Ubuntu Manpage: parallel-slurp — parallel file download program

NAME

       parallel-slurp — parallel file download program

SYNOPSIS

       parallel-slurp  [-vAr]  [-h  hosts_file]  [-H  [user@]host[:port]]  [-l user] [-p par] [-o
       outdir] [-e errdir] [-t timeout] [-O options] [-x args]  [-X  arg]  [-L  localdir]  remote
       local

DESCRIPTION

       parallel-slurp is a program for copying files in parallel from a number of hosts using the
       scp program.  It provides features such as passing a password to  scp,  saving  output  to
       files, and timing out.

OPTIONS

-h host_file
--hosts host_file
Read hosts from the given host_file. Lines in the host file are of the form
[user@]host[:port] and can include blank lines and comments (lines beginning with
"#"). If multiple host files are given (the -h option is used more than once),
then parallel-slurp behaves as though these files were concatenated together. If a
host is specified multiple times, then parallel-slurp will connect the given number
of times.

-H [user@]host[:port]
--host [user@]host[:port]
-H "[user@]host[:port] [ [user@]host[:port ] ... ]"
--host "[user@]host[:port] [ [user@]host[:port ] ... ]"
Add the given host strings to the list of hosts. This option may be given multiple
times, and may be used in conjunction with the -h option.

-l user
--user user
Use the given username as the default for any host entries that don't specifically
specify a user.

-p parallelism
--par parallelism
Use the given number as the maximum number of concurrent connections.

-t timeout
--timeout timeout
Make connections time out after the given number of seconds. With a value of 0,
parallel-slurp will not timeout any connections.

-o outdir
--outdir outdir
Save standard output to files in the given directory. Filenames are of the form
[user@]host[:port][.num] where the user and port are only included for hosts that
explicitly specify them. The number is a counter that is incremented each time for
hosts that are specified more than once.

-e errdir
--errdir errdir
Save standard error to files in the given directory. Filenames are of the same
form as with the -o option.

-x args
--extra-args args
Passes extra SSH command-line arguments (see the ssh(1) man page for more
information about SSH arguments). This option may be specified multiple times.
The arguments are processed to split on whitespace, protect text within quotes, and
escape with backslashes. To pass arguments without such processing, use the -X
option instead.

-X arg
--extra-arg arg
Passes a single SSH command-line argument (see the ssh(1) man page for more
information about SSH arguments). Unlike the -x option, no processing is performed
on the argument, including word splitting. To pass multiple command-line
arguments, use the option once for each argument.

-O options
--options options
SSH options in the format used in the SSH configuration file (see the ssh_config(5)
man page for more information). This option may be specified multiple times.

-A
--askpass
Prompt for a password and pass it to ssh. The password may be used for either to
unlock a key or for password authentication. The password is transferred in a
fairly secure manner (e.g., it will not show up in argument lists). However, be
aware that a root user on your system could potentially intercept the password.

-v
--verbose
Include error messages from ssh with the -i and -e options.

-r
--recursive
Recursively copy directories.

-L localdir
--localdir localdir
Copy files from the remote host to the given local directory.

TIPS

       The ssh_config file can include an arbitrary number of Host  sections.   Each  host  entry
       specifies  ssh  options  which  apply  only  to the given host.  Host definitions can even
       behave like aliases if the HostName option is included.  This ssh feature, in  combination
       with parallel-ssh host files, provides a tremendous amount of flexibility.

EXIT STATUS

       The exit status codes from parallel-slurp are as follows:

       0      Success

       1      Miscellaneous error

       2      Syntax or usage error

       3      At least one process was killed by a signal or timed out.

       4      All  processes  completed,  but  at  least  one scp process reported an error (exit
              status other than 0).

AUTHORS

       Written by Brent N. Chun <bnc@theether.org> and Andrew McNabb <amcnabb@mcnabbs.org>.

       https://github.com/lilydjwg/parallel-ssh