Connect phone to computer
Settings > About Phone > Build number > tap 7x times to become developer
Settings > Expanded options > Developer Options > USB Debugging > OK
Allow access with your computer RSA key

Connect phone to Wifi
Settings > Expanded options > Developer Options  > OEM-Unlock enable

adb reboot bootloader
fastboot oem unlock

Power Off phone
Hold volume_down + power
 
OPTIONAL: Recovery phone with original Xiaomi image to update firmware

provider "openstack" {
  cloud = "lab-admin"
  use_octavia = true
}
 
# data "template_file" "user_data" {
#   template = file("user-data.txt")
# }
 
data "template_file" "user_data" {
  template = <<EOF
#cloud-config
package_update: true
packages:
 - nginx
runcmd:
 - hostname -f | sudo tee /var/www/html/index.nginx-debian.html
 - id > /tmp/debug
EOF
}
 
variable "http_instance_names" {
  type = set(string)
  default = ["www1", "www2"]
}
 
resource "openstack_compute_instance_v2" "http" {
  for_each    = var.http_instance_names
  name        = each.key
 #name = "www${count.index + 1}"
 #count = 2
 image_name = "Ubuntu 20.04 minimal"
 flavor_name = "m1.small"
 key_pair = "lab-key"
 security_groups = ["default"]
 user_data = data.template_file.user_data.rendered
 
 network {
   name = "demo-net"
 }
}
 
data "openstack_networking_network_v2" "network_1" {
  name = "demo-net"
}
 
data "openstack_networking_subnet_v2" "subnet_1" {
  name = "demo-subnet"
  network_id = data.openstack_networking_network_v2.network_1.id
}
 
# Create loadbalancer
resource "openstack_lb_loadbalancer_v2" "http" {
  name          = "demo-lb1"
  vip_subnet_id = data.openstack_networking_subnet_v2.subnet_1.id
}
 

opkg update
opkg install kmod-usb-storage kmod-fs-ext4 fdisk e2fsprogs
opkg install rsync
 
# deinstall
opkg remove ppp-mod-pppoe ppp kmod-pppoe kmod-pppox kmod-ppp
 
# OPTIONAL: remove webinterface
opkg remove "luci-*"   #run multiple times
opkg remove uhttpd

# Configure the OpenStack Provider
provider "openstack" {
  user_name   = "admin"
  tenant_name = "admin"
  password    = "pwd"
  auth_url    = "http://myauthurl:5000/v2.0"
  region      = "RegionOne"
}
 
# cloud.yaml
provider "openstack" {
  cloud      = "dev-foo"
}

resource "openstack_networking_router_v2" "router_1" {
  name       = "foo-router"
  external_network_id = "88934cac-8d55-40d5-8ff9-bde65011741d"
}
 
resource "openstack_networking_router_interface_v2" "terraform" {
  router_id = openstack_networking_router_v2.router_1.id
  subnet_id = openstack_networking_subnet_v2.subnet_1.id
}

# install nextcloud with snap
snap install nextcloud
 
sudo snap enable nextcloud
sudo snap disable nextcloud
 
# set domain
nextcloud.occ config:system:set trusted_domains 0 --value="nextcloud.example.com"

# create user
export OC_PASS=pass1234
nextcloud.occ user:add --display-name "Foo Bar" --group=bar --password-from-env foo

# create email
nextcloud.occ mail:account:create fobr "Foo Bar" foo.bar@example.com imap.example.com 143 off foo.bar pass1234 smtp.example.com 25 off foo.bar pass1234

# path
/var/snap/nextcloud/common/nextcloud/data/admin/file
 
# rescan files
nextcloud.occ files:scan --path=admin
nextcloud.occ files:scan --all
 
# external files
nextcloud.occ files_external:list
sudo snap connect nextcloud:removable-media

user.network-config: |
version: 1
config:
    - type: physical
    name: dev-mgmt
    subnets:
        - type: static
        address: 10.33.20.40/20
        gateway: 10.33.16.1
        dns_nameservers:
            - 10.8.3.74
            - 10.8.3.174
        dns_search:
            - dev.i.example.com
        routes:
            - gateway: 10.33.16.1
            network: 10.33.0.0/16
    - type: physical
    name: dev-ipmi
    subnets:
        - type: static
        address: 10.32.20.40/20
        gateway: 10.32.16.1

network:
  version: 1
  config:
  - type: physical
    name: eth0
    subnets:
      - type: dhcp