Manage Cygwin packages in command-line (without using graphical Setup.exe)

[Salokine Terata]

Dear Cygwin users,

I have installed Cygwin on few PC; To install Cygwin, I use graphical setup method to install vim, rsync and openssh packages.

Now I would like to install cron on all PC. Could I use SSH service and a command line to install cron package ?

How can manage Cygwin without go on all PC and reload Setup.exe.

My goal is to manage all my PC with my server via "dsh -f list.pc.txt -- aptitude -y install cron" or something like.
Is there an equivalent of aptitude or apt-tools ?
How to manage the cygwin distribution (update package list from repository and upgarde all cygwin)

I found Setup.exe options: http://sources.redhat.com/ml/cygwin-apps/2003-03/msg00526.html
But I don't understand how manage list of packages.

Optional Question: Is there an official wiki for Cygwin project ?

Best regards.
Salokine.

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