Questions tagged [lock]

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votes
1answer
30 views

Lock One Desktop Icon

On Ubuntu Mate 18.04, how might I lock just one of my desktop icons, so it will not be moved. when I "Organize Desktop by Name.
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0answers
11 views

Added keyboard layouts don't show on login screen - Ubuntu Studio 20.04 x64

I use Ubuntu with an Australian keyboard layout and I want to add a new user from the lockscreen who needs to use a French layout (AZERTY). I added the French keyboard from my session and, within my ...
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0answers
13 views

Lock resource to stop other users from using it

In our company we have a server machine that is widely used by our team, everybody has their own user account and everything works good. Now, there are a few developers that are working with a ...
0
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0answers
35 views

Ubuntu 18.04 - Screen doesn't to sleep; session doesn't lock

Recently I discovered that my system doesn't let my screen go off, as in power saving mode. I have this setting right as I always did - the usual then 10 minutes. What happens is that the screen dims ...
0
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0answers
80 views

I can't fix it “sudo apt-get update” error, error, error

oot@KL:/var/lib/apt/lists# sudo apt-get update Aynı: 1 http://archive.ubuntu.com/ubuntu focal InRelease Traceback (most recent call last): File "/usr/lib/cnf-update-db", line 26, in <module> ...
0
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0answers
18 views

Getting chage: /etc/passwd.23621: Permission denied chage: cannot lock /etc/passwd; try again later

I am trying install packages on Ubuntu 16.04, like chrony and I'm getting a permission denied error message. Regression I'm running as root and also able to add a user manually. I checked that the ...
0
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0answers
34 views

I'm getting this type of screen after screen reopen in some applications in 20.04

when I lock or suspend and close the screen after reopen screen I'm getting this type of undefined screen in some parts of applications like vs code terminal and Viber. Some screenshots: Laptop: Hp ...
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0answers
38 views

Error while updating softwares 20.04 [duplicate]

enter image description hereI have a problem while trying update ubuntu 20.04 How I can solve this?
1
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1answer
74 views

Screen does not lock on suspend

I have recently updated to 20.04 and now when I suspend, either waiting for a long time, closing the lid or manually suspending, the screen does not automatically lock. I've tried setting the 'lock on ...
0
votes
3answers
60 views

Could not get lock error while trying to sudo apt upgrade [duplicate]

I'm typing sudo apt upgrade E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), ...
2
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0answers
40 views

lock screen on resume

I have Ubuntu 18.04 with Plasma installed and I have Lock screen on resume: checked under System Settings -> Desktop Behavior -> Configure Screen Locking but when I put my computer to sleep by K-Menu -...
0
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0answers
22 views

cant change a login scrreen or always shows this screen on startup

When ever I open it shows this old type. this is scrreen looks like on startup
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0answers
77 views

Ubuntu 18.04 Suspends only after lock

it looks like my installation of Ubuntu is having some issues with the order of operations. Whenever I try to suspend the system using the systemctl suspend command or by closing the lid after ...
0
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0answers
58 views

Something is wrong with the locks on my PC at work

I'm using Ubuntu 16.04. Whenever I try to run most of the programs I get an error related to locks. Even when I open a terminal window I get an error related to locking. For example, when I open a ...
0
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0answers
19 views

Is locking the screen logged somewhere? [duplicate]

When looking into the systemlog I only can find when the screen has been unlocked: "gkr-pam: unlocked login keyring" How can I find out at which time the lock has been applied?
-1
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2answers
213 views

Is it possible for a Bash script to lock package management so that the script could still use apt (and dpkg) to make changes?

I would like to do something like this: Ask user which packages to remove interactively Remove the requested packages And I want to keep the package system intact while getting the user input. It ...
0
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0answers
193 views

How to Get a Flash Drive with Exfat to Work in Lubuntu 19.10?

I read other questions regarding this issue and went into Terminal to follow the solution, typing, "sudo apt-get install exfat-fuse exfat-utils". This is the error I received, which incidentally also ...
1
vote
2answers
815 views

Stop monitor from going to sleep in ubuntu 19.10

I'm searching for a new solution to stop monitor going to sleep in ubuntu 19.10 desktop when I lock screen. This solution with gscreen doesn't work anymore: https://askubuntu.com/a/788456/1020896. ...
0
votes
1answer
122 views

lubuntu 19.10 / myria MY8312SV / discover app / can not obtain lock [duplicate]

I can not install nor upgrade anything 'can not get lock var/lib/dpkg/lock-frontend. it is held by the process 2469 ...' could you suggest what to do to ?
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0answers
54 views

Automatic Screen Lock does not work

I'm using Ubuntu 19.10 (Eoan Ermine) and the 'Automatic Screen Lock' feature does not work. No matter what delay time I choose, the screen just never gets locked. I am able to lock the screen manually,...
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0answers
70 views

How to repair corrupt package installation? (mysql, atom text editor) [duplicate]

I really don't know what's happening. Please help. I do not understand all these things. This happened after i installed atom text editor hp@hp-HP-Pavilion-Notebook:~$ sudo apt --fix-broken install ...
0
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0answers
216 views

Possible missing firmware for i915 and nouveau when updating kernel with ukuu

I am writing it as an experience as I found most of the answers are too detailed for a newbie and hoping that it will clarify two different aspects. I was installing 5.3.4 kernel with UKUU and was ...
3
votes
2answers
129 views

How can I run a command when a usb device is (dis-) connected?

I am new to linux, and this is probably a noob question, so, sorry for that. I am using a linux PC in my workshop, and I would like to automate the workshop. That's why I have installed a power strip ...
1
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0answers
55 views

ubuntu 18.04: Delay screen from going black after manually selecting lock

I was wondering if there was any way of delaying the screen from going black after manually selecting lock from the menu pane. If possible I'd like to set the lock screen itself to go black after 20 ...
0
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0answers
36 views

Screen turns off after lock session

Ubuntu 19.04 GNOME When I lock my computer screen turns off for a shot period. How to disable this?
0
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0answers
18 views

Black screen with cursor after locking

Using Intel® HD Graphics 520 I get a black screen after locking my laptop. Doing Ctrl+Alt+F1 and Ctrl+Alt+F7 'fixes' it by bringing the login screen back. However, if I use any application in ...
2
votes
1answer
495 views

Could not get lock /var/lib/dpkg/lock-frontend - specific to one single .deb package

I have a custom built package I'm trying to install on my device. It returns this error: nvidia@tegra-ubuntu:~$ sudo dpkg -i MyPackage.deb (Reading database ... 181574 files and directories ...
0
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0answers
70 views

Fuzzy/broken desktop and lock screen Ubuntu 18.04

Really not sure what to do here and cannot replicate consistently. Sometimes this just happens... My graphics card is a GTX 780Ti and drivers are updated (430.26)
3
votes
1answer
241 views

Disable Lock Screen on Resume

I am using Ubuntu 19.04 and am attempting to disable the lock screen from appearing on resume completely. I have disabled the Screen Lock in Settings, installed the "Disable Screen Shield" extension ...
1
vote
1answer
85 views

Resume/revert changes by interrupted installation

I was installing ubuntu-restricted-extras, however process was stuck on configuration (couldn't click OK in terminal). I just closed terminal. Now I can not run any upgrade case of the lock on this ...
1
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0answers
58 views

After opening laptop, screen repeatedly locks

When I close my laptop and open it back up and log in, it lets me log in but then roughly 30 seconds later it goes black for a moment, locks, and requires me to put my password in again. The issue is ...
1
vote
1answer
253 views

On kubuntu (KDE) all desktop icons can be moved, but not configured. They show a black lock across

No, I haven't locked my widgets. I can move them around freely, I can create them, I can delete them. But I can't resize them and I can't get to their handles. I searched in here, and found two ...
0
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0answers
37 views

Is there any logging of the basic access to the PC with Ubuntu?

Is there any logging of the basic access to the PC with Ubuntu. Also that PC is not auto-locked in some time, only the screen is dimming. For example, someone comes nearby, touches the mouse, and the ...
2
votes
0answers
249 views

Screen lock on Ubuntu 18.04 goes to switch user

I have a new Ubuntu 18.04 installation using lightdm and ubuntu-desktop. Other than root, users are set up via an LDAP server. If I log on as a regular user, I get the desktop w/o issue. If I ...
84
votes
1answer
162k views

E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable) [duplicate]

I'm trying to run this command in the terminal: sudo apt install software-properties-common This is the error message I get: E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource ...
0
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0answers
55 views

Hide user input - Ubuntu lock screen

I was wondering (and didn't find any information) if I can hide the password symbols (*) when logging in, I want to make my lock screen like the terminal when you type your password (just for fun :D) ...
1
vote
1answer
1k views

What are the shortcut keys to lock screen on Ubuntu 18.04?

Before Ubuntu 18.04, I could lock my screen by using Ctrl + Alt + L keys, but I cannot do it on 18.04. Does anybody know what are the shortcut keys to lock screen on Ubuntu 18.04?
0
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0answers
630 views

Lubuntu 18.04 screensaver lock not working

I'm using Lubuntu 18.04 (or 10, don't recall). In the last couple of days, my screensaver lock has stopped working. It was working fine a few days ago. My screensaver would kick in and in order to get ...
0
votes
2answers
199 views

Problem cleaning boot partition

I tried to upgrade my Ubuntu 18.4 to 18.10. At the end, it tells me it cannot continue because I don't have enough disk space on /boot and therefore it did only a partial update. I reboot the system ...
4
votes
2answers
371 views

How does apt-get use /var/cache/apt/archives/lock?

I am curious of how /var/cache/apt/archives/lock used in apt-get. I found out that it is a regular file and I think it is used by calling flock on it every time apt-get needs to make some changes to /...
0
votes
1answer
945 views

Anydesk is completly locking my Ubuntu 14.04 OS?

I was using anydesk 2.9.5 version but it is freezing my computer. Also upgrade to latest version of anydesk 4.0 free personel program but it is locking all my system and my 14.04 OS is completely ...
0
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0answers
739 views

Manually Simulate “bad interpreter: Text file busy”

Sometimes I get an error: chmod +x a.sh ./a.sh Error a.sh: /bin/bash: bad interpreter: Text file busy I figured out the solutions was to add a sleep between the two lines: https://github.com/moby/...
0
votes
1answer
91 views

Use many terminal tabs to install using sudo command

So there were several questions regarding how to run several terminal windows to install something with the command sudo - Essentially what bothers me is the fact that I have to type the following ...
4
votes
4answers
9k views

Ubuntu 18.04 opening system setting logs me out

I've recently installed Ubuntu 18.04 in a dual-boot configuration with Windows 10. I noticed today that, when trying to open system settings, Ubuntu seems to log me out to the lock screen. When I log ...
0
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0answers
81 views

I Cannot find swipe to Unlock setting in Settings oin Ubuntu 18.04 LTS.

How do I remove swipe to go to unlock in Ubuntu so's i don't havt to swipe to unlock?
1
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0answers
189 views

ubuntu 18.04 locks itself after 5 mins from logging even if working

I had installed ubuntu 18.04 on my del inspiron lap. when I logging in and work it returns to lock screen after 5 minutes even if I am working.
0
votes
1answer
752 views

No lock button in Status Bar of Ubuntu 18.04

No lock button is present in the drop down of the status bar in Ubuntu 18.04. When I go to Settings> Privacy> Screen Lock, I can click Screen Lock to open the Screen Lock window. In the Screen Lock ...
1
vote
1answer
295 views

How to lock hostname changes in Ubuntu 18.04

I take care of a computer lab and I need to lock changes in the hostname because of the students. Ps: They do not have root access
0
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2answers
172 views

18.04 Screen blanks after several hours, machine still running, all I get is a cursor

I can hear sound when I click around. Mouse is visible. When hitting the NumLock key it turns on and off so the computer is not locked up. I have to reboot the machine to get back in. I have spent a ...
0
votes
1answer
7k views

Can't install apps using sudo apt-get install: unable to lock the administration directory [duplicate]

I can't install some applications using apt-get. It shows the following error. How to solve it? $ sudo apt-get install apache2 E: Could not get lock /var/lib/dpkg/lock - open (11: Resource ...

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