Apr 05 2020
In this post we see how to get different types of network-isolated containers in LXD. Even if you are not interested in such things, doing this tutorial will help you understand better LXD proxy devices. LXD container with no networking To get a LXD container without networking, you omit the networking configuration in the profile …
Permanent link to this article: https://blog.simos.info/a-network-isolated-container-in-lxd/
Jan 24 2020
Update 22 May 2020: The Ubuntu container images have been updated to install on first boot the LXD Agent in the VM. The corresponding section below has been updated so that you can skip the manual step, if your VM image does it for you. Update 22 May 2020: See also the tutorial at https://discuss.linuxcontainers.org/t/running-virtual-machines-with-lxd-4-0/7519 …
Permanent link to this article: https://blog.simos.info/how-to-use-virtual-machines-in-lxd/
Dec 08 2019
With LXD, you can create system containers. These system containers are similar to virtual machines, while at the same time they are very lightweight. In a VM, you boot a full Linux kernel and you run your favorite Linux distribution in a virtualized environment that has a fixed disk size and dedicated allocation of RAM …
Permanent link to this article: https://blog.simos.info/discussion-on-running-x11-applications-from-within-lxd-system-containers/
Oct 28 2019
CVE-2019-11043 is a buffer overflow in php-fpm that under certain conditions, can lead to remote execution. There is an exploit at PHuiP-FPizdaM that targets certain nginx and php-fpm configurations. On their page, the describe how to use Docker to test this exploit. In this post, we use LXD to test the exploit and verify whether …
Permanent link to this article: https://blog.simos.info/testing-cve-2019-11043-php-fpm-security-vulnerability-with-lxd-system-containers/
Aug 30 2019
cloud-init is a tool to help you customize cloud images. When you launch a cloud image, you can provide to it with your cloud-init instructions, and the cloud image will execute them. In that way, you can start with a generic cloud image, and as soon as it booted up, it will be configured to …
Permanent link to this article: https://blog.simos.info/cloud-init-support-in-lxd-container-images/
Aug 28 2019
If you have a look at the list of container images for LXD (repository images:), you will notice the recent addition of the Kali container images. These were added by Re4son (@kali.org). But Kali is a security distribution, does it make sense to create system containers with Kali? LXD offers system containers, which are similar …
Permanent link to this article: https://blog.simos.info/using-the-lxd-kali-container-image/
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