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0
votes
1answer
19 views

Locked my self out my original account and don't want to reinstall

Was locking down root with the /etc/grub/00.header command and didn't know to finish it so I rebooted the computer and now I can't get into my sudo account.
2
votes
0answers
12 views

Smart lock like on Android?

Is it possible to configure either LightDM or GDM to automatically log in when my laptop is connected to a certain WiFi? Or even better, to check my location regardless of what WiFi I use?
1
vote
0answers
87 views

Ubuntu Phone (Touch) lock screen issue after upgrade to OS 23

After updating my Aquarius 4.5 to OS 23 (Build Ubuntu 15.04 armhf), the screen won't auto lock. It's forever on and the phone is heating. However, if I manually press the power bottom, the screen ...
0
votes
0answers
13 views

I keep randomly getting brought to the lock screen and disconnected (14.04)

My screen goes black for a few seconds and I get disconnected from the internet and asked to put my password in, this has happened twice now and I do not want to keep doing it. Any help would be ...
1
vote
1answer
30 views

Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)

I tried to install dropbox over the software center but it froze while applying changes. I then forced the unresponsive software center to close and killed the ongoing process. Even after rebooting ...
0
votes
0answers
16 views

Brighness and Lock now working

I installed xscreensaver but this ended up not being what I needed. So I removed it. But now My system wont lock the screen like it use to. The settings are set to lock after 1 min and ask for a ...
0
votes
0answers
31 views

lock screen is still active

Tell me please is there any way to stop the screen lock in Xubuntu ? Everything in Power management is turn off, but still the screen locks automatically. Thank you.
1
vote
5answers
420 views

CTRL-ALT-L not locking screen Ubuntu 15.04 w/ Gnome

Title says it all. This is a feature I need. It's probably something easy, but googling it just gave me a hodgepodge of unrelated stuff.
2
votes
1answer
57 views

Brightness & Lock missing in System Settings - can't change screen locking time

I am running 14.04.2 LTS. I want to change the time it takes to automatically lock the screen when I step away, but there is no Brightness & Lock option listed under the System Settings. I have ...
0
votes
0answers
12 views

Warning messages that flash quickly when locking screen. Where is the log?

Trying to diagnose a problem I'm having with lock screen/suspend dropping all open windows/programs in my session. I noticed that some warning messages flash up when I lock/suspend, but they go by too ...
1
vote
1answer
26 views

Explanation of visudo lock file

When I edit /etc/sudoers using visudo, I think it saves to sudoers.tmp, checks it for errors, then copies it to the real /etc/sudoers. However, I can't confirm my theory (how the lock file is used) ...
0
votes
1answer
36 views

If someone switches user from my lock screen, can I get back into my session?

Someone accessed my lock screen and switched user while I had some unsaved work in progress. Can I get back to my session? When I try to access it, it just appears as a new session. EDIT: I've just ...
3
votes
0answers
66 views

After closing the lid, no screen display and computer hangs. Have to restart everytime.(14.10)

When I lock my laptop and close the lid, and again after sometime,when I open the lid, their is a blank screen with no display and even if I press any key(s), my system does not wake up.I have to ...
0
votes
0answers
13 views

lock screen user with direct access

I have just installed Ubuntu 14.04 LTS and created an user with direct access ( i.e. no password needed to log-in). But after 5 minutes idle, the screen lock appears and asks for a password to ...
3
votes
0answers
202 views

Ubuntu 14.04 logs me out when I try to lock screen

I'm having a weird problem where every time I try to lock the screen, Ubuntu logs me out instead. And when I log back in after locking, it makes me login twice: First I enter my password with the ...
0
votes
1answer
44 views

Unity and Gnome 3 Lock Screen

I installed Ubuntu Unity 14.10. Recently, I added the Gnome 3 shell so that I can run both. At my login screen, I can choose which one to log in to. I have noticed that when I choose to log in with ...
0
votes
0answers
45 views

Bluetooth is being locked by Windows 8

My Bluetooth was working fine, but after switching to Windows 8 and switching back to Ubuntu again it doesn't seem to work anymore. What can I do to fix this problem?
0
votes
0answers
39 views

System getting hanged after apt-get update

When I run sudo apt-get update system itself getting hanged and need to restart. The output getting is, W: Failed to fetch ...
1
vote
0answers
2k views

sudo useradd: cannot lock /etc/passwd; try again later (no lock files)

When doing this on Ubuntu server 14.04: camilstaps@localhost:~$ sudo useradd --home-dir /var/www/xxx.camilstaps.nl/ --no-create-home --root /var/www/xxx.camilstaps.nl/ --shell /bin/sh xxx I'm ...
0
votes
1answer
117 views

How to remove disk lock [closed]

I have installed ubuntu 14:04 version, I already write the password on the disk. turns out it was too long for me, I want to disable it, how? I am a beginner, need an answer
0
votes
0answers
13 views

cannot add or update ubuntu 13.10- do not know owner password, errors [duplicate]

New to linux but I have searched the other questions on these errors, eg Getting an "Authentication token manipulation" error when trying to change my user password and I am still coming up ...
2
votes
1answer
591 views

How to unlock locked session?

I'm using xubuntu 14.04 on AMD based hardware. It is configured not to lock a session and not to power down automatically on longer idle times. There have been no recent changes or new software ...
0
votes
1answer
153 views

How to disable locking in LibreOffice?

I want to disable file locking in LibreOffice, i.e., the creation of a hidden lock file in the directory of an opened document. The advice of the official documentation to comment out the second of ...
0
votes
0answers
34 views

How to lock an application screen?

I know how to make an application screen always appear on top, but is there anyway to lock it in place and run in real time(for example, a movie clip runs in a borderless window at some part of the ...
-1
votes
1answer
143 views

Xubuntu apt-get Errors

when i try to use the command apt-get update these errors appear: E: No se pudo abrir el fichero de bloqueo «/var/lib/apt/lists/lock» - open (13: Permiso denegado) E: No se pudo bloquear el ...
0
votes
0answers
23 views

Ubuntu hangs on for 1-2 minutes, after pressing “Lock Screen”

I've got Ubuntu 14.04 LTS. Sorry for my bad English, I am a Pole. When I press "Lock Screen" (top right) system is hangs on for 1-2 minutes. After 2 minutes it work. The mouse works but I can not ...
1
vote
2answers
136 views

lock screen has turned to an old design

It's been two weeks since I installed Ubuntu 14.04 and today I found out my lock screen has turned to a very old design. like this image: I am new to Linux and I tried to fix the problem but I got ...
4
votes
2answers
106 views

What is the purpose of lock file? [duplicate]

I have seen a file named lock in /var/cache/apt/archives in my Ubuntu 14.04. This file has only root access. When I try to display the contents of this file using sudo nano lock the file seems empty. ...
1
vote
1answer
176 views

Computer not suspending when inactive in the main log-in prompt

My computer is set to automatically dim the screen and lock after 10 minutes, and suspend after an hour of inactivity. That works fine - but only once I've logged in. If I switch the computer on and ...
0
votes
2answers
225 views

How to lock without turning the screen (monitor) off?

Due to a recent bug, each time my screen turns off, I cannot get it back on. Currently, the screen starts turning off after the computer is locked - which effectively means that I cannot lock my ...
0
votes
0answers
171 views

Automatic Screenlock keeping screen on, ignoring timeout setting

I'm on a Macbook Air 4,1 running 14.04, with surprisingly minimal trouble so far. However there is an issue with the screen - when I set the 'Lock' on, in 'Brightness and Lock', when I close the lid, ...
-1
votes
1answer
139 views

shlock not found

I'm trying to use a script for backing up btrfs, and it uses shlock here is the script: btrfs-subvolume-backup now it says i need the inn package, and I've triedn installing it, but still no shlock ...
1
vote
1answer
90 views

Lubuntu Screen Locking Issue

I have a laptop running Lubuntu. When I leave it for about 10-20 minutes, the screen auto-locks. I can unlock it the first time, but I can not unlock it after that. Instead, I need to force reboot the ...
0
votes
0answers
32 views

14.04 keystrokes don't register at screen lock

I have a ps2/usb Linksys KVM switch and a Belkin usb keyboard. At screen lock, keystrokes don't register at "password" on lock screen. When I switch to a CTL+ALT+F1 screen, my keystrokes register ...
0
votes
2answers
87 views

Restrict access to windows system files

I have both Ubuntu and windows 8 in my PC, i just want to make sure that i don't accidentally delete windows files. Is there a way to do so?? Maybe a partition locking tool or anything. Is there a ...
0
votes
1answer
2k views

Folder Lock in Ubuntu and Windows [duplicate]

Is there any way i can password protect or lock folder in ubuntu that can also be opened in windows 8?? I am using windows 8 and ubuntu 14.04
1
vote
0answers
33 views

Reason of removing apt/dpkg/lock & apt/archives/lock

Is it possible to install multiple packages by deleting " Using apt & dpkg in the same time ". dpkg/lock & /archives/lock The Ubuntu Developers made it for reason "that you can not ...
0
votes
0answers
32 views

Suspend from keyboard at lock screen

I have a Logitech DiNovo Edge wireless keyboard with a suspend button. This button does work properly most of the time when the screen is unlocked on the last few Ubuntu versions (included 14.04). ...
2
votes
0answers
183 views

Unable to use webcams

I have 3 webcams attached to my laptop for a c++/opencv project and my program crashed. Now it keeps giving warnings that "device or resource busy". I suspect this is a OS level error. Is there any ...
6
votes
5answers
13k views

Lubuntu enforces screen lock

I can't disable screen lock in Lubuntu. In Power management I have it unchecked. There is another option "Enable light locker" in the "Light locker settings". I also have this unchecked but I still ...
0
votes
2answers
41 views

Too Many Lock Screens

I installed a few different GUI environments for Ubuntu 14.04 and I finally settled on KDE. However, when I lock my desktop and come back to it I have to sign in twice... I have two different ...
3
votes
3answers
9k views

How do I unlock /var/lib/dpkg/lock? [duplicate]

I attempted to install dropbox on my Ubuntu system, but now I am unable to install or uninstall any software. I get this error: E: Unable to lock the administration directory /var/lib/dpkg/lock? I ...
0
votes
1answer
555 views

Can't see desktop

I tried to remove the guest account following the instructions on this page Removing Guest Session at login in Ubuntu 14.04 I followed the steps and then restarted the laptop. As usual the Lenovo ...
0
votes
2answers
116 views

Keyboard Shortcut not Appearing in Keyboard

I'm trying to play Minecraft (A video game) that makes use of F3. However, I'm on a laptop which requires you to hold down Fn in order for a F# key to be registered. The problem is that Ubuntu ...
1
vote
0answers
35 views

Lock-screen to take a picture after incorrect password [duplicate]

Is there a way to modify the lock screen to show a custom message and/or take a picture (/w the webcam) when incorrect password was typed in? (Like it was shown in the movie Goodbye World) (And does ...
1
vote
2answers
59 views

How to restrict account access temporarily ubuntu

I need to temporarily lock accounts for couple of users on my Ubuntu server. What would be the best way to do this? Reason for doing this is a maintenance. However for some users the accounts need to ...
2
votes
1answer
316 views

Are you a root? [duplicate]

If I want to install a program by: sudo apt-get install package_name I always get the error: E: Could not open lock file /var/lib/apt/lists/lock - open (2 No such file or directory) E: Unable to ...
4
votes
2answers
1k views

How to unlock file, locked by a process

The file is locked by a process, java in my case. I only want the lock to be released. lsof | grep /home/user/workspace1 A temporary solution was to 'End Process' from 'System Monitor'. But ...
0
votes
1answer
58 views

Click lock on Ubuntu 12.04

I am a new Ubuntu user and I really miss my click lock feature from Windows. Basically, what I need is this: I click on my left mouse button for 1 second (or an other small time interval) With the ...
3
votes
1answer
2k views

Unable to create lock file when starting mongod via upstart

I'm trying to set up my mongodb upstart script to work as an arbiter, but I'm having permission problems when trying to create the lock file in the data directory: Tue Apr 1 17:11:01 [initandlisten] ...