Tutorial: Fix Magento upgrade fails with “Unknown cipher in list: TLSv1”

Have you tried to upgrade Magento from the command line (or some other way) and discovered the delicious error message: Unknown cipher in list: TLSv1 Returned to you in your terminal window? There is a fix which can work for this, below. Edit the file downloader/lib/Mage/HTTP/Client/Curl.php, type the following command from the Magento installation directory: …

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