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Experience level = Beginner

 
One of the common reasons that a site fails to operate correctly is corrupt or missing files. There are many Joomla extensions that will update/replace the core files. But by uploading them manually you can verify that all the files have been replaced correctly. Using the Joomla full package to update is an alternative to using an update patch. Occasionally the wrong update patch is applied and, as a result, and important files fail to be updated.
    
The following link shows a tutorial video that demonstrates how easily and quickly it can be achieved.  It demonstrates the replacing of 1.5 but the same method can be used for any version of Joomla.  Just make sure that you use the latest update for the Joomla version that you are using.  The software used is Filezilla FTP client.  It is simple to setup and only requires ftp server, username & password to be entered. Once that is done you can connect your computer to the Server containing the files on your site. Navigating those is as easy as navigating the files on your PC.
    
 
 
If any of the files failed to transfer it is most likely caused by bad file permissions. Having identified the path and name of any file(s) that failed to transfer. You need to locate the recipient file on the Server and set it so it can be overwritten. The following link shows a tutorial on setting the correct permissions. Care must be taken to set the correct values. The process is simple enough and takes a matter of seconds rather than minutes or hours.  This is also the same method for updating and upgrading some versions of Joomla.
 
 

 

 

 


 

Additional information :

 

 This method is also used for updating Joomla 1.0.x and 1.5.x

 

When replacing image files it is often best to delete the files then refresh the Browser before uploading new ones.  This will clear the Browser cache of the old images.  This was used on a Graphic design site recently to enable viewing of the new images.  Also the image slider needed to have the cache cleared in order to display the new images.  The Graphic print on the page was automatically refreshed with each page visit.

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A short video to demonstrate moving files on a server
   
 
 
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Upgrading and Migrating

 

Upgrading from one version of Joomla to another version is often referred to as Migrating.  But this can be misleading because Mirating is usually associated with moving a site from one server to another.  This page deals with Upgrading Joomla from 1.6.5.  Upgrading Joomla versions lower than Joomla 1.6.5 are vastly complicated and usually take longer than starting the site from scratch.  This is because of the changes in the PHP code and the database structure.  Also many of the features in Joomla 2.5 perform tasks that Joomla 1.5 and Joomla 1.0 need extensions for.

 

Joomla 2.5 also has an enhanced A.C.L. which allows for better control of User permissions.  For those and many other reasons it is probably better to create a new site than Upgrade from lower versions.

 

Upgrading versions of Joomla from 1.6.5 to Joomla 1.7.0

 

The introduction of Joomla 1.6 brought in several new features, one of which was 'Automatic update', the 'Automatic update' will also automatically find upgrades as well.  Because of the changes made in the databases during the various releases of 1.6 and 1.7 'Automatic updates' is best not used for Joomla versions below 1.6.5.  Using 'Automatic updates' for 1.6.5, 1.6.6 and 1.7.0 has to be done twice to bring Joomla up to the current version.

        1. Login to the administrator control panel of your Joomla.
        2. Navigate to ... Extensions >>> Extensions manager ... and click the 'Update' tab.
        3. Then 'Purge cache' ... 'Check for updates', select the Joomla upgrade and click the 'Update' button.
        4. Log out then repeat steps 1 to 3.
        5. Log out and back in again.
        6. Navigate to ... Extensions >>> Extensions manager ... and click the 'Database' tab.
        7. If any errors show then click the 'Fix' button.

 

Upgrading versions of Joomla from 1.7.1 to 2.5.2

 

Upgrading from Joomla 1.7.1 onwards is much easier than updating or upgrading from other versions of Joomla.

        1. Login to the administrator control panel of your Joomla.
        2. Navigate to ... Extensions >>> Extensions manager ... and click the 'Update' tab.
        3. Then 'Purge cache' ... 'Check for updates', select the Joomla upgrade and click the 'Update' button.
        4. Log out and back in again.
        5. Navigate to ... Extensions >>> Extensions manager ... and click the 'Database' tab.
        6. If any errors show then click the 'Fix' button.

 

 

Updating versions of Joomla between 2.5 and 3.3.6

The introduction of Joomla 1.6 brought in several new features, one of which was 'Automatic update'.  Because of the changes made in the databases during the various releases of 1.6 and 1.7 'Automatic updates' is best not used for Joomla versions below 1.6.5.  Using 'Automatic updates' for 1.6.5, 1.6.6 and 1.7.0 has to be done twice to bring Joomla up to the current version.

Upgrading to Joomla 3.3.6 is relatively easy ... the difficulty depends on the 3rd party extensions that you have on your site.  Some 2.5 extensions are not compatatable with 3.3.6 while other extensions are compatible but require a different zip file to be installed.

Preparation

      1. Use Akeeba Backup to create a copy of your site in a new folder or locally on your computer and use the copy to do the migration.
      2. Make sure you Joomla version is 2.5.7 and that all the 3rd party extensions are up to date.
      3. Disable the 'Remember me' Plugin in the Plugins Manager.
      4. Make a list of all you 3rd party extensions and note which are compatible with .3.3.6
      5. Uninstall all the non compatible 3rd party extensions and disable all the other 3rd party extensions.
        1. Check with the authors of the 3rd party extensions to see if they have upgrade instructions specific to their extension.  Some extensions may require uninstalling the files but leaving their database tables intact !!!
      6. Back up your changes.

 

Completing the upgrade

      1. Navigate to Components >>> Joomla! Update.
        1.  If Joomla 3.3.6 does not show then purge cache ... if still No Avail then set the Options to LTS.
      2. Click to update.
        Note:  You can also upgrade by installing the Joomla 3.3.6 full package zip via the Extension manager.
      3. Install the latest versions of your 3rd party extensions (taking care to follow any instructions specific to each extenstion).
      4.  Re-enable all your 3rd party extensions.
      5. Re-enable your 'Remember me' Plugin.
      6. Move your active site to a subfolder
      7. Move the upgraded site to your website root (edit the paths in the configuration.php and .htaccess if necessary).

 

 

Other information

 

There are manual methods to upgrade from Joomla 1.6.0 onwards but if the above methods do not work then you will probably need to examine your server setup.