Latest Ubuntu related questions

Score: 0
grafeno30 avatar
Keyboard Logi k600
ng flag

I have a keyboard Logi k600. I use Solaar app but it does not find my keyboard. I use a wireless USB which it has the keyboard. It does not work neither by wireless USB nor by Bluetooth.

I use Xubuntu:

NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.3 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
B ...
Score: 0
Stas Arshanski avatar
gksudo is not taking full focus - python, glade
in flag

Ubuntu 18.04.6 LTS. I got this script in python, and its uses Glade as a gui.

Here is the main file: https://github.com/stuk88/UbuntuClearMemoryCache/blob/master/main.py

So. The code at fault here is:

runAsRoot("gksudo sysctl vm.drop_caches=1")

And I dont know why dksudu is not taking focus. Switching windows with alt+` is not working either.

Score: 0
HP elitebook 840 G3 no sound
ng flag

there is no sound coming from my laptop speakers after I updated my apps. My speakers are recognized, I tried almost all the solutions out there, but to no avail. I tried upgrading 18.04 to 21.04, and then I wiped everything clean and installed 21.10.

Please help :(

P.S. sound is working through my bluetooth phones, and in Sound settings sound level can be seen moving when something is playing in th ...

Score: 2
Admia avatar
Port Forwarding with iptables is not working
vn flag

I have two servers:

server 1 with IP address 10.8.0.1

server 2 with IP address 10.8.0.6

I want server 2 work as a proxy for a website that is hosted on server 1. So I use the following commands:

sudo iptables -t nat -A PREROUTING  -p tcp --dport 443 -j DNAT --to-destination 10.8.0.1:443

sudo iptables -t nat -A POSTROUTING -p tcp -d 10.8.0.1 --dport 443 -j SNAT --to-source 10.8.0.6

However, the above ...

Score: 0
user3447014 avatar
Enable Ubuntu's "Screen sharing" features on startup?
es flag

This question was asked 9 years ago, but I'm wondering now if anything has changed since. Basically, trying to get VNC working with third-party apps (e.g. tightvncserver) has turned into an unnecessarily long task and confusion with configuration files, etc. However, the built in screen sharing feature for Ubuntu works absolutely flawlessly and doesn't require changing a single configuration file, ...

Score: 0
user3447014 avatar
Grey screen when connecting to TightVNCServer on Ubuntu 21.10
es flag

Followed this guide and performed everything step by step. However, I'm only able to see this:

enter image description here

Here's my ~/.vnc/xstartup file in my user account:

#!/bin/sh

xrdb $HOME/.Xresources
xsetroot -solid grey
#x-terminal-emulator -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
x-window-manager &
vncconfig -iconic &


# Fix to make GNOME work
export XKL_XMODMAP_DISABLE=1
/etc/X11/Xsession

s ...
Score: 0
Mahdi Jafari avatar
can't start apache and access phpmyadmin on ubuntu 21.04
ve flag

I have an issue with the apache webserver and PHPMyAdmin in ubuntu.

when I open Xampp and try to start apache it doesn't start but MySQL starts. I check error logs but there was nothing just an empty file. here are some images: enter image description here

and I check the config file and it was like this:

enter image description here

when I run Laravel projects it works fine like everything is ok. but the main problem is that I can't PHPMyAdmin here is ...

Score: 1
Why do I have 2 Viber appicons on my tray
id flag

If I restart extension Ubuntu Appindicators, then only one icon stays.

enter image description here

Ubuntu is 21.10 and Viber is 16.1.0.37

If I grep Viber in processes, situation is same, before and after restarting appindicators extension...

root@mypc:/home/user# ps -afx | grep Vib
  13244 ?        SLl    0:01  |   \_ /opt/viber/Viber
  13264 ?        S      0:00  |       \_ /opt/viber/libexec/QtWebEngineProcess --type=zygote --n ...
Score: 0
Sergi avatar
USB devices disappeared raspberry pi 4 ubuntu 18.04
jp flag

I'm using ubuntu 18.04 and ROS melodic on a raspberry pi 4 model B.

Everything was working fine since last week, when I did some apt upgrades. lsusb and lspci show nothing at all.

I'm adding dmesg output:

dmesg | grep usb
[    0.085818] usbcore: registered new interface driver usbfs
[    0.085873] usbcore: registered new interface driver hub
[    0.085981] usbcore: registered new device driver usb
[    2 ...
Score: 2
MilkyDeveloper avatar
What does it mean to "modify" Ubuntu?
ru flag

Under the Ubuntu IPRights, it says that

You can redistribute Ubuntu, but only where there has been no modification to it.

What does a modification mean? In my case, it is just taking the server rootfs, changing a few config files, and installing firmware packages.

In my specific case, my script must extract the rootfs, chroot into it, and install packages (etc). This is cumbersome for my users, w ...

Score: 0
CreeperPower storing avatar
./bash: No such file or directory
tr flag

I am trying to connect to my SSH server with a customized sshd_config file. But when I try to connect, it gives the following error:

./bash: No such file or directory

And I copied bash to their directory including /bin, /lib64 and /lib.

These are the lines I added to sshd_config:

Match User cooluser
ChrootDirectory /home/cooluser

The /home/cooluser directory also exists.

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