Update Mev-boost client

Update client

• Find the latest stable version at Github

  Write latest stable Mev-boost version from https://github.com/flashbots/mev-boost/releases:

• Download Mev-boost version 1.9 from GitHub

  cd ~/downloads
  curl -LO https://github.com/flashbots/mev-boost/releases/download/v1.9/mev-boost_1.9_linux_amd64.tar.gz

  Get hash of the downloaded file

  sha256sum mev-boost_1.9_linux_amd64.tar.gz

  And compare it to content of https://github.com/flashbots/mev-boost/releases/download/v1.9/checksums.txt.

• Unpack mevboost

  tar xvf mev-boost_1.9_linux_amd64.tar.gz

  Remove downloaded + useless unpacked files

  rm LICENSE README.md mev-boost_1.9_linux_amd64.tar.gz

• Stop mevboost client

  sudo systemctl stop mevboost

• Rewrite original mev-boost client

  sudo cp ~/downloads/mev-boost /usr/local/bin

• Start Mev boost service

  sudo systemctl start mevboost

• Monitor Mev-boost running

  systemctl status mevboost

  journalctl -fu mevboost.service