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<td id="header-avatar-image-container" valign="top" style="padding: 0px; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 9px"><a href="https://wiki.asterisk.org/wiki/display/~rnewton?src=email" style="color: #3b73af; text-decoration: none"><img id="header-avatar-image" class="image_fix" src="cid:avatar_925838d3d8b1f71935f30b314c925d64" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top" /></a></td>
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<td class="notification-comment-pattern-container mobile-resize-text" style="padding: 0px; border-collapse: collapse; padding: 0px"><strong>Change comment:</strong> Moved updating and upgrading content to a sub-page, plus some more formatting and wordsmithing</td>
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<td id="page-title-pattern-icon-image-container-cell" style="padding: 0px; border-collapse: collapse; width: 16px; padding: 9px 8px 0px 0px; mso-text-raise: 5px; mso-line-height-rule: exactly"><a href="https://wiki.asterisk.org/wiki/display/AST/Maintenance+and+Upgrades?src=email" title="page icon" style="vertical-align: top;; color: #3b73af; text-decoration: none"><img style="vertical-align: top; display: block;" src="cid:page-icon" alt="page icon" title="page icon" height="16" width="16" border="0" /></a></td>
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<td class="content-excerpt-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 0 24px"> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p>
<div class="diff-block-target diff-block-context">
Maintaining an Asterisk system can include tasks such as monitoring the system for issues, performing backups and keeping the system up to date.
<span class="diff-html-removed" id="removed-diff-0" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Here we will provide an overview what those tasks involve and point to helpful resources for each.</span>
<p style="margin: 10px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> </p>
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4732/f543bd9a3bbc12daed85f6f5e5cba84282599932.48/_/images/icons/macrobrowser/dropdown/section.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Section</span>
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4732/f543bd9a3bbc12daed85f6f5e5cba84282599932.48/_/images/icons/macrobrowser/dropdown/column.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Column</span>
<h1 id="MaintenanceandUpgrades-MonitoringtheAsteriskSystem" style="margin: 10px 0 0 0; font-size: 24px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Monitoring the Asterisk System</span> </h1>
<span class="diff-html-added" id="added-diff-0" style="font-size: 100%; background-color: #ddfade;">The topics of </span>
<a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Asterisk Backups</span></a>
<span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> and </span>
<a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Updating or Upgrading Asterisk</span></a>
<span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> are discussed on the linked sub-pages. A few miscellaneous maintenance topics are discussed below.</span>
</div>
<div class="diff-block-target diff-block-context">
<h2 id="MaintenanceandUpgrades-Filesizes" style="margin: 10px 0 0 0; margin-top: 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0; margin-top: 0"> <span class="diff-html-changed" id="changed-diff-0" style="background-color: #d6f0ff;">File sizes</span> </h2>
<p style="margin: 10px 0 0 0"> <span class="diff-html-changed" id="changed-diff-1" style="background-color: #d6f0ff;">Files generated by various Asterisk modules or core features may grow to significant sizes depending on how you use Asterisk and the configuration of those sub-systems.</span> </p>
<div>
<span class="diff-html-changed" id="changed-diff-2" style="background-color: #d6f0ff;">Systems that may generate large files are:</span>
</div>
<ul style="margin: 10px 0 0 0">
<li> <a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">Logging</span></a> </li>
<li> <a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">Reporting</span></a> </li>
<li> <span class="diff-html-changed" style="background-color: #d6f0ff;">Audio recording applications</span> </li>
<li style="list-style-type: none;">
<ul style="margin: 10px 0 0 0; margin-top: 0">
<li> <span class="diff-html-changed" style="background-color: #d6f0ff;">There are multiple ways to record audio files, applications such as </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">MixMonitor</span></a><span class="diff-html-changed" style="background-color: #d6f0ff;"> exist for the purpose of audio recording, other applications, e.g. </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;"> ConfBridge</span></a><span class="diff-html-changed" style="background-color: #d6f0ff;"> provide audio recording as a sub-feature. The recordings will either go to your default sounds directory (Specified in asterisk.conf) or a directory specified via the application or a configuration file related to the responsible module.</span> </li>
</ul> </li>
</ul>
<p style="margin: 10px 0 0 0"> <span class="diff-html-changed" style="background-color: #d6f0ff;">The key is to know where these components store their output and to have some mechanism in place to prevent the files from growing to a point where you have no storage space remaining.</span> </p>
<p style="margin: 10px 0 0 0"> <span class="diff-html-changed" style="background-color: #d6f0ff;">Managing log files in general is outside the scope of this documentation, however a little Internet searching will get you a long way in that area.</span> </p>
<p style="margin: 10px 0 0 0"> <span class="diff-html-changed" style="background-color: #d6f0ff;">The </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">Directory and File Structure wiki page</span></a><span class="diff-html-changed" style="background-color: #d6f0ff;"> will tell you where most Asterisk files are stored on the Linux file-system.</span> </p>
<h2 id="MaintenanceandUpgrades-Security" style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-changed" style="background-color: #d6f0ff;">Security</span> </h2>
<p style="margin: 10px 0 0 0"> <span class="diff-html-changed" style="background-color: #d6f0ff;">It is in the interest of every Asterisk administrator to perform due diligence for security concerns. Most security measures are a matter of configuration and prevention, however for a production system already running there are a few things to consider in the context of maintenance.</span> </p>
<ul style="margin: 10px 0 0 0">
<li> <span class="diff-html-changed" style="background-color: #d6f0ff;">The </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">Asterisk Security Event Logger</span></a><span class="diff-html-changed" style="background-color: #d6f0ff;"> can generate log output for security events. You may want to monitor these manually or have scripts and applications that take action on these events or log messages.</span> </li>
<li> <span class="diff-html-changed" style="background-color: #d6f0ff;">Be aware of </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">security vulnerability announcements</span></a><span class="diff-html-changed" style="background-color: #d6f0ff;">. There are a few places these are announced:</span> <br />
<ul style="margin: 10px 0 0 0">
<li> <a href="http://www.asterisk.org/downloads/security-advisories" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">http://www.asterisk.org/downloads/security-advisories</span></a> </li>
<li> <a href="http://lists.digium.com/mailman/listinfo/asterisk-security" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">Asterisk-security mailing list</span></a> </li>
<li> <a href="http://lists.digium.com/mailman/listinfo/asterisk-announce" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">Asterisk-announce mailing list</span></a> </li>
</ul> </li>
</ul>
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</div> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> </p> <h2 id="MaintenanceandUpgrades-InterfacesforMonitoringAsteriskStatus" class="diff-block-target diff-block-context" style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-changed" id="changed-diff-3" style="background-color: #d6f0ff;">Interfaces for Monitoring Asterisk Status</span> </h2> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" id="added-diff-1" style="font-size: 100%; background-color: #ddfade;">Maintenance can mean keeping an eye on the system and its state. </span><span class="diff-html-changed" id="changed-diff-4" style="background-color: #d6f0ff;">The </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-changed" style="background-color: #d6f0ff;">wiki discusses Asterisk interfaces</span></a><span class="diff-html-changed" style="background-color: #d6f0ff;">, such as SNMP or APIs such as AMI. Through these interfaces you can monitor Asterisk in a variety of ways or even affect control over calls.</span> </p>
<div class="diff-block-target diff-block-context">
<div>
<p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-2" style="font-size: 100%; background-color: #ddfade;"> </span> </p>
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<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4732/f543bd9a3bbc12daed85f6f5e5cba84282599932.48/_/images/icons/macrobrowser/dropdown/info.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Info</th>
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<tbody>
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<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; padding: 0px; border-collapse: collapse">title</td>
<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; padding: 0px; border-collapse: collapse">Reporting Issues that You Encounter</td>
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<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; padding: 0px; border-collapse: collapse"> <p style="margin: 10px 0 0 0; margin-top: 0">In the process of monitoring the operation of your system, you might spot an issue. If you believe the issue is a bug with Asterisk rather than a configuration issue, then you should follow the guidelines at the <a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none">Asterisk Issue Guidelines</a> page to report a bug.</p> </td>
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<p style="margin: 10px 0 0 0"> </p>
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<p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-changed" id="changed-diff-5" style="background-color: #d6f0ff;"> </span> </p>
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<div class="diff-block-target diff-block-context">
<h1 id="MaintenanceandUpgrades-KeepingtheSystemUp-to-date" style="margin: 10px 0 0 0; margin-top: 0; font-size: 24px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0; margin-top: 0"> <span class="diff-html-removed" id="removed-diff-2" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Keeping the System Up-to-date</span> </h1>
<p style="margin: 10px 0 0 0"> <strong><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Updates and upgrades should only be performed when necessary</span></strong> </p>
</div>
<div class="diff-block-target diff-block-context">
<ul style="margin: 10px 0 0 0; margin-top: 0">
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Reason to Update</span> <br />
<ul style="margin: 10px 0 0 0">
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Your install is affected by a bug or </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">security vulnerability</span></a><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> and you believe the new point release will fix your issue.</span> </li>
</ul> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Reason to Upgrade</span> <br />
<ul style="margin: 10px 0 0 0">
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">You require new features or enhancements only available in a new major version and are ready for the possible work involved in upgrading.</span> </li>
</ul> </li>
</ul>
<p style="margin: 10px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">When considering an update or upgrade you should be familiar with the </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Asterisk support life-cycle</span></a><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">. It is useful to know the support status of the version you may be moving to.</span> </p>
<h2 id="MaintenanceandUpgrades-ResearchingaNewAsteriskVersion" style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Researching a New Asterisk Version</span> </h2>
</div> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Included with Asterisk releases are a few files that are useful for researching the version you are considering for update or upgrade. These can be found in the root of the Asterisk source directory.</span> </p>
<ol class="diff-block-target diff-block-context" style="margin: 10px 0 0 0">
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">UPGRADE.txt - Documents any changes that you need to know about when moving between major versions. Especially changes that break backwards compatibility.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">CHANGES - Documents new or enhanced functionality between versions listed in the file.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">ChangeLog - A log showing all changes (bug fixes, new features, security fixes,etc) between released versions. It can be useful if you are searching for a specific fix or change, but this could be overly verbose for looking at changes between two major versions.</span> </li>
</ol> <h2 id="MaintenanceandUpgrades-Updates" class="diff-block-target diff-block-context" style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Updates</span> </h2>
<div class="diff-block-target diff-block-context">
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Updates involve installing a new minor version. That is, moving from 11.X.X to 11.X.X vs moving from 11 to 12. New minor versions include bug fixes, some of which may be security related. Typically, there should not be features or new functionality included in a minor version except when the fixing of a bug requires it.</span>
</div>
<div class="diff-block-target diff-block-context">
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Process</span>
</div>
<div class="diff-block-target diff-block-context">
<ol style="margin: 10px 0 0 0; margin-top: 0">
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Research the new minor version you intend to update to.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Be sure you have a backup of any essential data on the system.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">If you determine one of those changes will be beneficial for you, only then proceed with an update.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Download the new version and </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">install Asterisk</span></a><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">.</span> </li>
</ol>
</div> <h2 id="MaintenanceandUpgrades-Upgrades" class="diff-block-target diff-block-context" style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Upgrades</span> </h2>
<div class="diff-block-target diff-block-context">
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Upgrades involve installing a new major version. For example, moving from 11 to 12. New major versions can include bug fixes, new features and functionality, changes to old features or functionality, deprecation of functionality or change in support status.</span>
</div>
<div class="diff-block-target diff-block-context">
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Process</span>
</div>
<div class="diff-block-target diff-block-context">
<ol style="margin: 10px 0 0 0; margin-top: 0">
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Research the new major version you are considering for an upgrade.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Be sure you have a backup of any essential data on the system.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">If you determine the new functionality or changes will be beneficial then proceed with the upgrade.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">On a test system, a non-production system, download and </span><a class="confluence-link unresolved" href="#" style="color: #3b73af; text-decoration: none"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">install the new version</span></a><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Migrate backups of configuration, databases and other data to the new Asterisk install.</span> </li>
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Test this new system, or simulate your production environment before moving this new system into production.</span>
<ol style="margin: 10px 0 0 0">
<li> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Especially test any areas of Asterisk where behavior changes have been noted in the UPGRADE.txt or CHANGES files. APIs, like AGI, AMI or ARI connecting to custom applications or scripts should be thoroughly tested. You should always try to extensively test your dialplan.</span> </li>
</ol> </li>
</ol>
<h2 id="MaintenanceandUpgrades-ThirdPartyModules" style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Third Party Modules</span> </h2>
<p style="margin: 10px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">When updating or upgrading Asterisk you should also check for updates to any third party modules you use. That is, modules that are not distributed with Asterisk. Those third party modules may require updates to work with your new version of Asterisk.</span> </p>
<h2 id="MaintenanceandUpgrades-UpdateandUpgradeTips" style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 30px; margin: 40px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Update and Upgrade Tips</span> </h2>
</div> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-changed" id="changed-diff-6" style="background-color: #d6f0ff;"> </span> </p>
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<thead>
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<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="diff-html-removed" id="removed-diff-3" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4732/f543bd9a3bbc12daed85f6f5e5cba84282599932.48/_/images/icons/macrobrowser/dropdown/tip.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Tip</span></th>
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<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; padding: 0px; border-collapse: collapse"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Updates and upgrades could include changes to configuration samples. Sample files will not be updated unless you run "make samples" again or copy the new sample files from the source directory. Be careful not to overwrite your current configuration.</span> </p> </td>
</tr>
</tbody>
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<thead>
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<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4732/f543bd9a3bbc12daed85f6f5e5cba84282599932.48/_/images/icons/macrobrowser/dropdown/tip.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Tip</span></th>
</tr>
</thead>
<tbody>
<tr>
<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; padding: 0px; border-collapse: collapse"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Keep old menuselect.makeopts files (see Asterisk source directory) and use them when building a new version to avoid customizing menuselect again when building a new version. This may only work for updates and not upgrades.</span> </p> </td>
</tr>
</tbody>
</table>
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<thead>
<tr>
<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4732/f543bd9a3bbc12daed85f6f5e5cba84282599932.48/_/images/icons/macrobrowser/dropdown/tip.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Tip</span></th>
</tr>
</thead>
<tbody>
<tr>
<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; padding: 0px; border-collapse: collapse"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">If you forget to re-build all Asterisk modules currently installed on the system then you may be prompted after compilation with a warning about those modules. That can be resolved by simply re-building those modules or re-installing them if you obtain them in binary form from a third party.</span> </p> </td>
</tr>
</tbody>
</table> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> </p> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> </p> </td>
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</table> </td>
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