polo - Advanced file manager for Linux

Homepage
https://github.com/teejee2008/polo

Installation
https://github.com/teejee2008/polo/wiki/Installation

sudo apt-add-repository multiverse
sudo apt-add-repository -y ppa:teejee2008/ppa
sudo apt-get update
sudo apt-get install polo-file-manager

Ansible
https://github.com/panticz/ansible/tree/master/roles/polo/

cloud-image-utils

sudo apt install -y qemu-kvm cloud-image-utils
wget https://cloud-images.ubuntu.com/releases/18.04/release/ubuntu-18.04-server-cloudimg-amd64.img

# cat seed
#cloud-config
password: ubuntu
chpasswd: { expire: False }
ssh_pwauth: True
ssh_import_id: ${USER}

cloud-localds seed.img seed
sudo kvm-spice -m 2048 -drive file=ubuntu-18.04-server-cloudimg-amd64.img,if=virtio,cache=writeback -cdrom seed.img -net nic,model=virtio -net user,hostfwd=tcp::222-:22
# -balloon virtio

# login credentials:
user: ubuntu
pass: ubuntu

ssh ubuntu@localhost:2222

LXD: Create container with profile (connect to VLAN)

create profile
lxc profile copy default mgmt-dev
# lxc profile list
lxc profile device set mgmt-dev eth0 nictype macvlan
lxc profile device set mgmt-dev eth0 parent mgmt-dev-v4432
lxc profile show mgmt-dev

create container with profile
lxc launch ubuntu:18.04 bionic-mgmt-dev -p mgmt-dev
lxc ls

Enable container nesting
lxc config set bionic-mgmt-dev security.nesting true

Configure IP
cat < /var/lib/lxd/containers/bionic-mgmt-dev/rootfs/etc/netplan/50-cloud-init.yaml
network:
version: 2

Ubuntu: Instlal lldpd (Link Layer Discovery Protocol)

sudo apt install -y lldpd

# optional: enable Cisco CDP protocol
cat < /etc/default/lldpd
DAEMON_ARGS="-c"
EOF
service lldpd restart

# get info
lldpctl

Ceph

ceph status
ceph health detail
ceph df detail

Identify switch port to which the server is connected

# Show LLDP neighbors
networkctl lldp

lldpctl
http://www.panticz.de/lldpd

for NIC in $(find /sys/class/net -type l -not -lname "*virtual*" -printf "%f\n" | sort); do
echo "NIC: ${NIC}"
echo "NIC MAC: $(ethtool -P ${NIC})"
timeout 300 tcpdump -nn -v -i ${NIC} -s 1500 -c 1 "ether[20:2] == 0x2000"
done

Flash LibreELEC to S905X

wget https://kszaq.libreelec.tv/s905/8.2/8.2.3.1/LibreELEC-S905.arm-8.2-8.2.3.1.img.gz -P /tmp/
gzip -d /tmp/LibreELEC-S905.arm-8.2-8.2.3.1.img.gz -C /tmp
dd if=/tmp//tmp/LibreELEC.USB-SD.Creator.Linux-64bit.bin of=/dev/mmcblk0

1. remove power connector from the box
2. insert sd card to to the box
3. press button inside aux connector and connect power to the box
4. enable ssh service on the box
5. ssh root@your_box_ip (pass: libreelec)
6. installtointernal

Links
https://blog.sengotta.net/libreelec-auf-nexbox-a95x-installieren/
https://kszaq.libreelec.tv/s905/

Redfish

BMC_IP=10.0.1.123
BMC_USER=ADMIN
BMC_PASS=ADMIN

# Install redfishtool (CLI)
git clone https://github.com/DMTF/Redfishtool.git
cd Redfishtool/
python3 redfishtool.py -r ${BMC_IP} -u ${BMC_USER} -p ${BMC_PASS} Systems -F

for BMC_IP in 10.0.1.11 10.0.1.12 10.0.1.13; do
python3 redfishtool.py -r $BMC_IP -u $BMC_USER -p $BMC_PASS Systems -F | jq .SerialNumber
python3 redfishtool.py -r $BMC_IP -u $BMC_USER -p $BMC_PASS Systems -F | jq .IndicatorLED
done

python3 redfishtool.py -r $BMC_IP -u $BMC_USER -p $BMC_PASS Chassis list

kexec (reboot without hardware initialization)

echo "kexec-tools kexec-tools/load_kexec select false" | sudo debconf-set-selections
sudo apt install -y kexec-tools
#sudo kexec -l /boot/vmlinuz-4.15.0-32-generic --initrd=/boot/initrd.img-4.15.0-32-generic --reuse-cmdline
#sudo kexec -e
#systemctl kexec

sudo kexec -l /vmlinuz --initrd=/initrd.img --reuse-cmdline && sudo systemctl kexec

ironic / bifrost

# load env
. /opt/stack/bifrost/env-vars

# list nodes
ironic node-list

# remove / shutdown existing node
ironic node-set-provision-state foo.example.com deleted

# load node configuration
export BIFROST_INVENTORY_SOURCE=/opt/openstack-prepare-baremetal/bifrost/json/foo.example.com.json

# add new node
ansible-playbook -i inventory/bifrost_inventory.py enroll-dynamic.yaml
ironic node-update foo.example.com add properties/capabilities='boot_mode:uefi'

# deploy
ansible-playbook -v -i inventory/bifrost_inventory.py deploy-dynamic.yaml

# show node details

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