Update Bitcoin Core

Verify what your current version is:

bitcoind --version

Fetch the latest changes:

cd ~/bitcoin

git fetch --all

Show the latest version tags:

Switch to the latest stable version:

Clear files and outputs from the previous build process:

Now create the configuration files:

Use one of the following two commands to apply the configuration files:

Compile the source code:

Once the compilation is done, we stop Electrs and bitcoind:

Now we can update the binaries system-wide:

Finally we can restart bitcoind and Electrs:

You can check your new version with: