GRML iPXE etboot from HTTP (without NFS)
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# downlaod Grml image
wget http://download.grml.org/grml32-small_2013.02.iso -O /tmp/grml32-small_2013.02.iso
# mount image
mount /tmp/grml32-small_2013.02.iso /mnt/ -o loop
# copy Grml files to tftpboot
mkdir /var/lib/tftpboot/live/grml/32-small/
cp /mnt/boot/grml32small/initrd.img /var/lib/tftpboot/live/grml/32-small/
cp /mnt/boot/grml32small/vmlinuz /var/lib/tftpboot/live/grml/32-small/
cp /mnt/live/grml32-small/grml32-small.squashfs /var/lib/tftpboot/live/grml/32-small/
# configure NFS
echo "/var/lib/tftpboot/live/grml/32-small *(ro,no_root_squash,async,no_subtree_check)
sysctl
# reduce swap usage https://en.wikipedia.org/wiki/Swappiness
OpenStack: Floating IP port forward (in development / experimental)
# List floatin IPs openstack floating ip list +--------------------------------------+---------------------+------------------+--------------------------------------+--------------------------------------+----------------------------------+
OpenStack: Debug DHCP
# get HIGH lease not found Octavia: Allow SSH login to Amphora VM
Allow SSH access
Openstack: Debug networking
Video: OpenStack Neutron Packet Walkthrough (DVR) by David Mahler
https://www.youtube.com/watch?v=7IXEtUEZslg
LineageOS: Samsung Galaxy Note 3
Download LineageOS image
https://download.lineageos.org/hlte
LXD with OpenvSwitch network
# create bridge ovs-vsctl add-br mybridge # ifconfig mybridge up ip link set mybridge up ovs-vsctl show # connect ovs bridge to external network ovs-vsctl add-port mybridge eno1
LXD: Network
Configure static IP address
lxc stop c1
lxc network attach lxdbr0 c1 eth0 eth0
lxc config device set c1 eth0 ipv4.address 10.0.0.12
lxc start c1ipv6