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Before reaching the upgrade height​

1. Switch Namada to stop at height ​

Update your systemd service so it runs the ledger up to block and then halts, and disable automatic restarts:

sudo sed -i \
-e 's|^ExecStart=.*$|ExecStart='"$HOME"'/.local/bin/namadan ledger run-until --block-height  --halt|' \
-e 's|^Restart=.*$|Restart=no|' \
/etc/systemd/system/namada.service

2. Reload and restart the service​

sudo systemctl daemon-reload
sudo systemctl restart namada.service

At block height ​

1. Download and extract ​

curl -sL https://github.com/anoma/namada/releases/download//namada--Linux-x86_64.tar.gz \
| tar -C "$HOME/.local/bin" -xzf- --strip-components=1 \
  namada--Linux-x86_64/{namada,namadac,namadan,namadaw}

2. Switch Namada to continuous mode​

Point ExecStart back to namadan ledger run and re-enable restarts:

sudo sed -i \
-e 's|^ExecStart=.*$|ExecStart='"$HOME"'/.local/bin/namadan ledger run|' \
-e 's|^Restart=.*$|Restart=always|' \
/etc/systemd/system/namada.service

3. Reload and start the service​

sudo systemctl daemon-reload
sudo systemctl start namada.service