Month: December 2020

How to Install Blizzard Battle.net App on Ubuntu

Blizzard Entertainment is a game development company that creates some top-rated games that work well on Linux. Blizzard develops Battle.net, an online platform with multiple social networking services, digital rights management and digital distribution, etc. The only issue with Blizzard Battle.net is that it is not available in Linux. However, most of the games still …

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How to Enable and Disable Wayland on Ubuntu

You might have heard or even come across a Linux distribution using Wayland—for example, Fedora 25—as its default display server. Whether you are looking to test Wayland, understand what it is before using it, or learn how to enable and disable it on Ubuntu, this guide will prove valuable in one way or the other. …

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RubyGems Bitcoin Stealing Malware postmortem 4

RubyGems Bitcoin Stealing Malware postmortem

Introduction On the 7th and 13th of December, there were two malicious packages uploaded to RubyGems. Here’s the postmortem and analysis of the packages’ content. Diffend.io platform that I run closely cooperates with the RubyGems team, providing immediate insights into any gems that have “weird” characteristics. Thanks to that, the gems were yanked relatively fast. …

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The hidden cost of a Ruby threads leakage 6

The hidden cost of a Ruby threads leakage

Bug hunting Recently I’ve been working with one small application that would gradually become slower and slower. While there were many reasons for it to happen, I found one of them interesting. To give you a bit of context: the application was a simple single topic legacy Kafka consumer. I rewrote it to Karafka, and …

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What is the Firewall on Ubuntu

Ubuntu firewall doesn’t provide complete power than the standard iptables commands do still, one can control it by the graphical interface because it is less complicated. Ubuntu’s firewall is also known as ufw or uncomplicated firewall because it is easy to use and helpful for performing all of the basic firewall tasks without knowing iptables. …

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CPU Temperature in Ubuntu Linux

The temperature of the CPU/GPU depends upon the applications or programs that run in its system. If your device’s compatibility is not high, then your system may face an overheating issue. This system overheating issue occurs when the system’s temperature exceeds a specific limit. System overheating creates a performance-related problem while working on the laptop/computer. …

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Get List of Installed packages on Ubuntu 20.10

Ubuntu is a Linux based distribution that comes with many packages installed. Packages are a collection of files that require to build software. For example, if you want to install an application the first thing you do is download a package file through APT. The package is downloaded and compiled in the operating system in …

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