Hardened Zebra Full Node
- Ɔde ɔdefo a onni hokwan a wɔatu ne ho ama + kernel-level systemd sandboxing (tetewmu koro no ara ne Docker) di dwuma.
- RPC yɛ localhost-only a ɛwɔ ahobammɔ cookie auth (default & recommended).
Nneɛma a ɛsɛ sɛ wodi kan yɛ
- distro biara a egyina Ubuntu so
- Rust adwinnade a wɔde ahyɛ mu (
rustup + cargo)
- Anyɛ yiye koraa no, disk space a wontua hwee 300 GB (
/var mpaapaemu) .
Bere Biako Nhyehyɛe (Tu mmirika sɛ wo dwumadie a wotaa de di dwuma) .
1. Update nhyehyɛe & instɔl ɔdansi dependencies
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sudo apt update && sudo apt install -y build-essential pkg-config libclang-dev clang libssl-dev protobuf-compiler
Update Rust na instɔl zebrad a aba foforo (v4.3.0+) .
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rustup update
cargo install --locked --force zebrad
sudo cp ~/.cargo/bin/zebrad /usr/local/bin/zebrad
sudo chown root:root /usr/local/bin/zebrad
sudo chmod 755 /usr/local/bin/zebrad
zebrad --version
Bɔ ɔsebɔ a onni hokwan a ɔde ne ho ama
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sudo adduser --system --group --no-create-home --shell /usr/sbin/nologin zebra
Yɛ data kyerɛwtohɔ a ahobammɔ wom
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sudo mkdir -p /var/lib/zebrad
sudo chown zebra:zebra /var/lib/zebrad
sudo chmod 700 /var/lib/zebrad
Yɛ nhyehyɛe a ahobammɔ wom (/etc/zebrad/zebrad.toml) .
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sudo mkdir -p /etc/zebrad
sudo tee /etc/zebrad/zebrad.toml > /dev/null <<EOF
[network]
network = "Mainnet"
listen_addr = "0.0.0.0:8233"
[state]
cache_dir = "/var/lib/zebrad"
[rpc]
# Enable RPC on localhost only (never expose to the internet!)
listen_addr = "127.0.0.1:8232"
# Cookie authentication
enable_cookie_auth = true # ← uncomment to be explicit
EOF
sudo chown zebra:zebra /etc/zebrad/zebrad.toml
sudo chmod 600 /etc/zebrad/zebrad.toml
Yɛ systemd dwumadie a ɛyɛ den
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sudo tee /etc/systemd/system/zebrad.service > /dev/null <<EOF
[Unit]
Description=Zebra Zcash Full Node (zebrad)
After=network.target
[Service]
Type=simple
User=zebra
Group=zebra
ExecStart=/usr/local/bin/zebrad --config /etc/zebrad/zebrad.toml start
UMask=0027
ExecStartPost=/bin/chmod 750 /var/lib/zebrad-rpc
ExecStartPost=/bin/chmod 640 /var/lib/zebrad-rpc/.cookie
# Kernel-level sandboxing (makes native zebrad as isolated as Docker)
ProtectSystem=strict
ProtectHome=yes
PrivateTmp=yes
PrivateDevices=yes
NoNewPrivileges=yes
RestrictAddressFamilies=AF_INET AF_INET6
RestrictNamespaces=yes
MemoryDenyWriteExecute=yes
ReadWritePaths=/var/lib/zebrad /var/lib/zebrad-rpc
LimitNOFILE=65535
Restart=on-failure
RestartSec=5s
EOF
sudo systemctl daemon-reload
Daa Daa Dwumadie - Ahyɛdeɛ Baako Adwumayɛ
| Adeyɛ | Ahyɛdeɛ | Nsɛm a Wɔahyɛ no Nsow |
|---|
| Fi ase | sudo systemctl start zebrad | Ahyɛdeɛ baako |
| Gyina | sudo systemctl stop zebrad | Ahyɛdeɛ baako |
| Gyinabea | sudo systemctl status zebrad | Kyerɛ sɛ ɛretu mmirika |
| Live logs | journalctl -u zebrad -f -o short-precise | Ɛde si ananmu screen -r |
| Nya RPC kuki | sudo cat /var/lib/zebrad/.cookie | Bere a woretu mmirika nkutoo |
Aliases a ɛyɛ mmerɛw (fa ka ho ~/.bashrc or ~/.zshrc):
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alias zebra-start='sudo systemctl start zebrad'
alias zebra-stop='sudo systemctl stop zebrad'
alias zebra-status='sudo systemctl status zebrad'
alias zebra-logs='journalctl -u zebrad -f'
alias zebra-cookie='sudo cat /var/lib/zebrad/.cookie'
