2005-05-18 Brian Dessent <brian@dessent.net>
* install.texinfo ("How do I uninstall..."): Rewrite to cover
removing services, dealing with permissions, and other common
tasks for removing Cygwin completely.
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2005-05-18 Brian Dessent <brian@dessent.net>
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* install.texinfo ("How do I uninstall..."): Rewrite to cover
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removing services, dealing with permissions, and other common
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tasks for removing Cygwin completely.
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2005-05-08 Joshua Daniel Franklin <joshuadfranklin@yahoo.com>
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2005-05-08 Joshua Daniel Franklin <joshuadfranklin@yahoo.com>
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* how-programming.texinfo: Replace MAKE_MODE entry with FAQ about
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* how-programming.texinfo: Replace MAKE_MODE entry with FAQ about
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@ -252,30 +252,60 @@ the action reads ``Uninstall''. Proceed by clicking ``Next''.
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@subsection How do I uninstall @strong{all} of Cygwin?
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@subsection How do I uninstall @strong{all} of Cygwin?
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Setup has no automatic uninstall facility. Just delete everything
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Setup has no automatic uninstall facility. The recommended method to remove all
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manually:
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of Cygwin is as follows:
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@itemize @bullet
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@enumerate
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@item Cygwin shortcuts on the Desktop and Start Menu
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@item The registry tree @samp{Software\Cygnus Solutions} under
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@item Remove all Cygwin services. If a service is currently running, it must
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@code{HKEY_LOCAL_MACHINE} and/or @code{HKEY_CURRENT_USER}.
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first be stopped with @samp{cygrunsrv -E name}, where @samp{name}
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is the name of the service. Then use @samp{cygrunsrv -R name} to uninstall the
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service from the registry. Repeat this for all services that you installed.
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Common services that might have been installed are @code{sshd}, @code{cron},
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@code{cygserver}, @code{inetd}, @code{apache}, and so on.
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@item Anything under the Cygwin root folder, @samp{C:\cygwin} by
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@item Stop the X11 server if it is running, and terminate any Cygwin programs
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default.
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that might be running in the background. Remove all mount information by typing
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@samp{umount -A} and then exit the command prompt and ensure that no Cygwin
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@item Anything created by setup in its temporary working directory.
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processes remain. Note: If you want to save your mount points for a later
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reinstall, first save the output of @samp{mount -m} as described at
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@end itemize
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It's up to you to deal with other changes you made to your system, such
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as installing the inetd service, altering system paths, etc. Setup
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would not have done any of these things for you.
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If you want to save your mount points for a later reinstall, save the
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output of @samp{mount -m} as described at
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@file{http://cygwin.com/cygwin-ug-net/using-utils.html#mount}.
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@file{http://cygwin.com/cygwin-ug-net/using-utils.html#mount}.
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@item Delete the Cygwin root folder and all subfolders. If you get an error
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that an object is in use, then ensure that you've stopped all services and
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closed all Cygwin programs. If you get a 'Permission Denied' error then you
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will need to modify the permissions and/or ownership of the files or folders
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that are causing the error. For example, sometimes files used by system
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services end up owned by the SYSTEM account and not writable by regular users.
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The quickest way to delete the entire tree if you run into this problem is to
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change the ownership of all files and folders to your account. To do this in
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Windows Explorer, right click on the root Cygwin folder, choose Properties, then
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the Security tab. Select Advanced, then go to the Owner tab and make sure your
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account is listed as the owner. Select the 'Replace owner on subcontainers and
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objects' checkbox and press Ok. After Explorer applies the changes you should
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be able to delete the entire tree in one operation. Note that you can also
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achieve this in Cygwin by typing @samp{chown -R user /} or by using other tools
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such as CACLS.EXE.
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@item Delete the Cygwin shortcuts on the Desktop and Start Menu, and anything
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left by setup.exe in the download directory. However, if you plan to reinstall
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Cygwin it's a good idea to keep your setup.exe download directory since you can
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reinstall the packages left in its cache without redownloading them.
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@item If you added Cygwin to your system path, you should remove it unless you
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plan to reinstall Cygwin to the same location. Similarly, if you set your
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CYGWIN environment variable system-wide and don't plan to reinstall, you should
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remove it.
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@item Finally, if you want to be thorough you can delete the registry tree
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@samp{Software\Cygnus Solutions} under @code{HKEY_LOCAL_MACHINE} and/or
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@code{HKEY_CURRENT_USER}. However, if you followed the directions above you
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will have already removed all the mount information which is typically the only
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thing stored in the registry.
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@end enumerate
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@subsection How do I install snapshots?
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@subsection How do I install snapshots?
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First, are you sure you want to do this? Snapshots are risky. They
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First, are you sure you want to do this? Snapshots are risky. They
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