You might need some packages first
$ sudo apt-get install bin86 kvm qemu gcc build-essential qemu-system-x86 gcc-multilib
clone the github repo with 64 build fixes https://github.com/mariuz/linux-0.01
$ gh repo clone mariuz/linux-0.01
$ make
$ make run
or
$ make run-curses
SeaBIOS (version 1.13.0-1ubuntu1.1)
iPXE (http://ipxe.org) 00:03.0 CA00 PCI2.10 PnP PMM+0078EBD0+006CEBD0 CA00
Booting from Floppy...
Loading system ...
Partition table ok.
31278/40950 free blocks
13544/13664 free inodes
1494 buffers = 1529856 bytes buffer space
Ok.
#
iPXE (http://ipxe.org) 00:03.0 CA00 PCI2.10 PnP PMM+0078EBD0+006CEBD0 CA00
Booting from Floppy...
Loading system ...
Partition table ok.
31278/40950 free blocks
13544/13664 free inodes
1494 buffers = 1529856 bytes buffer space
Ok.
#