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What is ControlPersist?

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What is ControlPersist?

ControlPath sets the location for the control socket used by the multiplexed sessions. These can be either globally or locally in ssh_config(5) or else specified at run time. Control sockets are removed automatically when the master connection has ended. ControlPersist can be used in conjunction with ControlMaster.

What is ssh Control master?

OpenSSH has an option called ControlMaster that enables the sharing of multiple sessions over a single network connection. This means that you can connect to the cluster once, enter your password and verification code, and have all other subsequent ssh sessions (including svn , rsync , etc.

What is ssh multiplexing?

SSH multiplexing is the ability to carry multiple SSH sessions over a single TCP connection. OpenSSH can reuse an existing TCP connection for multiple concurrent SSH sessions. This results into reduction of the overhead of creating new TCP connections.

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What is ControlPath?

A control path is the path for SCSI Medium Changer commands sent by a server to control a specific logical library. When a server communicates with the library, it sends the communication by way of an LTO or 3592 tape drive. The tape drive is designated as a control path.

What is ControlPersist SSH?

Without ControlPersist , once the first SSH session you open is closed, all other sessions on that connection are closed as well. In contrast, with ControlPersist set, the master connection will remain open for the specified number of seconds after your last SSH session on that connection has exited.

What is SSH server and its use?

SSH is a protocol for securely exchanging data between two computers over an untrusted network. SSH protects the privacy and integrity of the transferred identities, data, and files. It ships standard on UNIX, Linux, and macOS machines and it is used in over 90\% of all data centers in the world. …

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What is SSH Server and its use?

What is Ansible ControlPersist?

ControlPersist is an SSH feature that keeps the connection to the server open as a socket, ready to reuse between invocations. With this on, Ansible can avoid reconnecting to hosts for each task. Ansible actually has it on by default, with the sockets stored in the directory indicated by control_path .

What is SSH Linux?

ssh stands for “Secure Shell”. It is a protocol used to securely connect to a remote server/system. ssh is secure in the sense that it transfers the data in encrypted form between the host and the client. It transfers inputs from the client to the host and relays back the output.

Why is SSH needed?

SSH secures network client/server communications by authenticating both endpoints with a digital certificate and by encrypting passwords. SSH is more secure than telnet and other shell based communication methods, and is used to manage web servers and other remote servers.

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What are the features of Ansible?

Ansible Features

  • Configuration Management. Ansible is designed to be very simple, reliable, and consistent for configuration management.
  • Application Deployment. Ansible lets you quickly and easily deploy multitier apps.
  • Orchestration.
  • Security and Compliance.
  • Cloud Provisioning.
  • Modules.
  • Plugins.
  • Inventories.

What is SSH in Unix?

SSH or Secure Shell is a network communication protocol that enables two computers to communicate (c.f http or hypertext transfer protocol, which is the protocol used to transfer hypertext such as web pages) and share data.