01-07-2004
sssow,
Maybe you should elaborate on the problem you are trying to solve, rather than the solution you are trying to use. Why do you want to have port 80 be non-privliged?
Keith
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mccs(1) Debian User's Manual mccs(1)
NAME
mccs - package dependency solver
SYNOPSIS
mccs [options]
DESCRIPTION
mccs (which stands for Multi Criteria CUDF Solver) is a solver for package dependency problems expressed in the CUDF format. By default,
mccs reads a problem specification from standard input, and writes the solution to standard output.
OPTIONS FOR CONTROLLING INPUT
/OUTPUT
-i file
Read input from file file instead of standard input.
-o file
Write the solution to file instead of standard output.
-fo full solution output
-v n set verbosity level to n.
-h print this help
OPTIONS FOR SELECTING THE SOLVER ENGINE
By default, mccs uses the cbc solving engine.
-lpsolve
use lpsolve solver
-lp lpsolver
specify a solving engine that takes the cplex input format. lpsolver is the path of a script that takes as input the file name con-
taining the cplex input, and that produces the solution on standard output (an example for scip is given in
/usr/share/doc/mccs/engines/sciplp).
-pblib pbsolver
use pseudo-Boolean solver pbsolver as solving engine.
-nosolve
do not solve the problem (for debugging)
OPTIONS FOR CONTROLLING CONSTRAINT GENERATION
-noreduce
do not reduce the initial problem
-only-agregate-constraints
generate only agregate constraints
-only-desagregate-constraints
generate only deagregate constraints (default)
-all-constraints
generate all kind of constraints (ensure redundancy)
OPTIONS FOR CONTROLLING OPTIMIZATION
See the file /usr/share/doc/mccs/README.optimization-criteria for a full grammar of optimization criteria.
EXAMPLES
An example input file can be found at /usr/share/doc/mccs/examples/legacy.cudf.
mccs -i legacy.cudf
calls mccs on examples/legacy.cudf and prints the solution on stdout. With such a call mccs will resort to the default underlying solver
cbc and use a default criterion to solve the problem.
mccs -i legacy.cudf -o sol -lexagregate[-removed,-changed]
-lpsolve
Here, mccs puts the solution into the file "sol" and solves the problem using the lpsolve solver with the paranoid criterion, which con-
sists of first minimizing the number of removed packaged, and then the number of packages that change installation status or installed ver-
sion.
mccs -i legacy.cudf -o sol
-lexsemiagregate[-removed,-notuptodate,
-nunsat[recommends:,true],-new]
The criterion used here is the trendy criterion, which consists of first minimizing the number of package removals, then to minimize the
number of installed packages that are installed in a version older the most recent available version, then to minimize the number of recom-
mendations of installed packages that are not satisfied, and finally the number of newly installed packages.
AUTHOR
mccs has been written by Claude Michel <cpjm@polytech.unice.fr>. The development of mccs has been partly supported by the European research
project Mancoosi.
9 May 2011 mccs(1)