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What happens if someone tries to run sudo command?
If a user who is not listed in the sudoers file tries to run a command via sudo, mail is sent to the proper authorities, as defined at configure time or in the sudoers file (defaults to root ). Note that the mail will not be sent if an unauthorized user tries to run sudo with the -l or -v flags.
What does s mean in the sudo program?
The sudo program itself is a setuid binary. If you examine its permissions, you will see: That “s” means that this is a “setuid” program. You and everyone else have execute permission on this, so you can run it.
Why does Sudo always ask for my Password?
But after sometime, the sudo command asks for your password again. This behavior has nothing to do with the number of sudo-powered commands you run, but instead depends on time. Yes, by default, sudo won’t ask for password for 15 minutes after the user has entered it once.
How to run Sudo as a user other than root?
The -S ( stdin) option causes sudo to read the password from the standard input instead of the terminal device. The -s ( shell) option runs the shell specified by the SHELL environment variable if it is set or the shell as specified in passwd (5). The -u ( user) option causes sudo to run the specified command as a user other than root.
What does the backslash in Unix stand for?
Under the UNIX/LINUX platform, the escape character is represented by either a backslash () or a tilde (~). An escape character is a special character that causes Progress to read the next character literally, where otherwise it may have special meaning.
Do you need a password to run man Sudo as another user?
The real and effective uid and gid are set to match those of the target user as specified in the passwd file and the group vector is initialized based on the group file (unless the -P option was specified). If the invoking user is root or if the target user is the same as the invoking user, no password is required.