Category: general

A closer look at AMD EPYC baremetal servers at packet.net

I have already written about the baremetal servers at packet.net in September 2017, testing them with LXD. This post is an update were I try out their new AMD EPYC baremetal servers. This post is the first of a series of posts about the AMD EPYC baremetal servers. Specifically, A closer look at AMD EPYC …

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Permanent link to this article: https://blog.simos.info/a-closer-look-at-amd-epyc-baremetal-servers-at-packet-net/

Προβλήματα με γραμματοσειρές και ελληνικά (πρόβλημα με μ και π)

Τι πρόβλημα υπάρχει στο παρακάτω στιγμιότυπο; Πρόκειται για πρόβλημα στην επιλογή των γραμματοσειρών που θα απεικονίσουν τους χαρακτήρες ενός κειμένου. Αυτό που συμβαίνει στο παραπάνω παράδειγμα, είναι ότι ο συγκεκριμένος δικτυακός τόπος καθορίζει και παρέχει μια συγκεκριμένη γραμματοσειρά για την εμφάνιση του κειμένου, ωστόσο η γραμματοσειρά δεν υποστηρίζει το πλήρες σετ χαρακτήρων που χρειάζονται τα …

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Permanent link to this article: https://blog.simos.info/%cf%80%cf%81%ce%bf%ce%b2%ce%bb%ce%ae%ce%bc%ce%b1%cf%84%ce%b1-%ce%bc%ce%b5-%ce%b3%cf%81%ce%b1%ce%bc%ce%bc%ce%b1%cf%84%ce%bf%cf%83%ce%b5%ce%b9%cf%81%ce%ad%cf%82-%ce%ba%ce%b1%ce%b9-%ce%b5%ce%bb%ce%bb/

Using Arduino IDE for the ESP32 in a LXD container

The ESP32 is a dual-core microcontroller that has both WiFi and Bluetooth. The ESP32 is the next generation of the older single-core microcontroller ESP8266 that only had WiFi. You can perform most tasks that you did with the various Arduinos but with the ESP32 (or ESP8266) and you also have WiFi embedded into the microcontroller. …

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Permanent link to this article: https://blog.simos.info/using-arduino-ide-for-the-esp32-in-a-lxd-container/

Setting up the ESP32 in LXD on Ubuntu

The ESP32 is a dual-core microcontroller that has both WiFi and Bluetooth. The ESP32 is the next generation of the older single-core microcontroller ESP8266 that only had WiFi. You can perform most tasks that you did with the various Arduinos but with the ESP32 (or ESP8266) and you also have WiFi embedded into the microcontroller. …

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Permanent link to this article: https://blog.simos.info/setting-up-the-esp32-in-lxd-on-ubuntu/

How to run Julia on Jupyter in a LXD container

Julia is a computer language well-suited for scientists, engineers and students. I wrote the following introduction a couple of days ago. In this post we are going to see how to use Julia in the Jupyter interactive environment. This means that you run Julia commands in your browser and get the output in your browser. …

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Permanent link to this article: https://blog.simos.info/how-to-run-julia-on-jupyter-in-a-lxd-container/

How to run HelloWorld in radare2 (installed from a snap package)

You can write instructions in a language like English, just like I do now with this blog post. If you want to write instructions for a computer, you are likely to use some sort of intermediate language that will then be converted into raw instructions suitable for the computer. Those intermediate languages are the programming …

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Permanent link to this article: https://blog.simos.info/how-to-run-helloworld-in-radare2-installed-from-a-snap-package/