since root has any privileges, why root ALL=(ALL) ALL is in /etc/sudoers?












3















I looked at this question:
Trying to understand the difference between “modernNeo ALL=(ALL:ALL) ALL” and “modernNeo ALL=(ALL) ALL” in the sudoers file



I still have a question, since "root" user has any privileges, why root ALL=(ALL) ALL is in /etc/sudoers? I tried to comment it, and the root user still have any privileges, it doesn't effect root user at all, it looks like root ALL=(ALL) ALL is useless.



enter image description here










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    3















    I looked at this question:
    Trying to understand the difference between “modernNeo ALL=(ALL:ALL) ALL” and “modernNeo ALL=(ALL) ALL” in the sudoers file



    I still have a question, since "root" user has any privileges, why root ALL=(ALL) ALL is in /etc/sudoers? I tried to comment it, and the root user still have any privileges, it doesn't effect root user at all, it looks like root ALL=(ALL) ALL is useless.



    enter image description here










    share|improve this question









    New contributor




    Bruce Xie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      3












      3








      3


      1






      I looked at this question:
      Trying to understand the difference between “modernNeo ALL=(ALL:ALL) ALL” and “modernNeo ALL=(ALL) ALL” in the sudoers file



      I still have a question, since "root" user has any privileges, why root ALL=(ALL) ALL is in /etc/sudoers? I tried to comment it, and the root user still have any privileges, it doesn't effect root user at all, it looks like root ALL=(ALL) ALL is useless.



      enter image description here










      share|improve this question









      New contributor




      Bruce Xie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I looked at this question:
      Trying to understand the difference between “modernNeo ALL=(ALL:ALL) ALL” and “modernNeo ALL=(ALL) ALL” in the sudoers file



      I still have a question, since "root" user has any privileges, why root ALL=(ALL) ALL is in /etc/sudoers? I tried to comment it, and the root user still have any privileges, it doesn't effect root user at all, it looks like root ALL=(ALL) ALL is useless.



      enter image description here







      linux sudo






      share|improve this question









      New contributor




      Bruce Xie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




      Bruce Xie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question








      edited 49 mins ago







      Bruce Xie













      New contributor




      Bruce Xie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      asked 2 hours ago









      Bruce XieBruce Xie

      162




      162




      New contributor




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      New contributor





      Bruce Xie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Bruce Xie is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















          1 Answer
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          6














          That entry ensures that root can run sudo. If you comment it out,



          sudo ls


          run as root will fail.



          It’s a convenience: it means users can run sudo commands without thinking about things too much, i.e. they’ll work the same way whether they’re running as a sudo-enabled user or root (whether that’s a good idea is another question). It also means that scripts can use sudo to request root privileges, and still work without issue when they’re run as root directly.






          share|improve this answer


























          • looks like that, I got it, thank you!

            – Bruce Xie
            46 mins ago











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          1 Answer
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          1 Answer
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          active

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          active

          oldest

          votes






          active

          oldest

          votes









          6














          That entry ensures that root can run sudo. If you comment it out,



          sudo ls


          run as root will fail.



          It’s a convenience: it means users can run sudo commands without thinking about things too much, i.e. they’ll work the same way whether they’re running as a sudo-enabled user or root (whether that’s a good idea is another question). It also means that scripts can use sudo to request root privileges, and still work without issue when they’re run as root directly.






          share|improve this answer


























          • looks like that, I got it, thank you!

            – Bruce Xie
            46 mins ago
















          6














          That entry ensures that root can run sudo. If you comment it out,



          sudo ls


          run as root will fail.



          It’s a convenience: it means users can run sudo commands without thinking about things too much, i.e. they’ll work the same way whether they’re running as a sudo-enabled user or root (whether that’s a good idea is another question). It also means that scripts can use sudo to request root privileges, and still work without issue when they’re run as root directly.






          share|improve this answer


























          • looks like that, I got it, thank you!

            – Bruce Xie
            46 mins ago














          6












          6








          6







          That entry ensures that root can run sudo. If you comment it out,



          sudo ls


          run as root will fail.



          It’s a convenience: it means users can run sudo commands without thinking about things too much, i.e. they’ll work the same way whether they’re running as a sudo-enabled user or root (whether that’s a good idea is another question). It also means that scripts can use sudo to request root privileges, and still work without issue when they’re run as root directly.






          share|improve this answer















          That entry ensures that root can run sudo. If you comment it out,



          sudo ls


          run as root will fail.



          It’s a convenience: it means users can run sudo commands without thinking about things too much, i.e. they’ll work the same way whether they’re running as a sudo-enabled user or root (whether that’s a good idea is another question). It also means that scripts can use sudo to request root privileges, and still work without issue when they’re run as root directly.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 52 mins ago

























          answered 1 hour ago









          Stephen KittStephen Kitt

          167k24373452




          167k24373452













          • looks like that, I got it, thank you!

            – Bruce Xie
            46 mins ago



















          • looks like that, I got it, thank you!

            – Bruce Xie
            46 mins ago

















          looks like that, I got it, thank you!

          – Bruce Xie
          46 mins ago





          looks like that, I got it, thank you!

          – Bruce Xie
          46 mins ago










          Bruce Xie is a new contributor. Be nice, and check out our Code of Conduct.










          draft saved

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          Bruce Xie is a new contributor. Be nice, and check out our Code of Conduct.













          Bruce Xie is a new contributor. Be nice, and check out our Code of Conduct.












          Bruce Xie is a new contributor. Be nice, and check out our Code of Conduct.
















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