Sshpass introduction and installation

Introduction to sshpass and sshpass installation: you cannot specify a password for ssh login in the command line. The appearance of sshpass solves this problem. It allows you to use the-p parameter to specify the plaintext password and then directly log on to the remote server. it supports the password from command lines, files, and environment variables... introduction to sshpass and sshpass installation: you cannot specify a password for ssh login in the command line. The appearance of sshpass solves this problem. It allows you to use the-p parameter to specify the plaintext password and then directly log on to the remote server. it supports reading the password from command lines, files, and environment variables. Install sshpass: Source code: http://sourceforge.net/projects/sshpass/ Tar-zxvf sshpass-1.05.tar.gzcd sshpass-1.05./configuremake & make install after installation is complete input sshpass prompts that the installation is successful: [root @ test ~] # SshpassUsage: sshpass [-f |-d |-p |-e] [-hV] command parameters-f filename Take password to use from file-d number Use number as file descriptor for getting password -p password Provide password as argument (security unwise) -e Password is passed as env-var "SSHPASS" With no parameters-password will be taken from stdin-h Show help (this screen) -V Print version informationAt most one of-f,-d, -P or-e shoshould be used [root @ test ~] #