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by tomputer 1376 days ago
Indeed! HATop is great to show the status, traffic, HTTP codes, errors or number of connections. It is also very simple to enable/disable HAProxy backends, for example:

  hatop -s /var/run/haproxy/example.sock
Use the arrows to select a backend server and press:

   F9 - Enable a backend server (Status: UP)
  F10 - Disable a backend server (Status: MAINTENANCE)
For Apple keyboards it is fn+F9 and fn+F10.