Simos Xenitellis

Author's posts

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 initialize LXD again

LXD is the pure-container hypervisor that is pre-installed in Ubuntu 16.04 (or newer) and also available in other GNU/Linux distributions. When you first configure LXD, you need to make important decisions. Decisions that relate to where you are storing the containers, how big that space will be and also how to set up networking. In …

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Permanent link to this article: https://blog.simos.info/how-to-initialize-lxd-again/

How to install neo4j in an LXD container on Ubuntu

Neo4j is a different type of database, is a graph database. It is quite cool and it is worth to spend the time to learn how it works. The main benefit of a graph database is that the information is interconnected as a graph, and allows to execute complex queries very quickly. One of the …

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Permanent link to this article: https://blog.simos.info/how-to-install-neo4j-in-an-lxd-container-on-ubuntu/

How to create a snap for timg with snapcraft on Ubuntu

In this post we are going to see how to create a snap for a utility called timg. If this is the very first time you heard about snap installation packages, see How to create your first snap. Today we learn the following items about creating snaps with snapcraft, the source of timg comes with …

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Permanent link to this article: https://blog.simos.info/how-to-create-a-snap-for-timg-with-snapcraft-on-ubuntu/

How to make a snap package for lolcat with snapcraft on Ubuntu

In this post we are going to see how to make snap installation packages for a program called lolcat. What you need for this tutorial? This tutorial is similar to Snap a python application. If you first follow that tutorial, then this one will reinforce what you have learned and expand to dealing with more …

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Permanent link to this article: https://blog.simos.info/how-to-make-a-snap-package-for-lolcat-with-snapcraft-on-ubuntu/

Summary of @DellCarePRO Ubuntu Basics Webinar (Feb 2017)

Last week there was a webinar from @DellCarePRO titled Ubuntu Basic Webinar. Today the webinar video Ubuntu Basics Webinar has been posted online, and here is the summary. Introduction   Ubuntu installation as dual-boot             Talk by Barton George           There was emphasis that the initial …

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Permanent link to this article: https://blog.simos.info/dell-ubuntu-basics-webinar/