nexus-prover-node

$27.2M Nexus Prover Node Cli setup using a service file to run 24/7

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Site : Nexus | X : NexusLabs | Docs : Nexus docs

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Hardware requirements:

Hardware	Minimum Requirement
CPU	6 Cores
RAM	4 GB
Disk	50 GB SSD

VPS Options

VPS 1 is enough for Nexus Prover

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Step 1: Install Dependencies

sudo apt update && sudo apt upgrade
sudo apt install build-essential pkg-config libssl-dev git-all

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Step 2: Install Rust(Existing users Skip this process)

curl --proto '=https' --tlsv1.2 https://sh.rustup.rs -sSf | sh
source $HOME/.cargo/env
export PATH="$HOME/.cargo/bin:$PATH"
source ~/.bashrc
rustc --version

Remove existing folder and services

sudo systemctl stop nexus.service
sudo systemctl disable nexus.service
rm -rf nexus-cli

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Step 3: Clone Nexus Repository

git clone https://github.com/nexus-xyz/network-api.git "$HOME/nexus-cli"
cd nexus-cli/clients/cli

Install protoc

sudo apt update
sudo apt install -y protobuf-compiler
protoc --version

result should be libprotoc 3.21.5

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Step 4: Create Systemd Service File for Nexus Prover

sudo tee /etc/systemd/system/nexus.service <<EOF
[Unit]
Description=Nexus Prover Cli
After=network.target

[Service]
User=$USER
WorkingDirectory=$HOME/nexus-cli/clients/cli
Environment=TERM=dumb
ExecStart=$HOME/.cargo/bin/cargo run --release --bin prover -- beta.orchestrator.nexus.xyz
Restart=always
RestartSec=10

[Install]
WantedBy=multi-user.target
EOF

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Step 5: Reload Systemd, Start, and Enable the Nexus Service

sudo systemctl daemon-reload
sudo systemctl enable nexus.service
sudo systemctl start nexus.service

---

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Step 6: View Nexus Service Logs

journalctl -u nexus.service -fn 50

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Step 7: Get Prover ID

cat $HOME/.nexus/prover-id

ProverID Update

Goto : https://beta.nexus.xyz/

Connect and Verify Email, then copy the prover ID (left corner)

Login to VPS

Run

nano $HOME/.nexus/prover-id

Replace the browser proverID then Press CTRL + X, and Press Y and Press Enter.

sudo systemctl restart nexus.service

Check Logs

journalctl -u nexus.service -fn 50

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