On Thu, 11 Aug 2011 10:23:17 -0400, Nico Kadel-Garcia wrote: > On Wed, Aug 10, 2011 at 11:25 AM, abdelkader belahcene > <abelahc...@gmail.com> wrote: >> Hi, >> I ve forgotten my root passwd on centos 6 (red hat based), >> >> I tried to change it as I used in debian (in debian it works perfectly) >> , that is: >> >> use a cd live (or installation cd1), to access the hd, I mount my root >> partition and mount proc and devices > > Definitely the wrong newsgroup, but: > > * boot with CentOS, RHEL, or Scientific Linux rescue CD * Select > "linux rescue" or rescue mode from the CD boot process. * Allow > it to mount your old system at /mnt/sysimage with all > the relevant /dev and /dev/sys utilities under it. > * Do "chroot /mnt/sysimage" to enter the environment of the > mounted directories, in a chroot cage. > * THEN do "passwd root" > * Exit the chroot. (Just type "exit"). * Sync the disk changes, > just as a precaution. (Just type "sync") * Reboot and eject CD. > > I generally setup PXE to make these tools available without a CD in > large environments,. The "chroot" business is core to updating messed up > grub configurations, password files, kernels, fstab, or core system > libraries. > >> I tried the command passwd, no error reprorted, but after reboot the >> passwd had´t changed. >> then I decided to remove passwd from /etc/shadow (delete the second >> field). > > > >> OK, now I can access my machine without passwd, BUT I CAN´T GIVE ANY >> PASSWORD!!!! I RECEIVE THIS ERROR >> >> # passwd >> Changing password for user root. >> New password: >> Retype new password: >> passwd: Authentication token manipulation error >> >> any idea to fix the problem. >> thanks a lot >>
All the responses (except one) have me mystified. Why can't OP just boot into single user mode? -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/j2181p$mlt$1...@dough.gmane.org
