Pi nas

Mar 6, 2022 · Argon EON will be around $150, add around $80 for a 4GB Raspberry Pi 4 and a 4TB drive for $93 and we hit $323, a saving of $63 over just the Synology enclosure. Adding the same drive to the ... Mathematics is a field that often presents us with interesting symbols and notations. One such symbol that holds immense significance in the world of math is the pi sign (π). The o...Insert a USB drive into the Raspberry Pi. You should almost immediately see it mounted under the “ /media” folder. $ ls /media. Note: The mount folders use the following convention: {volume ...Feb 20, 2024 · A NAS-Friendly Case (optional): If you want your system to have a clean look, it may behoove you to get an enclosure that fits your Pi and connected drives. This will also help to organize the ... I've built a few Raspberry Pi NASes in my day, but none were *this* nice.The Wiretrustee SATA is listed on Crowd Supply and will allow you to plug in a Raspb...A NAS-Friendly Case (optional): If you want your system to have a clean look, it may behoove you to get an enclosure that fits your Pi and connected drives. This will also help to organize the ...Set up a Raspberry Pi NAS with updated instructions for 2020! Tldr; Build a local Dropbox-like system on a Raspberry Pi without spending hundreds on a dedicated NAS (Network attached storage). In 2019, Dropbox limited the number of devices you can connect in a free account, and as someone who has multiple computers (don't ask), this made me pause.The fastest disk speed I could get with software mdadm-based RAID was about 325 MB/sec, and that was with RAID 10. Parity calculations may make that maximum speed even lower! Using hardware RAID allowed me to get over 400 MB/sec. That's a 20% performance increase, AND it leaves the Pi's CPU free to do other things.Follow these steps to ensure your Raspberry Pi is ready for the NAS installation: Assemble the Raspberry Pi: Connect the Raspberry Pi to a monitor, …10 Dec 2022 ... PI might not be the best option but, it's an option. Taking a PC and putting *nix on it and configuring samba isn't that big of a hurdle. Now, ...This is a dual-core processor is capable of pushing 4K @ 60Hz, as are the J4105 and J4125 that power the Asustor and the QNAP systems, respectively. In fact, comparing these chips, apart from ...Another Banana Pi NAS Box: The Banana Pi is a small, low power computer board much like the Raspberry Pi. A few details separate the Banana Pi though and make it a better option to be used as a small, nearly silent, headless (no monitor needed) Network Attached Storage devic…8 Aug 2023 ... Seid gegrüßt, liebe Mitstreiter! Ich freue mich sehr, dieses 3D-gedruckte Raspberry Pi NAS-Projekt mit Ihnen zu teilen.Discover the NAS: On your computer or laptop, open the file explorer or file manager and navigate to the network or shared devices section. The Raspberry Pi NAS should appear as a network location or a shared device. Access the Shared Directories: Once the Raspberry Pi NAS is visible, you can access the shared directories by clicking …As for any storage idea on Raspberry Pi, remember that the Raspberry Pi SD card is not the safest storage method. If your SD card crash, you can lose everything on NextCloud. So remember to make regular backups to another storage (another Pi, a NAS, a USB disk, etc.). Files are located in the NextCloud folder, the data subfolder.You can build the Raspberry Pi NAS using its internal memory, aka the microSD card with the Raspberry Pi OS in it, or an external storage device. Both follow the same …The Pi 5 is known to run hot so cooling in a case like this is a must. To alleviate any overheating issues, it features a side-mounted fan. Because this is an NAS, it will likely be running ...This is a dual-core processor is capable of pushing 4K @ 60Hz, as are the J4105 and J4125 that power the Asustor and the QNAP systems, respectively. In fact, comparing these chips, apart from ...Raspberry Pi 4 — What is it and why should we build a NAS with it? The Raspberry Pi 4 is one of the most popular prototyping boards in the world. It is essentially a credit card sized computer ...24 Mar 2020 ... Raspberry Pi 4-Based NAS Using USB-Connected Disks · Part 1: Set Up Your Raspberry Pi · Part 2: Assemble And Format The Disks · Part 3: Put&nbs...Features. Takes advantage of the natural heat conductivity and dissipation of the aluminum augmented by the built-in controllable fan to cool down both the Raspberry Pi and hard disks. Multi-function power button to allow for seamless integration with the case. Programmable OLED Display is neatly situated under the button to display the following: This is an intermediate guide and supersedes my previous guide “Build a Raspberry Pi RAID NAS server” which has been retired. If you want to learn how to build RAID arrays (including on Raspberry Pi), I have created a dedicated page Linux RAID Arrays using mdadm. Contents. Hardware. Raspberry Pi Motherboard; USB SATA /M.2 Drive (Recommended ... Building NAS on Raspberry Pi is a very smart way to create DIY NAS for safe and efficient file management. NAS (or Network Attached Storage) Server is a network storage system to serve and share files to other client computers in a local network area. This enables multiple users to access and share the same file storage.10 Feb 2021 ... Do you have Raspberry Pi 4 ? Then, convert your Raspberry Pi 4 in to NAS Server (Mini Cloud ) To Share your data across your home network.7 Nov 2021 ... Operating System. I've opted to use Raspberry Pi OS (formerly Raspbian) using the provided imager too (URL has instructions). Insert the MicroSD ...I built the fastest (to my knowledge) native SATA RAID array on a Raspberry Pi Compute Module 4, and set it up as a NAS server, testing out hard drives and S... The NAS-PI is composed of two parts: The Novaco Anger Scale (60 items), which tells you how an individual experiences anger, and the Provocation Inventory (25 items), which identifies the kind of situations that induce anger in particular individuals. The entire questionnaire can be completed in just 25 minutes by anyone who can read at a ... Ham is a popular ingredient in many recipes, from soups and stews to casseroles and pies. But when it comes to baking, not all hams are created equal. Here are some tips for choosi...17 Feb 2020 ... Mit dem PiNAS wird aus dem überaus populären Raspberry Pi ein besonders günstiger Netzwerkspeicher, der mindestens zwei Laufwerke aufnehmen ...19 Sept 2018 ... Install Nextcloud. To run Nextcloud on your Raspberry Pi (using the setup described in the first part of this series), install the following ...23 Jul 2016 ... Final thoughts. This seems like an excellent way to get yourself a DIY NAS which features both redundancy and effectively unlimited scaling ...Greetings, fellow enthusiasts! I'm thrilled to share this 3D printed Raspberry Pi NAS project with you. I hope you find it not only enjoyable but also adaptable to your unique requirements. I am always eager to receive feedback to enhance the design, so please don't hesitate to share your thoughts and ideas. In the meantime, if you're as excited as I am …If you’re a jewelry enthusiast looking for unique and stunning pieces to add to your collection, Na Hoku Hawaiian Jewelry is a brand that should be on your radar. For those who app...Two years ago, I built my first Raspberry Pi based NAS drive. NAS-pi – cutely named box has been serving the media via Plex, Samba, DLNA locally and externally ever since. The brains for this device had been Raspberry Pi 2 – mostly because I didn’t need the WiFi and the Ethernet speed between Raspberry Pi 3B and Raspberry Pi 2 is …Using the Pi 4B alongside some spare drives can give you a very versatile, cost-effective NAS and server. Steps to set up. Prerequisites: Ensure your Pi is fully up to date sudo apt-get update && sudo apt-get upgrade -y; Make sure the Pi uses a static IP on your local network (there are good guides on this, it is out of scope for this post)GeeekPi Raspberry Pi Mini Tower NAS Kit, Raspberry Pi ICE Tower Cooler with PWM RGB Fan, M.2 SATA SSD Expansion Board, GPIO 1 to 2 Expansion Board, 18W QC3.0 Power Supply for Raspberry Pi 4 Model B. $ 106.99. Special Shipping. To the Internet media StoreVisit Store. Add to cart. GeeekPi Mini Tower NAS Kit for Raspberry Pi 4, Pi 4 ICE Tower Cooler with PWM RGB Fan, M.2 SATA SSD Expansion Board, GPIO 1 to 2 Expansion Board, 18W QC3.0 Power Supply for Raspberry Pi 4 Model B. 96. $6499. GeeekPi Mini Tower NAS Kit for Raspberry Pi 4, Pi 4 ICE Tower Cooler with PWM RGB Fan, M.2 SATA SSD Expansion Board, GPIO 1 to 2 Expansion Board, 18W QC3.0 Power Supply for Raspberry Pi 4 Model B. 96. $6499. I am getting abysmal speeds of 1Mb/s down/up. I'm about to refund it because my expectations are at a minimum 100MB/s down/up. 1. j3ff17v3ff3v. • 7 mo. ago. About 30Mb/sec up and down when transferring large files, which is fine for me. 1. VoidTheSecond. • 7 mo. ago. GeeekPi Mini Tower NAS Kit for Raspberry Pi, Pi ICE Tower Cooler with PWM RGB Fan, M.2 SATA SSD Expansion Board, GPIO 1 to 2 Expansion Board for Raspberry Pi 4 Model B dummy GeeekPi Aluminum Case for Raspberry Pi 5, with Pi 5 Active Cooler for Raspberry Pi 5 4GB/8GB, Support X1001 PCIe Peripheral BoardIf you’ve always loved the quality and taste of fresh, perfectly cooked oven-baked pizza, then you might be thrilled to learn you can enjoy it from the comfort of your own home whe...Nov 12, 2023 · Configure Disk: Connect your USB SATA/M.2 drive to the Raspberry Pi. In the OMV web interface, navigate to “Disks” and add the new drive. Then, format and mount the disk; Create and Mount File System: After configuring the disk, create a file system (such as ext4) and mount it to a designated folder; Insert a USB drive into the Raspberry Pi. You should almost immediately see it mounted under the “ /media” folder. $ ls /media. Note: The mount folders use the following convention: {volume ...Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io.8 Aug 2023 ... Seid gegrüßt, liebe Mitstreiter! Ich freue mich sehr, dieses 3D-gedruckte Raspberry Pi NAS-Projekt mit Ihnen zu teilen.OPTION 1: Build a Raspberry Pi NAS with Samba. The first and simplest way to build a Raspberry Pi NAS is to use the built-in Samba service provided by Raspbian. Samba has been around for decades and is a great way to create simple file shares that can be accessed remotely by Windows, Linux, or even MacOS.On the surface, Raspberry Pi 4 board comes with better specifications. I picked the 8GB RAM version in purpose, to give my favourite development board a small edge. Synology DS418. Argon Eon. CPU. 4-core 64-bit 1.4 GHz. 1.5GHz 64-bit quad-core. RAM. 2 GB DDR4 non-ECC.Argon EON is a 4-bay network access storage (NAS) enclosure designed to work with Raspberry Pi 4 that follows other popular Raspberry Pi cases from the company including the Argon One and Argon One M.2.. Also known as the Argon EON Pi NAS, the enclosure features four SATA hard drive ports that will fit two 3.5-inch SATA HDD and …Thanks for contributing an answer to Raspberry Pi Stack Exchange! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience.26 Jun 2019 ... The Raspberry Pi is not a good choice for building a NAS, as it lacks SATA ports for hard drives. There are many other small ARM-based boards ...I’d say the biggest takeaway, as with life itself, is: slow down, or you’ll hit something. The standalone Raspberry Pi 4 Model B retails for around $35/£35, with prices varying according to ...The optimal option is determined by your priorities. A Raspberry Pi 5 NAS is a great choice if you value price, customization, and the excitement of do-it-yourself projects. But if you value the convenience of use, dependability, extensive functionality, and comfort, a Synology NAS is the best option. In the end, whichever option you select ...Feb 20, 2024 · A NAS-Friendly Case (optional): If you want your system to have a clean look, it may behoove you to get an enclosure that fits your Pi and connected drives. This will also help to organize the ... Note the name of the device (generally /dev/sdX or /dev/mmcblk0). Create the image (replace the device name) : sudo dd bs=4M if=/dev/mmcblk0 of=backup.img. After a few minutes, you’ll get the full backup image from your Raspberry Pi. This command should also work on macOS, replace 4M with 4m in the last command.Dec 24, 2019 · Step 4: Sharing folder using Samba. Next, we will be sharing the above folder using Samba. To do this, you will have to modify the Samba configuration file. Key in the following command to edit the file: sudo nano /etc/samba/smb.conf. In addition, just below the authentication section of the file, paste this following line: How to build your own Raspberry Pi NAS. How-to. By Linux Format. last updated 13 July 2021. Network attached Pi. Page 2 of 2: Doing more with the NAS. You … This is an intermediate guide and supersedes my previous guide “Build a Raspberry Pi RAID NAS server” which has been retired. If you want to learn how to build RAID arrays (including on Raspberry Pi), I have created a dedicated page Linux RAID Arrays using mdadm. Contents. Hardware. Raspberry Pi Motherboard; USB SATA /M.2 Drive (Recommended ... Sep 2, 2023 · Click Choose Storage and select your SD card. Click on the gear icon (bottom right) and enable SSH. Enter a username and password for SSH and click Save . Click Write. Select Yes to confirm. After flashing the microSD card, insert it into the Raspberry Pi 4 and connect the power supply. Learn how to build your own network-attached storage device with a Raspberry Pi board and an external drive. Follow the steps to install Raspbian, format your dri…Feb 1, 2021 · The Raspberry Pi Compute Module 4 introduced both a new form factor and a PCIe 1x connection which has seen use with M.2 expansions for storage and Tensorflow Processing Units. I’d say the biggest takeaway, as with life itself, is: slow down, or you’ll hit something. The standalone Raspberry Pi 4 Model B retails for around $35/£35, with prices varying according to ...The fastest disk speed I could get with software mdadm-based RAID was about 325 MB/sec, and that was with RAID 10. Parity calculations may make that maximum speed even lower! Using hardware RAID allowed me to get over 400 MB/sec. That's a 20% performance increase, AND it leaves the Pi's CPU free to do other things.I've built a few Raspberry Pi NASes in my day, but none were *this* nice.The Wiretrustee SATA is listed on Crowd Supply and will allow you to plug in a Raspb...A NAS is a long-term investment and, like any other server or storage device, it requires regular maintenance and monitoring to ensure it runs efficiently and securely. In this section, we'll go through some essential tools and tips for keeping your Raspberry Pi NAS healthy. We'll also discuss logs and how to interpret them for effective ...ROCK PI SATA HAT: The Best NAS Drive 2022 to Backup Data. Raxda’s ROCK Pi 4 single-board computer (SBC), powered by the Rockchip RK3399 Hexa-core processor similar to the NanoPi M4 SBC, now gets a new extension add-on card that transforms the ROCK Pi 4 board into a home NAS device. The kit comprises an add-on …Raspberry PI is among the least expensive solutions for an audiophile setup. Just download and install DietPI, a lightweight and user-friendly LINUX distribution for ARM processors. It comes with a command-line GUI installer for multiple applications. Choose “Roon Bridge” which fully supports Roon Labs own proprietary RAAT protocol for ...Raspberry Pi 4 — What is it and why should we build a NAS with it? The Raspberry Pi 4 is one of the most popular prototyping boards in the world. It is essentially a credit card sized computer ...Attach Raspberry pi to Pi Mount: I used m3 screws for this, but the raspberry pi has m2.5 holes so i drilled out the holes to 3.5mm. 2. Attach HDMI and USB C power cables to their spots. the HDMI extensions may need to be cut down with a knife or Dremel. after placing the HDMI extensions use 2 m3 screws to screw the back plate on securing …Add a pair of 4TB drives, and you're still under $500. If you're just getting started, installing on your PC or Raspberry Pi is a good idea. If you don't mind turning it on whenever you want to ...It’s very easy to put together a budget build to keep costs down, but spending 20-30% more can provide a more reliable system, which for NAS devices is the most important overall requirement. The Samsung 980 Pro is an excellent NVMe drive that’s fast and has great endurance (300 TBW for the 500GB NVMe). Click here to …Feb 20, 2024 · A NAS-Friendly Case (optional): If you want your system to have a clean look, it may behoove you to get an enclosure that fits your Pi and connected drives. This will also help to organize the ... The optimal option is determined by your priorities. A Raspberry Pi 5 NAS is a great choice if you value price, customization, and the excitement of do-it-yourself projects. But if you value the convenience of use, dependability, extensive functionality, and comfort, a Synology NAS is the best option. In the end, whichever option you select ...10 Feb 2021 ... Do you have Raspberry Pi 4 ? Then, convert your Raspberry Pi 4 in to NAS Server (Mini Cloud ) To Share your data across your home network.Are you looking to build your very own Raspberry Pi-based Network Attached Storage (NAS) for your network or homelab? In this video, we'll take an in-depth l...Jan 28, 2021 · Use the command “iconfig” to start the command line program of the same name, which provides you with all important network information. The IP address (“inet addr”) listed under “eth0” is particularly important to further configure your Raspberry Pi NAS server. This is the address assigned by your router to the NAS server. Here is the link for this 52PI unit on PiHut. The kit comprises a multi-colour fan/heatsink, a 2D-printed case with clear perspex front and back panels, a shield for an M.2 SSD (I for some reason thought it would be a normal SATA SSD), a “spare” fan not really referrred to in the instructions, in my case a missing Pi4 power supply (Mandy at ...Raspberry Pi enthusiasts pondering over whether to back the excellent Raspberry Pi NAS storage solution created by developer Dan Pastusek, may be interested to know that the crowdfunding campaign ...Connect the ethernet cable to the Raspberry Pi and to your router switch or modem. This NAS setup can also be done by using Wi-Fi if so desired. Check the full write-up linked in the article. Connect the USB stick to one of the USB 3.0 ports on the Raspberry Pi.Jan 28, 2021 · Use the command “iconfig” to start the command line program of the same name, which provides you with all important network information. The IP address (“inet addr”) listed under “eth0” is particularly important to further configure your Raspberry Pi NAS server. This is the address assigned by your router to the NAS server. Feb 8, 2023 · Choosing The NAS Components. To start we’re going to need a cheap computer, and they don’t come cheaper than the Raspberry Pi Zero – the original being just $5. The trouble with the original is that it is now quite underpowered and it doesn’t have any onboard networking abilities, so we’d need to add a USB WiFi or Ethernet adaptor which adds to the cost. A NAS solution can cost several hundred dollars. If you have an unused Raspberry Pi and a few hard drives lying around, you can make one yourself without spending a dime. Turn any hard drive into ...Argon EON is a 4-bay network access storage (NAS) enclosure designed to work with Raspberry Pi 4 that follows other popular Raspberry Pi cases from the company including the Argon One and Argon One M.2.. Also known as the Argon EON Pi NAS, the enclosure features four SATA hard drive ports that will fit two 3.5-inch SATA HDD and …I’d say the biggest takeaway, as with life itself, is: slow down, or you’ll hit something. The standalone Raspberry Pi 4 Model B retails for around $35/£35, with prices varying according to ...The Argon EON case for the Raspberry Pi 4 ( not included) allows you to build your very own 4-bay Raspberry Pi NAS! This space-age-looking enclosure allows you to mount up to 4 SATA drives inside (two 3.5" drives and two 2.5" drives or four 2.5" drives). Argon has made use of the same passive cooling techniques that are used in the NEO and ONE ...Step 1: Tools and Components. Here is a list of the components and tools required, the list is simple and all you need is. A Raspberry Pi. A Serial to USB Cable. External Hard driver. Lan Cable. An SD Card 4Gb or above. A Computer to get the Pi …26 Jun 2019 ... The Raspberry Pi is not a good choice for building a NAS, as it lacks SATA ports for hard drives. There are many other small ARM-based boards ...Amazon.com offers the Geekworm NASPi Case, a smart and compact enclosure for your Raspberry Pi 4 and 2.5 inch SATA HDD/SSD. The case features a power switch, a cooling fan, and a safe shutdown function to protect your data and device. Whether you want to build a personal cloud, a media server, or a backup station, the Geekworm …Learn how to build a Raspberry Pi NAS that is awesome, secure and easy to use. Watch this video tutorial and follow the project walkthrough and links to get started. You will …Set up a Raspberry Pi NAS with updated instructions for 2020! Tldr; Build a local Dropbox-like system on a Raspberry Pi without spending hundreds on a dedicated NAS (Network attached storage). In 2019, Dropbox limited the number of devices you can connect in a free account, and as someone who has multiple computers (don't ask), this made me pause.GeeekPi Raspberry Pi Mini Tower NAS Kit, Raspberry Pi ICE Tower Cooler with PWM RGB Fan, M.2 SATA SSD Expansion Board, GPIO 1 to 2 Expansion Board, 18W QC3.0 Power Supply for Raspberry Pi 4 Model B. Model #: 907415604697; Item #: 9SIBM6CJXJ2937;9 Jul 2014 ... Simplest is that you can plug in a USB drive (thumb drive / USB hard disk or whatever) in the Pi, reindex MPD and Volumio will be able to access ...In my earlier posts about building a custom Raspberry Pi SATA NAS, and supercharging it with 2.5G networking and OMV, I noted that my builds were experimental only—they were a mess of cables and parts, with a hilariously-oversized 700W PC power supply.. I lamented the fact there was no simple "SATA backplane on a board" for the … GeeekPi Mini Tower NAS Kit for Raspberry Pi 4, Pi 4 ICE Tower Cooler with PWM RGB Fan, M.2 SATA SSD Expansion Board, GPIO 1 to 2 Expansion Board, 18W QC3.0 Power Supply for Raspberry Pi 4 Model B. 96. $6499. The optimal option is determined by your priorities. A Raspberry Pi 5 NAS is a great choice if you value price, customization, and the excitement of do-it-yourself projects. But if you value the convenience of use, dependability, extensive functionality, and comfort, a Synology NAS is the best option. In the end, whichever option you select ...Step 4: Sharing folder using Samba. Next, we will be sharing the above folder using Samba. To do this, you will have to modify the Samba configuration file. Key in the following command to edit the file: sudo nano /etc/samba/smb.conf. In addition, just below the authentication section of the file, paste this following line:Sep 19, 2018 · To run Nextcloud on your Raspberry Pi (using the setup described in the first part of this series), install the following packages as dependencies to Nextcloud using apt. sudo apt install unzip wget php apache2 mysql-server php-zip php-mysql php-dom php-mbstring php-gd php-curl. The next step is to download Nextcloud. Performing all the NAS Gymnastics at the heart of the project is the Open Media Vault (OMV) OS running on the Raspberry Pi. OMV is a Network Attached Storage (NAS) solution based on Debian Linux, that contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. You can build the Raspberry Pi NAS using its internal memory, aka the microSD card with the Raspberry Pi OS in it, or an external storage device. Both follow the same …The latter is what Michael Klements has achieved, a $35 Raspberry Pi Zero 2 W powered NAS in a custom 3D printed case. Lets address the supply of Raspberry Pi before we dive in. Yes, Raspberry Pi ...TerraPi Raspberry Pi SSD Case. Supports RPi 3 and 4. Ideal for RPi NAS or OpenMediaVault. Single and Dual SSD versions available.A NAS is a long-term investment and, like any other server or storage device, it requires regular maintenance and monitoring to ensure it runs efficiently and securely. In this section, we'll go through some essential tools and tips for keeping your Raspberry Pi NAS healthy. We'll also discuss logs and how to interpret them for effective ...Within less than 10 minutes you can have Pi-Hole up and running and blocking most adverts from your PC and mobile devices. Follow our quick video on how to setup Pi-Hole on just about ANY QNAP NAS! QNAP Container Station exclusively integrates LXC and Docker® lightweight virtualization technologies, allowing you to operate multiple isolated ...7 Nov 2021 ... Operating System. I've opted to use Raspberry Pi OS (formerly Raspbian) using the provided imager too (URL has instructions). Insert the MicroSD ... GeeekPi Mini Tower NAS Kit for Raspberry Pi, Pi ICE Tower Cooler with PWM RGB Fan, M.2 SATA SSD Expansion Board, GPIO 1 to 2 Expansion Board for Raspberry Pi 4 Model B dummy GeeekPi Aluminum Case for Raspberry Pi 5, with Pi 5 Active Cooler for Raspberry Pi 5 4GB/8GB, Support X1001 PCIe Peripheral Board 8 Aug 2023 ... Seid gegrüßt, liebe Mitstreiter! Ich freue mich sehr, dieses 3D-gedruckte Raspberry Pi NAS-Projekt mit Ihnen zu teilen.15 Aug 2019 ... Get 96% off our Raspberry Pi Mastery Course Bundle: https://andauth.co/pideal The Raspberry Pi 4 has great I/O performance with USB 3.0 and ... | Cwajyhw (article) | Mfexxo.