Cygwin

README.txt

Download http://cygwin.org/setup.exe 
Save as c:\opt\cygwin\setup.exe

Store packages at c:\opt\cygwin\package

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See also https://gist.github.com/1059810 for a "cygwin-here" registry modificatioon. 

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Find out the cygwin package a file/program belongs to: http://cygwin.com/packages/

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# permissions

  mkgroup -l > /etc/groups
  mkpasswd -l > /etc/passwd  

# SSH host setup:

  ssh-host-config

  Value of CYGWIN = binmode ntsec 

In case of an error message regarding permissions of /var run the following and repeat ssh-host-config afterwards:

  chmod 755 /var
  chmod ug-s /var

(from http://serverfault.com/questions/209480/cgywin-issue-setting-var-permissions-for-ssh )



# SSHd config

  nano /etc/sshd_config

  Port 22
  Port 22000
  AllowUsers remoteuser1 remoteuser2 cygwinuser*

# query service:

   cygrunsrv -Q sshd

# start service:

   cygrunsrv -S sshd

# or:

  net start sshd

# stop service:

   cygrunsrv -E sshd

# create client keys and set permissions (as user):

  ssh-user-config

# create keys for users (as user)

  ssh-keygen
  

cygwin-update.cmd

rem Update Script for unattended package install, includes a list of packages
c:
cd c:\cygwin
setup.exe -q -P screen,inetutils,util-linux,less,ncurses,openssh,mc,perl,vim,nano,rxvt,wget,curl,whois,procps

cygwin.cmd

@echo off
set CYGWIN=binmode ntsec

rem # CYGWIN=tty - "tty" option in CYGWIN environment variableis 
rem # Is no longer supported.  
rem # Use a terminal emulator like mintty, xterm, or rxvt.

C:
chdir C:\bin
bash --login -i