In such cases it's extra important to run the file manager with a protective layer, in order to prevent messing up the file permissions in your system. File management with root authority is always risky, because you can break so much so easily. Launching a file manager with root authority (omnipotence)ġ.1. Those problems are caused by applications that expect to be able to use certain files or folders, but unexpectedly can't, because those files or folders have become root-owned. Otherwise you may end up with graphical applications changing the ownership of (settings) files in your home directory to root, which can cause various problems. Use sudo and su only for command line programs. You should always use pkexec or admin:// for running graphical programs as root. This is based on the excellent explanation that xenopeek has given on the Linux Mint forum (essentially, my explanation is just a simplification of that).īottom line (for the lazy reader): always use pkexec or admin:// for graphical applications that need root authority.Īlways use pkexec or admin:// for graphical applicationsġ. Repair damage caused by graphical abuse of sudoīelow, I outline some important differences between various forms of root usage, namely su, sudo, pkexec and admin://. Determine quickly who's in the sudo group Launching text editor Nano with root authority Launching text editor Xed or Gedit with root authority Launching a file manager with root authority (omnipotence) Always use pkexec or admin:// for graphical applications Static file name either as a command-line argument or using the flowsFile option You are running on may change its hostname, then you should ensure you provide a Node-RED uses flows_.json as the default flows file. If the Projects feature is enabled, this identifies which project should be started. If the Projects feature is not enabled, this sets the flow file you want to work with. When you deploy your changes, the flows are then started. This allows you to open the flows in the editor and make changes without the flows running. Starts Node-RED without starting the flows. Sets the TCP port the runtime listens on. Node-RED can be started using the command node-red. This by providing the flow file name as argument to the node-red command. The name of the flows file it is using.The location of your Settings file and User Directory.Any errors hit when it tried to load the palette nodes.You can then access the Node-RED editor by pointing your browser at The log output provides you various pieces of information:
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