and are configured to look for the user's private key in a file in the user's home directory (e.g., .ssh/id_rsa).
The OpenSSH server can authenticate users using the standard methods supported by the SSH protocol: with a password; public-key authentication, using per-user keys; host-based authentication, which is a secure version of rlogin 's host trust relationships using public keys; keyboard-interactive, a generic challenge–response mechanism, which ...
PuTTY user manual (copy from 2022) PuTTY (/ ˈ p ʌ t i /) [4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port. The name "PuTTY" has no official meaning.
SSH operates as a layered protocol suite comprising three principal hierarchical components: the transport layer provides server authentication, confidentiality, and integrity; the user authentication protocol validates the user to the server; and the connection protocol multiplexes the encrypted tunnel into multiple logical communication channels.
An SSH client is a software program which uses the secure shell protocol to connect to a remote computer. This article compares a selection of notable clients. This article compares a selection of notable clients.
The command above gives the current user root access to a server over ssh, by installing the user's public key to the server's key authorization list. In Bash, the output can be filtered before being written to the file—without affecting the output displayed—by using process substitution. For example,
chroot — Run command within a new root directory. chrt — Get/set a process' real-time scheduling policy and priority. chsh — Change your login shell. chvt — Change to virtual terminal number N. cksum — For each file, output crc32 checksum value, length and name of file. clear — Clear the screen. cmp — Compare the contents of two ...
Web-based SSH is the provision of Secure Shell (SSH) access through a web browser. SSH is a secure network protocol that is commonly used to remotely control servers, network devices, and other devices. With web-based SSH, users can access and manage these devices using a standard web browser, without the need to install any additional software.