[ILUG] Modules

[Burke, Gary : GIG IS&T]

]> ] (snip)
]> ]make xconfig
]> ]make dep clean modules modules_install install
]> ]reboot
]> ]
]> ]Funnily enough, I can now run vmware-config fine.
]
]And a note to the beginners out there:
]
]    DON'T DO THIS AT HOME.
]
]If your new kernel doesn't boot, you won't be able to 
]revert back to the old one.  You'll probably have to 
]muck around with rescue disks, or re-install from the
]distribution CD.

No, you definately don't do this unless you know what you are doing.
However, to help you not have to use a rescue disk, you can try the
following...

Since RedHat installs a kernel for you, and calls it something silly like
vmlinux-2.4.14-5, your lilo.conf is setup to point to that file.

If you edit your /etc/lilo.conf and make it look like the following...

----- begin lilo.conf -----
boot=/dev/hda
map=/boot/map
install=/boot/boot.b
prompt
timeout=50
linear
default=linux
image=/boot/vmlinuz
	label=linux
	read-only
	root=/dev/hda1
image=/boot/vmlinuz-2.2.14
	label=stable
	read-only
	root=/dev/hda1
------ end lilo.conf ------

The important bits here are the two blocks beginning with  image=

The first one is the default one.  It points to /boot/vmlinuz, which is the
kernel image that is created if you download a new kernel and install it.
The second one points to the original Red Hat kernel.  So, if I compile a
new kernel and it completely dies on me and doesn't boot, I can still get
back into my system using the original RedHat kernel.

When the LILO prompt appears, I can either wait 5 seconds (or hit return)
for the default kernel (vmlinuz), or I can type in which image I want.
Hitting [TAB] will show me what images are available.  In this case, I will
be presented with
linux       stable
(see the label= line in each section!!!).  Typing 'stable' will boot me to
my old kernel config.

Note that if you have a RedHat system and you want to download and compile a
new kernel, you will have to change the /etc/lilo.conf file as the new
kernel will produce an image called 'vmlinuz', and the RedHat default
lilo.conf will still be pointing at 'vmlinuz-2.2.14', or whatever.



Garyu
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