cd /usr/src wget ftp://ftp.kernel.org/pub/linux/kernel/v2.4/linux-2.4.26.tar.gz wget ftp://ftp.kernel.org/pub/linux/kernel/v2.4/linux-2.4.26.tar.gz.sign gpg --kerserver wwwkeys.gpg.net --recv-keys 0x517D0F0E
NOTE: The gpg command is used to check the validity of the downloaded file.