>Sent: Tuesday, February 11, 2020 at 8:18 PM >From: "Pierre Labastie via blfs-support" ><[email protected]> >To: [email protected] >Cc: "Pierre Labastie" <[email protected]> >Subject: Re: [blfs-support] Authentication failure when reinstalling Shadow >Le 11/02/2020 à 20:19, Cliff McDiarmid via blfs-support a écrit : > Hi > > For the first time when building an LFS/BLFS system I have a problem when > reinstalling Shadow in Chapter 4. Security > > When trying to su to root from the user after logging in, I get > 'su.authentication failure' > > I have checked the following as suggested: > > 1. Ran the test suite from Linux Pam with no errors > > 2. Added the user to the wheel group.
>Just to be sure, have logged out and in after that? Yes many times > > 3. Added the user to the sudoers file with ALL permissions >Remove or comment out the %wheel line in the sudoers file. It may take >precedence over the user one. Also, remove (or comment out) the %wheel line in >/etc/sudoers.d/sudo, if you have installed that file. But this shouldn't >change the behavior of "su", only of "sudo". Done that now >su with PAM works for me if I am in the "wheel" group. If you are able to run >"sudo", you can type "sudo su -" if needed to become root. I can but 'sudo su' doesn't work. I get : sudo: effective uid is not 0, is /usr/bin/sudo on a file system with the 'nosuid' option set or an NFS file system without root privileges? Obvious answer : No Thanks Pierre Cliff -- http://lists.linuxfromscratch.org/listinfo/blfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
