Recompiling and uninstalling existing applications


 
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Old 05-01-2012
Recompiling and uninstalling existing applications

Hi everyone,

I'm new-ish to Unix outside of being a basic user in the past. So some background on my experience level when asking this question.

My current laptop, running OS X 10.5, had Apache and PHP installed when I bought it. However I need to recompile these now to add features which weren't included 'out of the box'.

Questions:
- Do I need to do anything to 'uninstall' these existing versions of the software before the recompile?
- Do I need to delete the binaries/libraries/other directories/etc of a program I am going to be recompiling (if this isn't answered by the above question) or will this automatically be taken care of?
- How can I make sure I don't leave anything 'hanging around' when I do uninstall a program? Or recompile?
- What resources can I read to learn more about all of this and related?

Thanks!
Charles
 
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Apache::Session::Lock::Sybase(3pm)			User Contributed Perl Documentation			Apache::Session::Lock::Sybase(3pm)

NAME
Apache::Session::Lock::Sybase - Provides mutual exclusion using Sybase SYNOPSIS
use Apache::Session::Lock::Sybase; my $locker = new Apache::Session::Lock::Sybase; $locker->acquire_read_lock($ref); $locker->acquire_write_lock($ref); $locker->release_read_lock($ref); $locker->release_write_lock($ref); $locker->release_all_locks($ref); DESCRIPTION
Apache::Session::Lock::Sybase fulfills the locking interface of Apache::Session. Mutual exclusion is achieved through the use of Sybase's sp_getapplock and sp_releaseapplock functions. Sybase does not support the notion of read and write locks, so this module only supports exclusive locks. When you request a shared read lock, it is instead promoted to an exclusive write lock. CONFIGURATION
The module must know how to connect to your MySQL database to acquire locks. You must provide a datasource name, a user name, and a password. These options are passed in the usual Apache::Session style, and are very similar to the options for Apache::Session::Store::Sybase. Example: tie %hash, 'Apache::Session::Sybase', $id, { LockDataSource => 'dbi:sybase:database', LockUserName => 'database_user', LockPassword => 'K00l' }; Instead, you may pass in an already opened DBI handle to your database. tie %hash, 'Apache::Session::Sybase', $id, { LockHandle => $dbh }; AUTHOR
This module was written by Oliver Maul <oli@42.nu>. SEE ALSO
Apache::Session perl v5.10.1 2010-10-18 Apache::Session::Lock::Sybase(3pm)