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Following command fixed it.
sudo dpkg -i --force-overwrite /var/cache/apt/archives/libmarc-xml-perl_1.0.5-2_all.deb

Please see the command logs below. I am not able to upgrade the system. Please suggest.


sudo apt upgrade Reading package lists... Done
Building dependency tree... Done
Reading state...

Yet magically it worked. Thanks for your inputs

Thank you for your reply. I had ifaced this problem some years ago and the solution came back to me.
While installing Koha I had done


sudo a2dissite 000-default
Then I just reversed it with...

I installed drupal, Joomla and Wordpress on Ubuntu server 22.04. All were working fine. Then I installed Koha library usin http://kohageek.blogspot.com/2015/05/install-koha-on-ubuntu-1404.htmlg Koha...

@1fallen
I tried the ppa suggested by yoiu but it didnt help too.

I was wrong it is not php version problem that caused the problem. With the Ubuntu 22.04 php8.1 version I installed phpmyadmin and joomla 4. Both the applications work after re installing. The...

I did the following, yet no joy


sudo a2dismod php8.1
sudo a2enmod php7.4
systemctl restart apache2
Still
php -v
PHP 8.1.2 (cli) (built: Apr 7 2022 17:46:26) (NTS)

@1fallen That looks to be the problem . The different php versions.
I am looking at a way to force the php version in 22.04 to version 7.4.3 and test.

There has to be something not very big cause like may be php version upgrade causes the problem. Just the /var/www/html/index.php page also doesnt work in the browser. Surely that has to work in...

I installed LAMP applications on my Ubuntu 20.04 server, I upgraded the server to 22.04 and none of them work.
The error is internal server error 500
I can login to mysql apache2 is also running.
...

I have tried to upgrade from server version 20.04 to 22.04 but it is downloading the impish repositories. How do I upgrade from 20.04 to 22.04?

I have a wi-fi adapter which I was using for my Raspberry pi . Initially it wasnt working with the Pi , I opened a thread at Raspberry forum and the driver for it was built....

Thank you Dr. That is an invaluable information for people buying wi fi adapters.

What are some of the Ubuntu compatible wi fi USB dongles? Any idea?
What about this TP-Link USB WiFi Adapter for PC(TL-WN725N), N150 Wireless Network Adapter for Desktop - Nano Size WiFi Dongle...

The other tabs of security have got value disabled. The security tab with values is attached. IMO there is no use of this tab.

https://ubuntuforums.org/attachment.php?attachmentid=289201&stc=1

The router is Digisol dg gr-1321.
It's a Fibre optic router.

From all the various pages this is the once I found most useful I am attaching it here.

I can't see the router settings you mentioned. It looks an uphill task to make the wi fi work.

I couldn't find the router settings that you mentioned. The network configuration is ipv4, pppoe,enable Nat, enable vlan

This is a triple boot machine and wifi with Windows 10 works without any problems.

iwconfiglo no wireless extensions.


eno1 no wireless extensions.


wlo1 IEEE 802.11 ESSID:"DIGISOL"
Mode:Managed Frequency:2.462 GHz Access Point:...

Thank you Dr Sheldon,
I made the change in /etc/default/crda and made the last line as REGDOMAIN=IN .I am from India, Rebooted. But there is no joy . The wi-fi network isnt steady.
My machine is ...

I am running kernel
5.13.0-14-generic

. But the wi-fi performance is not proper. Is there are any place I can submit kernel bugs for ubuntu?

Thank you but it is a 20.04 server and there is no GUI