# Run validator

### Validator hardware requirements <a href="#validator-hardware-requirements" id="validator-hardware-requirements"></a>

* A VPS running the latest version of Mac OS X or Linux.
* Important 2T GB free disk space, Solid State Drive (SSD), gp3, 8k IOPS, 250MB/S throughput, read latency <1ms (NVMe SSD required if booting with snapshot/quick sync)
* 16-core CPU and 64 GB of memory (RAM)
* We recommend using the m5zn.3xlarge instance type on AWS, or c2-standard-16 on Google Cloud.
* Broadband Internet connection with upload/download speed of 10 megabytes per second

### Set up a validator <a href="#setting-up-validator-node" id="setting-up-validator-node"></a>

#### 1.Synchronize block information <a href="#id-1-install-bsc-fullnode" id="id-1-install-bsc-fullnode"></a>

Follow the instructions here to set up a full node.

#### Start the validator <a href="#id-2-start-validator-node" id="id-2-start-validator-node"></a>

！！！Warning Please do not expose your RPC endpoints to the public network.

```
## generate the consensus key and input the password
echo {your-password to the mining account} > password.txt
geth --datadir data \
--networkid 201022 \
--nodiscover \
--syncmode full \
--password password.txt \
--allow-insecure-unlock \
--unlock {the address of your mining account} \
--miner.gasprice 150000000000 \
--mine \
--miner.threads 1 \
--miner.gaslimit 80000000
```

#### Stop verification <a href="#id-4-stop-validating" id="id-4-stop-validating"></a>

You can stop mining new blocks by sending the command in the geth console

Connect to your validator using geth attach ipc:path/to/geth.ipc

```
miner.stop()
```

To resume verification,

```
miner.start()
```