# Node Installation

### Hardware requirements The following requirements are recommended for running GALACTICA:

* **4 or more physical CPU cores**
* **At least 1TB of SSD disk storage**
* **At least 8GB of memory (RAM)**
* **At least 100mbps network bandwidth**

## Manual Installation

```bash
# Update & install dependencies
sudo apt update && sudo apt upgrade -y
sudo apt install clang pkg-config libssl-dev curl git wget htop tmux build-essential jq make lz4 gcc unzip -y


# Install Go
cd $HOME
sudo rm -rf /usr/local/go
curl -Ls https://go.dev/dl/go1.21.4.linux-amd64.tar.gz | sudo tar -xzf - -C /usr/local
eval $(echo 'export PATH=$PATH:/usr/local/go/bin' | sudo tee /etc/profile.d/golang.sh)
eval $(echo 'export PATH=$PATH:$HOME/go/bin' | tee -a $HOME/.profile)
go version


# Set Vars
MONIKER=<YOUR_MONIKER_NAME_GOES_HERE>
echo "export MONIKER=$MONIKER" >> $HOME/.bash_profile
echo "export GALACTICA_CHAIN_ID="galactica_9302-1"" >> $HOME/.bash_profile
echo "export GALACTICA_PORT="32"" >> $HOME/.bash_profile
source $HOME/.bash_profile


# Download Binary
cd $HOME
rm -rf galactica
git clone https://github.com/Galactica-corp/galactica
cd galactica
git checkout v0.1.2
make build
mv $HOME/galactica/build/galacticad $HOME/go/bin


# Config and Init App
galacticad config node tcp://localhost:${GALACTICA_PORT}657
galacticad config keyring-backend test
galacticad config chain-id $GALACTICA_CHAIN_ID
galacticad init $MONIKER --chain-id $GALACTICA_CHAIN_ID


# Add Genesis File and Addrbook
wget -O $HOME/.galactica/config/genesis.json https://testnet-files.syanodes.my.id/galactica-genesis.json
wget -O $HOME/.galactica/config/addrbook.json https://testnet-files.syanodes.my.id/galactica-addrbook.json


#Configure Seeds and Peers
SEEDS=""
PEERS="c9993c738bec6a10cfb8bb30ac4e9ae6f8286a5b@galactica-testnet-peer.itrocket.net:11656,e926f2e20568e61646558a2b8fd4a4e46d77903f@141.95.110.124:26656,a028446e34e3c5bd198a60bf6e799a05e8db16a1@116.202.162.188:15656,8949fb771f2859248bf8b315b6f2934107f1cf5a@168.119.241.1:26656,27fc47bc018e1327eddfe99092cc64b3bc594bf9@144.76.97.251:26756,f3cd6b6ebf8376e17e630266348672517aca006a@46.4.5.45:27456,c722e6dc5f762b0ef19be7f8cc8fd67cdf988946@49.12.96.14:26656,3afb7974589e431293a370d10f4dcdb73fa96e9b@157.90.158.222:26656,f2ea5839ecea55e02a859f60926e94eef73a50a6@103.35.64.107:10656,707af7d29be8d3fff3c4f0cdc0b8986a6a8aff63@95.217.200.98:28656,15c8ce51492b22b13be095aac62cf2c33a1cf44e@65.109.68.87:30656,9990ab130eac92a2ed1c3d668e9a1c6e811e8f35@148.251.177.108:27456"
sed -i -e "s/^seeds *=.*/seeds = \"$SEEDS\"/; s/^persistent_peers *=.*/persistent_peers = \"$PEERS\"/" $HOME/.galactica/config/config.toml
sed -i -e "s/^minimum-gas-prices *=.*/minimum-gas-prices = \"0agnet\"/" $HOME/.galactica/config/app.toml
sed -i -e 's|^indexer *=.*|indexer = "null"|' $HOME/.galactica/config/config.toml
sed -i 's|^prometheus *=.*|prometheus = true|' $HOME/.galactica/config/config.toml


# Config Pruning
pruning="custom"
pruning_keep_recent="100"
pruning_keep_every="0"
pruning_interval="19"
sed -i -e "s/^pruning *=.*/pruning = \"$pruning\"/" $HOME/.galactica/config/app.toml
sed -i -e "s/^pruning-keep-recent *=.*/pruning-keep-recent = \"$pruning_keep_recent\"/" $HOME/.galactica/config/app.toml
sed -i -e "s/^pruning-keep-every *=.*/pruning-keep-every = \"$pruning_keep_every\"/" $HOME/.galactica/config/app.toml
sed -i -e "s/^pruning-interval *=.*/pruning-interval = \"$pruning_interval\"/" $HOME/.galactica/config/app.toml


# Set Custom Port
sed -i.bak -e "s%:1317%:${GALACTICA_PORT}317%g;
s%:8080%:${GALACTICA_PORT}080%g;
s%:9090%:${GALACTICA_PORT}090%g;
s%:9091%:${GALACTICA_PORT}091%g;
s%:8545%:${GALACTICA_PORT}545%g;
s%:8546%:${GALACTICA_PORT}546%g;
s%:6065%:${GALACTICA_PORT}065%g" $HOME/.galactica/config/app.toml
sed -i.bak -e "s%:26658%:${GALACTICA_PORT}658%g;
s%:26657%:${GALACTICA_PORT}657%g;
s%:6060%:${GALACTICA_PORT}060%g;
s%:26656%:${GALACTICA_PORT}656%g;
s%^external_address = \"\"%external_address = \"$(wget -qO- eth0.me):${GALACTICA_PORT}656\"%;
s%:26660%:${GALACTICA_PORT}660%g" $HOME/.galactica/config/config.toml


# Set Service File
sudo tee /etc/systemd/system/galacticad.service > /dev/null <<EOF
[Unit]
Description=galactica-testnet
After=network-online.target

[Service]
User=$USER
ExecStart=$(which galacticad) start --home $HOME/.galactica --chain-id galactica_9302-1
Restart=on-failure
RestartSec=3
LimitNOFILE=65535

[Install]
WantedBy=multi-user.target
EOF


# Enable and Start Service
sudo systemctl daemon-reload
sudo systemctl enable galacticad
sudo systemctl start galacticad
sudo journalctl -fu galacticad -o cat


```