Create readme.md

Author: defrisk0

FANTOM_TEST/readme.md

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+# FANTOM TESTNET
+
+Let's update and install the necessary packages:
+````
+sudo apt update && sudo apt upgrade -y
+sudo apt install build-essential jq wget git htop curl screen bc -y
+````
+Install Go:
+````
+ver="1.20.5"
+cd $HOME
+wget "https://golang.org/dl/go$ver.linux-amd64.tar.gz"
+sudo rm -rf /usr/local/go
+sudo tar -C /usr/local -xzf "go$ver.linux-amd64.tar.gz"
+rm "go$ver.linux-amd64.tar.gz"
+echo "export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin" >> $HOME/.bash_profile
+source $HOME/.bash_profile
+````
+Install CLI:
+````
+cd $HOME
+git clone https://github.com/Fantom-foundation/go-opera.git
+cd ~/go-opera
+git checkout release/1.1.3-rc.5
+make
+mv ~/go-opera/build/opera /usr/local/bin/
+````
+Let's check the version (current as of October 2023 - v1.1.3-rc.5 commit: ace95a8a1d9a957116874a904fa725ac389abc1a):
+````
+opera version
+````
+Download a genesis file:
+````
+mkdir ~/.opera && cd ~/.opera
+wget https://download.fantom.network/testnet-6226-no-mpt.g
+cd $HOME
+````
+Create a service file:
+````
+sudo tee /etc/systemd/system/opera.service > /dev/null << EOF
+[Unit]
+Description=FANTOM TESTNET
+After=network-online.target
+[Service]
+User=$USER
+ExecStart=/usr/local/bin/opera --genesis /root/.opera/testnet-6226-no-mpt.g --syncmode snap --datadir /root/.opera/datadir --http --http.addr 0.0.0.0 --http.vhosts=* --http.corsdomain=* --ws --ws.addr 0.0.0.0 --ws.origins=* --datadir.minfreedisk=8096 --http.api="ftm,eth,abft,dag,rpc,web3,net,debug" --ws.api="ftm,eth,abft,dag,rpc,web3,net,debug" --cache 32152 --db.preset ldb-1
+Restart=on-failure
+RestartSec=10
+LimitNOFILE=65535
+[Install]
+WantedBy=multi-user.target
+EOF
+````
+Starting the node:
+````
+sudo systemctl daemon-reload
+sudo systemctl enable opera
+sudo systemctl restart opera
+````
+Checking the logs
+````
+sudo journalctl -u opera -f -o cat
+````