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ETH2 Self-Staking Guide - TEKU/GETH/BESU/NETHERMIND/MEVBOOST

This guide is built with a combination of information from:

This guide has references to "Prater," an Ethereum Testnet. Mainnet setup is nearly identical with only a few configurations and parameters changed. Make sure any external interactions through Metamask, Launchpad, beaconcha.in, etc. match your network expectations.

Prerequisites

Set up Router

  • Assign a static IP to your staking machine on either your local network or your WAN if possible.
  • Open ports on router for SSH access (default port 22) (optional if not managing locally), p2p (9000), and eth1 (30303)

Set up Staking Machine

SSH into server and install lolcat (optional)

This is personal thing, – no one else needs this.

git clone https://github.com/jaseg/lolcat.git
cd lolcat
sudo apt install make
sudo apt install gcc
make
sudo make install
cd ..
rm -rf lolcat

SFTP into server and replace bash files and authorized_keys

Update server

Running this command for the first time after a new install is always smart. It will be necessary to update your machine regularly (and manually, repeating these steps) to keep abreast of security and critical package updates.

sudo apt-get update -y && sudo apt dist-upgrade -y
sudo apt-get autoremove && sudo apt-get autoclean

Disable root account

sudo passwd -l root

Set up the Firewall

By default, deny all incoming and outgoing traffic

sudo ufw default deny incoming
sudo ufw default allow outgoing

Allow ssh access

sudo ufw allow ssh #22/tcp

Allow p2p ports

sudo ufw allow 9000/tcp comment p2p
sudo ufw allow 9000/udp comment p2p

Allow eth1 port

sudo ufw allow 30303/tcp comment eth1
sudo ufw allow 30303/udp comment eth1

Allow grafana web server port

sudo ufw allow 3000/tcp comment grafana

Enable prometheus endpoint port

sudo ufw allow 9090/tcp comment prometheus

Enable teku api

sudo ufw allow 5051 comment teku-rest-api

Enable firewall

sudo ufw enable

Check firewall status:

sudo ufw status numbered

Output should look like:

Status: active

     To                         Action      From
     --                         ------      ----
[ 1] 22/tcp                     ALLOW IN    Anywhere                  
[ 2] 9000/tcp                   ALLOW IN    Anywhere                   # p2p
[ 3] 9000/udp                   ALLOW IN    Anywhere                   # p2p
[ 4] 30303/tcp                  ALLOW IN    Anywhere                   # eth1
[ 5] 30303/udp                  ALLOW IN    Anywhere                   # eth1
[ 6] 3000/tcp                   ALLOW IN    Anywhere                   # grafana
[ 7] 9090/tcp                   ALLOW IN    Anywhere                   # prometheus
[ 8] 5051                       ALLOW IN    Anywhere                   # teku-rest-api
[ 9] 22/tcp (v6)                ALLOW IN    Anywhere (v6)             
[10] 9000/tcp (v6)              ALLOW IN    Anywhere (v6)              # p2p
[11] 9000/udp (v6)              ALLOW IN    Anywhere (v6)              # p2p
[12] 30303/tcp (v6)             ALLOW IN    Anywhere (v6)              # eth1
[13] 30303/udp (v6)             ALLOW IN    Anywhere (v6)              # eth1
[14] 3000/tcp (v6)              ALLOW IN    Anywhere (v6)              # grafana
[15] 9090/tcp (v6)              ALLOW IN    Anywhere (v6)              # prometheus
[16] 5051 (v6)                  ALLOW IN    Anywhere (v6)              # teku-rest-api

Fix SSD Storage

Check current configuration:

df -h #
sudo lvdisplay #

Change configuration:

sudo lvm
lvm> lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv
lvm> lvextend -l +100%FREE -r /dev/ubuntu-vg/ubuntu-lv
lvm> exit
sudo resize2fs /dev/ubuntu-vg/ubuntu-lv

Check new configuration:

df -h #
sudo lvdisplay #

Nano

nano, a command you will see referenced from here on out, is a text editor. Here are some basics you will need to know:

  • The bottom bar once you launch nano shows possible commands, based on context. The carrot symbol (^) means the "Control" key on your keyboard. So, ^X means press the Control key and the x key at the same time to exit.
  • To save a file, or as nano calls it, "Write Out", ^O (Control + O).
  • Navigation is accomplished with the arrow keys, or ^Y for page-up, ^V for page-down.
  • To search, press ^W ("Where Is"), then type in your search and hit Enter.
  • To exit nano, ^X. If changes have been made, but not yet saved, nano will prompt to confirm changes, or if you want to discard or cancel the exit operation altogether.

Install apcupsd (optional for UPS backups - requires USB cable)

If you do not have a UPS skip this step.
If your UPS does not have a USB connection to allow it to be plugged into the staking machine, skip this step.

sudo apt-get install apcupsd

Edit the name and device in apcupsd.conf configuration:

sudo nano /etc/apcupsd/apcupsd.conf

Reboot the machine:

sudo reboot

SSH Lockdown

sudo nano /etc/ssh/sshd_config

Edit sshd_config:

KbdInteractiveAuthentication no
PasswordAuthentication no
PermitRootLogin prohibit-password
PermitEmptyPasswords no

Confirm sshd's configuration is error-free (there should be no output from this command):

sudo sshd -t

Secure Shared Memory

sudo nano /etc/fstab

Add the following line to fstab:

tmpfs	/run/shm	tmpfs	ro,noexec,nosuid	0	0

Reboot the machine:

sudo reboot

Install ccze

This helps provide more legible log output

sudo apt install ccze

Install Fail2Ban

sudo apt-get install fail2ban -y
sudo nano /etc/fail2ban/jail.local

Add the following to jail.local:

[sshd]
enabled = true
port = 22
filter = sshd
logpath = /var/log/auth.log
maxretry = 3
ignoreip = 127.0.0.0/8 10.0.0.0/8 192.168.0.0/16
sudo systemctl restart fail2ban

Install SSH 2FA (optional)

This is Two-Factor Authentication for use with an app like Google Authenticator or Authy for an added layer of security to access the machine. The first layer, is, of course, SSH keys – a process not explained in this guide. Supplemental information about this process can be found here.

sudo apt install libpam-google-authenticator -y

Edit the sshd file:

sudo nano /etc/pam.d/sshd

Add the following to the sshd file:

auth required pam_google_authenticator.so

Find and comment out the below line by adding # in front of it:

#@include common-auth

Restart the sshd service:

sudo systemctl restart sshd

Edit the sshd_config file:

sudo nano /etc/ssh/sshd_config

Find and set the following within the sshd_config file:

KbdInteractiveAuthentication yes
UsePAM yes

Add the following to the sshd_config file:

AuthenticationMethods publickey,keyboard-interactive

Confirm sshd's configuration is error-free (there should be no output from this command):

sudo sshd -t

Set up 2FA:

google-authenticator

Answers to google-authenticator setup:

  • yes
  • yes
  • yes
  • no
  • yes

Restart the sshd service:

sudo systemctl restart sshd

Log out of the server:

exit

Log back in to server via SSH to see 2FA in action.

Install chrony

Synchronized time management is important. Chrony handles that better than the in-built system service.

sudo apt install chrony

Now, we need to edit the chrony service file to use a better time server.

sudo nano /etc/chrony/chrony.conf
# replacing original ubuntu servers by Google servers
# pool ntp.ubuntu.com        iburst maxsources 4
# pool 0.ubuntu.pool.ntp.org iburst maxsources 1
# pool 1.ubuntu.pool.ntp.org iburst maxsources 1
# pool 2.ubuntu.pool.ntp.org iburst maxsources 2
server time1.google.com iburst minpoll 4 maxpoll 6 polltarget 16
server time2.google.com iburst minpoll 4 maxpoll 6 polltarget 16
server time3.google.com iburst minpoll 4 maxpoll 6 polltarget 16
server time4.google.com iburst minpoll 4 maxpoll 6 polltarget 16

# rest of the doc ...

# leapsectz right/UTC

Finally, restart the chrony service:

sudo systemctl restart chrony.service

Install Java

Since we are running Teku (and possibly Besu) we need to install Java:

sudo apt install openjdk-17-jdk

Install Prometheus/Grafana

Install Prometheus

Determine the latest release version by visiting: https://github.com/prometheus/prometheus/releases

As of this writing, the latest release is v2.32.1

Replace any occurance of an incorrect release version below with the latest.

sudo useradd --no-create-home --shell /bin/false prometheus
sudo useradd --no-create-home --shell /bin/false node_exporter
sudo mkdir /etc/prometheus
sudo mkdir /var/lib/prometheus
sudo chown -R prometheus:prometheus /etc/prometheus
sudo chown -R prometheus:prometheus /var/lib/prometheus
cd ~
curl -LO https://github.com/prometheus/prometheus/releases/download/v2.32.1/prometheus-2.32.1.linux-amd64.tar.gz
tar xvf prometheus-2.32.1.linux-amd64.tar.gz
sudo cp prometheus-2.32.1.linux-amd64/prometheus /usr/local/bin/
sudo cp prometheus-2.32.1.linux-amd64/promtool /usr/local/bin/
sudo cp -r prometheus-2.32.1.linux-amd64/consoles /etc/prometheus
sudo cp -r prometheus-2.32.1.linux-amd64/console_libraries /etc/prometheus
sudo chown -R prometheus:prometheus /etc/prometheus/consoles
sudo chown -R prometheus:prometheus /etc/prometheus/console_libraries
rm -rf prometheus-2.32.1.linux-amd64
rm prometheus-2.32.1.linux-amd64.tar.gz

Edit the prometheus.yml file:

sudo nano /etc/prometheus/prometheus.yml

Make sure the prometheus.yml file includes the below configuration. Pay special attention to spacing. Two spaces are required for each indentation.

Optionally, change scrape_interval: 5s and scape_timeout: 3s for faster metrics updating at the expense of CPU load.

Also note, you probably aren't running geth and besu. Both configurations are included here as an example, however.

global:
  scrape_interval: 15s
scrape_configs:
  - job_name: "prometheus"
    static_configs:
    - targets: ["localhost:9090"]
  - job_name: "node_exporter"
    static_configs:
    - targets: ["localhost:9100"]
  - job_name: "geth"
    scrape_timeout: 3s
    metrics_path: /debug/metrics/prometheus
    scheme: http
    static_configs:
    - targets: ['localhost:6060']
  - job_name: "besu"
    scrape_timeout: 3s
    metrics_path: /metrics
    scheme: http
    static_configs:
    - targets: ["localhost:9545"]
  - job_name: "teku"
    scrape_timeout: 3s
    metrics_path: /metrics
    scheme: http
    static_configs:
    - targets: ["localhost:8008"]

Change permissions on the prometheus.yml file:

sudo chown -R prometheus:prometheus /etc/prometheus/prometheus.yml

Edit the prometheus.service file:

sudo nano /etc/systemd/system/prometheus.service

Add the following to the prometheus.service file:

[Unit]
Description=Prometheus
Wants=network-online.target
After=network-online.target
[Service]
Type=simple
User=prometheus
Group=prometheus
Restart=always
RestartSec=5
ExecStart=/usr/local/bin/prometheus \
	--config.file /etc/prometheus/prometheus.yml \
	--storage.tsdb.path /var/lib/prometheus/ \
	--web.console.templates=/etc/prometheus/consoles \
	--web.console.libraries=/etc/prometheus/console_libraries
[Install]
WantedBy=multi-user.target

Reload prometheus:

sudo systemctl daemon-reload
sudo systemctl start prometheus

Check the status. There should be a green active in the output:

sudo systemctl status prometheus

Enable the service:

sudo systemctl enable prometheus

Install Node Exporter

Determine the latest release version by visiting: https://github.com/prometheus/node_exporter/releases

As of this writing, the latest release is v1.3.1

Replace any occurance of an incorrect release version below with the latest.

cd ~
curl -LO https://github.com/prometheus/node_exporter/releases/download/v1.3.1/node_exporter-1.3.1.linux-amd64.tar.gz
tar xvf node_exporter-1.3.1.linux-amd64.tar.gz
sudo cp node_exporter-1.3.1.linux-amd64/node_exporter /usr/local/bin
sudo chown -R node_exporter:node_exporter /usr/local/bin/node_exporter
rm -rf node_exporter-1.3.1.linux-amd64
rm node_exporter-1.3.1.linux-amd64.tar.gz
sudo nano /etc/systemd/system/node_exporter.service

Add the following to the node_exporter.service file:

[Unit]
Description=Node Exporter
Wants=network-online.target
After=network-online.target
[Service]
User=node_exporter
Group=node_exporter
Type=simple
ExecStart=/usr/local/bin/node_exporter
[Install]
WantedBy=multi-user.target

Reload node exporter:

sudo systemctl daemon-reload
sudo systemctl start node_exporter

Check the status. There should be a green active in the output:

sudo systemctl status node_exporter

Enable the service:

sudo systemctl enable node_exporter

custom metrics to-do

Install Grafana:

curl -s -0 https://packages.grafana.com/gpg.key | sudo apt-key add -
sudo add-apt-repository "deb https://packages.grafana.com/oss/deb stable main"
sudo apt update
sudo apt install grafana
sudo systemctl start grafana-server

Check the status. There should be a green active in the output:

sudo systemctl status grafana-server

Enable the service:

sudo systemctl enable grafana-server

Modify Grafana.ini to allow higher rate:

sudo nano /etc/grafana/grafana.ini
;min_refresh_interval = 1s
sudo systemctl restart grafana-server

Grafana Dashboards

  1. Open http://localhost:3000 or http://<your validator's ip address or name>:3000 in your local browser.
  2. Login with admin / admin
  3. Change password
  4. Click the configuration gear icon, then Add Data Source
  5. Select Prometheus
  6. Set Name to "Prometheus"
  7. Set URL to http://localhost:9090
  8. Click Save & Test
  9. Download and save your consensus client's json file: Teku
  10. Download and save your execution client's json file: Geth
  11. Download and save a node-exporter dashboard for general system monitoring.
  12. Click Create + icon > Import
  13. Add the consensus client dashboard via Upload JSON file
  14. If needed, select Prometheus as Data Source.
  15. Click the Import button.
  16. Repeat steps 12-15 for the execution client dashboard.
  17. Repeat steps 12-15 for the node-exporter dashboard.

Install the Consensus (Teku) and Execution (Geth/Besu/Nethermind) Layers

Generate a JWT

sudo mkdir -p /var/lib/ethereum
openssl rand -hex 32 | tr -d "\n" | sudo tee /var/lib/ethereum/jwttoken
sudo chmod +r /var/lib/ethereum/jwttoken

Warning Only install Geth or Besu or Nethermind. Not each.

Install Geth

sudo add-apt-repository -y ppa:ethereum/ethereum
sudo apt-get update -y
sudo apt dist-upgrade -y
sudo apt install geth -y

Set permissions for geth:

sudo useradd --no-create-home --shell /bin/false goeth
sudo mkdir -p /var/lib/goethereum
sudo chown -R goeth:goeth /var/lib/goethereum

Configure geth:

sudo nano /etc/systemd/system/geth.service

Add the following to the geth.service file:

[Unit]
Description=Ethereum go client
After=network.target 
Wants=network.target

[Service]
User=goeth 
Group=goeth
Type=simple
Restart=always
RestartSec=5
ExecStart=geth --goerli --http --datadir /var/lib/goethereum --metrics --pprof

[Install]
WantedBy=default.target

Reload geth:

sudo systemctl daemon-reload
sudo systemctl start geth

Check the status. There should be a green active in the output:

sudo systemctl status geth

Enable the service:

sudo systemctl enable geth

Wait for Geth to sync and monitor with:

sudo journalctl -fu geth -o cat | ccze -A

Monitoring of the sync process which must be complete before proceeding can also be performed with the following commmands and looking for a return value of false. Anything else means syncing is still in progress

geth attach http://127.0.0.1:8545
> eth.syncing

Install Besu

Download the latest version of Besu and extract:

cd ~
wget https://hyperledger.jfrog.io/artifactory/besu-binaries/besu/22.7.0/besu-22.7.0.tar.gz
tar xvf besu-22.7.0.tar.gz
rm besu-22.7.0.tar.gz
sudo cp -a besu-22.7.0/. /usr/local/bin/besu
rm -rf ./besu-22.7.0

Create a user for besu:

sudo useradd --no-create-home --shell /bin/false besu
sudo mkdir -p /var/lib/besu
sudo mkdir -p /etc/besu
sudo chown -R besu:besu /var/lib/besu
sudo chown -R besu:besu /etc/besu

Create the Besu service configuration:

sudo nano /etc/besu/besu.toml

Add the following to besu.toml:

network="mainnet"
sync-mode="X_CHECKPOINT"
rpc-ws-enabled=true
rpc-http-enabled=true
rpc-http-port="8545"
rpc-http-host="0.0.0.0"
rpc-http-api=["TXPOOL"]
engine-rpc-port="8551"
engine-host-allowlist=["localhost","127.0.0.1"]
data-path="/var/lib/besu"
data-storage-format="BONSAI"
metrics-enabled=true
engine-jwt-secret="/var/lib/ethereum/jwttoken"

Create the Besu service:

sudo nano /etc/systemd/system/besu.service

Add the following to the besu.service definition:

[Unit]
Description=Besu Ethereum Client
After=network.target
Wants=network.target

[Service]
User=besu
Group=besu
Type=simple
Restart=always
RestartSec=5
ExecStart=/usr/local/bin/besu/bin/besu \
    --config-file=/etc/besu/besu.toml

[Install]
WantedBy=default.target

Re/Start Besu:

sudo systemctl daemon-reload
sudo systemctl start besu

Check the status. There should be a green active in the output:

sudo systemctl status besu

Enable the service:

sudo systemctl enable besu

Monitor Beacon Chain syncing progress, peers, and other information:

sudo journalctl -fu besu -o cat | ccze -A

Install Nethermind

Coming Soon

Install Teku

cd ~
git clone https://github.com/Consensys/teku.git
cd teku
sudo ./gradlew installDist
cd ~
sudo cp -a teku/build/install/teku/. /usr/local/bin/teku
sudo useradd --no-create-home --shell /bin/false teku
sudo mkdir -p /var/lib/teku
sudo mkdir -p /etc/teku
sudo chown $(whoami):$(whoami) /var/lib/teku

Generate and Handle Validator Keys - External to this guide

  1. Generate Validator keys and deposit files - Steps 1 and 2 OR you can skip all the hard stuff and use the Wagyu GUI. No matter what process you pick, please generate these validator keys on a secure machine.
  2. Create password files for validator keys:
    • Copy every keystore-m*.json file and rename the copies to have .txt as the file extension
    • Open each file and replace all contents with the keystore password created in Step 1.
  3. Use an SFTP program or a USB key to move files to the NUC in your home folder

Move validator keys from your home folder to Teku:

sudo cp -r $HOME/validator_keys /var/lib/teku
sudo rm /var/lib/teku/validator_keys/deposit_data*

Set permissions for keys:

sudo chown -R teku:teku /var/lib/teku
sudo chown -R teku:teku /etc/teku
sudo chmod -R 700 /var/lib/teku/validator_keys

Configure Teku

👉 You will need to sign up for a free Infura (https://www.infura.io) account and create a new ETH1 project and a new ETH2 project.

Create the Teku configuration:

sudo nano /etc/teku/teku.yaml

Add the following to teku.yaml:

# EXAMPLE FILE - DO NOT CUT AND PASTE WITHOUT CHANGES
data-base-path: "/var/lib/teku"
network: "prater"
# if quick-sync is desired, replace the state URL with your information from Infura
initial-state: "https://XXX:XXX@eth2-beacon-prater.infura.io/eth/v1/debug/beacon/states/finalized"
validator-keys: "/var/lib/teku/validator_keys:/var/lib/teku/validator_keys"
# change this to your Ethereum withdrawal address (or any other address you'd like proposal fees to go
validators-proposer-default-fee-recipient: "0x..."
validators-graffiti: "XXX"
# optionally use a file for graffiti, but make sure it is world-readable
# validators-graffiti-file: "/home/USERDIR/graffiti.txt"
p2p-port: 9000
p2p-peer-upper-bound: 100
log-destination: "CONSOLE"
metrics-enabled: true
metrics-port: 8008
# if you are using beaconcha.in to monitor your machine, include the appropriate URL below
metrics-publish-endpoint: "https://beaconcha.in/api/v1/client/metrics?apikey=APIKEY&machine=MACHINENAME"
# replace hostname with the name of your staking machine
rest-api-host-allowlist: ["localhost", "127.0.0.1", "hostname"]
rest-api-enabled: true
rest-api-docs-enabled: true
# we're testing or post-merge, so the following two lines are required. Be sure to comment out/remove the eth1-endpoint line above
ee-endpoint: "http://localhost:8551"
ee-jwt-secret-file: "/var/lib/ethereum/jwttoken"

Create the Teku service definition:

sudo nano /etc/systemd/system/teku.service

Add the following to teku.service:

[Unit]
Description=Teku Client
Wants=network-online.target
After=network-online.target

[Service]
Type=simple
User=teku
Group=teku
Restart=always
RestartSec=5
Environment="JAVA_OPTS=-Xmx5g"
ExecStart=/usr/local/bin/teku/bin/teku --config-file=/etc/teku/teku.yaml

[Install]
WantedBy=multi-user.target

Re/Start Teku:

sudo systemctl daemon-reload
sudo systemctl start teku

Check the status. There should be a green active in the output:

sudo systemctl status teku

Enable the service:

sudo systemctl enable teku

Monitor Beacon Chain syncing progress, peers, and other information:

sudo journalctl -fu teku -o cat | ccze -A

Teku needs to sync to the Beacon Chain before proceeding with the funding of validators.

If an initial-state is set in the teku.yaml configuration file, syncing should happen very rapidly.

Monitoring

https://www.coincashew.com/coins/overview-eth/guide-or-how-to-setup-a-validator-on-eth2-mainnet/monitoring-your-validator-with-grafana-and-prometheus#6.2-setting-up-grafana-dashboards

Fund Validator Keys

This is an external process describe in various referenced guides. Please follow directions at https://www.coincashew.com/coins/overview-eth/guide-or-how-to-setup-a-validator-on-eth2-testnet-prater#2.-signup-to-be-a-validator-at-the-launchpad, steps 3-6.

Watch prater.beachoncha.in and wait for deposits to clear.

You’re done! 🎉

Maintenance

The staking machine requires regular manual maintanence.

Geth Pruning

https://gist.github.com/yorickdowne/3323759b4cbf2022e191ab058a4276b2

Geth Updates

https://github.com/ethereum/go-ethereum/releases
Just in case, update the installed geth package to make sure it sees the latest stable version:

sudo apt update

Now, update and restart geth!

sudo apt upgrade -y && sudo apt autoremove && sudo apt autoclean && sudo systemctl restart geth

Make sure geth is ok (should see a green "active" message):

sudo systemctl status geth

Teku Updates

Review release notes and check for breaking changes/features.

https://github.com/ConsenSys/teku/releases
Pull the latest source and build it.

cd ~/teku
git pull
./gradlew distTar installDist

Verify the build completed by checking the new version number.

cd ~/teku/build/install/teku/bin
./teku --version

Restart beacon chain and validator as per normal operating procedures.
Make sure the validators are in an acceptable state to be stopped before proceeding2

cd ~
sudo systemctl stop teku && sudo cp -a teku/build/install/teku/. /usr/local/bin/teku && sudo systemctl start teku

Besu Updates

Download the latest release from https://github.com/hyperledger/besu/releases
Change any URL or filename below with the appropriate release number/file

cd ~
wget https://hyperledger.jfrog.io/artifactory/besu-binaries/besu/22.7.1/besu-22.7.1.tar.gz

Unzip:

tar xvf besu-22.7.1.tar.gz

Stop the existing client, copy the new release to the appropriate location, start the client:

sudo systemctl stop besu && sudo cp -a besu-22.7.1/. /usr/local/bin/besu && sudo systemctl start besu

Clean up:

rm besu-22.7.1.tar.gz
rm -rf ./besu-22.7.1

Nethermind Updates

Download the latest release from https://github.com/NethermindEth/nethermind/releases
Change any URL or filename below with the appropriate release number/file

sudo su -l nethermind
wget https://github.com/NethermindEth/nethermind/releases/download/1.25.0/nethermind-1.25.0-db6ecc76-linux-x64.zip
unzip nethermind-1.25.0-db6ecc76-linux-x64.zip -d ./build/
rm nethermind-1.25.0-db6ecc76-linux-x64.zip
exit
sudo systemctl restart nethermind

System Updates

Make sure the validators are in an acceptable state to be stopped before proceeding2

sudo apt update -y && sudo apt upgrade -y
sudo apt autoremove && sudo apt autoclean

A reboot may be necessary: sudo reboot

MEV-Boost Updates

CGO_CFLAGS="-O -D__BLST_PORTABLE__" go install github.com/flashbots/mev-boost@latest
sudo systemctl stop mevboost && sudo cp ~/go/bin/mev-boost /usr/local/bin && sudo chown mevboost:mevboost /usr/local/bin/mev-boost && sudo systemctl start mevboost

Footnotes

  1. TurboBoost seems unnecessary and will make your NUC run hot and loud. ↩

  2. Install ethdo and then use the status script to make sure timing is ok for a restart or update. ↩ ↩2

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ETH2 Staking Guide

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