Update 'README.md'

README.md

@@ -1,3 +1,93 @@
-# Netboot
+# Network booting
 
-Network booting
+https://documentation.ubuntu.com/server/how-to/installation/how-to-netboot-the-server-installer-on-amd64/
+
+https://chatgpt.com/c/6765b743-ca68-800c-9a63-dd5768d20b4c
+
+TODO: create squashfs image from live system
+
+`apt install dnsmasq`
+
+`vim /etc/dnsmasq.conf`
+
+`mkdir -p /srv/tftp`
+
+```
+interface=<your interface>,lo
+bind-interfaces
+dhcp-range=<your interface>,192.168.0.100,192.168.0.200
+dhcp-boot=pxelinux.0
+dhcp-match=set:efi-x86_64,option:client-arch,7
+dhcp-boot=tag:efi-x86_64,grubx64.efi
+enable-tftp
+tftp-root=/srv/tftp
+```
+
+~~`apt install debootstrap chroot squashfs-tools`~~
+
+`cp /boot/vmlinuz /srv/tftp/vmlinuz`
+
+`cp /boot/initrd.img /srv/tftp/initrd`
+
+`apt download grub-efi-amd64-signed`
+
+`dpkg-deb --fsys-tarfile grub-efi*deb | tar x ./usr/lib/grub/x86_64-efi-signed/grubnetx64.efi.signed -O > /srv/tftp/grubx64.efi`
+
+`apt download grub-common`
+
+`dpkg-deb --fsys-tarfile grub-common*deb | tar x ./usr/share/grub/unicode.pf2 -O > /srv/tftp/unicode.pf2`
+
+`mkdir -p /srv/tftp/grub`
+
+`vim /srv/tftp/grub/grub.cfg`
+
+```
+ set default="0"
+ #set timeout=-1
+     
+ if loadfont unicode ; then
+   set gfxmode=auto
+   set locale_dir=$prefix/locale
+   set lang=en_US
+ fi
+ terminal_output gfxterm
+     
+ set menu_color_normal=white/black
+ set menu_color_highlight=black/light-gray
+ if background_color 44,0,30; then
+   clear
+ fi
+     
+ function gfxmode {
+         set gfxpayload="${1}"
+         if [ "${1}" = "keep" ]; then
+                 set vt_handoff=vt.handoff=7
+         else
+                 set vt_handoff=
+         fi
+ }
+     
+ set linux_gfx_mode=keep
+     
+ export linux_gfx_mode
+     
+ menuentry 'FiksOS' {
+         gfxmode $linux_gfx_mode
+         linux /vmlinux $vt_handoff quiet splash
+         initrd /initrd
+ }
+ ```
+
+
+`vim /etc/netplan/10-static.yaml`
+
+```yaml
+network:
+  version: 2
+  ethernets:
+    enp0s8:
+      dhcp4: false
+      dhcp6: false
+      addresses:
+        - 192.168.11.1/24
+```