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Ubuntu 15.10 for Raspberry Pi 2 Receives Another Linux 4.2 Kernel Update

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Immediately after announcing the availability of new kernel updates for all supported Ubuntu OSes, Canonical published another Ubuntu security notice to inform users about the release of another patch for the Linux kernel packages of Ubuntu 15.10 for Raspberry Pi 2.

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More in Tux Machines

Programming Leftovers

  • How To Install Django on Fedora 35 - idroot

    In this tutorial, we will show you how to install Django on Fedora 35. For those of you who didn’t know, Django is a free and open-source high-level Python Web framework built by experienced developers to encourage rapid development and pragmatic design of web applications for programmers and developers. Its main goal is to ease the creation of complex applications and take care of the internal structure. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the Django Python Framework on a Fedora 35.

  • C: getsockname Function Usage

    Socket programming is well-known and common in C programming between developers and users. Within this kind of programming, we tend to connect two endpoints. These endpoints can be two servers, one server, one socket, etc. As the name suggests, the “getsockname” function is utilized to get the name of a socket working in the network. It may or may not be the socket name, but the address of that particular socket would be displayed using this function. Therefore, we have tried a simple method to illustrate the getsockname() function in C within this guide. Let’s take a fresh look at its example while working on the program using Ubuntu 20.04 Linux system.

  • How Do I Use Keyboard Shortcuts in Jupyter?

    Jupyter Notebook is a client-server application in which users can edit and run their notebook documents through a browser. The notebook documents that are created in Jupyter notebook consist of python or programming code and rich text elements such as paragraphs, images, links, and equations. When you work as a programmer, you like to use quick keyboard shortcuts to solve the routine work. These shortcuts help you to complete the programming code easier and quickly. In Jupyter notebook, various functions and notebook cell options are available that you can manage efficiently using the keyboard shortcuts. Most of the users do not know how they can find and use these shortcuts in the Jupyter notebook. However, today you will learn about all the keyboard shortcuts used in the Jupyter notebook.

  • How to Enable and Use Autocomplete in Jupyter Notebook

    No matter how good you are at writing computer programs, it is hard to remember all function names, syntax, and function parameters. So, programmers are required to use the auto code completion or IntelliSense menu feature in the Jupyter notebook. Usually, programmers and developers are familiar with different auto-completion tools. The code autocomplete feature by default included in most of the source code editors through which you can view IntelliSense menu or code suggestions inside the drop-down in a program file. The code autocomplete functionality saves you time for writing complex programs, receives fewer bugs, and you can quickly include methods, attributes, and classes in your code using drop-down suggestions.

Review: UBports on the PinePhone

At the end of 2021 I posted a review about the PinePhone and what it was like running the device's default operating system: Manjaro Linux featuring the Plasma Mobile interface. While I've had decent experiences with Plasma Mobile in the past, the combination of Manjaro, the PinePhone, and this interface left a lot to be desired. It was slow, it was unstable, and there were issues with the battery charge indicator. To make matters worse, the default applications were not polished or well named. It was a rough experience and, though I can see where there is hope for Manjaro on the PinePhone, I was eager to try something different. In the past I have had mostly good experiences with the UBports distribution. UBports is a community project which has continued Canonical's Ubuntu Touch operating system for smart phones and tablets. Since I've run UBports on devices which didn't have any more memory or processing power than the PinePhone, I was optimistic about trying out the PinePhone with this alternative distribution. Read more

Switching from OpenNTPd to Chrony

A friend recently reminded me of the existence of chrony, a "versatile implementation of the Network Time Protocol (NTP)". Read more

today's howtos

  • How to Enable MySQL/MariaDB Query Logging

    In this short and easy to follow guide, we cover how to enable MySQL/MariaDB query logging and save queries to a file. When using a database, it often happens that developers want to know what’s going on behind the scene. Whether it is for troubleshooting, performance tuning, or out of sheer curiosity. General query logs remain one of the most popular sources of auditing and diagnostic information in MySQL/MariaDB databases. After logging is enabled, the database server will write information to the log file when clients connect or disconnect, and it will log each SQL statement.

  • How to install Zotero on Ubuntu 22.04 or 20.04 LTS - Linux Shout

    Zotero is a reference management system and academic network, here we learn the steps to install Zotero in Linux such as Ubuntu 22.04 Jammy JellyFish or Ubuntu 20.04 Focal Fossa. Zotero is an open-source and free tool that helps in collecting, organizing, citing, and sharing research. It consists of two components: Zotero standalone (Mac, Windows, Linux) with a plugin for Firefox, Google Chrome, and Safari; Zotero web application: computer-independent access to your library, finding and setting up groups on specific topics (see collaboration), making contacts with others. The two components of this tool can be synchronized with each other. If you are often involved in extensive projects at work or have to write a large-scale work during your studies, you quickly lose track of the sources used. With Zotero, you keep all information together and create a clear library for your project without much effort. It is particularly suitable for literature research on the Internet and the direct transfer of the researched data and works in groups that want to manage literature together.

  • How to Copy Directory in Linux: (Beginner to Advance)

    While working in several operating systems, we use to add files and folders, cut, copy, edit and delete them as per our choice. Just like all these, the Linux system provides us the opportunity to copy a single folder to another folder even though the folder is empty or not. Therefore, we will discuss some easy methods to copy one directory to another in Ubuntu 20.04 system. Let’s have a fresh start by using the different ways to copy a directory from one place to another in Linux. For this particular purpose, we must open up the terminal shell as we are going to do all things in it. There are two ways to open it. One is from the activity search area and the other is the shortcut key “Ctrl+Alt+T”. Practice one of the mentioned methods to open it and start implementing the commands in it one by one.

  • How to Change Default Torrent Client for Magnet Links in Ubuntu 20.04+ | UbuntuHandbook

    When clicking a magnet link in Chrome browser, it pops-up with “Open xdg-open” option allows to launch the default app to start the downloading. Unlike Firefox, Google Chrome does not offer an option to choose which app to handle the link. Instead, it launches the default app directly. For those want to change this default app to handle magnet links, here’s how to do the trick in Ubuntu.

  • How to install Microsoft Fonts on Elementary OS 6.0 - Invidious
  • How to install VCV Rack 2 on a Chromebook

    Today we are looking at how to install VCV Rack 2 on a Chromebook. Please follow the video/audio guide as a tutorial where we explain the process step by step and use the commands below.

  • How to Install Papirus Icon Theme on Ubuntu - OMG! Ubuntu!

    Changing the icon theme on Ubuntu is an easy way to give your desktop a new look and feel. In this post we show you how to install Papirus icons on Ubuntu from a PPA. Why use the Papirus icon set? Because it’s good — in fact, it’s one of the best icon themes for Ubuntu not to mention other Linux distros like Linux Mint, Zorin OS, and Manjaro. Thousands of users use this set, and several Linux distributions ship it as their default.

  • Exploring GIT Commit Hashes & Generating Cryptographic Zeros – Jon's FOSS Blog

    So I was trying to research what goes into generating a GIT commit hash and I thought I would try to personalize the cryptographic hash output a little bit. My computer isn’t that powerful but it may be possible to generate more zeros!