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How to upgrade magento

Lets imaging that you have Magento web store and you need to upgrade it to 1.5. or 1.6 version. First of all it is highly recommended to backup your live store files and database.

Next you need to get SSH access from your hosting provider and connect to your server via SSH protocol. After connection via SSH go to your store folder and execute these commands:

1 – Change permissions on lib/pear folder to writable (recursively):

chmod -R 777 lib/PEAR

2 – Execute this command to prepare Magento for upgrade:

./pear mage-setup

Most likely you will see this result after command execution:

Channel “connect.magentocommerce.com/core” is already initialized

Upgrade from Magento 1.4.1.x to Magento

This step is necessary even if you upgrade your Magento store to 1.5 or 1.6 versions.

3 – Execute Magento upgrade command:

./pear upgrade -f magento-core/Mage_All_Latest-stable

Output of the command will show you what core packages were upgraded:

upgrade ok: channel://connect.magentocommerce.com/core/Mage_Centinel-
upgrade ok: channel://connect.magentocommerce.com/core/Interface_Frontend_Base_Default-
upgrade ok: channel://connect.magentocommerce.com/core/Phoenix_Moneybookers-1.2.3
upgrade ok: channel://connect.magentocommerce.com/core/Find_Feed-1.0.7
upgrade ok: channel://connect.magentocommerce.com/core/Interface_Adminhtml_Default-

4 – When this part of the upgrade will be complete, enter these commands:

chmod 550 ./mage
./mage mage-setup .

You will see this result after command execution:

Successfully added: http://connect20.magentocommerce.com/community

It means that Magento connect 2.0 channel was added to the channels list successfully.

5 – Next, enter this command:

./mage sync

The result will be:

Successfully added: community/Mage_Locale_en_US-
Successfully added: community/Interface_Install_Default-
Successfully added: community/Phoenix_Moneybookers-1.2.3
Successfully added: community/Mage_Downloader-
Successfully added: community/Lib_Google_Checkout-

Upgrade to Magento is complete and now you can proceed with upgrade to Magento or version.

Upgrade from Magento to Magento 1.5.10 or Magento

Now you can upgrade your store to version 1.5 or 1.6.

Before proceeding with this part of Magento upgrade, it is very important to see to what version Magento upgrade scripts will upgrade your store. Enter this command to check this:

./mage list-upgrades

If you will see this result:

Updates for community:
Mage_All_Latest: =>
Lib_Js_Mage: =>
Lib_Varien: =>
Lib_Phpseclib: =>

It means that your Magento will be upgraded to version If it is not what you need you can change upgrade channel to “stable” and upgrade your Magento to version

6 – Enter this command to change the upgrade channel to stable:

./mage config-set preferred_state stable

After this the “./mage list-upgrades” command will show you this result:

Updates for community:
Mage_All_Latest: =>
Lib_Js_Mage: =>
Lib_Varien: =>
Lib_Phpseclib: =>
Mage_Core_Adminhtml: =>
Mage_Core_Modules: =>

7 – After channel selection you can upgrade your Magento to (or to Magento using this command:

./mage upgrade-all –force

You will see upgraded packages on your screen:

Package upgraded: community/Mage_Locale_en_US
Package upgraded: community/Lib_Mage
Package upgraded: community/Lib_ZF
Package upgraded: community/Lib_Js_Prototype
Package upgraded: community/Lib_ZF_Locale

Now the upgrade is complete and you can execute database upgrade visiting your Magento store in your browser. If everything was upgraded correctly, you will see upgraded store in your browser.

You can check version of your store in the footer of Magento administration panel.

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