This post explains how to run software Zemax OpticStudio on Ubuntu. The Ubuntu version that was used for this tutorial was 22.10 (2022), and the Zemax OpticStudio was ZEMAX-EE Optical Design Program (2003). Instructions may vary depending on the version.…
This post is a non-exhaustive list of free and open source (FOSS) video editors for Linux. List of free and open source Video Editors for Linux Featured video editors: Pitivi Kdenlive Openshot Flowblade Pitivi It is part of GNOME…
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…
This post explains how can we identify the model of a wireless router using Linux. Step by step 1. Set your wireless adapter in monitor mode Check this post about how to put a wireless adapter in monitor mode in…
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…
This post explains how to check if your user has admin rights using your command line. Linux Using sudo command You can run a command like this: timeout 2 sudo id && echo Access granted || echo Access denied Mac…
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“,…
This post lists some popular disk file systems. List of file systems FAT FAT is 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…
Let’s say you have a computer that have Windows 10 as its default operating system (OS). Then you manage to install a Linux distribution (e.g., Ubuntu) alongside Windows 10. But then you change your mind and you want to restore…
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…