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In my linux machine, i lost /etc/passwd file
and /etc/shadow file, then how can i recover it?
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Answer / sachinmali17
## In that case you need to recover /etc/passwd file first.
For this you have to following steps,
-Start GRUB on boot (press ESC while booting)
-Press e over (recovery mode)
-Press e over the line beginning with kernel
-Press Space bar and enter "init=/bin/bash"
-Press enter
-Press b
-At command prompt type: "cp /etc/passwd- /etc/passwd"
-reboot to GRUB again
-Press e over (recovery mode)
-Press e over the line beginning with kernel
-Press Space bar and enter "init=/bin/bash"
-Press enter
-Press b
-At command prompt type "mount -o remount,rw /"
-Type "passwd YOURUSERNAMEHERE" (IF you don't know your user
name type "ls /home" (that is a Lower case L and lower case
S) for a list of users)
-Enter new password at prompt
-reboot to normal boot.
Hope that helps others like it did me!
### Then to recover /etc/shadow file, Use following command
pwconf
This command will generate /etc/shadow file from /etc/passwd
| Is This Answer Correct ? | 17 Yes | 1 No |
Answer / rallapalli
Enter into single user mode
$cp /etc/passwd~ /etc/passwd
$cp /etc/shadow~ /etc/shadow
passwd~ and shadow~ are backup files of passwd, shadow
Thanks,
| Is This Answer Correct ? | 4 Yes | 1 No |
Normally in linux we must have backup by default for
/etc/passwd and /etc/shadow files
/etc/passwd ---> /etc/passwd-
/etc/shadow ---> /etc/shadow-
from there we can copy or restore. If both are not available.
Then follow below steps:
1. reboot
2. Single user mode [ single init=/bin/bash ]
3. pwconv
4. check /etc/passwd and /etc/shadow files are there
5. sync
6. init 3 or reboot with init 3
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / inam
Recovery of passwd & shadow file
-write on kernel line "init=/bin/bash
-Press enter
-Press b
copy /etc/passwd- /etc/passwd
then use command
pwconf to regenerate shadow from passwd.
u can change password of ur user until u create shadow.
after all these changes just change ur user password with
-passwd username.
( i post one before but it has some mistake)
this opne will work try out
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / anil kumar
1. reboot
2. singal user mode (init=/bin/bash)
3. pwconv
4. check /etc/passwd and /etc/shadow files are there
5. sync
6. init 3
| Is This Answer Correct ? | 0 Yes | 2 No |
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