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How long does it take for sudo to ask for password?
When you run a command with sudo, it asks for your account’s password. The default timeout for the password is 15 minutes (in Ubuntu Linux). Which means that you’ll have to enter the password again if you run a command with sudo after fifteen minutes.
How to force Sudo to prompt for a password?
-k When used by itself, the -k (kill) option to sudo invalidates the user’s time stamp by setting the time on it to the Epoch. The next time sudo is run a password will be required. This option does not require a password and was added to allow a user to revoke sudo permissions from a .logout file.
How does Sudo read the password from stdin?
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 long does it take to run sudo command in Fedora?
Most Linux distributions like Ubuntu, Debian, Fedora use the sudo mechanism to allow admin users to run commands with root privileges. When you run a command with sudo, it asks for your account’s password. The default timeout for the password is 15 minutes (in Ubuntu Linux).
Can you run sudo command without a password?
In Linux, you can change sudo configuration to run some or all command with sudo but without entering password. If you are on a server, you should be extra careful specially if you have SSH enabled. Maybe, you should disable SSH access with password first. Let’s see how to use sudo with no password.
Which is the best tool to edit sudo configuration file?
This is why you a dedicated tool called visudo is used for editing sudo configuration file. The visudo tool creates a new temp file where you can edit the sudoer file using the default text editor. When you try to save your changes, it performs a check and notifies if there is any syntax error.