how to enable expire root account -- plz help asap

[Maaz]

Dear Gurus

OS: rhel 4
Mistakenly I have issue the following command
#chage -E 24-4-06 root
and root cant login now

second.. on another system I have deleted bash(/bin/bash)

Regards
Maaz

[Rick Garland · Accepted solution]

Reboot 1st system and login single user mode

'chage root' on 1st box to reset the passwd security (this will be interactive so you can see the present values as well.)

On 2nd system, if you still have login prompt, get a copy of the /bin/bash from another system or from backup

[Maaz]

Thanks a lot Dear Mr Rick Garland for help ;)

Thanks
Regards
Maaz

[Maaz]

I cant login into the system

(none)login:root
password:

and then again I got the login prompt

(none)login:

Plz help asap
Regards
Maaz

[Ivan Ferreira]

Is this the system that you expired the root account? Is this the system that has no shell?

[Maaz]

the system with no shell
rm -f /bin/bash

[Maaz]

rm -f /bin/bash
on a system /bin/bash has deleted. Now I cant login on the system

(none)login:root
password:

and then again I got the login prompt

(none)login:

No backup :(

Plz help asap
Regards
Maaz

[Vitaly Karasik_1]

for restoring bash you can boot from any linux cd, mount your hard disk and copy bash binary from some working system with the same linux version or from floppy or USB disk.

[Ivan Ferreira]

Start the system in single user. Then you have two options:

1- Edit the /etc/passwd file and change the shell.

2- Copy an existing shell to /bin/bash

For example:

cp /bin/ksh /bin/bash
cp /bin/csh /bin/bash
cp /bin/zsh /bin/bash

You can use any of these shells.

If you cannot boot in single user, edit the grub boot options, at the grub boot prompt press "a" and add:

init=/bin/ksh

Use any of the existing shells. If the root mounts read only, run:

mount -o rw,remount /

After that, boot in normal mode and reinstall the bash rpm from the CD:

rpm -ivh bash-.rpm --force

[Maaz]

Thanks Dear Vitaly Karasik for help
I boot the system in rescue mode, and the issue the following command:
chroot /mnt/sysimage
chroot: cant execute /bin/sh: No such file or directory

Thanks Dear Ivan Ferriera for help I followed ur intructions
1, edit the grub boot options by providing init=/bin/ksh as parameter
2, mount -o rw,remount /dev/hda2
3, then I installed the rpm from cd
Now Its working fine ;)

Regards
Maaz