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1
vote
2answers
212 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
315 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
298 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 ...
2
votes
2answers
399 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
1answer
318 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
150 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
2answers
160 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
42 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 ...
2
votes
0answers
306 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 ...
7
votes
6answers
23k 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
67 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 ...
8
votes
3answers
25k 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
1k 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
137 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
37 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
74 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
460 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
2k 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 ...
3
votes
1answer
3k 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] ...
3
votes
1answer
216 views

How to launch program on lock and close it on unlock [duplicate]

Have siblings who like to "play" with my laptop by waking it from suspension and then typing random keys on the keyboard into the password field. Afterwards, they always deny it. I plan to install ...
1
vote
1answer
89 views

Unity is locked, you can not remove icons or move them

Issue the following, I can not change the order of icons on the unity, nor their sleep or anything to add that it would be "locked", the programs run.
0
votes
1answer
2k views

Cannot mount iPod touch to Ubuntu due to Lockdown errors

I sit before you with the common question of how to sync an iPod 5G or any iDevice to Ubuntu 13.10. I have asked Apple tech support many a time aswell as their online chat and it has yielded no info ...
2
votes
0answers
221 views

Put monitor to sleep when locked? [duplicate]

Whenever Ubuntu 13.10 locks: Instead of making the monitor go black and the power button (on the monitor) turn orange like Windows did. It loses connection to the computer and shows me the Dell ...
2
votes
2answers
157 views

What is the role of lock files in a system?

I can see there are many lock file here and there in my system. What is the exact role and purpose of those lock files? In my system I got this list, /run/lock/whoopsie/lock /proc/sys/dev/cdrom/lock ...
24
votes
1answer
30k views

Install with sudo app-get install doesn't work, “Not using locking for read only file /var/lib/dpkg/lock”

I just installed Ubuntu Touch on my Nexus 7. Unfortunately I can't install anything from the terminal app: If I enter: sudo apt-get install yasm -y git make g++ build-essential libminiupnpc-dev I ...
0
votes
1answer
216 views

screen keeps black in ubuntu 13.10 when it must come out of sleep mode

I'm running Ubuntu 13.10 on a completely new machine, was fresh installed. After a while, while not working on it, the screen turns black, when you try to work again, you can't exit the black screen, ...
2
votes
3answers
4k views

How to lock a folder from terminal

Is there any way to lock a folder from terminal(protected with password) without using any third party applications like truecrypt,crypteeper nor giving user permissions. It was just like whenever a ...
15
votes
4answers
13k views

iOS 7 Locked Bug via Ubuntu 13.10

I wanted to bring up an issue with the latest Ubuntu release that I hope can be solved. Although I will agree with the community that iOS 7 is not the most open platform release, it still is my desire ...
0
votes
1answer
384 views

Where is my lock file? mysql [duplicate]

Below is my console out put I have no idea how to proceed with this, Can anyone provide some direction? apt-get install mysql-server Reading package lists... Done Building dependency tree ...
1
vote
1answer
2k views

Changing Gnome Lock Screen

Ubuntu 13.04 Gnome Desktop: 3..6.2 Does anyone now if it is possible to add this specific lock theme with the above versions? I can't find the "apps/gnome-screensaver" referenced in the ...
0
votes
1answer
80 views

lock var lib folder

Hi I installed a program ant between install it disconnected from internet and when I want to install program i can not and give this error what shoud I do? Could not get lock /var/lib/dpkg/lock - ...
0
votes
1answer
32 views

Mousepad “Lock when hit”

All right, I don't know how to say this, but I will try my best! When i used Windows 7, I could touch my mousepad and "emulate" a left-click, but when I do this in Ubuntu, the mousepad temporarily ...
1
vote
2answers
1k views

Is there a way to lock a specific application, in ubuntu, with 'sudo' method

For instance, if I needed to lock firefox, and whenever someone needs to access it (under the same username as mine) the usual sudo password prompt should appear. I have disabled password prompt by ...
0
votes
1answer
474 views

How to fix ubuntu 12.10 brightness and lock icon

When clicking on the brightness and lock icon, the system settings just closes but never open brightness and lock.
1
vote
1answer
1k views

Gnome lock Screen

I have installed Ubuntu 13.04 Gnome shell version. When locking the screen I get the clock in the middle with the desktop icons in the back ground. I would like to know if there is any way to change ...
0
votes
1answer
651 views

How to disable disk lock?

I am a new Ubuntu user and have recently installed Ubuntu 12.04 to my computer. Now every time I turn on the computer it keeps asking me to introduce a password for the Disk Lock or something before ...
1
vote
1answer
206 views

automatic lock screen issue

My Ubuntu 13.04 does automatic lock screen after X minutes, but the screen is still showing any opened windows. Only after we tried to click or type anything, Ubuntu will prompt password to unlock. ...
0
votes
1answer
110 views

KDE randomly locks screen

I have Ubuntu 12.04 LTS and I installed the KDE desktop via the sudo apt-get install kde-plasma-desktop command (I wanted less stuff than the sudo apt-get install kubuntu-desktop command would install)...
0
votes
1answer
2k views

Update: Failed to lock /var/cache/apt/archives/lock

I am running the upgrade(12.10 to 13.04) through terminal and it keeps getting stuck at this: Failed to lock /var/cache/apt/archives/lock What do I do? I have root access. I have no idea what else ...
2
votes
1answer
4k views

How do I install gpointing-device?

I would like to install the gpointing-device-settings package which I found on the Launchpad website https://launchpad.net/ubuntu/+source/gpointing-device-settings I tried: apt-get install ...
0
votes
1answer
125 views

Computer has locked up, will it recover?

I have set some programs to run on my desktop (intensive) and I think they are using all available RAM, to the point that now the machine is completely locked up the clock isn't even updating (it's ...
1
vote
1answer
737 views

/run/lock and /run/shm missing

Recently I found /run/lock and /run/shm folders to be missing. I tried to recover some files with a mounted disk, I now know that this may caused the harm. So unaware what to do, I created these ...
0
votes
1answer
619 views

Lock icon in external drive's folders

When I attach the external hard drive, the folders have a lock icon on them and i am unable to delete them. I tried to use sudo chown -R $USER:$USER $HOME but to no avail, this did not work. Please ...
0
votes
2answers
2k views

Cannot lock /var/lib/dpkg/ [duplicate]

semary@SemarY-PC:~$ sudo apt-get install linux-headers-generic E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/...
0
votes
1answer
1k views

Lock Hard drive partition using ubuntu password

i want to use my ubuntu password , to lock a hard partition with it can i ?! use my password so no one else can acess type of partition
1
vote
0answers
844 views

Postfix master.lock: permission denied

I'm triyng setup the postfix, but with no success. I am using webmin to configure. my problem is that postfix won't start, always with the same message: Mar 19 19:21:13 site postfix/postfix-script[...
0
votes
0answers
18 views

installing software terminated in the middle [duplicate]

I am new to Ubuntu and i was trying to install the restricted extras using this command sudo apt-get install ubuntu-restricted-extras In the end there was a licence aggrement page which it asked me ...
0
votes
1answer
101 views

How can i lock a device id to a particular port address

I want ttyUSB0 to be always used by my GSM modem how can i do that even after restart it must not change..is there any way to lock GSM Modems id to ttyUSB0.
0
votes
0answers
20 views

Lock computers abilities [duplicate]

I need to have a computer which allows users to access one website (login and buy meals). It should be secured so that they can't do anything other or access other websited. Does anyone know any good ...