Gentoo

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emerge --sync

update Portage base software

emerge portage

update system packages

emerge -u system

update configuration files

etc-update

update current environment variables

env-update

pretend what to du while updating all registered packages

emerge -p -u world

update all registered packages

emerge -u world

download, build and install package "lynx"

emerge lynx

remove version 1.5 of package mktemp

emerge -C =sys-apps/mktemp-1.5

manuell kernel upgrade

cd /usr/usr
rm linux
ln -s linux-... linux
cd linux
cp ../linux-old.../.config .
make oldconfig
make && make modules_install
mount /boot
cp arch/i386/boot/bzImage /boot/bzImage-2.6.9-gentoo-r2

kernel upgrade using Gentoo packages