PSSH (Parallel SSH) is an open-source tool for managing and executing commands on multiple servers simultaneously. It helps system administrators and developers to perform operations in a distributed environment in an efficient and secure manner. The tool is designed to run on most Unix-like operating systems, such as Linux, Solaris, and AIX. PSSH provides a powerful and flexible syntax for executing batch operations and commands in parallel, as well as for managing multiple servers. It supports various authentication methods, including password-based authentication, public key authentication, and Kerberos. Additionally, it provides features such as SSH tunneling, logging, and command-line options. PSSH is a great tool for managing large-scale deployments, as well as for automating routine tasks.
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