passwd: permission denied error when trying to update a user's password
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1
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I just installed Ubuntu on a new machine and everything seemed to be going fine. I and a coworker were having some issues with a few things and have managed to lock-out a local admin (sudo?) account after unjoining an AD domain using realm while troubleshooting some McAfee issues were were having. I'm 99.9% certain that the password has not changed for the user. I have followed ALL the steps found here for resetting the password as root in recovery. When I try to run
sudo passwd USERNAME
I get the error:
root@hostname:~# sudo passwd USERNAME
passwd:Permission denied
passwd:password unchanged
root@hostname:~#
When I try to do the steps for the "The Drastic Measures", I notice that the shadow file does not show what would usually indicate an encrypted password for the user. Instead it looks like:
username:!:14920:0:99999:7:::
I have removed the exclamation point and still have issues. Even when I run
passwd
as root through recovery, I get a permissions denied error. As it stands right now, I can only log into the machine as root through recovery. I'm at a complete loss at this point and trying to avoid breaking down the machine and starting from scratch. Any help you guys can provide would be greatly appreciated.
permissions password password-recovery
edited Apr 13 '17 at 12:23
Community♦
1
asked Nov 21 '16 at 20:02
ProAm500
612
|
show 1 more comment
up vote
1
down vote
favorite
I just installed Ubuntu on a new machine and everything seemed to be going fine. I and a coworker were having some issues with a few things and have managed to lock-out a local admin (sudo?) account after unjoining an AD domain using realm while troubleshooting some McAfee issues were were having. I'm 99.9% certain that the password has not changed for the user. I have followed ALL the steps found here for resetting the password as root in recovery. When I try to run
sudo passwd USERNAME
I get the error:
root@hostname:~# sudo passwd USERNAME
passwd:Permission denied
passwd:password unchanged
root@hostname:~#
When I try to do the steps for the "The Drastic Measures", I notice that the shadow file does not show what would usually indicate an encrypted password for the user. Instead it looks like:
username:!:14920:0:99999:7:::
I have removed the exclamation point and still have issues. Even when I run
passwd
as root through recovery, I get a permissions denied error. As it stands right now, I can only log into the machine as root through recovery. I'm at a complete loss at this point and trying to avoid breaking down the machine and starting from scratch. Any help you guys can provide would be greatly appreciated.
permissions password password-recovery
edited Apr 13 '17 at 12:23
Community♦
1
asked Nov 21 '16 at 20:02
ProAm500
612
My guess is you have to remount your root file system rw . Also you do not need to run sudo as you are already root. Last USERNAME is not the same as username and neither is likely your actual username.
– Panther
Nov 21 '16 at 20:08
See wiki.ubuntu.com/RecoveryMode , step 8 and askubuntu.com/questions/804036/cant-reset-password
– Panther
Nov 21 '16 at 20:09
1
Possible duplicate of How do I reset a lost administrative password?
– Panther
Nov 21 '16 at 20:09
I made sure to run themount -o remount,rw /before going through the steps in the link I posted. I still had those issues. BTW, username is def. not a real username. I'm working on a "govt" system so changed it to protect the innocent.
– ProAm500
Nov 21 '16 at 20:28
If it is a "govt" system, I would expect it to use some kind of non-local password management such as ldap
– steeldriver
Nov 22 '16 at 0:16
|
show 1 more comment
up vote
1
down vote
favorite
up vote
1
down vote
favorite
I just installed Ubuntu on a new machine and everything seemed to be going fine. I and a coworker were having some issues with a few things and have managed to lock-out a local admin (sudo?) account after unjoining an AD domain using realm while troubleshooting some McAfee issues were were having. I'm 99.9% certain that the password has not changed for the user. I have followed ALL the steps found here for resetting the password as root in recovery. When I try to run
sudo passwd USERNAME
I get the error:
root@hostname:~# sudo passwd USERNAME
passwd:Permission denied
passwd:password unchanged
root@hostname:~#
When I try to do the steps for the "The Drastic Measures", I notice that the shadow file does not show what would usually indicate an encrypted password for the user. Instead it looks like:
username:!:14920:0:99999:7:::
I have removed the exclamation point and still have issues. Even when I run
passwd
as root through recovery, I get a permissions denied error. As it stands right now, I can only log into the machine as root through recovery. I'm at a complete loss at this point and trying to avoid breaking down the machine and starting from scratch. Any help you guys can provide would be greatly appreciated.
permissions password password-recovery
edited Apr 13 '17 at 12:23
Community♦
1
asked Nov 21 '16 at 20:02
ProAm500
612
I just installed Ubuntu on a new machine and everything seemed to be going fine. I and a coworker were having some issues with a few things and have managed to lock-out a local admin (sudo?) account after unjoining an AD domain using realm while troubleshooting some McAfee issues were were having. I'm 99.9% certain that the password has not changed for the user. I have followed ALL the steps found here for resetting the password as root in recovery. When I try to run
sudo passwd USERNAME
I get the error:
root@hostname:~# sudo passwd USERNAME
passwd:Permission denied
passwd:password unchanged
root@hostname:~#
When I try to do the steps for the "The Drastic Measures", I notice that the shadow file does not show what would usually indicate an encrypted password for the user. Instead it looks like:
username:!:14920:0:99999:7:::
I have removed the exclamation point and still have issues. Even when I run
passwd
as root through recovery, I get a permissions denied error. As it stands right now, I can only log into the machine as root through recovery. I'm at a complete loss at this point and trying to avoid breaking down the machine and starting from scratch. Any help you guys can provide would be greatly appreciated.
permissions password password-recovery
permissions password password-recovery
edited Apr 13 '17 at 12:23
Community♦
1
asked Nov 21 '16 at 20:02
ProAm500
612
edited Apr 13 '17 at 12:23
Community♦
1
asked Nov 21 '16 at 20:02
ProAm500
612
edited Apr 13 '17 at 12:23
Community♦
1
edited Apr 13 '17 at 12:23
Community♦
1
edited Apr 13 '17 at 12:23
Community♦
1
1
asked Nov 21 '16 at 20:02
ProAm500
612
asked Nov 21 '16 at 20:02
ProAm500
612
asked Nov 21 '16 at 20:02
ProAm500
612
612
My guess is you have to remount your root file system rw . Also you do not need to run sudo as you are already root. Last USERNAME is not the same as username and neither is likely your actual username.
– Panther
Nov 21 '16 at 20:08
See wiki.ubuntu.com/RecoveryMode , step 8 and askubuntu.com/questions/804036/cant-reset-password
– Panther
Nov 21 '16 at 20:09
1
Possible duplicate of How do I reset a lost administrative password?
– Panther
Nov 21 '16 at 20:09
I made sure to run themount -o remount,rw /before going through the steps in the link I posted. I still had those issues. BTW, username is def. not a real username. I'm working on a "govt" system so changed it to protect the innocent.
– ProAm500
Nov 21 '16 at 20:28
If it is a "govt" system, I would expect it to use some kind of non-local password management such as ldap
– steeldriver
Nov 22 '16 at 0:16
|
show 1 more comment
My guess is you have to remount your root file system rw . Also you do not need to run sudo as you are already root. Last USERNAME is not the same as username and neither is likely your actual username.
– Panther
Nov 21 '16 at 20:08
See wiki.ubuntu.com/RecoveryMode , step 8 and askubuntu.com/questions/804036/cant-reset-password
– Panther
Nov 21 '16 at 20:09
1
Possible duplicate of How do I reset a lost administrative password?
– Panther
Nov 21 '16 at 20:09
I made sure to run themount -o remount,rw /before going through the steps in the link I posted. I still had those issues. BTW, username is def. not a real username. I'm working on a "govt" system so changed it to protect the innocent.
– ProAm500
Nov 21 '16 at 20:28
If it is a "govt" system, I would expect it to use some kind of non-local password management such as ldap
– steeldriver
Nov 22 '16 at 0:16
My guess is you have to remount your root file system rw . Also you do not need to run sudo as you are already root. Last USERNAME is not the same as username and neither is likely your actual username.
– Panther
Nov 21 '16 at 20:08
My guess is you have to remount your root file system rw . Also you do not need to run sudo as you are already root. Last USERNAME is not the same as username and neither is likely your actual username.
– Panther
Nov 21 '16 at 20:08
See wiki.ubuntu.com/RecoveryMode , step 8 and askubuntu.com/questions/804036/cant-reset-password
– Panther
Nov 21 '16 at 20:09
See wiki.ubuntu.com/RecoveryMode , step 8 and askubuntu.com/questions/804036/cant-reset-password
– Panther
Nov 21 '16 at 20:09
1
1
Possible duplicate of How do I reset a lost administrative password?
– Panther
Nov 21 '16 at 20:09
Possible duplicate of How do I reset a lost administrative password?
– Panther
Nov 21 '16 at 20:09
I made sure to run the
mount -o remount,rw / before going through the steps in the link I posted. I still had those issues. BTW, username is def. not a real username. I'm working on a "govt" system so changed it to protect the innocent.– ProAm500
Nov 21 '16 at 20:28
I made sure to run the
mount -o remount,rw / before going through the steps in the link I posted. I still had those issues. BTW, username is def. not a real username. I'm working on a "govt" system so changed it to protect the innocent.– ProAm500
Nov 21 '16 at 20:28
If it is a "govt" system, I would expect it to use some kind of non-local password management such as ldap
– steeldriver
Nov 22 '16 at 0:16
If it is a "govt" system, I would expect it to use some kind of non-local password management such as ldap
– steeldriver
Nov 22 '16 at 0:16
|
show 1 more comment
1 Answer
1
active
oldest
votes
up vote
0
down vote
Sol:
vi /etc/pam.d/common-password
password [success=3 default=ignore]
pam_unix.so obscure sha512
=> Change it to "success=2"
Smile!
edited Nov 19 at 10:12
PerlDuck
4,83111130
answered Nov 19 at 10:01
Gyanesh
1
1
What does this change do?
– PerlDuck
Nov 19 at 11:18
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
0
down vote
Sol:
vi /etc/pam.d/common-password
password [success=3 default=ignore]
pam_unix.so obscure sha512
=> Change it to "success=2"
Smile!
edited Nov 19 at 10:12
PerlDuck
4,83111130
answered Nov 19 at 10:01
Gyanesh
1
1
What does this change do?
– PerlDuck
Nov 19 at 11:18
add a comment |
up vote
0
down vote
Sol:
vi /etc/pam.d/common-password
password [success=3 default=ignore]
pam_unix.so obscure sha512
=> Change it to "success=2"
Smile!
edited Nov 19 at 10:12
PerlDuck
4,83111130
answered Nov 19 at 10:01
Gyanesh
1
1
What does this change do?
– PerlDuck
Nov 19 at 11:18
add a comment |
up vote
0
down vote
up vote
0
down vote
Sol:
vi /etc/pam.d/common-password
password [success=3 default=ignore]
pam_unix.so obscure sha512
=> Change it to "success=2"
Smile!
edited Nov 19 at 10:12
PerlDuck
4,83111130
answered Nov 19 at 10:01
Gyanesh
1
Sol:
vi /etc/pam.d/common-password
password [success=3 default=ignore]
pam_unix.so obscure sha512
=> Change it to "success=2"
Smile!
edited Nov 19 at 10:12
PerlDuck
4,83111130
answered Nov 19 at 10:01
Gyanesh
1
edited Nov 19 at 10:12
PerlDuck
4,83111130
edited Nov 19 at 10:12
PerlDuck
4,83111130
edited Nov 19 at 10:12
PerlDuck
4,83111130
4,83111130
answered Nov 19 at 10:01
Gyanesh
1
answered Nov 19 at 10:01
Gyanesh
1
answered Nov 19 at 10:01
Gyanesh
1
1
1
What does this change do?
– PerlDuck
Nov 19 at 11:18
add a comment |
1
What does this change do?
– PerlDuck
Nov 19 at 11:18
1
1
What does this change do?
– PerlDuck
Nov 19 at 11:18
What does this change do?
– PerlDuck
Nov 19 at 11:18
add a comment |
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My guess is you have to remount your root file system rw . Also you do not need to run sudo as you are already root. Last USERNAME is not the same as username and neither is likely your actual username.
– Panther
Nov 21 '16 at 20:08
See wiki.ubuntu.com/RecoveryMode , step 8 and askubuntu.com/questions/804036/cant-reset-password
– Panther
Nov 21 '16 at 20:09
1
Possible duplicate of How do I reset a lost administrative password?
– Panther
Nov 21 '16 at 20:09
I made sure to run the
mount -o remount,rw /before going through the steps in the link I posted. I still had those issues. BTW, username is def. not a real username. I'm working on a "govt" system so changed it to protect the innocent.– ProAm500
Nov 21 '16 at 20:28
If it is a "govt" system, I would expect it to use some kind of non-local password management such as ldap
– steeldriver
Nov 22 '16 at 0:16