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How to specify a password in sudo command?
sudo does not have an option to specify the password, but you can still do the authentication on the command line, like this: echo password | sudo -u root –stdin. or just. echo password | sudo -S. referring to the sudo manual page: -S, –stdin.
How does Sudo read the password from stdin?
At first sudo will execute and reads the password from stdin. If it was OK with the password then it runs tee. sudo reads from stdin until it reaches a “n” character, so “mypasswordn” will be consumed by sudo. tee reads from stdin and it gets whatever left in it, “some textn”.
Can a sudo command be run as a UID?
When running commands as a UID, many shells require that the ‘#’ be escaped with a backslash (‘\\’). Some security policies may restrict UIDs to those listed in the password database. The sudoers policy allows UIDs that are not in the password database as long as the targetpw option is not set. Other security policies may not support this.
How to run Sudo as a user other than root?
Run the command as a user other than the default target user (usually root). The user may be either a user name or a numeric user ID (UID) prefixed with the ‘#’ character (e.g. #0 for UID 0).
The -S switch makes sudo read the password from STDIN. This means you can do However, the suggestions by others that do not involve passing the password as part of a command such as checking if the user is root are probably much better ideas for security reasons
How to run Sudo script without root password?
You can set the s bit for your script so that it does not need sudo and runs as root (and you do not need to write your root password in the script): One option is to use the -A flag to sudo. This runs a program to ask for the password. Rather than ask, you could have a script that just spits out the password so the program can continue.
How can I run LS with sudo privileges?
Write the prompt to the standard error and read the password from the standard input instead of using the terminal device. The password must be followed by a newline character. So, to run ls with sudo privileges, you would do