# Node Installation

## [EXPLORER](https://explorer.stavr.tech/Realio-Mainnet)

* **Minimum hardware requirements**:

| Node Type | CPU | RAM  | Storage |
| --------- | --- | ---- | ------- |
| Mainnet   | 8   | 16GB | 250GB   |

## 1) Auto\_install script

```bash
source <(curl -s https://raw.githubusercontent.com/111STAVR111/props/refs/heads/main/Realio/realio)
```

## 2) Manual installation

#### Preparing the server

```bash
sudo apt update && sudo apt upgrade -y
sudo apt install curl tar wget clang pkg-config libssl-dev jq build-essential bsdmainutils git make ncdu gcc git jq chrony liblz4-tool -y
```

### GO 1.21.6

```bash
ver="1.21.6"
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
go version
```

## Build 11.02.26

```bash
cd $HOME && mkdir -p go/bin/
git clone https://github.com/realiotech/realio-network.git
cd realio-network
git checkout v1.5.0
make install
```

`realio-networkd version --long | grep -e commit -e version`

* version: 1.5.0
* commit: ccee5ceb9a5b3e40fb08d70da9a3ad2ac4b0be3a

## Initiation

```python
realio-networkd init STAVR_guide --chain-id=realionetwork_3301-1
realio-networkd config chain-id realionetwork_3301-1
```

### Create/recover wallet

```bash
realio-networkd keys add <walletname>
           OR
realio-networkd keys add <walletname> --recover
```

### Download Addrbook and Genesis

```python
wget -O $HOME/.realio-network/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Realio/addrbook.json"
wget -O $HOME/.realio-network/config/genesis.json "https://server-1.stavr.tech/Mainnet/Realio/genesis.json"
```

`sha256sum $HOME/.realio-network/config/genesis.json`

* c255d0a493ec596b9b7c29280989b7348681e195b8b092af96631c2bf235b1c8

### Set up the minimum gas price and Peers/Seeds/Filter peers/MaxPeers

```bash
sed -i.bak -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.0ario\"/" $HOME/.realio-network/config/app.toml
sed -i -e "s/^filter_peers *=.*/filter_peers = \"true\"/" $HOME/.realio-network/config/config.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.realio-network/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.realio-network/config/config.toml
seeds=""
sed -i.bak -e "s/^seeds =.*/seeds = \"$seeds\"/" $HOME/.realio-network/config/config.toml
sed -i 's/max_num_inbound_peers =.*/max_num_inbound_peers = 50/g' $HOME/.realio-network/config/config.toml
sed -i 's/max_num_outbound_peers =.*/max_num_outbound_peers = 50/g' $HOME/.realio-network/config/config.toml
```

#### Pruning (optional)

```bash
pruning="custom"
pruning_keep_recent="1000"
pruning_keep_every="0"
pruning_interval="10"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.realio-network/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.realio-network/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.realio-network/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.realio-network/config/app.toml
```

#### Indexer (optional)

```bash
indexer="null" &&
sed -i -e "s/^indexer *=.*/indexer = \"$indexer\"/" $HOME/.realio-network/config/config.toml
```

## Create a service file

```bash
sudo tee /etc/systemd/system/realio-networkd.service > /dev/null <<EOF
[Unit]
Description=realio
After=network.target

[Service]
User=$USER
Type=simple
ExecStart=$(which realio-networkd) start
Restart=on-failure
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF
```

## StateSync Realio Mainnet

```bash
systemctl stop realio-networkd
SNAP_RPC=https://realio.rpc.m.stavr.tech:443
LATEST_HEIGHT=$(curl -s $SNAP_RPC/block | jq -r .result.block.header.height); \
BLOCK_HEIGHT=$((LATEST_HEIGHT - 1000)); \
TRUST_HASH=$(curl -s "$SNAP_RPC/block?height=$BLOCK_HEIGHT" | jq -r .result.block_id.hash)

echo $LATEST_HEIGHT $BLOCK_HEIGHT $TRUST_HASH

sed -i.bak -E "s|^(enable[[:space:]]+=[[:space:]]+).*$|\1true| ; \
s|^(rpc_servers[[:space:]]+=[[:space:]]+).*$|\1\"$SNAP_RPC,$SNAP_RPC\"| ; \
s|^(trust_height[[:space:]]+=[[:space:]]+).*$|\1$BLOCK_HEIGHT| ; \
s|^(trust_hash[[:space:]]+=[[:space:]]+).*$|\1\"$TRUST_HASH\"| ; \
s|^(seeds[[:space:]]+=[[:space:]]+).*$|\1\"\"|" $HOME/.realio-network/config/config.toml
realio-networkd tendermint unsafe-reset-all --home /root/.realio-network
wget -O $HOME/.realio-network/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Realio/addrbook.json"
sudo systemctl restart realio-networkd && journalctl -fu realio-networkd -o cat
```

## SnapShot Mainnet updated every 5 hours

{% hint style="success" %}
[<mark style="color:orange;">**https://server-1.stavr.tech/Mainnet/Realio/**</mark>](https://server-1.stavr.tech/Mainnet/Realio/)
{% endhint %}

```bash
cd $HOME
apt install lz4
sudo systemctl stop realio-networkd
cp $HOME/.realio-network/data/priv_validator_state.json $HOME/.realio-network/priv_validator_state.json.backup
rm -rf $HOME/.realio-network/data
LATEST_SNAPSHOT=$(curl -s https://server-1.stavr.tech/Mainnet/Realio/ | grep -oE 'realio-snap-[0-9]+\.tar\.lz4' | while read SNAPSHOT; do HEIGHT=$(curl -s "https://server-1.stavr.tech/Mainnet/Realio/${SNAPSHOT%.tar.lz4}-info.txt" | awk '/Block height:/ {print $3}'); echo "$SNAPSHOT $HEIGHT"; done | sort -k2 -nr | head -n 1 | awk '{print $1}')
curl -o - -L https://server-1.stavr.tech/Mainnet/Realio/$LATEST_SNAPSHOT | lz4 -c -d - | tar -x -C $HOME/.realio-network
mv $HOME/.realio-network/priv_validator_state.json.backup $HOME/.realio-network/data/priv_validator_state.json
wget -O $HOME/.realio-network/config/addrbook.json "https://server-1.stavr.tech/Mainnet/Realio/addrbook.json"
sudo systemctl restart realio-networkd && journalctl -fu realio-networkd -o cat
```

### Start

```bash
sudo systemctl daemon-reload
sudo systemctl enable realio-networkd 
sudo systemctl restart realio-networkd  && sudo journalctl -fu realio-networkd -o cat
```

#### Create validator

```python
#pubkey
realio-networkd tendermint show-validator --home $HOME/.realio-network
cd $HOME
nano $HOME/.realio-network/validator.json
{
  "pubkey": {"@type":"/cosmos.crypto.ed25519.PubKey","key":"LP4FkWjrDhRuYxxxxxxxxxxxxxxxxxxxxxxxxxx="},
  "amount": "1000000000000000000ario",
  "moniker": "MONIKER",
  "identity": "",
  "website": "",
  "security": "",
  "details": "",
  "commission-rate": "0.05",
  "commission-max-rate": "0.5",
  "commission-max-change-rate": "0.5",
  "min-self-delegation": "1"
}

realio-networkd --home $HOME/.realio-network tx staking create-validator $HOME/.realio-network/validator.json --from WalletName --chain-id realionetwork_3301-1   --fees 5000000000000000ario  --gas 800000 -y

```

## [🧩Services and Tools🧩](https://stavr-team.gitbook.io/nodes-guides/mainnets/realio/statesync-snapshot)

## Monitoring

You can set up your node status alarm here - [Monitoring](https://stavr-team.gitbook.io/nodes-guides/monitoring)

## Security

You can create secure management of your wallet and your node by following this links.

[TMKMS](https://stavr-team.gitbook.io/nodes-guides/tmkms)               [Wallet Security](https://stavr-team.gitbook.io/nodes-guides/wallet-security)

### Delete node

```bash
sudo systemctl stop realio-networkd
sudo systemctl disable realio-networkd
rm /etc/systemd/system/realio-networkd.service
sudo systemctl daemon-reload
cd $HOME
rm -rf realio-network
rm -rf .realio-network
rm -rf $(which realio-networkd)
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://stavr-team.gitbook.io/nodes-guides/mainnets/realio/node-installation.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.