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Pablo Gallardo's Blog
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Tag Archives | linux

How to update and upgrade Ubuntu from terminal

This post explains how to update and install packages in Ubuntu from a terminal. It also explains how to perform a version upgrade. apt-get and apt is the same command. We use apt in this post because is shorter. To update the package source list or repositories, type this command: sudo apt update Take into […]

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Linux Sound Servers

This post explain what a sound server is, specifically in a Linux context, and provides a list of Sound Server APIs for Linux.   What is a sound server? A sound server is software that manages the use of and access to audio devices, usually a sound card. It commonly runs as a background process […]

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How to configure Eclipse for Python on Ubuntu

Eclipse is a free and open source IDE (Integrated Development Environment). One of its characteristics is its compatibility with multiple programming languages. Some of them (like Java, C++ or PHP) are integrated by default in Eclipse but other require additional configurations that must be completed by the user. This is the case of Python. PyDev […]

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How to convert a standard Ubuntu Computer into an audio Studio

This post is about how to convert a computer with vanilla Ubuntu OS installed into a FOSS DAW. The steps will be quite similar for other GNU/Linux distributions, but extra steps may be needed, for example, to allow JACK working on real-time. Ubuntu 21.10 is the version tested. Digital Audio Workstation (DAW) is a device […]

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How to install JRE or JDK in Ubuntu

This post explains how to install or update Java components JRE or JDK in operating system Ubuntu. It may be compatible with other Debian-like or Ubuntu-like Linux distros, like Linux Mint, etc.   Step-by-step Procedure 1. Install repository Open a terminal. Install repository from command line: sudo add-apt-repository ppa:<repositoryaddress> The repositories I found were (you […]

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How to check from command line if your user has admin rights

Linux Using sudo command You can run a command like this: timeout 2 sudo id && echo Access granted || echo Access denied Mac OS X Using sudo command You can use the same timeout command on Mac, but you need to install coreutils. To install coreutils using brew: brew install coreutils You might be […]

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How to package a Java App for Distribution

  Packaging a Java App for Distribution on Windows <pending> Packaging a Java App for Distribution on Mac OS X Follow the instructions by Oracle: https://docs.oracle.com/javase/7/docs/technotes/guides/jweb/packagingAppsForMac.html Packaging a Java App for Distribution on Linux <pending> External References Max Sauer & Patrick Keegan; “Packaging and Deploying Desktop Java Applications [with NetBeans]“; NetBeans “How to change Java […]

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How to print any special character on Ubuntu

Find the Unicode character linked to the character you want to print. Press Ctrl + Shift + u, then type the hexadecimal code of the Unicode character you want to print.   External references heemayl, “How to print special characters“, AskUbuntu.com

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List of file systems

List of file systems FAT A very old file system, based on 12 or 16 bits. It was replaced in more modern system by FAT32, and eventually by the current filesystems (ext4 for GNU/Linux and macOS X, NTFS for Windows). FAT32 It is probable the most compatible file system of all, readable and writable on […]

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How to install Windows XP

Disclaimer about Windows XP Windows XP is an operating system that is lacking official support from Microsoft since April 8, 2014. IT IS NOT RECOMMENDED TO USE THIS OPERATING SYSTEM ANYMORE. There are multiple known vulnerabilities that exposes your computer to security threads and viruses. You are not only posing yourself to a risk, but […]

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