Latest Ubuntu related questions

Score: 1
smartes avatar
Run application from /opt directory
ru flag

I have installed an application to /opt (Ubuntu 21) and it works as should. However, dock doesnt find the application and there is no icon on dash board when i run it from terminal. What I shall add to some $PATH?

Score: 0
Rudransh Kulkarni avatar
Secondary display doesn't work when I change my GPU drivers from noveau to proprietary driver
jp flag

While gaming in Ubuntu, using wine and lutris my games were pretty choppy. I changed to the better, more recent, proprietary drivers from the noveau one and now my second display(HDMI) is showing no output.

Score: 0
jby avatar
How to install extra packages when using preseed with 20.04?
cn flag
jby

Copy of this question since I'm not allowed to comment on it.

And, just like in the copied question, I'm trying this on 20.04.

How to install extra packages, and I as well would like to install openssh-server (and some more) but neither

d-i pkgsel/include string openssh-server

nor

d-i preseed/late_command string in-target apt-install openssh-server

nor

ubiquity ubiquity/success_command string in-target ap ...

Score: 0
I am very new to linux i need help with "How do i get greaphics drivers installed for Mesa Intel® HD Graphics 620 (KBL GT2)"
co flag

enter image description here

I am very new to linux i need help with "How do i get greaphics drivers installed for Mesa Intel® HD Graphics 620 (KBL GT2)"

Score: 1
The Angry Economist avatar
transferred ubuntu server HDD to another machine- now ubuntu doesn't see the network card
in flag

So I have absolutely no idea how command line operating systems work, my knowledge is very basic. By way of background, I'm running an ubuntu server on a machine which hosts a game server running on Steam

The machine has been giving me trouble, and the game server crashes frequently, I've been told its most likely a memory problem but it would be difficult to debug.

Because I have no idea how to ins ...

Score: 0
user3261738 avatar
Old Quantuum Snap NFS Server Denies Permission to touch a new file
tv flag

I connected a PC client (running Ubuntu 20.04 updated with nfs-common) by ethernet thru a switch to an old Snap Server that is configured to allow anyone access to the share known as drive1. I have no problem mounting this share on the client. I can "ls" any directory on the server. I can even remove files or directories. But when I try to create a new file with "touch" or try to create a new directory  ...

Score: 0
Can I utilize multiple swap files in linux on different devices for enhanced throughput?
cc flag

I would like to use two swap files, if possible: one on the SSD and one on an USB pendrive. I hope this way I can get an enhanced, two combined channel throughput.

Score: 0
engr_john avatar
Not able to run Petalinux in Ubuntu 20.04
gb flag

I am not able to launch Petalinux. The installation is done successfully. There is bash issue. How to fix it ?

INFO: Installing PetaLinux...
*********************************************
WARNING: You haven't specified the installation location.
*********************************************
*********************************************
WARNING: By default, it will be installed in your working direct ...
Score: 1
Francesco avatar
Same file type, different icon. How to reset it
us flag

I have a folder with Python source code. All files are being opened with double click with Text Editor, also the "problematic" one. All files have .py extension.

The "problematic" file has a green Qt icon and I didn't find a way to remove it. Reset and set default application (that now is Text Editor) didn't help.

Ubuntu 20.04

enter image description here

$ file -i MyHTMLParser.py 
MyHTMLParser.py: text/x-python; charset=us-ascii
 ...
Score: 0
Fabian avatar
Upgrade 18.04 to 20
cn flag

I'm trying to upgrade from 18.04 to 20.04. do-release-upgrade terminates with this error message: https://pastebin.com/PzZf408W

I did a lot of research, also found this old thread, but it doesn't solve my problem. I already disabled all third party repos. I couldn't find anything in the main.log and I'm not sure what to look for in the apt.log. The first half of the packages seem to go no problem, th ...

Score: 3
Bilal avatar
How to replace a string in multiple files in multiple folders with different hierarchy in linux command line
il flag

I have many files with the extension *.launch distributed in different folders inside the parent directory, the hierarchy is not always the same for the .launch file. i.e: src/folder/sth.launch and src/folder2/../../another.launch, so this solution doesn't work here!

How can I replace a string xarco.py with another string xarcoin all these*launch files in different folders and levels using Linux  ...

Score: 1
Cero Cero avatar
Can't install deb file, Gdebi claims there is other software management tools running
in flag

I tried to install a deb package with Gdebi, Ubuntu software was running at the time, but it didn't show any warning and started installing, then it got stuck without any progress and eventually I had to shut down the PC, so I killed the process mid installation.

After that, when I try to install the package again the following comes out:

Only one software management tool is allowed to run at the ...

Score: 0
user278965 avatar
iptables with NTP
ro flag

I am using iptables to filter the traffic and also chronyd to synchronize the system time. However, I am not getting it to work, somehow chronyd cannot access the NTP server.

Here are my iptables rules:

# iptables -S
-P INPUT DROP
-P FORWARD DROP
-P OUTPUT DROP
-A INPUT -i eth0 -p udp -m udp --dport 123 -j ACCEPT
-A OUTPUT -o eth0 -p udp -m udp --sport 123 -j ACCEPT

And here is me trying to sync ...

Score: 0
USB Soundcard not detected completly
in flag

I just bought a DJ Controller with an onboard soundcard. When I check the system for soundcards via

cat /proc/asound/cards

I get the following result:

0 [Generic ]: HDA-Intel - HD-Audio Generic HD-Audio Generic at 0xfe7c8000 irq 65 1 [MKII ]: USB-Audio - Party Mix MKII Numark Party Mix MKII at usb-0000:03:00.3-2, high speed 2 [Generic_1 ]: HDA-Intel - HD-Audio Generic HD-Audio Gen ...

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