Latest Ubuntu related questions

Score: 0
jim avatar
check/remove permissions to access laptop camera
id flag
jim

I wanted to read a QR code and used an online site. The site asked me permission to use the camera which I granted.

I'm now a bit worried, how do I check the permissions and if, necessary, remove them?

Score: 0
arminbiklari avatar
how to restore removed data with "fsck -y "
in flag

when my hard disk have been read only and i'd tried to fix this with fsck -y command and remove everything ,this is the output:

inode xxxxxxx seems to contain garbage

how can i restore my data?

Score: 0
Ahmad Zahid Mujaddedi avatar
JOptionPane.showMessageDialog does not work
in flag

I try to display a message dialog approving the success or otherwise of my Java program with the database. I used different ways to see if it is successfully connected or not. and yeah it the connection is successful but I do not get a message dialog approving it. I am using Eclipse on Mac. Here is my controller Class. Please help!

package application;

import java.net.URL; import java.sql.Connection ...

Score: 0
Divyansh Rajput avatar
Installing ubuntu 18.04 by removing windows 8.1
us flag

I just need to install ubuntu 18.04 by removing windows 8.1 from my machine. Which option will be good for me? creating partitions during installation or simply clicking on 'erase everything and install ubuntu' because I don't have much knowledge about creating partitions during ubuntu installation. I will be very grateful if you will look forward towards the matter cand do the needful. thanks.

Score: 0
sambit16 avatar
Ubuntu Upgrade to 20.04 is not working
in flag

After a long time I opened by system and trying to upgrade Ubuntu from 18.04.06 LTS to 20.04.3. But Its not working. As there is no error message I am unable to figure out the issue. After few minutes in the upgrade window, it shutdown without any error. Anyone faced the same issue. enter image description here

Below is the output when done through command prompt.

~$ sudo do-release-upgrade

Checking for a new Ubuntu release
G ...
Score: 4
Ubuntu 21.10 - Syslog.1 is 23GB in size!
in flag

Ubuntu 21.10 (upgraded from 18.04 to 20.04 to 21.04 to 21.10)

I installed Ubuntu back in November to learn the OS and noticed today that a major chunk of my SSD is taken over by a single syslog file.

/var/log/syslog.1 is 23 GB

/var/log/journal is 4 GB

I tried looking for solutions online and in one thread a user asked to open the syslog's tail to see what's causing the overflow of data into the file causi ...

Score: 2
guettli avatar
Upload Files in Chromium which are stored in a Cloud-Storage
in flag

I use Chromium.

When I want to upload a file, then Chromium only let me choose local files which I have on my laptop.

I would like to upload images from a cloud-storage (gdrive, dropbox, onedrive, ...).

Is there a way to enable this?

BTW: I know that I can download the file from the cloud-storage, and then upload it from my local pc. But this is .... I am missing the right words. My goal is to reduce cogn ...

Score: 1
/etc/systemd/system/anacron.service.d missing
cn flag

I'm using Lubuntu LTS 20.04.3 and I'm an unexperienced user. I'm trying to set my anacron service running on battery, since by default it only runs when on AC power. I'm running on systemd and I thoroughly read both the anacron man and /usr/share/doc/anacron/README.Debian. It is said that in order to enable anacron running on battery in a systemd environment I should create this file /etc/systemd/syste ...

Score: 3
Tjeard avatar
How to remove a specific part of the file name from a lot of files
de flag

I have an old backup from a windows pc, but most of the files have a timestamp at the end. All the files need to keep their original name, but without that timestamp.

How do I remove a specific part (2019_04_12 11_03_06 UTC) from all the files in multiple folders.

Example files:

messages (2019_04_12 11_03_06 UTC).properties
maintenancemode (2019_04_12 11_03_06 UTC).jar

As far as I know all the files have ...

Score: 1
Limit the sum of 2 processes cpu usage?
br flag

2 processes, call it A and B
A has high priority,B has low priority
I want to limit total cpu usage of these 2 processes under 80%

Sometimes A has nothing to do,cpu usage is 0%, at this time, I hope B execute and take up 80% cpu
Sometimes A is working,cpu usage is 80%, at this time, I hope B do nothing and not use cpu(or use only a little, 1%)
Sometimes A take up 30% cpu, at this time, B should ...

Score: 0
Ubuntu 20.04 wired ethernet disappeared
sd flag

I'm running Kubuntu 20.04 and my ethernet disappeared.

There was no updated and I haven't touched the settings. The disappearance happened between two proper boot ups of the system (worked - switched off properly, in the evening switched on, no ethernet at all).

ifconfig -a shows only lo and wlp0s20f3. Same for ip link show.

Running sudo lshw -c network only shows the wireless.

cat /etc/netplan/01-netw ...
Score: -1
Amar Moses avatar
cat /etc/network/interfaces No such file or directory
in flag

I just installed Ubuntu Server 20.04.3 in a VMware virtual machine. Now I am not able to use this command:

cat /etc/network/interfaces

as I am not able to see any network interfaces:

No such file or directory

How should I edit my /etc/network/interfaces and assign an IP?

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