PREPARE
=======
~/wleiden/node-config/genesis/tools/gformat.py static ./gformat-static
~/wleiden/node-config/genesis/tools/gformat.py list up systems | sed 's/$/.wleiden.net./g' > hosts



APPLY PATCHES & WORKAROUNDS
===========================
ansible-playbook site.yml



MISC
====
# Find flapping interfaces 
ansible all -m shell -a 'dmesg | grep -c changed'

# Basic probing of all nodes
ansible all -m ping

# Schedule reboot in 5 minutes for all nodes
ansible all -m shell -a 'echo reboot | at "now + 5min"'

# Schedule reboot on all nodes (and retry of some node failed)
ansible-playbook reboot.yml
ansible-playbook reboot.yml --limit @/home/rvdzwet/reboot.retry


DIFFERENT DEVICES IN USE
========================
ansible all -m shell -a "arp -na | grep permanent"
ansible all -m shell -a "arp -na | grep -v permanent | grep expires"

MAC_PEERS="
00:0d:b9	# pcengines.ch alix2d13
00:00:24	# pcengines.ch APU


00:0b:6b	# Winstron CM9 mPCI Card
00:80:48	# Winstron CM9 mPCI Card
90:a4:de	# Winstron CM9 mPPI Card
00:1b:b1	# Winstron CM9 mPCI Card
a8:54:b2	# Winstron CM9 mPCI Card
30:14:4a	# Winstron CM9 mPCI Card

00:00:00	# USB dongle (broken)
00:60:6e	# USB Dongle
00:10:13	# USB Dongle
00:00:e8	# USB Dongle
00:80:8a	# USB Dongle
64:d1:a3	# USB Dongle

dc:9f:db	# NanoStationM
00:27:22	# NanoStationM
00:15:6d	# NanoStation
"