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Originally Posted by Wed
This will be my first time.
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Step 0: BACK UP YOUR CURRENT SYSTEM.
Step 0.1: Conduct an automated upgrade before attempting any manual upgrades. You can then restore, and do things manually. The
upgrade without a kernel procedure is entirely manual,
and prone to error if you do not have an excellent understanding of every step, in order.
Step 0.2: Before embarking on a manual upgrade, boot a ramdisk kernel and look through the shell scripts that run when you select the upgrade option.
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These items are not defined in the 4.7 to 4.8 page. I appreciate that you listed them.
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They are described in detail in the INSTALL.<arch> file in every release directory. They are described in detail in FAQ 4.7. They are mentioned, by name, in the upgrade guide -- but in the shell commands you execute in order to conduct the manual upgrade process.
It is assumed that those doing this understand the process completely.
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But the upgrade ought to produce the same result no matter the road chosen.
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Unless you
clearly understand what you are doing, you are likely to get lost along the way.
There are a multitude of methods for conducting an installation or upgradewhen you have local control of your system, and access to the console. Booting the ramdisk kernels from optical media, diskette, or network interfaces. The installation/upgrade content can be on the network, optical media, hard disk, or tape. Some architectures limit those choices, of course.
On any system where you can obtain remote access to the system console, you can conduct a remote installation or upgrade. But in general, that is NOT the case with the most popular two architectures: i386 or amd64. (Yes, it is possible to do this with these architectures, with proper planning and with customized configurations. Unsupported, of course.)
The manual process described in the upgrade guide is NOT recommended, but explained, for those who are forced to conduct a remote upgrade/installation without access to the console.
Practice locally, of course. That is one good thing you have elected to do.