Add ionos_freebsd_install.md

ionos_freebsd_install.md

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+# Install FreeBSD
+1. Buy VPS, with any OS
+2. Insert DVD: Grml
+3. Reboot
+4. `wget https://mfsbsd.vx.sk/files/images/14/amd64/mfsbsd-14.1-RELEASE-amd64.img`
+5. `fdisk -l` => find the `/dev/<disk>` to use
+6. `dd if=mfsbsd-14.1-RELEASE-amd64.img of=/dev/<disk>`
+7. Eject DVD & reboot
+8. ssh using mfsbsd default creds root/mfsroot
+9. `gpart recover vtbd0` to fix the partition table
+10. `bsdinstall`
+11. Reboot
+
+# Reduce boot time
+1. `fetch http://ftp.freebsd.org/pub/FreeBSD/releases/amd64/14.1-RELEASE/src.txz`
+2. `tar -C / -xvf src.txz`
+3. `freebsd-update fetch && freebsd-update install`
+4. `cd /usr/src/`
+5. ```make buildkernel -j `sysctl -n hw.ncpu` KERNCONF=MINIMAL && make installkernel KERNCONF=MINIMAL```
+6. Update `/boot/loader.conf`
+```conf
+...
+kern.boottrace.enabled=1
+autoboot_delay=1
+ufs_load="YES"
+...
+```
+
+# Enabling IPv6 and fixing “Bogus Host Name” warning
+> IONOS uses DHCPv6+rtsol to assign IP address and routing configuration for the IPv6.
+
+1. Add ipv6 in the Ionos panel
+2. `pkg install dual-dhclient-daemon`
+3. Update `/etc/rc.conf`:
+```conf
+...
+ifconfig_vtnet0="DHCP"
+dhclient_program="/usr/local/sbin/dual-dhclient"
+ipv6_activate_all_interfaces="YES"
+ipv6_defaultrouter="fe80::1%vtnet0"
+...
+```
+4. Update `/etc/dhclient.conf`:
+```conf
+...
+interface "vtnet0" {
+  ignore host-name;
+}
+...
+```
+5. `service dhclient restart vtnet0`