▶️Installation

Step 1: Update and install packages for compiling

sudo apt update && sudo apt upgrade -y
sudo apt install curl git wget htop tmux build-essential jq make lz4 gcc unzip -y

Step 2: Install Rust

curl https://sh.rustup.rs -sSf | sh

Select 1 and enter

Step 3: Go to home

source $HOME/.cargo/env

Step 4: Update rust

rustup update nightly

Step 5: Add tools

rustup target add wasm32-unknown-unknown --toolchain nightly

Step 6: Access Avail folder

mkdir avail
cd avail

Step 7: Download Binary

wget https://github.com/availproject/avail/releases/download/v2.2.5.1/x86_64-ubuntu-2204-avail-node.tar.gz

Step 8: Extract

tar -xf x86_64-ubuntu-2204-avail-node.tar.gz

Step 9: run node

./avail-node --chain mainnet --name "Validator Moniker" --validator -d ./node-data

CTRL + C to escape (You need to run validator to your system to make system running 24/7)

Step 10: Edit service file

sudo nano /etc/systemd/system/availd.service

Change your Validator Moniker

[Unit]
Description=Avail Validator
After=network.target
StartLimitIntervalSec=0
[Service]
User=root
ExecStart= /root/avail/avail-node -d /root/avail/node-data --chain mainnet --validator --name "Validator Moniker"
Restart=always
RestartSec=120
[Install]
WantedBy=multi-user.target

Step 11: Enable the service file

sudo systemctl daemon-reload
sudo systemctl enable availd.service

Step 12: Start service file

sudo systemctl start availd.service

Step 13: Check status of service

sudo systemctl status availd.service

Step 14: Check logs

journalctl -f -u availd

Thank's to ADAM_VNBnode for the guide it's very clear and we reshare for our community Source : https://github.com/vnbnode/VNBnode-Guides/blob/main/Mainnet/Avail/avail_mainnet.md