Jan 29 2018
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 …
Permanent link to this article: https://blog.simos.info/checking-the-ubuntu-linux-kernel-updates-on-spectre-and-meltdown/
Jan 23 2018
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 …
Permanent link to this article: https://blog.simos.info/a-closer-look-at-the-new-hetzner-cloud-servers-by-running-lxd/
Dec 29 2017
retdec (RETargetable DECompiler) is a decompiler, and it is the one that was released recently as open-source software by Avast Software. retdec can take an executable and work back into recreating the initial source code (with limitations). An example with retdec Let’s see first an example. Here is the initial source code, that was compiled …
Permanent link to this article: https://blog.simos.info/installing-retdec-on-ubuntu/
Nov 07 2017
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 …
Permanent link to this article: https://blog.simos.info/how-to-use-sysdig-and-falco-with-lxd-containers/
May 03 2017
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 …
Permanent link to this article: https://blog.simos.info/how-to-run-graphics-accelerated-gui-apps-in-lxd-containers-on-your-ubuntu-desktop/
Apr 28 2017
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 …
Permanent link to this article: https://blog.simos.info/a-closer-look-at-the-new-arm64-scaleway-servers-and-lxd/
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