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  • linux/sudoers /etc/sudoers{,.d}🔗

    • must have permissions 0440, not start with ., end in ~ and can’t have syntax errors, otherwise sudo might get broken
    • can be edited/new sudoer added through visudo [-f /etc/sudoers.d/newsudoer] which will set permissions correctly and perform a syntax check
    • or create llid: adduser <username> sudo
  • information
    • /etc/os-release
  • messages
    • /etc/issue.net
    • /etc/motd.d