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Running Script as Another User. By default, the su command takes an input a target username to switch into. However, we can specify a script to be run with the flag -c. When specified, su command will just execute the script without dropping into a new shell as the target user.
You can also su to another user without requiring a password by making some changes in the sudoers file. In this case, the user (for example aaronk) who will switch to another user account (for example postgres) should be in the sudoers file or in the sudo group to be able to invoke the sudo command.
try running:
su -c "Your command right here" -s /bin/sh username
This will run the command as username given that you have permissions to sudo as that user.
Call visudo and add this:
user1 ALL=(user2) NOPASSWD: /home/user2/bin/test.sh
The command paths must be absolute! Then call sudo -u user2 /home/user2/bin/test.sh from a user1 shell. Done.
`su -c "Your command right here" -s /bin/sh username`
The above command is correct, but on Red Hat if selinux is enforcing it will not allow cron to execute scripts as another user. example;
execl: couldn't exec /bin/sh
execl: Permission denied
I had to install setroubleshoot and setools and run the following to allow it:
yum install setroubleshoot setools
sealert -a /var/log/audit/audit.log
grep crond /var/log/audit/audit.log | audit2allow -M mypol
semodule -i mypol.p
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