Running a bash script with root access in ubuntu

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"

What about about sudo my_script.sh ?

Kingsley
– Kingsley

2018-11-20 05:57:42 +00:00
Commented Nov 20, 2018 at 5:57 — Kingsley
– Kingsley, Commented Nov 20, 2018 at 5:57

gopy · Accepted Answer · 2018-11-20 06:02:29Z

2

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"'

answered Nov 20, 2018 at 6:02

gopy

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perreal · Accepted Answer · 2018-11-20 06:36:16Z

2

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

answered Nov 20, 2018 at 6:36

perreal

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