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For Linux workloads on Linux clouds, containers offer a new dimension of performance. Canonical created the LXD hypervisor which is a pure-container approach to virtual machines. In this session project leads will show the performance and density implications of a container cloud, discuss the security of containers in public cloud environments and outline and future direction for LXD and containers in Ubuntu OpenStack. https://www.openstack.org/software/

Speaker(s):
Ryan Harper
James Page: https://twitter.com/javacruft

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#OpenInfra #Keynotes #OpenSource

If you're using LXD for container development, and you're unable to access those containers from your LAN, you need to create a bridge. Jack Wallen shows you how.

For the full step-by-step article, head to https://www.techrepublic.com/a....rticle/how-to-set-up

List of Commands:

lxc launch ubuntu:20.04
lxc list
lxc config device add hip-aardvark eth0 nic nictype=bridged parent=br0 name=eth0
lxc list
lxc exec hip-aardvark /bin/bash
less /etc/netplan/50-cloud-init.yaml

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While on set shooting an episode for the web series "THE LXD" We decided to use the time and place wisely, in between takes and shoot a little western film of our own :) I hope you enjoy!!!

Written/Directed/Filmed/Edited by Daniel Cloud Campos

Music - The Lone Ranger Theme Song
The Good, The Bad & The Ugly Theme Song

Special Thanks to Jon M Chu and the Cast & Crew of THE LXD!!!!

There is a Canonical LXD web interface as of LXD v5.14. I have covered the third party interfaces for LXD including lxdui, LXD Mosaic, and LXD Dashboard. In this video we learn how to configure the Canonical LXD web interface.
Show Notes:
https://discussion.scottibyte.....com/t/lxd-built-in-g
------------
Come visit us at: https://www.scottibyte.com
Discourse: : https://discussion.scottibyte.com
RocketChat: https://chat.scottibyte.com

The LxD, Low Strike Duo, is a dual-response, two channel, direct-coupled, Low Pass Gate, which utilizes vactrols in order to provide simultaneous control over the Amplitude and Frequency Spectrum of an INput Signal. It is, in essence, a VCFA (Voltage Controlled Filter Amplifier). Unlike the Optomix, the LxD offers two different filter responses. CH. 1 offers a 12db/ Octave response that is mildly-resonant, while CH. 2 offers a 6bd/ Octave that is non-resonant. The OUTput of CH. 1 is normalled to the INput of CH. 2. This normalization puts the two channels in series, which is similar to the VCF into VCA arrangement made popular by many monosynths of the 1970’s.

Classic VCF-VCA arrangement in small 4hp module

STRIKE INput allows use of Gate signal to trigger Low Pass Gate circuit, "plucking" or "striking" the vactrol

Low noise, low distortion, smooth, natural-sounding circuit

Direct coupled, process audio or control signals

Utilizes 2 vactrols

Pairs well with STO and MATHS

http://www.makenoisemusic.com/lxd.html

Accessing LXD has traditionally required and granted a lot of privileges.
Effectively making anyone who could interact with LXD a full local administrator.

This isn't very compatible to restricted or multi-user systems where a specific user shouldn't be able to elevate their privileges and take over the entire system.

With LXD 4.22, LXD introduced a new user daemon which allows for two level of LXD interactions, the traditional complete LXD access granted to system administrators and a new, much more restricted kind of access suitable to regular users.

Such users get an automatically generated LXD projects allowing them to run their own (unprivileged) containers and virtual-machines, isolated from anyone else's instances and sufficiently restricted to prevent privilege escalation.

RESOURCES:
- Blog: https://ubuntu.com/blog/shared....-development-environ
- Forum post: https://discourse.ubuntu.com/t..../easy-multi-user-lxd
- LXD projects: https://documentation.ubuntu.c....om/lxd/en/latest/pro
- Website: https://ubuntu.com/lxd
- Community forum: https://discourse.ubuntu.com/c/lxd/

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Childhood friends Stereo, Phono and Minijack are the self-declared biggest fans of The LXD and dream of someday becoming LXD members themselves.

Discover more about The LXD: http://bit.ly/L9p255


Facebook: http://on.fb.me/IRGSdK

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--------------------------------------------------------------------------------­­--


THE LXD CREDITS: http://imdb.to/O3AeFV

Docker can be used inside of LXD containers, allowing for some specific applications and services to be installed through Docker just as one would on a physical server or virtual machine.

This can be useful to have LXD provide full system containers or virtual machines for a variety of users or projects, some using Docker and some not.

COMMANDS:
- lxc storage create docker btrfs
- lxc storage volume create docker demo
- lxc launch images:ubuntu/20.04 demo
- lxc config device add demo docker disk pool=docker source=demo path=/var/lib/docker
- lxc config set demo security.nesting=true security.syscalls.intercept.setxattr=true security.syscalls.intercept.mknod=true
- lxc restart demo

RESOURCES:
- Docker install guide: https://docs.docker.com/engine/install/ubuntu/
- LXD instance documentation: https://documentation.ubuntu.c....om/lxd/en/latest/ins
- LXD storage documentation: https://documentation.ubuntu.c....om/lxd/en/latest/exp

TIMESTAMPS:
0:00 Introduction
2:46 Creating the LXD container
6:15 Installing Docker
7:18 Running Hello World
7:35 Running an Ubuntu Docker container
8:10 Running Nextcloud
9:50 Conclusionhttps://linuxcontainers.org/lx....d/docs/master/storag

"Container" is the new buzzword, but it doesn’t just mean Docker! This course will dive into LXC (LinuX Containers) and its container manager, LXD. Students will explore how containers work, how they compare with virtual machines and Docker containers, and how they handle application isolation. Students will get hands-on by installing and configuring containers and thoughtfully selecting a persistent storage strategy. The course also covers the intricacies of container networking including inter-container communication, managing container networks, and exposing container ports on the host. For advanced students, several use cases are explored and implemented using this exciting technology.

https://linuxacademy.com/linux..../training/course/nam

----------

About Chad:

Chad loves teaching everything. In college, he got his B.S. with a double major in Computer Science and Theater, which means he loves the fine details of programming and I.T. and also entertaining. Teaching at the Linux Academy, then, became inevitable. He has years of experience teaching technical professionals everything from database design to OpenStack and has spoken at conferences on topics ranging from containers to the best way to configure a storage cluster. In his limited spare time, he keeps bees in his suburban Austin back yard, builds gadgets out of Arduinos and Raspberry Pis, plays video games, and reads everything he can get his hands on.

Linux Academy – https://linuxacademy.com/
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We're starting to roll out our favorite dance scenes from LXD episodes, right here exclusively on DS2DIO! Next up: One of our favorite dance moments from Season 2, Episode 3 of The LXD -- RISING.

Here's the full episode: http://bit.ly/10urInQ

What are YOUR favorite dance moments from The LXD??

This clip features:

Jesse 'Bboy Casper' Brown
http://bit.ly/UWI2P1

Marc Marvelous
http://bit.ly/UfnbUM

Adedamola Orisagbemi

Nicholas Stewart

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LXC, coupled with LXD, is very similar to Docker and CoreOS's Rkt, but there are subtle differences that set them apart.

LXC is based around a Linux kernel feature called Cgroups (Control Groups), which was originally developed by Google way back in 2007. Cgroups provides Linux with functionality seen in FreeBSD jails, such as namespace allocation and process quotas.

LXC allows for the creation of operating-system-level containers, which is semantically different than Docker which focuses on application-level containers. LXC containers can be thought of as Nano-OS's.
~~
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LXD is a next-gen, image-based container deployment tool. Jack Wallen walks you through the process of installing LXD and deploying a container.

For the full step-by-step article, head to https://www.techrepublic.com/a....rticle/how-to-use-lx

List of Commands:

sudo apt-get install lxd -y
sudo usermod -aG lxd $USER
newgrp lxd
sudo lxd init
lxc launch ubuntu:16.04
lxc list
lxc exec CONTAINER_NAME /bin/bash
lxc stop CONTAINTER_NAME
lxc delete CONTAINER_NAME

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