Lxd
Aus Vosp.info
Inhaltsverzeichnis
Installation
/etc/netplan/01-netcfg.yaml
network:
version: 2
renderer: networkd
ethernets:
enp0s31f6:
addresses:
- X.X.X.X/32 # IP vom SERVER
- 0x00:0x0:0x:0000::0/64
routes:
- on-link: true
to: 0.0.0.0/0
via: 95.216.34.1
gateway6: fe80::1
nameservers:
addresses:
- 213.133.XX.XX
- 213.133.XXX.XXX
- 213.133.XXX.XXX
- 2a01:4f8:X:X::add:XXXX
- 2a01:4f8:X:X::add:XXXX
- 2a01:4f8:X:X::add:XXXX
bridges:
vmbr0:
addresses: [ X.X.X.X/28 ] #IP von der Bridge
parameters:
stp: false
forward-delay: 4
netplan apply
apt install lxd
adduser nc
adduser lxd
adduser nc lxd
lxd init
# /media/data/serverconf/lxd.yaml
config: {}
networks: []
storage_pools:
- config:
source: /dev/md2
description: ""
name: default
driver: zfs
profiles:
- config: {}
description: ""
devices:
eth0:
name: eth0
nictype: bridged
parent: vmbr0
type: nic
root:
path: /
pool: default
type: disk
name: default
cluster: null
Befehle
lxc list
lxc profile list
lxc network list
lxc storage list
lxc image list images:
lxc image list images: |egrep focal| egrep amd64
lxc image list
Begrenzungen
limits.cpu 0,3
lxc config set ancencrypt limits.memory 1GB
# Überprüfen
cat /proc/cpuinfo | grep processor
free -h
Migration lxc Container zu lxd Container
Migrations Skript
#!/bin/bash
if [ "$1" == "" ]; then
echo Beispiel: $0 containername betriebsystem
exit 1
fi
if ! [ -d "/var/lib/lxc/$1" ] ; then
echo /var/lib/lxc/$1 existiert nicht!
exit
fi
if [ "$2" == "" ]; then
echo Beispiel: $0 containername betriebsystem
echo lxc image list images:
echo es wird ubuntu:20.04 genomme
besys='ubuntu:20.04'
else
besys=$2
fi
echo $0 $1 $besys
CONTAINER_NAME=$1
STORAGE_POOL=default
STORAGEPATH=/var/snap/lxd/common/lxd/storage-pools/${STORAGE_POOL}/containers/
lxc-stop -n ${CONTAINER_NAME}
lxc init $besys ${CONTAINER_NAME} -c security.privileged=true -c boot.autostart=true
#lxc stop ${CONTAINER_NAME}
#lxc config set ${CONTAINER_NAME} boot.autostart true
###
# zfs list
## Benutze NAME z.B default/containers/ncsync
zfs mount default/containers/${CONTAINER_NAME}
verschiebt den orginalen rootfs
mv ${STORAGEPATH}${CONTAINER_NAME}/rootfs{,.org}
rsync -ah --stats --progress --numeric-ids /var/lib/lxc/${CONTAINER_NAME}/rootfs ${STORAGEPATH}${CONTAINER_NAME}/
mv ${STORAGEPATH}${CONTAINER_NAME}/rootfs/dev{,.org}
rsync -ah --stats --progress ${STORAGEPATH}${CONTAINER_NAME}/rootfs.org/dev ${STORAGEPATH}${CONTAINER_NAME}/rootfs/
rm -r ${STORAGEPATH}${CONTAINER_NAME}/rootfs.org
umount ${STORAGEPATH}${CONTAINER_NAME}
#sed -i 's|lxc.start.auto = .*|lxc.start.auto = 0|g' /var/lib/lxc/${CONTAINER_NAME}/config
lxc config set ${CONTAINER_NAME} volatile.eth0.hwaddr $(grep lxc.net.0.hwaddr /var/lib/lxc/${CONTAINER_NAME}/config | cut -d"=" -f2)
lxc config show ${CONTAINER_NAME}
#lxc-ls -n ${CONTAINER_NAME} -f
lxc start ${CONTAINER_NAME}
lxc stop ${CONTAINER_NAME}
lxc config set ${CONTAINER_NAME} security.privileged false
lxc start ${CONTAINER_NAME}
lxc stop ${CONTAINER_NAME}
lxc config set ${CONTAINER_NAME} security.privileged true
lxc start ${CONTAINER_NAME}
lxc stop ${CONTAINER_NAME}
lxc config set ${CONTAINER_NAME} security.privileged false
lxc start ${CONTAINER_NAME}
lxc list
Probleme
- irgendwie mit symlinks
Quellen
- verwendete links