Linux Containers: Difference between revisions

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==Knowledge==
==Knowledge==
  sudo apt update ; sudo apt list --upgradable  
  sudo apt update && sudo apt list --upgradable  
  sudo apt upgrade; sudo apt autoremove
  sudo apt upgrade && sudo apt autoremove
  sudo apt install snapd
  sudo apt install snapd



Revision as of 08:07, 30 September 2021

sudo apt upgrade
sudo apt autoremove
sudo snap install lxd --channel=4.0/stable

Initial Setup

sudo lxd init
:'
Would you like to use LXD clustering? (yes/no) [default=no]: yes
What IP address or DNS name should be used to reach this node? [default=10.20.21.10]: 
Are you joining an existing cluster? (yes/no) [default=no]:   
What name should be used to identify this node in the cluster? [default=academia]: 
Setup password authentication on the cluster? (yes/no) [default=no]: 
Do you want to configure a new local storage pool? (yes/no) [default=yes]:   
Name of the storage backend to use (btrfs, dir, lvm, zfs) [default=zfs]: 
Create a new ZFS pool? (yes/no) [default=yes]: 
Would you like to use an existing empty block device (e.g. a disk or partition)? (yes/no) [default=no]: 
Size in GB of the new loop device (1GB minimum) [default=100GB]: 
Do you want to configure a new remote storage pool? (yes/no) [default=no]: 
Would you like to connect to a MAAS server? (yes/no) [default=no]: 
Would you like to configure LXD to use an existing bridge or host interface? (yes/no) [default=no]: 
Would you like to create a new Fan overlay network? (yes/no) [default=yes]: 
What subnet should be used as the Fan underlay? [default=auto]: 
Would you like stale cached images to be updated automatically? (yes/no) [default=yes] 
Would you like a YAML "lxd init" preseed to be printed? (yes/no) [default=no]: 
'

Instance Management

lxc image list images: ubuntu amd64
lxc image list images: ubuntu arm64
lxc image list images: ubuntu
lxc launch ubuntu:21.04 academia
lxc restart academia
lxc start academia
lxc stop academia
lxc list
lxc exec academia -- su --login chorke
lxc exec academia -- /bin/bash
lxc exec academia bash
lxc console academia
download from container to host
lxc file pull academia/etc/hosts ./

upload into container from host
lxc file push ~/.ssh/known_hosts academia/root/.ssh/
lxc stop academia && lxc delete academia
lxc delete academia --force

Knowledge

sudo apt update && sudo apt list --upgradable 
sudo apt upgrade && sudo apt autoremove
sudo apt install snapd
sudo snap install lxd --channel=4.0/stable
sudo snap install lxd --channel=3.0/stable
sudo snap install lxd
sudo lxd.migrate
sudo lxd init --auto
sudo lxd init
lxc remote list
lxc image  list
lxc image list images: alpine
lxc image list images: alpine arm64
lxc image list images: alpine amd64
lxc image list images: debian
lxc image list images: debian arm64
lxc image list images: debian amd64
lxc image list images: ubuntu
lxc image list images: ubuntu arm64
lxc image list images: ubuntu amd64

References