Which is the ideal way to go, and then install from the patched ISO. Sometimes the process doesn't work properly when patching though (eg Apache in LAMP running on your machine can interfere with the patching process). It is recommended that you use TKL Core as the basis for patching ISOs.
But seeing as you have already installed TKL LAMP then you could try applying the patch to your current system. Be warned though, unexpected results can occur.
Sounds like you have patched an ISO
Which is the ideal way to go, and then install from the patched ISO. Sometimes the process doesn't work properly when patching though (eg Apache in LAMP running on your machine can interfere with the patching process). It is recommended that you use TKL Core as the basis for patching ISOs.
But seeing as you have already installed TKL LAMP then you could try applying the patch to your current system. Be warned though, unexpected results can occur.
To patch your current system try: