Mellanox ConnectX-3 Pro UEFI iPXE boot 

  Device Type:      ConnectX3Pro
  Part Number:      MCX312B-XCC_Ax
  Description:      ConnectX-3 Pro EN network interface card; 10GigE; dual-port SFP+; PCIe3.0 x8 8GT/s; RoHS R6
  PSID:             MT_1200111023
  PCI Device Name:  /dev/mst/mt4103_pci_cr0
  Port1 MAC:        ec0d9a00aab1
  Port2 MAC:        ec0d9a00aab2
  Versions:         Current        Available    
     FW             2.42.5000      N/A          
     PXE            3.4.0752       N/A

Flash UEFI firmware
Request UEFI firmware from support@mellanox.com
http://www.panticz.de/mellanox/firmware-update

Install MFT
http://www.panticz.de/install-mellanox-mft

Flash firmware

flint -y -d /dev/mst/mt4103_pci_cr0 -i firmware fw-ConnectX3Pro-rel-2_42_5000-MCX312B-XCC_Ax-FlexBoot-3.4.752-UEFI-14.11.46.bin b
  Device Type:      ConnectX3Pro
  Part Number:      MCX312B-XCC_Ax
  Description:      ConnectX-3 Pro EN network interface card; 10GigE; dual-port SFP+; PCIe3.0 x8 8GT/s; RoHS R6
  PSID:             MT_1200111023
  PCI Device Name:  /dev/mst/mt4103_pci_cr0
  Port1 MAC:        ec0d9a00aab1
  Port2 MAC:        ec0d9a00aab2
  Versions:         Current        Available    
     FW             2.42.5000      N/A          
     PXE            3.4.0752       N/A          
     UEFI           14.11.0046     N/A

Fix iPXE boot issue (recompile ipxe.efi) when connected to LACP swith port
http://www.panticz.de/ipxe/compile

Yamaha RX-D485 / RX-V485

Yamaha Web Control
Live demo: http://yamaha.panticz.de/
Repository: https://github.com/panticz/yamaha-web-control

API

curl -q http://192.168.178.4/YamahaExtendedControl/v1/system/getFeatures  | jq .

Control
# Volume Up / Down
http://192.168.178.4/YamahaExtendedControl/v1/main/setVolume?volume=up&step=5
http://192.168.178.4/YamahaExtendedControl/v1/main/setVolume?volume=down&step=5

# Change input
http://192.168.178.4/YamahaExtendedControl/v1/main/prepareInputChange?input=usb
http://192.168.178.4/YamahaExtendedControl/v1/main/setInput?input=net_radio
http://192.168.178.4/YamahaExtendedControl/v1/main/setInput?input=server
http://192.168.178.4/YamahaExtendedControl/v1/main/setInput?input=spotify

# Power
http://192.168.178.4/YamahaExtendedControl/v1/main/setPower?power=on
http://192.168.178.4/YamahaExtendedControl/v1/main/setPower?power=standby

# Get Device info
http://192.168.178.4/YamahaExtendedControl/v1/system/getDeviceInfo

# Get Available Device Features
http://192.168.178.4/YamahaExtendedControl/v1/system/getFeatures

# Get Network Status
http://192.168.178.4/YamahaExtendedControl/v1/system/getNetworkStatus

# Get Function Status (e.g.: Auto Power Standby)
http://192.168.178.4/YamahaExtendedControl/v1/system/getFuncStatus

# Get Location info and zone list (device)
http://192.168.178.4/YamahaExtendedControl/v1/system/getLocationInfo

# Get zone info (device|zone)
http://192.168.178.4/YamahaExtendedControl/v1/main/getStatus

# Get Sound Program List (device|zone)
http://192.168.178.4/YamahaExtendedControl/v1/main/getSoundProgramList

Move Elasticsearch data to dedicated LV 

# create lvm
pvcreate /dev/disk/by-id/ata-INTEL_SSDSC2KB076T8_*
vgcreate data /dev/disk/by-id/ata-INTEL_SSDSC2KB076T8_*
lvcreate --name elasticsearch --size 2T data
mkfs.ext4 /dev/data/elasticsearch
 
# pre-sync data
mount /dev/data/elasticsearch /mnt/
rsync -aHAXx --numeric-ids /var/lib/docker/volumes/elasticsearch/ /mnt/
 
# sync data
docker stop elasticsearch
rsync --delete -aHAXxv --numeric-ids /var/lib/docker/volumes/elasticsearch/ /mnt/
rsync --delete -aHAXxv --numeric-ids /var/lib/docker/volumes/elasticsearch/ /mnt/
umount /mnt
 
# mount new LV

SSH reverse tunel over public host

@Office

cat <<EOF> ~/bin/proxy-ssh-forward.sh
#!/bin/bash
 
PROXY_SERVER=proxy.example.com
 
eval \$(ssh-agent) && ssh-add
 
while true; do
    echo "Connect to proxy ..."
    ssh -a -v -N -R 7422:localhost:22 -o ServerAliveInterval=30 -o ServerAliveCountMax=10 \${PROXY_SERVER}
    sleep 10
done
EOF
 
chmod +x ~/bin/proxy-ssh-forward.sh
nohup ~/bin/proxy-ssh-forward.sh

@Home

Deploy OpenStack host with Ironic and Redfish

Define node variables

NODE=com4-dev
NODE_BMC_HOST=com4-dev.ipmi.dev.i.example.com
NODE_MAC_NIC1=00:11:22:33:44:55

Define env variables

NODE_BMC_USER=ADMIN
NODE_BMC_PASS=ADMIN

Create now node with Redfish (pxe device boot broken)
https://docs.openstack.org/ironic/latest/admin/drivers/redfish.html

openstack baremetal node create \
  --name ${NODE} \
  --driver redfish \
  --driver-info redfish_address="https://${NODE_BMC_HOST}" \
  --driver-info redfish_username=${NODE_BMC_USER} \
  --driver-info redfish_password=${NODE_BMC_PASS} \
  --driver-info redfish_verify_ca=false \
  --driver-info redfish_system_id=/redfish/v1/Systems/1

Create now node with IPMI
https://docs.openstack.org/ironic/latest/admin/drivers/ipmitool.html

openstack baremetal node create \
  --name ${NODE} \
  --driver ipmi \
  --driver-info ipmi_address=${NODE_BMC_HOST} \
  --driver-info ipmi_username=${NODE_BMC_USER} \
  --driver-info ipmi_password=${NODE_BMC_PASS}

iPXE
https://docs.openstack.org/ironic/latest/admin/interfaces/boot.html#pxe-boot

ansible-galaxy

Ansible galaxy

ansible-galaxy install <REPOSITORY>
 
ansible-galaxy role install  --roles-path /tmp https://github.com/avanov/ansible-galaxy-pyenv/archive/refs/tags/1.2.0.tar.gz
mv /tmp/1.2.0 ~/.ansible/roles/avanov.pyenv

https://galaxy.ansible.com/bennojoy/network_interface/ - Network configuration
https://github.com/Oefenweb/ansible-postfix
https://galaxy.ansible.com/geerlingguy/gitlab/

Linux software RAID (mdadm)
https://galaxy.ansible.com/mrlesmithjr/mdadm

ansible-galaxy install mrlesmithjr.mdadm
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