pkgsync(8) [debian man page]

PKGSYNC(8)						      System Manager's Manual							PKGSYNC(8)

NAME

       pkgsync - Automated package synchronization tool

SYNOPSIS

       pkgsync

DESCRIPTION

       pkgsync	is  a  tool  for  keeping multiple machines reasonably similar and clean. Packages can either be in a `must be installed', `may be
       installed' or `must not be installed' list (which is presumed to be distributed separately  using  a  tool  such  as  rdist  or	cfengine).
       pkgsync	will  take care of meeting the demands put down in the lists, and then removing everything that is not in the `must' or `may' list
       and is not necessary for their operations (as determined by aptitude).

OPTIONS

       -h, --help
	      Print a short help text and exit.

       -s, --simulate
	      Do everything as usual, but put aptitude in simulation mode, causing it to never do any changes (except update and autoclean,  which
	      should both be harmless) to your system. This is especially useful on a new system to make sure pkgsync behaves as expected.

	      Note  that aptitude prints out its intended actions _before_ running the conflict resolver. If there's a conflict somewhere, chances
	      are that the results on your system will be different from what aptitude prints out.

       -k, --keep-unused
	      Instruct aptitude to not remove cruft (ie. unused packages); this is morally equivalent to having an "*" entry in mayhave.

       -d, --dpkg-glob
	      When encountering a wildcard pattern, pkgsync tries to `un-glob' it.  Traditionally, this was done using dpkg -- however,  in  later
	      versions	one can use aptitude instead. Using aptitude is a little slower, but the syntax is a lot more flexible, supporting regular
	      expressions and various searches on fields. Giving --dpkg-glob makes pkgsync use dpkg, which is not very useful except for backwards
	      compatibility.

       -a, --aptitude-glob
	      Use aptitude's globbing instead of dpkg's globbing (see above). This option is the default.

SEE ALSO

       /usr/share/doc/pkgsync/README.Debian (complete tutorial and reference documentation)

AUTHOR

       pkgsync is Copyright 2004-2007 Steinar H. Gunderson <sgunderson@bigfoot.com>.

																	PKGSYNC(8)

eatmydata(1)						      General Commands Manual						      eatmydata(1)

NAME

       eatmydata - transparently disable fsync() and other data-to-disk synchronization calls

SYNOPSIS

       eatmydata [--] command [ command arguments ... ]

DESCRIPTION

       eatmydata runs a command in the environment where data-to-disk synchronization calls (like fsync(), fdatasync(), sync(), msync() and open()
       O_SYNC / O_DSYNC flags) have no effect. LD_PRELOAD library libeatmydata overrides respective C library calls  with  custom  functions  that
       don't trigger synchronization but return success nevertheless.

       You  may use eatmydata in two ways. In normal mode, just execute eatmydata directly and pass a command-to-be-run and its arguments via com-
       mand line. In order to use symlink mode, create a symlink to /usr/bin/eatmydata with the filename (a.k.a basename) of  another  program	in
       the  PATH and execute eatmydata via that symlink. Then eatmydata will find that program in the PATH and run it in the libeatmydata environ-
       ment repassing all command line options.

OPTIONS

       Please note that eatmydata does not process any command line options in symlink mode. All command line options  will  be  repassed  to  the
       underlying executable as-is.

       command
	      The  command  to	execute. It may be either a full path or the name of the command in PATH. In case command cannot be found in PATH,
	      eatmydata will fail.

       command arguments
	      Arbitrary number of arguments to pass to the command being executed.

       --     Optional command separator for compatibility with similar utilities. Ignored at the moment.

EXAMPLES

       Given PATH is /usr/bin and both /usr/bin/aptitude and /usr/bin/eatmydata are installed, the following:

	   $ ln -s /usr/bin/eatmydata ./aptitude
	   $ ./aptitude moo

       is equivalent to:

	   $ eatmydata -- aptitude moo

       Therefore, you may use symlink mode to automatically run specific programs in the libeatmydata environment whenever you run them from PATH.
       For example, given standard PATH settings, just do:

	   # ln -s /usr/bin/eatmydata /usr/local/bin/aptitude

       and enjoy sync-free aptitude system-wide.

AUTHOR

       The eatmydata wrapper around libeatmydata LD_PRELOAD library was written by Modestas Vainius <modax@debian.org>

								   November 2010						      eatmydata(1)