Arch sudo without password password#
So I suspect is a matter of finding all the occurences of pam_unix.so in the files above, and add the option nullok (or change the nullok_secure to nullok) to the entries.Īccording to this post the file should be /etc/pam.d/common-auth - but I am not sure about this because in Ubuntu the VC are in the /etc/securetty list so the null password for root should work from there (although not from a terminal emulator), and the SO states it doesn't work. Set to one of the values found in /etc/securetty. Password to access the service as long as the value of PAM_TTY is To a service if their official password is blank. The nullokĪrgument overrides this default and allows any user with a blank I personally don't even have sudo installed, and just use su. This prevents sudo from creating files with more open permissions than the users umask allows. To a service if their official password is blank. Use the following command to edit the /etc/sudoers file: sudo visudo This will open the default text editor (Nano in Ubuntu) for editing this file. From a puristic point of view though, being able to sudo without a password is equivalent to root access, so the only benefit to the privilege separation at that point is that typos are less likely to kill your whole computer. Sudo will union the users umask value with its own umask (which defaults to 0022). For my alias, this rule was: ducklord ALL ( ALL. It should look like: USERNAME ALL ( ALL) NOPASSWD:ALL. Therefore, if you can execute any command with a password prompt, and you want to be able to execute a particular command without a password prompt, you need the exception last. If there isn't, move to the end of the file and create a new rule there. 15 Answers Sorted by: 188 If there are multiple matching entries in /etc/sudoers, sudo uses the last one.
To avoid the sudo prompt ever showing up when you execute a sudo command, follow the instructions below. If there is, change it to what we'll see next. Permanently Disable Sudo Password Prompt. The default action of this module is to not permit the user access To stop sudo from asking you for your password, first, check whether there's an existing rule with your alias. Now, the module that check for the passwords "unix style" is pam_unix.so, in which man page you can find among the options: nullok
Arch sudo without password how to#
In /etc/pam.d there are all the PAM configuration files that tell the system how to do the authentication of users. I think this is a PAM thing (PAM= pluggable authentication modules). Warning not tested because I think it's not such a great idea, even for a VM (bad habits are difficult to remove.).
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