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Install dependencies
The Nimbus beacon chain can run on Linux, macOS, Windows, and Android. At the moment, Nimbus has to be built from source, which means you'll need to install some dependencies.
Time
The beacon chain relies on your computer having the correct time set (plus or minus 0.5 seconds).
We recommended you run a high quality time service on your computer such as:
- GPS
- NTS (network time security, IETF draft)
- Roughtime (google)
At a minimum, you should run an NTP client on the server.
Note: Most operating systems (including macOS') automatically sync with NTP by default.
If the above sounds like latin to you, don't worry. You should be fine as long as you haven't messed around with the time and date settings on your computer (they should be set automatically).
External Dependencies
- Developer tools (C compiler, Make, Bash, Git)
Nimbus will build its own local copy of Nim, so Nim is not an external dependency,
Linux
On common Linux distributions the dependencies can be installed with
# Debian and Ubuntu
sudo apt-get install build-essential git
# Fedora
dnf install @development-tools
# Archlinux, using an AUR manager
yourAURmanager -S base-devel
macOS
Assuming you use Homebrew to manage packages
brew install cmake
Windows
To build Nimbus on windows, the Mingw-w64 build environment is recommened.
Install Mingw-w64 for your architecture using the "MinGW-W64 Online Installer":
- select your architecture in the setup menu (
i686
on 32-bit,x86_64
on 64-bit) - set threads to
win32
- set exceptions to "dwarf" on 32-bit and "seh" on 64-bit.
- Change the installation directory to
C:\mingw-w64
and add it to your system PATH in"My Computer"/"This PC" -> Properties -> Advanced system settings -> Environment Variables -> Path -> Edit -> New -> C:\mingw-w64\mingw64\bin
(C:\mingw-w64\mingw32\bin
on 32-bit)
Install Git for Windows and use a "Git Bash" shell to clone and build nimbus-eth2.
Android
- Install the Termux app from FDroid or the Google Play store
- Install a PRoot of your choice following the instructions for your preferred distribution. Note, the Ubuntu PRoot is known to contain all Nimbus prerequisites compiled on Arm64 architecture (the most common architecture for Android devices).
Assuming you use Ubuntu PRoot
apt install build-essential git