Questions regarding passwords and the use of them. Where and when it is needed for system security.

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1answer
56 views

new install of Ubuntu will not go past password login

I'm thoroughly frustrated with my Ubuntu 14.04 install. I wiped my Windows 7 in hopes that I would no longer need it if Ubuntu was all it was purported to be. Now I'm screwed because Ubuntu will not ...
0
votes
0answers
91 views

cannot log in after software upgrade - ibus issue

(I think that this issue is different from others with a similar title. In my case the problem was caused by a piece of software called ibus.) I just applied a software update to my Ubuntu 14.04 ...
0
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0answers
104 views

Deault Guest Session password Ubuntu 14.04.3 LTS

I downloaded Ubuntu 14.04.3 LTS (64 bit) image from the official site.I installed that on VMWare.After installation its showing guest session password.During installation it didnt ask me for any ...
0
votes
1answer
50 views

ecryptfs-recover-private not accepting password

I'm trying to recover my encrypted home directory using an ubuntu liveUSB. When I run ecryptfs-recover-private and it asks for my login passphrase, I type my login passphrase, and it fails. In ...
0
votes
3answers
120 views

How to lock files with custom-set password?

How can I lock files and programs with custom-set passwords? That is, without changing the permissions of the file so that the sudo password has to be used...
0
votes
1answer
501 views

Login Screen keeps asking for password

I installed Ubuntu 15.10 on VirtualBox today and while trying to install jdk1.8.0_66, I updated /etc/profile and /etc/environment files for updating JAVA_HOME & PATH variables. Even after the ...
1
vote
0answers
47 views

How to use a proxy that requires authorization without exposing credentials (username and password)

There are knows ways to setup internet and system updates access through a proxy by setting the environment variables (http_proxy=) and/or updates' config options (like Acquire::Http::Proxy). There ...
1
vote
1answer
172 views

Can ecryptfs login and mount passphrases be changed?

Consulting the Internet documentation and the UNIX manpages of ecryptfs, I found a bit confusing the random use of login and mount passphrases, wrapping and wrapped passphrases. For instance, from ...
4
votes
2answers
195 views

ecryptfs and login passphrase vs mount passphrase

I installed ecryptfs-utils and used it to create a Private encrypted folder in my home directory. During creation of Private encrypted folder I was asked for a login passphrase and a mount ...
0
votes
1answer
34 views

Password Problem Can't find a solution that works?

I found my log in password had changed. I have no idea what the new one is. I keep trying to go to grub and get as far as being asked for the new UNIX and there I stick. The keyboard simply does not ...
1
vote
0answers
187 views

What is the default password in BTsync?

I set up the BTsync by downloading the package from their homepage and running $HOME/.bsync from the extracted package. Then, it says go to http://localhost:8888 where I get: Ubuntu 14.04 LTS ...
0
votes
1answer
186 views

TRUSTY: ssh connexion [root@127.0.0.1 Permission denied] [duplicate]

I have this script that I am trying to execute on my machine Ubuntu 14.04, which indicates that I should Manage the ssh keys on servers to avoid entering password each time, which I didn't know how ...
0
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0answers
174 views

Dante Server Password Authentication Failing

I installed Dante following this Guide: https://tech.tiq.cc/2012/06/how-to-set-up-danted-dante-server-socks-proxy-on-linuxdebian-with-authentication/ Therefore my setup looks like this: ...
0
votes
1answer
51 views

On Ubuntu 14.04.3 - something is changing regular user's password within 24 hours causing access problems

I'm using a Digital Ocean droplet (Ubuntu 14.04.3) to create a temporary ftp server to get some data (it doesn't need security). I've set up vsftpd so that access is given to regular chrooted users ...
0
votes
1answer
52 views

Ubuntu will not set Account Password

When I enter my credentials and enter a new password, Ubuntu gives me no errors however. When I log out to log back in, there is no prompt for entering a password on the log on screen. I am just able ...
3
votes
1answer
159 views

How do I display login message such as password expiry warning?

I'm using sssd to authenticate against an active directory. The passwords for the user may expire after a given time. In sssd.conf you can set [pam] pam_pwd_expiration_warning = X to change the days ...
0
votes
1answer
133 views

Why I can't change my ubuntu root password? [duplicate]

I've been using Ubuntu 15.04 for a while with my password, so far so good (I'm the only user and root). But I wanted to change my password and tried to do that throuth terminal withsudo passwd. It ...
0
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0answers
14 views

Mac disk creation error 'permission denied'

Whenever I try to execute command: sudo dd if=/path/to/downloaded.img of=/dev/rdiskN bs=1m I get an error : permission denied how do I remedy this issue?
0
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0answers
37 views

Password for Ubuntu

When I installed Ubuntu in a virtual-box, there was no asking for user name and password, but when I start it, it asked to enter the password for the user name (user) and I do not know the password. ...
0
votes
1answer
59 views

LiveCD asking for password [duplicate]

I’m running the LiveCD of Kubuntu (latest release). However, to login, it is asking for a password. Where I can get this information for LiveCD credenials?
1
vote
1answer
638 views

Update of 15.10 password problems

I have updated to 15.10 successfully, Password not working so remounted drive reset password and got message successful, Started ubuntu again but password still not recognised. Any ideas?
0
votes
0answers
139 views

Manage passwords in Chromium --> security risk?

I realized that in Chromium (and also Chrome) for Linux it is possible to see all saved passwords in clear text. That seems a bit strange to me... after a short research I found out that it is not ...
1
vote
1answer
70 views

Dell Latitude E7450 cant write disk encryption password A7 password

After the upgrade to A7 BIOS on my Dell Latitude E7450 running Ubuntu 15.04 the disk encryption screen is no longer working. Nothing happens on screen when it prompts me for password to unlock ...
52
votes
2answers
6k views

Why does Ubuntu have a disabled root account?

Ubuntu disables root login for "security reasons". However it seems to me that it doesn't help with security at all. If an intruder manages to get your login password for Ubuntu, then he also has the ...
0
votes
1answer
29 views

Email password forgotten

I remember the password to logon Ubuntu operating system. However, I can't remember the password for my email on the system. There are some emails that I need to forward to another laptop. When I ...
0
votes
0answers
8 views

Need help changing username on Acer Chromebook c720 [duplicate]

I installed Ubuntu on my Acer c720 Chromebook last month. When setting it up I must have typed my password in as a username and now it won't let me change it back (tried user accounts but appears to ...
0
votes
0answers
43 views

how to lock any files on computer

I have seen folders on my computer that are locked and I want to be able to password lock a folder making it inaccessible to anyone without the password (e.g users, superusers, admin, and root) wants ...
4
votes
1answer
278 views

Using Expect in Bash to set the inital “postgres” user password?

Following the tutorial here: http://www.unixmen.com/install-postgresql-9-4-phppgadmin-ubuntu-14-10/ I am scripting the installation of PostgreSQL in bash but having a problem when it comes to setting ...
0
votes
1answer
59 views

Ubuntu keeps asking me for Gmail passworld

I'm using Ubuntu 15 and everything was fine till i decided to use evolution. Evolution failed to connect to Gmail and since then it asks me to enter my password for my Google account. according to ...
1
vote
1answer
38 views

Issue with keyring and saving passwords

Installed Ubuntu 14.04. Setup main user and keyring works as expected. Added a second user and not able to save passwords to keyring while logged onto second user. Neither login password allows the ...
-1
votes
1answer
60 views

Ubuntu 14.04.03 wont accept password password is correct

Ubuntu 14.04.03 i set up my user name and password installation finishes i reboot type in the username and password says it incorrect password but it is definitely the correct password.
0
votes
0answers
17 views

Can I Mount a portable hard drive using console, neither being a sudoer nor having the super-user password?

basically the title has my question Can I Mount a portable hard drive using console while neither being a sudoer nor having the super-user password? Once I give my user's password it tells me that ...
0
votes
0answers
33 views

Changed password accepted by TTY but not the normal login

I have 2 admin-accounts, say adm1 and adm2. As adm1 I changed the password of adm2 in a terminal with # passwd adm2 etc. Testing it in another terminal, it worked fine. Rebooting the machine, the ...
23
votes
5answers
2k views

How important is the sudo password?

I know that the sudo password protects my computer from being locally hacked by someone having physical access to it (edit : actually, it doesn't). My password is strong enough for that purpose, but I ...
1
vote
3answers
236 views

Encrypted home dir: Cannot login after sudo password reset

I have a user, say secretuser, with an encrypted home directory. Unfortunately I forgot the password for user secretuser, because it was very secret. So I loggged on with another admin user, say ...
0
votes
1answer
84 views

How to check security on Ubuntu

Today while I was trying to install a new software via software center, my password stopped working, that was strange for me after that situation I tried searching askubuntu.com to reset my user ...
0
votes
1answer
358 views

ubuntu drop to root shell prompt asks for password

I'm using ubuntu 14.04 and I messed visudo and now sudo code is not working. So, I tried to fix it but because I'm not root user, I can't access to visudo to fix what I messed. so I tried reboot and ...
0
votes
1answer
94 views

Evolution 3.10.4 password nuisance

I have been using `evolution' since 2007. This summer evolution has started, for no apparent reason, to ask for mail account passwords and key-ring passwords at 5 minute intervals. Can Anyone tell me ...
1
vote
0answers
63 views

Ubuntu Samba share files with different passwords?

I am trying to figure out how to make separate passwords for all of my shared folders. For example. [Share Name] path = /location/of/directory guest ok = yes browseable = yes read only = no I ...
0
votes
1answer
67 views

Further username and password problems

I'm new to Ubuntu. I'm testing out 14.04 on several netbook, tablet and tower platforms and am impressed by how easy trying & installing is compared to my first efforts 10 years back! Both ...
2
votes
4answers
864 views

Is there any difference between sudo password and the one I used to login? [duplicate]

I was under the impression that both the sudo password and the password that I use to login to Ubuntu are the same. But it happened that after logging into the system, tying the password in terminal ...
2
votes
1answer
97 views

Have I killed my Ubuntu 14.04.3 trying to recover password and get Grub to work?

Been happy Ubuntu convert since late 2013 when paid to ditch Win8 and install Ubuntu. [Ubuntu 14.04.3 on HP Compaq CQ58] Like many others forgot my password For me that happened after lappie lay idle ...
11
votes
1answer
1k views

Why is there an inconsistency in base64 output?

I am using the java based neo4j graph database on lubuntu 15.04. The neo4j HTTP authentication header uses base64 encoding of 'username:password' (not including quotes). Using wireshark I can see ...
1
vote
1answer
62 views

sudo doesn't request a password after installing PiNet

After installing PiNet on my Ubuntu machine, I noticed that sudo is no longer prompting me for a password. This is still the case after rebooting or after running sudo -k: $ whoami thang $ sudo ...
0
votes
0answers
30 views

Recover data from /home

I have changed my laptop's hard drive because the Elemmentary OS that was installed on it, didn't start, and I can't figure out how to fix it without formatting the drive. Now I have installed in the ...
0
votes
0answers
28 views

How do I change full disk encryption password [duplicate]

I have recently fallen in love with the new Xfce4 desktop environment. After trying out Xubuntu 14.04.3 LTS, I made up my mind that it shall be my new OS. Just as any Ubuntu flavour I have installed. ...
0
votes
2answers
71 views

Install CryptoTE for 14.04 (trusty)

I am trying to install CryptoTE on 14.04 (trusty) using these instructions which are for 12.04. Link to CryptoTE, Instructions First is this: wget -O- https://panthema.net/repo/key.asc | sudo ...
0
votes
0answers
21 views

password reset doesn't really work [duplicate]

I forgot my password and used the methods recommended here. I tried both the more manual, command line, method and the graphical menu method listed in the following link: How do I reset a lost ...
0
votes
1answer
45 views

Convert Ubuntu to _not_ using sudo

I've searched this forum but not found an answer. I've a user that uses sudo I've set a root password so I can use su What I would like to do is remove the use of sudo, so that the system asks for ...
3
votes
1answer
116 views

Root shell is not helping in recovering access to administrator account whose password I have lost

I lost administrative password. I have tried - I know the regular method by which I go to GRUB menu and go to root (drop to root shell prompt) and set password there. It is well described - here. To ...