All Questions
344
questions
0
votes
1
answer
363
views
Grub failed to install to /dev/md0 on Ubuntu 18 to 20 upgrade
I ran do-release-upgrade on an Ubuntu 18.04 LTS server. It looked like the upgrade to 20.04 LTS was successful, but then at what I'm assuming is the end of the upgrade, I am presented with this ...
- 101
0
votes
1
answer
255
views
Error upgrading from 18.04LTS to 20.04LTS
While upgrading through "Software Updater", it faced with an error:
Could not install the package:
/tmp/apt-dpkg-install-JCuWPV/07-apparmor_2.13.3-7ubuntu5.2_amd64.deb package may not be in ...
- 211
0
votes
0
answers
73
views
Ubuntu upgrade from 18.04 to 20.04 got stuck at crash signatures.k shut down ,how to resolve?
I have dual boot of windows 7 with Ubuntu 18.04 LTS and was upgrading from Ubuntu 18.04 LTS to 20.04 LTS ,it got interrupted in between after that It shows that not all update will be there and gave ...
- 237
0
votes
0
answers
54
views
How cpu core frequencies, percentage cpu and memory utilization, processing load and temperature affect app performance?
I am trying to benchmark two machines for my app.
Two machines differ mainly in their peripheral connections and have same processor, memory and secondary storage.
I did four different types of runs:
...
- 141
1
vote
0
answers
1k
views
Checking for a new Ubuntu release There is no development version of an LTS available
We are upgrading OS version from 18.04 to 20.04 LTS .When we try to run do-release-upgrade -c , we are getting the following error :
Checking for a new Ubuntu release There is no development version ...
- 11
1
vote
1
answer
65
views
After upgrading from 18.04 LTS to 20.4 LTS: no applications or other files known
It was more than time to upgrade, I still was running 18.04 on my principal workstation. Performed do-release-upgrade with not a single issue, am now at 20.04 LTS and of course the next step will be ...
- 11
1
vote
1
answer
633
views
Can't upgrade Ubuntu 18.04 to 20.04
I'm having no luck upgrading my Ubuntu 18.04 to 20.04. At every attempt, the upgrade process is interrupted with this message:
What do I do?
*
sudo apt update
[sudo] password for jakub:
Hit:1 http://...
- 87
0
votes
0
answers
114
views
Kernel panic from GNU GRUB after updating from 18.04.6 to 20.04.6 even from 3 recovery mode options
Updated from ubuntu 18.04 to 20.04. Got the following error:
A problem occurred during the update. This is usually some sort of network problem, please check your network connection and retry. E:...
1
vote
1
answer
179
views
Has the handling of the /etc/issue file changed from 18.04 to 20.04
I have bionic systems that display the lines in /etc/issue on login and re-display if I press ENTER.
But, on my focal systems I only get the /etc/issue contents once, it does not display when I press ...
- 133
0
votes
1
answer
1k
views
Ubuntu 20.04 not able to monitor disk usage via snmp
I've been trying to get SNMP to work for OID .1.3.6.1.4.1.2021.9 on Ubuntu 20 and 22, for reference: https://oidref.com/1.3.6.1.4.1.2021.9
When trying on Ubuntu 18 it does work. Ubuntu 18 uses SNMP ...
0
votes
0
answers
1k
views
Can't upgrade from 18.04 to 20.04
I'm trying to upgrade from 18.04.6 LTS to next LTS (20.04?). To do that, I first try to update everything about my current release (sudo do-release-upgrade seems to require that), but the sudo apt ...
- 131
0
votes
1
answer
456
views
Upgrade from 18.04 to 20.04 error "Could not calculate the upgrade"
While trying to upgrade from 18.04 to 20.04 I am getting the following message
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
If none of this ...
- 11
-2
votes
1
answer
143
views
Try to install a package without any other action
I know it is not a preferred action, but for a distupgrade from bionic to focal (and later to jammy) I have to install a package from focal to bionic first. This is because I have an additional source ...
0
votes
0
answers
38
views
Have concerns about upgrading 18.04.6 to 20.04 and effects on VMware
I am a Linux newbie (using 18.04 since 2019) and have installed VMware Player 15.5.7 with CRITICAL software (Windows 7) that I don't want to lose. In a few weeks 18.04 won't be supported. Hardware = ...
0
votes
0
answers
263
views
Upgrade 18.04 fails with failed to download repository information
I choose Select Best Server option in the software and updates -> Ubuntu Software -> Download From -> Other. When I click Close it comes back with
The information about available software is ...
- 654