Tag: Linux

How to create a minimal container image for LXC/LXD with distrobuilder

In the previous post, Using distrobuilder to create container images for LXC and LXD we saw how to build distrobuilder, then use it to create a LXD container image for Ubuntu. We used one of the existing configuration files for an Ubuntu container image. In this post, we are going to see how to compose …

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Permanent link to this article: https://blog.simos.info/how-to-create-a-minimal-container-image-for-lxc-lxd-with-distrobuilder/

Booting up an AMD EPYC server at packet.net

This is the second post in the series. The first was about selecting the appropriate settings so that we can deploy a server. A closer look at AMD EPYC baremetal servers at packet.netBooting up the AMD EPYC baremetal server at packet.net (this post)Configuring LXD on the AMD EPYC baremetal server at packet.netBenchmarking LXD on an …

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Permanent link to this article: https://blog.simos.info/booting-up-an-amd-epyc-server-at-packet-net/

How to easily run graphics-accelerated GUI apps in LXD containers on your Ubuntu desktop

Note: This post is about LXD containers. These are system containers, which means they are similar to Docker but behave somewhat like virtual machines. When you start a LXD (lex-dee) container, you are starting a new system on your computer, with its own IP address and all. You can get LXD as a snap package. …

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Permanent link to this article: https://blog.simos.info/how-to-easily-run-graphics-accelerated-gui-apps-in-lxd-containers-on-your-ubuntu-desktop/

How to use LXD container hostnames on the host in Ubuntu 18.04

Update: 12 Oct 2018 – The systemd service file and the LXD lxdbr0 configuration have been updated according to the comment by mDfRgmd. Please check again and verify that you are using the updated version. If you have two LXD containers, mycontainer1 and mycontainer2, then you can reference each other with those handy *.lxd hostnames …

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Permanent link to this article: https://blog.simos.info/how-to-use-lxd-container-hostnames-on-the-host-in-ubuntu-18-04/

How to try LXD 3.0 beta

LXD is a container hypervisor/lighter-visor for Linux distributions. You kinda get the effect of a Linux virtual machine but using Linux containers instead. You can consider them as lightweight virtual machines. Currently, LXD is at version 2 (2.21) and soonish version 3.0 will be released. In this post we see how to get to try …

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Permanent link to this article: https://blog.simos.info/how-to-try-lxd-3-0-beta/

Checking the Ubuntu Linux kernel updates on Spectre and Meltdown (22 February 2018)

In the post Checking the Ubuntu Linux kernel updates on Spectre and Meltdown we saw the initial support of countermeasures in the Ubuntu Linux kernel for Spectre and Meltdown. Here is the output of the spectre-meltdown-checker script when I run it on 26th January 2018 (Ubuntu Linux kernel HWE 4.13.0.32), Today there was a kernel update …

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Permanent link to this article: https://blog.simos.info/checking-the-ubuntu-linux-kernel-updates-on-spectre-and-meltdown-22-february-2018/

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