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Pablo Gallardo's Blog
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Tag Archives | gnu

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 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 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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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 fix an unreadable USB Flash Drive on Ubuntu

Sometimes USB memory sticks just become unreadable, probably because we have remove it from the port before unmount it or because we had to force to stop a process that was operating with it. In any case, we would like to fix our USB to avoid loosing a valuable storage device. Some OS, like Windows […]

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How to install OpenFortiGUI on Ubuntu Linux

OpenFortiGUI is an open-source VPN-Client to connect to Fortigate VPN-Hardware. It is based on openfortivpn and adds an easy to use and nice GUI on top of it, written in Qt5. This is a tutorial of how to install OpenFortiGUI in Ubuntu Linux. In my case I used version Ubuntu 16.04 LTS. Installation Instructions 1. Add […]

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How to install Windows 10 in a Virtual Machine on Ubuntu Linux

There are different virtual machines available for Linux/Ubuntu, but in this tutorial we are using Oracle VM VirtualBox. VirtualBox is a free and open source virtualization software from Oracle. I installed VirtualBox on Ubuntu 16.04 LTS (Xenial Xerus).   1. Add VirtualBox to Ubuntu repository Go to Start > Software & Updates > Other Software […]

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