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Online.net account

On your Online.net account via console.online.net, go to:

  • “Server” dropdown menu, then “Servers list”.
  • Click on “Manage” on the right.
  • “Rescue” button.
  • As operating system select “Ubuntu 20.04 amd64”.
  • Then start the operation, you server will boot on the Ubuntu live CD.

Dedibox server

  • Log in the rescue live system through ssh with the provided ip/credentials.
  • The provided Ubuntu version is outdated (Ubuntu Saucy), so the apt repositories have to be modified before Qemu could be installed:
$ sudo -s
# apt update
# apt install qemu-kvm

Fetch a FreeBSD Installer ISO image:

# cd /tmp
# wget https://download.freebsd.org/releases/ISO-IMAGES/14.2/FreeBSD-14.2-RELEASE-amd64-bootonly.iso
# wget https://download.freebsd.org/releases/ISO-IMAGES/14.2/CHECKSUM.SHA256-FreeBSD-14.2-RELEASE-amd64
# sha256sum FreeBSD-14.2-RELEASE-amd64-bootonly.iso
d063e48b81b99005c8097e60377c23fb07e4116c5f0c0b41a5dc368fc4df6bf9  FreeBSD-14.2-RELEASE-amd64-bootonly.iso
# cat CHECKSUM.SHA256-FreeBSD-14.2-RELEASE-amd64 | grep FreeBSD-14.2-RELEASE-amd64-bootonly.iso
SHA256 (FreeBSD-14.2-RELEASE-amd64-bootonly.iso) = d063e48b81b99005c8097e60377c23fb07e4116c5f0c0b41a5dc368fc4df6bf9

For the post-install network configuration step (/etc/rc.conf), try to figure out now what is your NIC model (Handbook: Locating the correct driver)

# lspci -v | grep Ethernet
00:14.0 Ethernet controller: Intel Corporation Ethernet Connection I354 2.5 GbE Backplane (rev 03)
	Subsystem: Intel Corporation Ethernet Connection I354 2.5 GbE Backplane

Setup NAT on the Linux host by creating a tap interface

ip tuntap add tap0 mode tap
ip addr add 192.168.100.1/24 dev tap0
sysctl net.ipv4.ip_forward=1
iptables -t nat -A POSTROUTING -o enp0s20 -j MASQUERADE

Start the FreeBSD installer through Qemu, attached to the physical server disk, with the curses UI:

# qemu-system-x86_64 -hda /dev/sda -cdrom FreeBSD-14.2-RELEASE-amd64-bootonly.iso -netdev tap,id=nd0,ifname=tap0,script=no,downscript=no -device virtio-net-pci,netdev=nd0 -curses -boot d

Configure IPv4 static IP (as there is no DHCP server on the Linux host)

  • IP Address: 192.168.100.2
  • Subnet Mask: 255.255.255.0
  • default router: 192.168.100.1
  • IPv4 DNS #1: 8.8.8.8 (Google’s public DNS, you can check yours in /etc/resolv.conf)

Then

  • On the partitioning dialog, choose Auto (ZFS) Guided Root-on-ZFS
  • Follow installer up to the end, and when asked for Manual Configuration, choose yes to open a shell before exiting the installer.
  • Configure the network, modify the files accordingly to your network setup/nic driver:
# /etc/rc.conf  
  
ifconfig_igb0="inet x.x.x.x netmask 255.255.255.0"  
defaultrouter='x.x.x.x'  
  
# /etc/resolv.conf  
nameserver x.x.x.x

See also