Category: security

How to use Sysdig and Falco with LXD containers

Sysdig (.org) is an open-source container troubleshooting tool and it works by capturing system calls and events directly from the Linux kernel. When you install Sysdig, it adds a new kernel module that it uses to collect all those system calls and events. That is, compared to other tools like strace, lsof and htop, it …

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Permanent link to this article: https://blog.simos.info/how-to-use-sysdig-and-falco-with-lxd-containers/

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

Update December 2019: See updated post Running X11 software in LXD containers  which uses LXD proxy devices and is easier to setup. Update June 2018: See updated post How to easily run graphics-accelerated GUI apps in LXD containers on your Ubuntu desktop  which describes how to use LXD profiles to simplify the creation of containers …

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

A closer look at the new ARM64 Scaleway servers and LXD

Update #1: I posted at the Scaleway Linux kernel discussion thread to add support for the Ubuntu Linux kernel and Add new bootscript with stock Ubuntu Linux kernel #349. Scaleway has been offering ARM (armv7) cloud servers (baremetal) since 2015 and now they have ARM64 (armv8, from Cavium) cloud servers (through KVM, not baremetal). But …

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Permanent link to this article: https://blog.simos.info/a-closer-look-at-the-new-arm64-scaleway-servers-and-lxd/

How to create a snap with snapcraft for howdoi (CLI utilility for stackoverflow)

In the tutorial How to create a snap for how2 (stackoverflow from the terminal) in Ubuntu 16.04 we saw how to create a snap with snapcraft for the CLI utility called how2. That was a software based on nodejs. In this post we will repeat the process for another CLI utility called howdoi by Benjamin …

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Permanent link to this article: https://blog.simos.info/how-to-create-a-snap-with-snapcraft-for-howdoi-cli-utilility-for-stackoverflow/

How to create a snap for how2 (stackoverflow from the terminal) in Ubuntu 16.04

Stackoverflow is an invaluable resource for questions related to programming and other subjects. Normally, the workflow for searching http://stackoverflow.com/, is to search Google using a Web browser. Most probably, the result will be a question from stackoverflow. A more convenient way to query StackOverflow, is to use the how2 command-line utility. Here is how it …

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Permanent link to this article: https://blog.simos.info/how-to-create-a-snap-for-how2-stackoverflow-from-the-terminal-in-ubuntu-16-04/

How to create a snap for a Python app with networking using snapcraft in Ubuntu 16.04

Update #1: 6 Feb 2017  httpstat needs curl. Originally, this HowTo would freshly compile curl from the github source. Now, this HowTo shows how to reuse the existing curl package from the Ubuntu repositories. In this post we see how to create a snap package (or, just snap) of some software in Ubuntu 16.04. A …

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Permanent link to this article: https://blog.simos.info/how-to-create-a-snap-for-a-python-app-with-networking-using-snapcraft-in-ubuntu-16-04/

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