# Installation

## H**ardware Requirements**

<table><thead><tr><th>Node Type</th><th width="155">CPU</th><th width="160">RAM</th><th>Storage</th></tr></thead><tbody><tr><td>Mainnet</td><td>4</td><td>8 GB</td><td>100 GB (SSD or NVME)</td></tr></tbody></table>

## Server preparation

```
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

```
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

```
cd $HOME
git clone https://github.com/lavanet/lava.git
cd lava
git checkout v4.1.0
make install-all
```

```
lavad version --long | grep -e commit -e version
```

> **Result**
>
> * **version:** 4.1.0
> * **commit:** c57c9f807ef914e810276d5895fac7aa9b2a82ab

***

## Initiation

{% hint style="info" %}
Change \<moniker> to your value, moniker is the name of your validator.
{% endhint %}

```
lavad init <moniker> --chain-id=lava-mainnet-1
lavad config chain-id lava-mainnet-1
```

***

## Create / recover wallet

{% hint style="info" %}
Change \<walletname> to the name of your wallet
{% endhint %}

```
lavad keys add <walletname>
or
lavad keys add <walletname> --recover
```

***

## Download genesis and addrbook

```
wget -O $HOME/.lava/config/genesis.json "https://raw.githubusercontent.com/Shoni-O/files/main/mainnet-files/lava/genesis.json"
wget -O $HOME/.lava/config/addrbook.json "https://raw.githubusercontent.com/Shoni-O/files/main/mainnet-files/lava/addrbook.json"
```

```
sha256sum $HOME/.lava/config/genesis.json
```

> **Result**
>
> * 5ba7dc9ac4ee0ea1776c8f13dc45be84ffc2ef3ffbe8271e30b573134ecd61ea

***

## Setup the minimum gas price and Peers

```
sed -i -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0.000000001ulava\"/" $HOME/.lava/config/app.toml
external_address=$(wget -qO- eth0.me) 
sed -i.bak -e "s/^external_address *=.*/external_address = \"$external_address:26656\"/" $HOME/.lava/config/config.toml
peers=""
sed -i.bak -e "s/^persistent_peers *=.*/persistent_peers = \"$peers\"/" $HOME/.lava/config/config.toml
sed -i \
  -e 's/timeout_commit = ".*"/timeout_commit = "30s"/g' \
  -e 's/timeout_propose = ".*"/timeout_propose = "1s"/g' \
  -e 's/timeout_precommit = ".*"/timeout_precommit = "1s"/g' \
  -e 's/timeout_precommit_delta = ".*"/timeout_precommit_delta = "500ms"/g' \
  -e 's/timeout_prevote = ".*"/timeout_prevote = "1s"/g' \
  -e 's/timeout_prevote_delta = ".*"/timeout_prevote_delta = "500ms"/g' \
  -e 's/timeout_propose_delta = ".*"/timeout_propose_delta = "500ms"/g' \
  -e 's/skip_timeout_commit = ".*"/skip_timeout_commit = false/g' \
  $HOME/.lava/config/config.toml
```

***

## Pruning (optional)

```
pruning="custom"
pruning_keep_recent="10000"
pruning_keep_every="0"
pruning_interval="1000"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.lava/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.lava/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.lava/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.lava/config/app.toml
```

## Create a service file

```
sudo tee /etc/systemd/system/lavad.service > /dev/null <<EOF
[Unit]
Description=lava
After=network-online.target

[Service]
User=$USER
ExecStart=$(which lavad) start
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

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

## Start

```
sudo systemctl daemon-reload
sudo systemctl enable lavad 
sudo systemctl restart lavad && sudo journalctl -fu lavad  -o cat
```

## Create validator

{% hint style="info" %}
Change walletName, YOUR\_MONIKER\_NAME, YOUR\_KEYBASE\_ID, YOUR\_DETAILS and YOUR\_WEBSITE\_URL to your values
{% endhint %}

```
lavad tx staking create-validator \
  --amount 1000000ulava \
  --from <walletName> \
  --commission-max-change-rate "0.01" \
  --commission-max-rate "0.20" \
  --commission-rate "0.05" \
  --min-self-delegation "1" \
  --pubkey  $(lavad tendermint show-validator) \
  --moniker YOUR_MONIKER_NAME \
  --chain-id lava-mainnet-1 \
  --identity="YOUR_KEYBASE_ID" \
  --details="YOUR_DETAILS" \
  --website="YOUR_WEBSITE_URL" -y
```

## Delete node

```
sudo systemctl stop lavad
sudo systemctl disable lavad
rm /etc/systemd/system/lavad.service
sudo systemctl daemon-reload
cd $HOME
rm -rf lava
rm -rf .lava
rm -rf $(which lavad)
```


---

# 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://service.block-pro.net/mainnet/lava/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.