This is the command uux that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
uux - Remote command execution over UUCP
SYNOPSIS
uux [ options ] command
DESCRIPTION
The uux command is used to execute a command on a remote system, or to execute a command
on the local system using files from remote systems. The command is not executed
immediately; the request is queued until the uucico (8) daemon calls the system and
executes it. The daemon is started automatically unless one of the -r or --nouucico
options is given.
The actual command execution is done by the uuxqt (8) daemon.
File arguments can be gathered from remote systems to the execution system, as can
standard input. Standard output may be directed to a file on a remote system.
The command name may be preceded by a system name followed by an exclamation point if it
is to be executed on a remote system. An empty system name is taken as the local system.
Each argument that contains an exclamation point is treated as naming a file. The system
which the file is on is before the exclamation point, and the pathname on that system
follows it. An empty system name is taken as the local system; this must be used to
transfer a file to a command being executed on a remote system. If the path is not
absolute, it will be appended to the current working directory on the local system; the
result may not be meaningful on the remote system. A pathname may begin with ~/, in which
case it is relative to the UUCP public directory (usually /usr/spool/uucppublic or
/var/spool/uucppublic) on the appropriate system. A pathname may begin with ~name/, in
which case it is relative to the home directory of the named user on the appropriate
system.
Standard input and output may be redirected as usual; the pathnames used may contain
exclamation points to indicate that they are on remote systems. Note that the redirection
characters must be quoted so that they are passed to uux rather than interpreted by the
shell. Append redirection (>>) does not work.
All specified files are gathered together into a single directory before execution of the
command begins. This means that each file must have a distinct base name. For example,
uux 'sys1!diff sys2!~user1/foo sys3!~user2/foo >!foo.diff'
will fail because both files will be copied to sys1 and stored under the name foo.
Arguments may be quoted by parentheses to avoid interpretation of exclamation points.
This is useful when executing the uucp command on a remote system.
A request to execute an empty command (e.g., uux sys!) will create a poll file for the
specified system.
The exit status of uux is one of the codes found in the header file sysexits.h. In
particular, EX_OK ( 0 ) indicates success, and EX_TEMPFAIL ( 75 ) indicates a temporary
failure.
OPTIONS
The following options may be given to uux.
-, -p, --stdin
Read standard input and use it as the standard input for the command to be executed.
-c, --nocopy
Do not copy local files to the spool directory. This is the default. If they are
removed before being processed by the uucico (8) daemon, the copy will fail. The
files must be readable by the uucico (8) daemon, as well as the by the invoker of
uux.
-C, --copy
Copy local files to the spool directory.
-l, --link
Link local files into the spool directory. If a file can not be linked because it is
on a different device, it will be copied unless one of the -c or --nocopy options
also appears (in other words, use of --link switches the default from --nocopy to
--copy). If the files are changed before being processed by the uucico (8) daemon,
the changed versions will be used. The files must be readable by the uucico (8)
daemon, as well as by the invoker of uux.
-g grade, --grade grade
Set the grade of the file transfer command. Jobs of a higher grade are executed
first. Grades run 0 ... 9 A ... Z a ... z from high to low.
-n, --notification=no
Do not send mail about the status of the job, even if it fails.
-z, --notification=error
Send mail about the status of the job if an error occurs. For many uuxqt daemons,
including the Taylor UUCP uuxqt, this is the default action; for those,
--notification=error will have no effect. However, some uuxqt daemons will send mail
if the job succeeds unless the --notification=error option is used, and some other
uuxqt daemons will not send mail if the job fails unless the --notification=error
option is used.
-r, --nouucico
Do not start the uucico (8) daemon immediately; merely queue up the execution request
for later processing.
-j, --jobid
Print jobids on standard output. A jobid will be generated for each file copy
operation required to perform the operation. These file copies may be cancelled by
passing the jobid to the --kill switch of uustat (1), which will make the execution
impossible to complete.
-a address, --requestor address
Report job status to the specified e-mail address.
-x type, --debug type
Turn on particular debugging types. The following types are recognized: abnormal,
chat, handshake, uucp-proto, proto, port, config, spooldir, execute, incoming,
outgoing. Only abnormal, config, spooldir and execute are meaningful for uux.
Multiple types may be given, separated by commas, and the --debug option may appear
multiple times. A number may also be given, which will turn on that many types from
the foregoing list; for example, --debug 2 is equivalent to --debug abnormal,chat.
-I file, --config file
Set configuration file to use. This option may not be available, depending upon how
uux was compiled.
-v, --version
Report version information and exit.
--help
Print a help message and exit.
EXAMPLES
uux -z - sys1!rmail user1
Execute the command ``rmail user1'' on the system sys1, giving it as standard input
whatever is given to uux as standard input. If a failure occurs, send a message using
mail (1).
uux 'diff -c sys1!~user1/file1 sys2!~user2/file2 >!file.diff'
Fetch the two named files from system sys1 and system sys2 and execute diff putting the
result in file.diff in the current directory. The current directory must be writable by
the uuxqt (8) daemon for this to work.
uux 'sys1!uucp ~user1/file1 (sys2!~user2/file2)'
Execute uucp on the system sys1 copying file1 (on system sys1) to sys2. This illustrates
the use of parentheses for quoting.
RESTRICTIONS
The remote system may not permit you to execute certain commands. Many remote systems
only permit the execution of rmail and rnews.
Some of the options are dependent on the capabilities of the uuxqt (8) daemon on the
remote system.
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