For example, the command. This option also displays the locuser and remuser being sent to rshd. This option is useful for determining the exact case of your domain and user names, which must be correct in the. This can also be specified by including username hostname on the command line.
All output is sent to standard output. This is useful when you are running an interactive command. For example,. If you are having trouble connecting to rshd on a remote host, here are some possible solutions to your problems.
If you are receiving a " permission denied " error, it could be for one of the following reasons:. There is no entry for the remuser on the remote host in either the global hosts. Check these files to ensure that an entry exists for remuser on the machine you are connecting from. You can use rsh -D to determine the names being sent as locuser and remuser. This should display the name of your machine in parentheses at the end of the information line. If you cannot find the machine name using this method, consult the UNIX system's administrator.
A hosts. On remote hosts running MKS Toolkit rshd , you cannot depend on the locuser 's HOME environment variable correctly identifying that user's home directory.
In such a case, rshd uses a reasonable default as the home directory. For instructions on setting and viewing environment variables, see your Operating System's online help. You are prompted for locuser 's password and the home directory for locuser is then displayed. This is the directory where the. If you are receiving a " could not retrieve password " error when attempting to connect to a remote host running the MKS Toolkit rshd service, it most likely means that the rsetup command has not been used to create an entry in the LSA database for locuser.
If you are receiving connection to server failed error, it usually implies that either there is no rshd service or daemon running on the remote host or that there were more concurrent rsh requests than the remote host could handle.
Most versions of rshd have a limit to the length of user name they can handle. On some UNIX systems, this limit is as low as 14 characters. As a result, you may receive an error message stating that either remuser or locuser is too long. On some systems, this command is sometimes called remsh or rcmd. It executes the command on the other system and returns the program 's standard output and standard error output.
The other system must be running a remote shell daemon rshd to handle the incoming rsh command. Unix and Linux systems include a remote shell daemon, but Windows does not. The rsh command does not require you to enter a password for the other system.
Trust is established by defining host equivalency. The difference between rsh and rexec is that rexec requires you to specify a valid password for the other system and rsh does not. The other system must be running a remote exec daemon rexecd to handle the incoming rexec command. Most Unix and Linux systems include a remote exec daemon, but Windows does not. What is RCP? It works like a "copy" command, where you specify a source and a destination, except that the source or destination of the copy can be the hostname or IP address of another system.
It can also copy multiple files using wildcards for example and recursively copy entire directory trees.
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