Netdata does real-time health monitoring and performance troubleshooting for systems and applications. It helps you instantly diagnose slowdowns and anomalies in your infrastructure with thousands of metrics, interactive visualizations, and insightful health alarms. When you set it up on your system, Netdata sets up a Web page where you can view real-time information, including CPU …
Category: general
Permanent link to this article: https://blog.simos.info/how-to-setup-netdata-in-a-lxd-container-for-real-time-monitoring/
Oct 28 2019
Testing CVE-2019-11043 (php-fpm security vulnerability) with LXD system containers
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/
Oct 22 2019
How to add both a private and public network to LXD using cloud-init
When you launch a new LXD container, LXD applies the default LXD profile unless you specify a different profile. By adding configuration to a LXD profile, you can launch containers with specific parameters such as specific network configuration. In the following we see how this default LXD profile looks like, and then use cloud-init instructions …
Permanent link to this article: https://blog.simos.info/how-to-add-both-a-private-and-public-network-to-lxd-using-cloud-init/
Aug 30 2019
Cloud-init support in LXD container images
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
Using the LXD Kali container image
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/
Jun 23 2019
I am running Steam/Wine on Ubuntu 19.10 (no 32-bit on the host)
Update #1 (26 December 2019): There is a newer overall post that describes the different ways to run a GUI program in a LXD container. And there is a fresh and simpler post that replaces this one. Original post continues below… I like to take care of my desktop Linux and I do so by …
Permanent link to this article: https://blog.simos.info/i-am-running-steam-wine-on-ubuntu-19-10-no-32-bit-on-the-host/
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