Controller homes

A controller has one System Home and one User Home. The System Home on a controller appears as System Home in the Platform Administration view.

Figure 1. Controller System Home (niagara_home ) and User Home (niagara_user_home) locations


  1. Identifies a controller’s System Home (alias: niagara_home) in both the Nav tree and the Platform Administration view. In the Nav tree, you find the controller’s System Home by expanding Platform > Remote File System. The actual location of the System Home folder for a controller is: /opt/niagara.

  2. Identifies the controller’s User Home or daemon User Home (alias: niagara_user_home) that contains the installed and running station and other configuration files. The actual folder for the daemon User Home is: /home/niagara.

Home in the Platform Administration viewHome in the Platform Administration viewNiagara 4 aliasOFD location and contentsFile ORD shortcut
Platform > Remote File System > Sys Home (Read Only)System Homeniagara_home/opt/niagara

Contains operating system data.

! (as in Niagara4.x)
Platform > Remote File System > User Home (Read Only)User Homeniagara_user_home/home/niagaraContains configuration data and the installed and running station.~ (unique to Niagara 4)