506
votes
Reset the password in Ubuntu / Linux Bash in Windows
Run bash and make a note of your Linux username (this need not match your Windows username), see How can I find out my user name?
Close Bash on Ubuntu if it is running (or the next command will fail).
...
147
votes
Reset the password in Ubuntu / Linux Bash in Windows
Microsoft has a good help page on this: WSL User documentation.
In Windows PowerShell (Super+X, i) you can log in to the Ubuntu root account with
wsl --user root
Then change the password as you ...
74
votes
Reset the password in Ubuntu / Linux Bash in Windows
Important This answer is (a) for the older WSL1 only, (b) is outdated as it references paths that are no longer used by WSL1, even, and (c) most importantly, can cause filesystem corruption, per ...
38
votes
Resetting forgotten phpmyadmin password
You don't actually need to reset your username and password, if you can see them.
In your terminal window, type:
sudo -H gedit /etc/dbconfig-common/phpmyadmin.conf
This will open your phpmyadmin ...
28
votes
Reset the password in Ubuntu / Linux Bash in Windows
Edit This no longer works if you have a store-installed distribution of WSL.
To add to Tmu's answer, here's a Powershell script (gist) that automates the process (including automatically detecting ...
9
votes
Resetting forgotten phpmyadmin password
There is a workaround on Debian (Ubuntu, Mint, etc.) where there is a second admin account automatically generated by the system called
debian-sys-maint
You can see (and should not change) its ...
9
votes
I forgot my default keyring password, how do I get in to recover/change it?
rm /home/$USER/.local/share/keyrings/login.keyring
will remove the login keyring and ask for a new password.
Or to be a bit safer with a backup:
cd /home/$USER/.local/share/keyrings/
cp login.keyring ...
8
votes
How Do I Change a Forgotten User Password Without Booting?
No, that's not possible as that would defeat the purpose of a password-protected super-user account.
Boot recovery mode blindly
I recommend that you first try to boot to recover mode “blindly”, i. e. ...
7
votes
Installed crypted ubuntu on full hd and forget password of crypt and root
With great security comes great responsibility. :-)
So, if you encrypted a partition and forgot the password, and set up no other way to decrypt the partition, there is no way to recover the files ...
6
votes
Reset the password in Ubuntu / Linux Bash in Windows
I needed to reset my password also in my Windows 10, I has WLS 1
1- Check your linux/ubuntu name, listing the folder:
%userprofile%\AppData\Local\Microsoft\WindowsApps
In my case I found ...
6
votes
How to get access to Terminal and Password
No characters being displayed when you enter your password in a shell or TTY is perfectly normal. You can enter your password and press Enter in order to login.
5
votes
Authentication token manipulation error
This error is coming from PAM (Pluggable Authentication Module) which says the module was unable to obtain the new authentication token (check auth.log for more details about this error).
This is ...
5
votes
Reset User Password on Ubuntu Terminal in Windows 10 Environment
This was really tricky when I've faced this situation myself and solved it eventually.
First Start your "Ubuntu" and type cat /etc/passwd/ and note the number UID and exit the terminal.
Like below in ...
4
votes
Accepted
I have tried grub booting to reset my password but it won't work, did I do something wrong?
The official wiki:
https://wiki.ubuntu.com/RecoveryMode
I tried this with a wireless keyboard and it did not work. My guess is that I would have to connect a non-wireless one so you might have that ...
4
votes
How to recover the root password on ubuntu server
Click [View Console] to access the console and click the send
CTRL+ALT+DEL button on the top right. Alternatively, you can also
click [RESTART] to restart the server.
As soon as the boot process ...
3
votes
How do I reset a lost administrative password?
For me, on Ubuntu 16.04 VM installed in VirtualBox, when I boot into (with shift held before booting the VM) the root prompt, I always get Give root password for maintenance (or type Control-D to ...
3
votes
Renamed home folder, now I can't log in
You'll have to use a LiveDVD/USB to fix this. If you have another computer, download a copy of Ubuntu and burn it to your media of choice. Boot from that LiveMedia on the broken computer. Don't choose ...
3
votes
Reset User Password on Ubuntu Terminal in Windows 10 Environment
Open the command prompt, type either ubuntu config --default-user root or lxrun /setdefaultuser root. Hit Enter.
Next, open the Linux Bash shell and it will log you as root without asking a password. ...
3
votes
Accidentally set password without encrypting
Unfortunately you cannot recover the password. usermod has a poor description of this command as the password isn't encrypted, but hashed and salted. The intention it's impractical to recover the ...
3
votes
Accepted
My user was deleted from sudo group
To add your username back to the sudo group, please follow the steps below:
Reboot your machine and hold the Shift key as soon as you pass the BIOS logo to access the GRUB boot menu. You might need ...
3
votes
How to get access to Terminal and Password
Switch to tty as you have done: Ctrl+Alt+F3
Input your login: root, user or whatever your user's name is and hit Enter
Input your password. Password's input in that TTY is not displayed: there're no ...
2
votes
Accepted
Renamed home folder, now I can't log in
The usage of a live CD may not be necessary. The following was not tested, but should work.
Try to switch to text-only mode in your login promt by Ctrl-Alt-F1 and try to login. After the correct ...
2
votes
How do I reset a lost administrative password?
This is what worked for me.
**PROCEED only if all the following step are familiar and know what happens in each step.**
Boot using live USB
sudo mount /dev/sdb1 /mnt
sudo nano -B /mnt/etc/shadow
...
2
votes
How to back up my Ubuntu data when I forget my encrypted filesystem password?
It is completely impossible to recover encrypted files if you forget your password. Unlike the password to an account, which can be reset, if you forget the password to an encrypted filesystem, the ...
2
votes
I'm locked out of my main account, its suddenly become unreadable, and the super user password is no longer working
It is possible that you machine was hacked.
If so, I'd suggest:
Disconnect it from the internet
Recover root password using the answers here
Remove the pen-drive
Restart the machine
Boot into your ...
2
votes
Bypass Ubuntu Encryption
There's one useful workaround in some cases. If you have unencrypted swap, there's a fair chance that the passphrase has been written to swap at some stage, especially if you've used hibernate.
I ...
2
votes
Bypass Ubuntu Encryption
"bruteforce-luks" can be used to crack Luks encrypted volumes. 2 methods...
try all the possible passwords given a charset
try all the passwords in a file
All you need to do is create a file with ...
2
votes
Recover/change encryption password
Backup and Restore Decrypted Partitions: Warning this a bit technical
I'm putting together some scripts that will automate most of this, but if you'd rather not wait, I've tested the steps below. ...
2
votes
Can only enter as guest ,lost password
Apart from the solution that was pointed out in the comment, I have another way to do the same thing. It is a modification to one of the solution in the How do I reset a lost administrative password?
...
2
votes
Accepted
Backup chrome stored password
I just wrote a script that gets passwords from Chromium and decrypts them.
Decryption parts taken from https://stackoverflow.com/questions/23153159/decrypting-chromium-cookies
https://gist.github.com/...
Only top scored, non community-wiki answers of a minimum length are eligible
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