Running a bash script with root access in ubuntu











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I am trying to write a bash script which will switch to user and execute a program. But I am not able to execute the program after switching. This is the script I wrote



    #!/bin/bash
sudo su
/opt/genymobile/genymotion/genymotion
echo "hi"









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  • 4




    What about about sudo my_script.sh ?
    – Kingsley
    Nov 20 at 5:57















up vote
0
down vote

favorite












I am trying to write a bash script which will switch to user and execute a program. But I am not able to execute the program after switching. This is the script I wrote



    #!/bin/bash
sudo su
/opt/genymobile/genymotion/genymotion
echo "hi"









share|improve this question


















  • 4




    What about about sudo my_script.sh ?
    – Kingsley
    Nov 20 at 5:57













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I am trying to write a bash script which will switch to user and execute a program. But I am not able to execute the program after switching. This is the script I wrote



    #!/bin/bash
sudo su
/opt/genymobile/genymotion/genymotion
echo "hi"









share|improve this question













I am trying to write a bash script which will switch to user and execute a program. But I am not able to execute the program after switching. This is the script I wrote



    #!/bin/bash
sudo su
/opt/genymobile/genymotion/genymotion
echo "hi"






bash root






share|improve this question













share|improve this question











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asked Nov 20 at 5:29









Navaneeth

1




1








  • 4




    What about about sudo my_script.sh ?
    – Kingsley
    Nov 20 at 5:57














  • 4




    What about about sudo my_script.sh ?
    – Kingsley
    Nov 20 at 5:57








4




4




What about about sudo my_script.sh ?
– Kingsley
Nov 20 at 5:57




What about about sudo my_script.sh ?
– Kingsley
Nov 20 at 5:57












2 Answers
2






active

oldest

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up vote
1
down vote













sudo su gives you a new shell. while this shell is running other command are not executed. try this:



#!/bin/bash
sudo su -c '/opt/genymobile/genymotion/genymotion ; echo "hi"'





share|improve this answer





















  • Thank you. Now the script is working as intended.
    – Navaneeth
    Nov 21 at 6:18


















up vote
1
down vote













If your script does something that requires root access the system will already check for the permissions and block access.



You can just check for the current user and abort:



if [ ! `id -u` = 0 ]; then 
echo "ERROR: This script must be run as the root user"
fi





share|improve this answer





















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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    1
    down vote













    sudo su gives you a new shell. while this shell is running other command are not executed. try this:



    #!/bin/bash
    sudo su -c '/opt/genymobile/genymotion/genymotion ; echo "hi"'





    share|improve this answer





















    • Thank you. Now the script is working as intended.
      – Navaneeth
      Nov 21 at 6:18















    up vote
    1
    down vote













    sudo su gives you a new shell. while this shell is running other command are not executed. try this:



    #!/bin/bash
    sudo su -c '/opt/genymobile/genymotion/genymotion ; echo "hi"'





    share|improve this answer





















    • Thank you. Now the script is working as intended.
      – Navaneeth
      Nov 21 at 6:18













    up vote
    1
    down vote










    up vote
    1
    down vote









    sudo su gives you a new shell. while this shell is running other command are not executed. try this:



    #!/bin/bash
    sudo su -c '/opt/genymobile/genymotion/genymotion ; echo "hi"'





    share|improve this answer












    sudo su gives you a new shell. while this shell is running other command are not executed. try this:



    #!/bin/bash
    sudo su -c '/opt/genymobile/genymotion/genymotion ; echo "hi"'






    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Nov 20 at 6:02









    gopy

    1637




    1637












    • Thank you. Now the script is working as intended.
      – Navaneeth
      Nov 21 at 6:18


















    • Thank you. Now the script is working as intended.
      – Navaneeth
      Nov 21 at 6:18
















    Thank you. Now the script is working as intended.
    – Navaneeth
    Nov 21 at 6:18




    Thank you. Now the script is working as intended.
    – Navaneeth
    Nov 21 at 6:18












    up vote
    1
    down vote













    If your script does something that requires root access the system will already check for the permissions and block access.



    You can just check for the current user and abort:



    if [ ! `id -u` = 0 ]; then 
    echo "ERROR: This script must be run as the root user"
    fi





    share|improve this answer

























      up vote
      1
      down vote













      If your script does something that requires root access the system will already check for the permissions and block access.



      You can just check for the current user and abort:



      if [ ! `id -u` = 0 ]; then 
      echo "ERROR: This script must be run as the root user"
      fi





      share|improve this answer























        up vote
        1
        down vote










        up vote
        1
        down vote









        If your script does something that requires root access the system will already check for the permissions and block access.



        You can just check for the current user and abort:



        if [ ! `id -u` = 0 ]; then 
        echo "ERROR: This script must be run as the root user"
        fi





        share|improve this answer












        If your script does something that requires root access the system will already check for the permissions and block access.



        You can just check for the current user and abort:



        if [ ! `id -u` = 0 ]; then 
        echo "ERROR: This script must be run as the root user"
        fi






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 20 at 6:36









        perreal

        71.5k9110137




        71.5k9110137






























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