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  1. Pi-Hole on Raspberry Pi Zero: As more and more things become IoT and stay online and do who knows what about user data, it is right time to back control. This simple program can block ads at DNS level. Meaning you don't need an adblock anymore as ads never reach to you in the first place. This is truly a blackhole for ads! Minimum Requirements: Raspberry Pi Zero Wi-Fi (or new), MicroSD Card 8 GB, USB Drive, Micro USB Charger, Computer (You can use different ISO based on your preference. This looks complex but can be done in minutes! Steps: 1. Raspberry Pi OS (32-bit) Lite: https://downloads.raspberrypi.org/raspios_lite_armhf_latest 2. Write the ISO to USB Drive: https://sourceforge.net/projects/win32diskimager/ 3. In order to connect this over WiFi to your router, we have to create two files: a. wpa_supplicant.conf Create a text file with below info and then add ".conf" extension instead of .txt when you are done.: ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 country=<Insert 2 letter ISO 3166-1 country code here> network={ ssid="<Name of your wireless LAN>" psk="<Password for your wireless LAN>" } Create an empty text file and name it "ssh" without quotes. Remove the .txt extension. 4. Put both files in to "boot" folder of USB drive. Once you have written the ISO image, you will see a boot folder on USB. 5. Connect to Micro USB charger. 6. In order to connect this to your PC over your home Wi-Fi, get PuTTY: https://the.earth.li/~sgtatham/putty/latest/w32/putty-0.74-installer.msi 7. Now we need to find out the address our Pi Zero has been assigned by router. Find it from router. Usually it is in the range of 192.168.0.XXX 8. Now open PuTTY on PC. Enter above address and confirm the prompt to accept the connection from Pi Zero 9. Default username and password are "pi" and "raspberry" without any quotes. 10. Run this command and it is done! curl -sSL https://install.pi-hole.net | bash Now you can manage the Pi-Hole UI from any device over local Wi-Fi and see ads getting blocked. You can also add more adlists. Further detailed config: https://github.com/pi-hole/pi-hole
  2. The Raspberry Pi Foundation announced today that it has started working on implementing support for the open-source Vulkan graphics API for their Raspberry Pi single-board computers. While the latest Raspberry Pi 4 board is OpenGL ES 3.1 conformant, the company also wants to add support for the famous open-source Vulkan driver, which provides high-efficiency access to modern GPUs and better performance than the older OpenGL driver. But don’t get too excited about this because the Raspberry Pi Foundation is just getting started on this Vulkan on Raspberry Pi thing, which will be big for gaming on the tiny boards. According to Eben Upton, CEO of Raspberry Pi Trading, the company has a very long development roadmap ahead of them before they will be able to give users a working Vulkan driver. “While there have been community efforts in the direction of Vulkan support (originally on VideoCore IV) as far back as 2018, Igalia has only been working on this new driver for a few weeks, and we still have a very long development roadmap ahead of us,” said Eben Upton. Raspberry Pi 4 is the latest and most powerful Raspberry Pi board released by the Raspberry Pi Foundation. It features a 1.5GHz 64-bit quad-core ARM Cortex-A72 CPU (ARM v8, BCM2837), up to 4GB RAM (LPDDR4), dual-band 802.11 b/g/n/ac wireless, Bluetooth 5.0 (BLE), and Gigabit Ethernet. Raspberry Pi is one of the most popular development board out there as the Raspberry Pi Foundation also develops a Linux-based operating system for it called Raspbian, based on Debian GNU/Linux. Source
  3. Ubuntu MATE 18.04 for Raspberry Pi Enters Beta Testing, Here's What's New Ubuntu MATE leader Martin Wimpress announcedthe release of the beta version of the Ubuntu MATE 18.04 operating system for the tiny Raspberry Pi single-board computers. Martin Wimpress and his team have been working on refreshing the Raspberry Pi edition of the Ubuntu MATE operating system for a few weeks now, finally rebasing it on a newer LTS (Long Term Support) release, namely Ubuntu MATE 18.04 LTS (Bionic Beaver). After a few internal alpha images, the team is now ready to share the upcoming release with the Linux community, inviting them to try out the beta release of Ubuntu MATE 18.04 for Raspberry Pi, which brings lots of new features and improvements since the 16.04.2 release. "With this Beta pre-release, you can see what we are trying out in preparation for our next (stable) version," said Martin Wimpress. "We have done what we can to optimize the builds for the Raspberry Pi without sacrificing the full desktop environment Ubuntu MATE provides on PC."Here's what's new in Ubuntu MATE 18.04 for Raspberry PiHighlights of the Ubuntu MATE 18.04 for Raspberry Pi release include support for Raspberry Pi 2 Model B, Raspberry Pi 3 Model B, and Raspberry Pi 3 Model B+ single-board computers, support for Wi-Fi, Bluetooth, and Ethernet, as well as USB booting support. It also comes with video and audio out support via HDMI or Composite (video only), as well as HDMI and 3.5mm analog audio jack (audio only) connections, automatic online file system expansion, support for Python Wheels for Raspberry Pi, and GPIO access via GPIO Zero, WiringPi, and pigpio. Hardware acceleration is another strong point of the Ubuntu MATE 18.04 for Raspberry Pi operating system as it lets users watch videos and use advanced desktop features. It comes pre-installed with the fbturbo driver, hardware assisted video decoding for the VLC Media Player, and encoding via FFmpeg. It’s also possible to enable the experimental VC4 driver for better performance at the cost of stability loss, and you should keep in mind that the fbturbo driver is limited to 2D accelerated window moving and scrolling on the Raspberry Pi, and VideoCore IV hardware acceleration isn’t available for the arm64 images. Other than that, the operating system comes pre-installed with a port of the raspi-config utility for Ubuntu, the official Ubuntu kernel that’s being maintained by the Ubuntu Kernel and Security teams, as well as support for installing the Minecraft: Pi Edition video game and Steam Link app. If you want to take the Ubuntu MATE 18.04 for Raspberry Pi operating system for a test drive, you can download the beta release right now from the official website. Please note that this is a pre-release version, so bugs may still be present. Also, the devs recommend you use it with the latest Raspberry Pi 3 Model B+ SBC. Source
  4. How to install Cortana on a Raspberry Pi with Windows 10 IoT Core Setting up Cortana on the Raspberry Piusing Windows 10 IoT Core is relatively easy. Once you have everything you need, you can get Cortana up and running in as little as 30 minutes. Here’s a list of what you need. Raspberry Pi 3 Model B+ SanDisk 32GB microSD card (<40 Mbps) The Nokia MD-12 would a be a perfect accessory for this project. You need be able to hear Cortana and Cortana needs to hear you. So any kind of Bluetooth speaker with a microphone will work or even a pair of wired headphones with a microphone. Once you have all of these items, you can go about installing Cortana to the Raspberry Pi. Windows 10 IoT Core is easy to install to the Raspberry Pi and Microsoft provides its own installer. All you need to do is follow these steps. Step 1: Download Tools Microsoft makes it easier to download and install Windows 10 IoT Core by using an easy-to-use dashboard to handle formatting and flashing your microSD card. Using one program to do it all takes out the guesswork out of how to install an OS on a Raspberry Pi. All you need to do is download the Windows 10 IoT Core Dashboard from the link below. I also included the link to download the Windows 10 IoT Core Insider Preview for the Windows Insiders out there. Step 2: Install Windows 10 IoT Core Once the Windows 10 IoT Core disk image successfully flashes to the microSD card, put the microSD card into the Raspberry Pi. From there, plug in the USB microphone or wired headphones with microphone, HDMI cable from a monitor, and any other USB peripherals you need to finish the setup process. Step 3: Initial Setup Now, power up the Raspberry Pi and follow the setup prompts to finish setting up Windows 10 IoT Core. Once you pick your language, you will be brought to the Windows 10 IoT Core welcome screen. From here, you can access Windows 10 IoT Core settings through the gear cog icon. Remember to save your IP address for your Windows 10 IoT Core device. You will need this information later. In Settings, you can enable Cortana and have Cortana wake up when you say “Hey Cortana.” After you enable Cortana, you will be required to agree give Cortana access to listen and respond to your voice. Step 4: Give Cortana permission Follow the prompts to give Cortana permission to listen and respond to your voice. Once, you have given Cortana all the required permissions, it’s time to finish setting up your Raspberry Pi to act as your Cortana portal every time the Raspberry Pi boots. Step 5: Audio Settings In order to get to the dashboard pictured below, you will need to enter the IP address of the Raspberry Pi. Open a web browser and type in the Raspberry IP address, followed by port 8080. For example, your IP address should be entered as follows into your web browser: Before you can access the device portal, you will be asked for a username and password. The username by default is “administrator” and the password is the password you set up when you flashed Windows 10 IoT Core onto your microSD card. Once you are logged in, you can change the audio levels to make sure Cortana can hear and respond to your voice. You can also change your device name and password to access the Windows Device Portal. Step 6: Run Cortana on Boot The most important part of this process is to have Cortana enabled each time your Raspberry Pi boots. Windows 10 IoT Core makes it easy to change toggle Cortana on and off for each boot cycle. From the left of your Windows Device Portal dashboard, you need to go to Apps > Apps Manager. Find Cortana and toggle Cortana to start on Startup. Now, Cortana will start automatically every time the Raspberry Pi boots up. Windows 10 IoT Core is a great OS to install on your Raspberry Pi. Windows 10 IoT Core doesn’t require any Linux command knowledge and Windows 10 users will find the interface familiar and easy-to-use. While creating your own Cortana smart speaker is fun, I will say that Cortana is not as responsive as Cortana on Windows 10. Sometimes it takes a second or two for Cortana to be ready for your questions. At times, I did notice that this Cortana project utilized almost 100% of the CPU of the Raspberry Pi. Avoid running other projects on the Raspberry Pi that you use for your Cortana speaker using Windows 10 IoT Core. Source
  5. The AchieVer

    How to run DOS on a Raspberry Pi

    How to run DOS on a Raspberry Pi Please note: this tutorial is not for beginners. This tutorial requires the use of Raspian terminal commands which are text-based, so you’ll at least need to have basic Linux knowledge. You can’t run actual MS-DOS on the Raspberry Pi as is, instead you will be running DOS via an emulator. By using a combination of QEMU PC emulator and FreeDOS, you can play classic DOS games and run other DOS programs on the Raspberry Pi. Once you’ve set up QEMU as the virtual machine and installed FreeDOS, you can run DOS programs and games on the Raspberry Pi. At the moment, FreeDOS is the only DOS program that will allow you to run programs and games. The reason that you can’t install FreeDOS directly on the Raspberry Pi is because of the CPU architecture. Like any DOS, FreeDOS requires an Intel x86 CPU and a BIOS to provide basic runtime services. The Raspberry Pi operates using a completely different architecture, using an ARM CPU, which is not binary compatible with the Intel CPU and does not include a BIOS. Therefore, FreeDOS can’t run on the Raspberry Pi natively and instead must be used via an emulator. Raspberry Pi Setup First, you need a clean install of Raspbian installed on the Raspberry Pi. Raspbian is the operating system (OS) built specifically to be used on a Raspberry Pi. I used a Raspberry Pi 3 Model B+ for this, but any Raspberry Pi model should work. First, you need to install Raspbian to your Raspberry Pi. Follow the steps on how to install an OS to a Raspberry Pi. Raspbian is the OS you want to install. Once installed, you will want to open Terminal from the Raspbian desktop. Install FreeDOS to a Raspberry Pi QEMU is short for Quick EMUlator. QEMU is open-source virtual machine (VM) software that runs DOS as a “guest” operating system on Linux. It is no different from using a VM in Windows 10. The good news is that QEMU is already available on most Linux systems, including Raspbian, so there is no extra software to install. By typing in a few lines of Linux commands, you can have FreeDOS up and running in no time. By using QEMU, you need to create every component of your Virtual Machine (VM). Here are the steps and commands you need to use to install and run FreeDOS. First, you need to define the virtual disk image in Linux for FreeDOS. Since FreeDOS doesn’t take up much space, I used the following command: qemu-img create freedos.img 200M This command instructs QEMU to create a disk image named FreeDOS.img that is 200 MB in size. Now, you need to download and install the latest distribution of FreeDOS. Download the FreeDOS 1.2 CD-ROM “standard” installer (FD12CD.iso), as it works best for this scenario, so we will use that. First, you need to tell QEMU to use the CD-ROM image and boot from that. Remember that the 😄 drive is the first hard drive, so the CD-ROM will show up as the 😧 drive. In order to add the rest of the parts to make FreeDOS work on the Raspberry Pi, copy and paste the following command in its entirety: qemu-system-i386 -m 16 -k en-us -rtc base=localtime -soundhw sb16,adlib -device cirrus-vga -hda freedos.img -cdrom FD12CD.iso -boot order=d After inserting the command, follow the prompts and FreeDOS will be installed in no time. For your information, the previous command line tells QEMU to create a an Intel i386-compatible virtual machine with 16 megabytes of memory, a US-English keyboard, and a real-time clock based on my local system time. The command line also gives my VM a classic Sound Blaster 16 sound card, Adlib digital music card, and standard Cirrus Logic VGA card. The file, freedos.img, is designated as the first hard drive (C:) and the FD12CD.iso image is designated as the CD-ROM (D:) drive. QEMU is set to boot from the CD-ROM drive (D:). The FreeDOS 1.2 distribution is easy to install, all you need to do is follow the prompts. I provided some screenshots for what you should see after you insert the abovementioned Linux command for your reference. After installation is complete, reboot FreeDOS. After reboot, the FreeDOS distribution package already comes with pre-installed games and applications to use on DOS running through the QEMU emulator on the Raspberry Pi. FreeDOS also offers additional links to other DOS programs and games available for download on its website. Run FreeDOS on the Raspberry Pi Now that you have FreeDOS installed in QEMU, you might want to see how well FreeDOS runs DOS applications and games. Performance issues are rare, but you may experience slow read/run times whenever you are doing any disk I/O, including writing large amounts of data. Overall, I have not experienced any issues running DOS applications and playing DOS games. Right now, my favorite game to play using FreeDOS in QEMU is Doom. Doom was my favorite game to play when I was growing up. Similar games, including Wolfenstein and Heretic work well too. Again, because of the CPU architecture, you can’t run any DOS programs directly on the Raspberry Pi. However, it is nice to know that there is a workaround to run DOS applications and play DOS games on the Raspberry Pi via the QEMU PC emulator. Once you’ve set up QEMU as the virtual machine emulator and installed FreeDOS, you are all set to run all your favorite DOS programs and games on the Raspberry Pi. Source
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