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How to apply the Magento 2 patches?
Most of Magento developer want to know exactly how they should apply the security patches on their websites
in this article we are going to talk about *.patch files
There are two ways to do this
1- using git command
git apply patch_filename.patch
or
2- using patch command
patch -p1 < patch_filename.patch
I hope this will be useful for you