Check to see if the user running the script is root


/ Published in: Bash
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If you have a script that must be run as the root user, put this at the top:


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  1. #!/bin/bash
  2. #Test if user is root
  3.  
  4. if [ "$(id -u 2>/dev/null)" != "0" ]; then
  5. echo "ERROR: $0 must be run as root" >&2
  6. exit 1
  7. fi

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