Category: general

How to develop the LXD hypervisor – Part #1 (client side lxc)

Background: LXD is a hypervisor that manages machine containers on Linux distributions. You install LXD on your Linux distribution and then you can launch machine containers into your distribution running all sort of (other) Linux distributions. In this post we see how to help develop the LXD hypervisor. That is, learn how to compile the …

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Permanent link to this article: https://blog.simos.info/how-to-develop-the-lxd-hypervisor-part-1-client-side-lxc/

Checking the Ubuntu Linux kernel updates on Spectre and Meltdown

Here is the status page for the Ubuntu updates on Spectre and Meltdown. For a background on these vulnerabilities, see the Meltdown and Spectre Attacks website. In this post we are trying out the Spectre & Meltdown Checker on different versions of the stock Ubuntu Linux kernel. Trying the Spectre & Meltdown Checker before any …

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Permanent link to this article: https://blog.simos.info/checking-the-ubuntu-linux-kernel-updates-on-spectre-and-meltdown/

How to use LXD instance types

Background: LXD is a hypervisor that manages machine containers on Linux distributions. You install LXD on your Linux distribution and then you can launch machine containers into your distribution running all sort of (other) Linux distributions. When you launch a new LXD container, there is a parameter for an instance type. Here it is, $ …

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Permanent link to this article: https://blog.simos.info/how-to-use-lxd-instance-types/

A closer look at the new Hetzner cloud servers, by running LXD

Hetzner just announced a new set of cloud servers at good competitive prices. Let’s try them out and run LXD! Cloud server information Here is the lineup of the new cloud servers, The cheapest is a single-core, 2GB RAM and 20GB disk Virtual Private Server, with practically unlimited traffic. This is good enough to run …

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Permanent link to this article: https://blog.simos.info/a-closer-look-at-the-new-hetzner-cloud-servers-by-running-lxd/

multipass, management of virtual machines running Ubuntu

If you want to run a machine container, you would use LXD.  But if you want to run a virtual machine, you would use multipass. multipass is so new, that is still in beta. The name is not known yet to Google, and you get many weird results when you search for it. Both containers …

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Permanent link to this article: https://blog.simos.info/multipass-management-of-virtual-machines-running-ubuntu/

How to initialize LXD again

LXD is the pure-container hypervisor that is pre-installed in Ubuntu 16.04 (or newer) and also available in other GNU/Linux distributions. When you first configure LXD, you need to make important decisions. Decisions that relate to where you are storing the containers, how big that space will be and also how to set up networking. In …

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Permanent link to this article: https://blog.simos.info/how-to-initialize-lxd-again/