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## Why `IORingGroup` issues io_uring syscalls directly rather than linking `liburing`, so the package has never been needed — but we ask operators to install it in the README, install it in CI, and check for it in `build-tool`. Verified against the **shipped** `IORingGroup` 1.0.9 assembly, not just the source: | Symbol | Occurrences in `IORingGroup.dll` | |---|---| | `libc`, `libSystem.dylib`, `kernel32.dll`, `kernelbase.dll`, `ws2_32.dll` | present | | `liburing` | **0** | | `io_uring_queue_init` — liburing's entry point | **0** | | `io_uring_setup` — the raw syscall | 1 | If it linked liburing it would call `io_uring_queue_init` / `io_uring_submit`. It calls neither. ## What changes Nine lines across three files, removing `liburing-dev` / `liburing-devel` from: - `README.md` — both the dnf and apt prerequisite blocks - `.github/workflows/build-test.yml` — both install steps - `Projects/BuildTool/Prerequisites/NativeLibraryChecker.cs` — the cross-compile target text, the apt and dnf package lists, and the `ldconfig` fallback map Nothing else is touched. `zstd` and the `-dev` packages are a separate discussion and a separate PR. ## Risk None to the build. `liburing` was only ever installed, never linked or loaded — removing it cannot change resolution behaviour. `build-tool` builds clean. This was found while investigating why Linux requires `-dev` packages at all; that fix lives in the binding packages (modernuo/LibDeflate.Bindings#4, modernuo/Argon2.Bindings#13) and lands separately once those publish. This piece is independent and unblocked, hence its own PR.
137 lines
8.7 KiB
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137 lines
8.7 KiB
Markdown
<p align="center">
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<a href="https://muo.gg"><img alt="ModernUO - Ultima Online Server Emulator for the modern era!" src="https://cdn.muo.gg/gh/muo-logo.svg" width=128px /></a>
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</p>
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ModernUO [](https://muo.gg/discord) [](https://muo.gg/reddit/) [](https://muo.gg/twitter)
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=====
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##### Ultima Online Server Emulator for the modern era!
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[](https://github.com/modernuo/ModernUO/blob/master/LICENSE)
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[](https://github.com/modernuo/ModernUO/stargazers)
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[](https://github.com/modernuo/ModernUO/issues)
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<br/>
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[](https://github.com/modernuo/ModernUO/actions)
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[](https://dev.azure.com/modernuo/modernuo/_build/latest?definitionId=1&branchName=main)
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## Requirements
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#### Supported Operating Systems
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[](https://www.microsoft.com/en-US/evalcenter/evaluate-windows-server-2022)
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[](https://www.debian.org/distrib/)
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[](https://ubuntu.com/download/server)
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<br/>
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[](https://alpinelinux.org/downloads/)
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[](https://getfedora.org/en/server/download/)
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[](https://access.redhat.com/downloads)
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[](https://www.centos.org/download/)
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[](https://almalinux.org/get-almalinux/)
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[](https://get.opensuse.org/)
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[](https://www.suse.com/download/sles/)
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[](https://linuxmint.com/download.php)
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[](https://archlinux.org/download/)
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#### Required Frameworks
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##### All Operating Systems
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[](https://dotnet.microsoft.com/download/dotnet/10.0)
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##### Windows
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[](https://aka.ms/vc14/vc_redist.x64.exe)
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#### Development
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[](https://git-scm.com/downloads)
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[](https://dotnet.microsoft.com/download/dotnet/10.0)
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#### Supported IDEs
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<p align="left">
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<a href="https://www.jetbrains.com/rider/download"><img height="64" title="Jetbrains Rider 2025.3+" alt="Jetbrains Rider 2025.3+" src="https://cdn.muo.gg/gh/jetbrains-rider.svg"></a>
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<a href="#"><img alt="space" width="32" src="https://cdn.muo.gg/gh/space.png"></a>
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<a href="https://code.visualstudio.com/download"><img height="64" title="VSCode" alt="VSCode" src="https://cdn.muo.gg/gh/vscode.svg"></a>
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<a href="#"><img alt="space" width="32" src="https://cdn.muo.gg/gh/space.png"></a>
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<a href="https://visualstudio.microsoft.com/vs/community/"><img height="64" title="Visual Studio 2026" alt="Visual Studio 2026" src="https://cdn.muo.gg/gh/vs2026.svg"></a>
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</p>
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## Getting Started
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- Install prerequisite [requirements](https://github.com/modernuo/ModernUO#requirements)
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- Clone this repository (or download the [latest](https://github.com/modernuo/ModernUO/archive/refs/heads/main.zip)):
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- `git clone https://github.com/modernuo/ModernUO.git`
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- Open `ModernUO.sln` to start developing
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## Building/Publishing
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#### Interactive Mode (Recommended for new users)
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Run `./publish.cmd` (Windows) or `./publish.sh` (Linux/macOS) with no arguments to launch the guided build tool. It will:
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- Check prerequisites (.NET SDK, native libraries)
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- Walk you through configuration and platform selection
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- Build and publish the server to the `Distribution` directory
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- Show deployment instructions for cross-compiled builds
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#### Command Line
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```shell
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./publish.cmd [release|debug] [os] [arch]
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```
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- `os` - [Supported operating systems](https://github.com/dotnet/core/blob/main/release-notes/10.0/supported-os.md)
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- `win` - [Windows](https://learn.microsoft.com/en-us/dotnet/core/install/windows)
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- `osx` - [macOS](https://learn.microsoft.com/en-us/dotnet/core/install/macos)
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- `linux` - [Linux](https://learn.microsoft.com/en-us/dotnet/core/install/linux)
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- `arch`
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- `x64` - Intel/AMD 64-bit
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- `arm64` - ARM 64-bit
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## Linux Prerequisites
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### Fedora, CentOS, RHEL, AlmaLinux, Rocky, etc
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```shell
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dnf upgrade --refresh -y
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# RHEL-family distributions (CentOS Stream, AlmaLinux, Rocky, RHEL) need CRB and EPEL enabled.
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# Fedora skips this block.
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dnf install -y dnf-plugins-core
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dnf config-manager --set-enabled crb
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dnf install -y epel-release
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# Prerequisites
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dnf install -y findutils libicu libdeflate-devel zstd libargon2-devel
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```
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### Ubuntu, Debian, etc
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```shell
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apt-get update -y
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apt-get install -y libicu-dev libdeflate-dev zstd libargon2-dev
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```
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## OSX Requirements
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```shell
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brew install icu4c libdeflate zstd argon2
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```
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## Running the Server
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- Follow the [publish](https://github.com/modernuo/ModernUO#buildingpublishing) instructions
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- The `Distribution` directory is portable — copy it to your production server for deployment
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- Run `ModernUO.exe` or `dotnet ModernUO.dll` from the `Distribution` directory
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- On first run, the server will prompt you to configure game data file locations
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## Troubleshooting / FAQ
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- See [FAQ](./FAQ.md)
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## Want to sponsor?
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Thank you for supporting us! You can find out how by visiting the [sponsors](./SPONSORS.md) page.
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## Collaborators
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[](https://github.com/kamronbatman)
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[](https://github.com/mark1145)
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## Thanks
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- RunUO Team & Community
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- [Voxpire](https://github.com/Voxpire), the ServUO Team & Community
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- [Karasho](https://github.com/andreakarasho), [Jaedan](https://github.com/jaedan) and the ClassicUO Community
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<br/><br/>
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<p align=center>Development Tools & Plugins provided with ♥ by<br/><br/><a href="https://www.jetbrains.com/?from=ModernUO"><img src="https://cdn.muo.gg/gh/jetbrains.svg" height="64px" alt="JetBrains" title="JetBrains" /></a><br/>
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<a href="https://material-theme.com/"><img src="https://github.com/AtomMaterialUI/material-theme-issues/raw/master/logo.svg" width="64px" alt="Material Theme" title="Material Theme"></a></p>
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## Code Signing Policy
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Free code signing provided by [SignPath.io](https://about.signpath.io), certificate by [SignPath Foundation](https://signpath.org).
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This program will not transfer any information to other networked systems unless specifically requested by the user or the person installing or operating it
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### Teams & Roles
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Approvers & Committers: [Development Team](https://github.com/orgs/modernuo/teams/development-team)
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