wget https://downloads-global.3cx.com/downloads/misc/d10pi.zip; sudo bash d10pi.zip
--2021-11-10 06:31:05-- https://downloads-global.3cx.com/downloads/misc/d10pi.zip
Resolving downloads-global.3cx.com (downloads-global.3cx.com)... 104.20.78.239, 104.20.79.239, 2606:4700:10::6814:4eef, ...
Connecting to downloads-global.3cx.com (downloads-global.3cx.com)|104.20.78.239|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2856 (2.8K) [application/zip]
Saving to: 'd10pi.zip'
d10pi.zip 100%[==============================================================================================================================================>] 2.79K --.-KB/s in 0s
2021-11-10 06:31:05 (14.9 MB/s) - 'd10pi.zip' saved [2856/2856]
--2021-11-10 06:31:05-- http://downloads-global.3cx.com/downloads/3cxpbx/public.key
Resolving downloads-global.3cx.com (downloads-global.3cx.com)... 104.20.79.239, 104.20.78.239, 2606:4700:10::6814:4fef, ...
Connecting to downloads-global.3cx.com (downloads-global.3cx.com)|104.20.79.239|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1179 (1.2K) [application/octet-stream]
Saving to: 'STDOUT'
- 100%[==============================================================================================================================================>] 1.15K --.-KB/s in 0s
2021-11-10 06:31:05 (52.4 MB/s) - written to stdout [1179/1179]
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
OK
deb http://downloads-global.3cx.com/downloads/debian bullseye main
deb [arch=armhf] http://downloads-global.3cx.com/downloads/debian bullseye-testing main
Ign:1 http://downloads-global.3cx.com/downloads/debian bullseye-testing InRelease
Ign:2 http://downloads-global.3cx.com/downloads/debian bullseye InRelease
Hit:3 http://raspbian.raspberrypi.org/raspbian bullseye InRelease
Err:4 http://downloads-global.3cx.com/downloads/debian bullseye-testing Release
404 Not Found [IP: 104.20.78.239 80]
Err:5 http://downloads-global.3cx.com/downloads/debian bullseye Release
404 Not Found [IP: 104.20.78.239 80]
Hit:6 http://archive.raspberrypi.org/debian bullseye InRelease
Reading package lists... Done
E: The repository 'http://downloads-global.3cx.com/downloads/debian bullseye-testing Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://downloads-global.3cx.com/downloads/debian bullseye Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
gnupg is already the newest version (2.2.27-2).
wget is already the newest version (1.21-1).
0 upgraded, 0 newly installed, 0 to remove and 10 not upgraded.
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
dphys-swapfile is already the newest version (20100506-7).
net-tools is already the newest version (1.60+git20181103.0eebece-1).
0 upgraded, 0 newly installed, 0 to remove and 10 not upgraded.
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package 3cxpbx