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Top Forums UNIX for Beginners Questions & Answers Best performance UNIX just for HOST Virtualization? Post 303012049 by mbzadegan on Sunday 28th of January 2018 11:48:26 PM
Old 01-29-2018
Question

Quote:
Originally Posted by Neo
My experience is that major Linux updates to PHP and Apache2 can and do break things.

It has to break things in many circumstances because, for example, the Apache2 configuration file for the latest version of Apache2 / PHP7 does not work with PHP 5.X versions, of PHP/Apache2, etc.

So, Apache2 will break during some major upgrades and so will PHP code.

Also, PHP code which is DEPRECATED in PHP7 will break when upgrading to PHP7.

You must be very careful upgrading if you do not want a lot of unexpected downtime; and if you are just doing the upgrade on personal server, that might be OK; but if you are upgrading a production server, one odd config file change or incompatibility can ruin your day for sure.
What is related to the virtualization subject?SmilieSmilie
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Apache2::SiteControl::GrantAllRule(3pm) 		User Contributed Perl Documentation		   Apache2::SiteControl::GrantAllRule(3pm)

NAME
Apache2::SiteControl::GrantAllRule - A rule that grants permission to do everything. SYNOPSIS
In your instance of a ManagerFactory: use Apache2::SiteControl::GrantAllRule; ... sub getPermissionManager { ... $manager->addRule(new Apache2::SiteControl::GrantAllRule); ... return $manager; } DESCRIPTION
Apache2::SiteControl::GrantAllRule is a pre-built rule that grants access for all permission requests. This rule can be used to help implement a system that has a default policy of allowing access, and to which you add rules that deny access for specific cases. Note that the loose type checking of Perl makes this inherently dangerous, since a typo is likely to fail to deny access. It is recommended that you take the opposite approach with your rules, since a typo will err on the side of denying access. The former is a security hole, the latter is a bug that people will complain about (so you can fix it). SEE ALSO
Apache2::SiteControl::ManagerFactory, Apache::SiteControl::PermissionManager, Apache2::SiteControl::Rule AUTHOR
This module was written by Tony Kay, <tkay@uoregon.edu>. COPYRIGHT AND LICENSE
perl v5.14.2 2006-03-17 Apache2::SiteControl::GrantAllRule(3pm)
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