today's howtos

posted by Roy Schestowitz on Jul 30, 2023

• Beginner’s Guide: How to Install Java on Ubuntu in Easy Steps

  Some programs/tools/utility on Ubuntu required java/JVM, without java these programs are not working. Are you facing the same problem?

• Understanding Ubuntu’s Repository System

  Learn the underlying mechanism of the repository system in Ubuntu to better handle the package management and avoid common update errors.

• How To Remove Windows from UEFI Boot Menu After Installing Ubuntu

  In this article, we will walk you through the process of removing Windows from the UEFI boot menu after installing Ubuntu. This might be necessary if you have decided to completely switch over to Ubuntu and no longer need the Windows boot option.

  [...]

  To remove Windows from the UEFI boot menu after installing Ubuntu, you need to access the terminal, identify the Windows boot entry using the efibootmgr command, remove the boot entry using the efibootmgr -b -B command, delete the Windows folder from the EFI partition, and update GRUB to hide the GRUB menu.

• Don’t leave network blind spots

  In this post, I discuss recent research by Hassan Habibi Gharakheili, Vijay Sivaraman, and myself from the School of Electrical Engineering and Telecommunications, University of New South Wales that presents a solution for monitoring the enterprise hosts with fine-grained visibility into their network behavioural profiles.

  This research passively analyses network traffic from/to all connected hosts in an enterprise network, regardless of their SOE configuration status. By constructing specialized network behavioural profiles with AI-based classifications, real-time inference on the network behavioural patterns of hosts and potential anomalies are generated for IT departments.

• I Use Neovim

  I usually tend to write about the tools that I use, whether it’s programming, or writing for my blog. Well, this time, I guess it’s a bit of both. As I’m now using Neovim for practically any task that involves writing text.

• Shakespeare Serif - an experimental font based on the First Folio

  Now, before setting off on a journey, it is worth seeing if anyone else has tried this before. I found David Pustansky's First Folio Font. There's not much info about it, other than it's based on the 1623 folio. It's a nice font, but missing brackets and a few other pieces of punctuation. Also, no ligatures. And the long s is in the wrong place.

  So, let's try to build a font!

• Operating a SOC Analyst Home Lab

  The cybersecurity industry is vast and entails many specialized topics. No one person can learn or know everything and the breadth of concepts to learn can seem overwhelming. Admittedly, I spent a considerable amount of time looking at the different types of cybersecurity career paths out there. On that note, one of the best decisions I’ve made regarding cybersecurity education and career insights was joining the WreckItmech Oxvmx TechHub server on Discord. It’s a safe supportive space where seasoned and aspiring cybersecurity professionals can communicate with each other.

• How to Fix the Ubuntu 23.04 Login Error on VMware

  Ubuntu 23.04 was released to the public in April 2023 with support until April 2024. Although an interim release, major updates such as a better GUI with GNOME 44, GPU support with Mesa 23 drivers, and overall faster performance through the Linux 6.2 kernel had many people trying it out as a virtual machine.

  However, if you try installing Ubuntu 23.04 on VMware, you'll likely face a login problem even if you've configured your machine correctly.

  If you're having trouble with the login screen when trying to install "Lunar Lobster" on VMware, below is a step-by-step on how to fix the problem.