On 18.03.2015, stan wrote:
How do you remove the old kernels so that they don't pile up indefinitely? Manually?
Yes. Just delete the related files in /boot and the sourcetree in /usr/src.
Or does this automatically replace the last version that was compiled and installed this way?
No.
That is, does it use a generic install directory, or one that is stamped with kernel version?
The directories used are standardized, but only rpm or similar can guarantee a proper replacement technique. It also doesn't make sense to directly replace a kernel, because the new kernel may not boot.
Here's my Fedora rpmbuild procedure:
[....]
That's really complicated, baah :-)