Package 'browser-plugin-freshplayer-pepperflash' has no installation candidate
 

Package 'browser-plugin-freshplayer-pepperflash' has no installation candidate

 
I have tried this site instruction for installing the adobe flash browser plugin for my Ubuntu 20 as you can see here:

Code:

[email protected]:~$ sudo add-apt-repository "deb http://archive.canonical.com/ $(lsb_release -sc) partner"

Repository: 'deb http://archive.canonical.com/ groovy partner'
Description:
Archive for codename: groovy components: partner
More info: http://archive.canonical.com/
Adding repository.
Press [ENTER] to continue or Ctrl-c to cancel.Found existing deb entry in /etc/apt/sources.list
Updating existing entry instead of using /etc/apt/sources.list.d/archive_uri-http_archive_canonical_com_-groovy.list
Found existing deb-src entry in /etc/apt/sources.list
Adding disabled deb-src entry to /etc/apt/sources.list
Get:1 http://mirror.rasanegar.com/ubuntu/archive groovy InRelease [267 kB]
Hit:2 http://mirror.rasanegar.com/ubuntu/archive groovy-updates InRelease     
Hit:3 http://mirror.rasanegar.com/ubuntu/archive groovy-backports InRelease   
Hit:4 http://mirror.rasanegar.com/ubuntu/archive groovy-security InRelease   
Get:5 http://mirror.rasanegar.com/ubuntu/archive groovy/main i386 Packages [713 kB]
Get:6 http://mirror.rasanegar.com/ubuntu/archive groovy/main amd64 Packages [965 kB]
Get:7 http://mirror.rasanegar.com/ubuntu/archive groovy/main Translation-en [506 kB]
Get:8 http://mirror.rasanegar.com/ubuntu/archive groovy/main amd64 DEP-11 Metadata [472 kB]
Get:9 http://mirror.rasanegar.com/ubuntu/archive groovy/main DEP-11 48x48 Icons [106 kB]
Get:10 http://mirror.rasanegar.com/ubuntu/archive groovy/main DEP-11 64x64 Icons [169 kB]
Get:11 http://mirror.rasanegar.com/ubuntu/archive groovy/main DEP-11 [email protected] Icons [15.8 kB]
Get:12 http://mirror.rasanegar.com/ubuntu/archive groovy/universe amd64 Packages [8,838 kB]
Get:13 http://archive.canonical.com groovy InRelease [11.4 kB]               
Hit:14 http://dl.google.com/linux/chrome/deb stable InRelease                 
Get:15 http://archive.canonical.com groovy/partner amd64 Packages [1,296 B]   
Get:16 http://archive.canonical.com groovy/partner Translation-en [540 B]     
Ign:17 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu groovy InRelease       
Ign:18 http://ppa.launchpad.net/fixnix/netspeed/ubuntu groovy InRelease       
Hit:19 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu groovy InRelease 
Ign:20 http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu groovy InRelease
Hit:21 https://repo.skype.com/deb stable InRelease                           
Ign:22 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu groovy InRelease 
Ign:23 http://ppa.launchpad.net/uget-team/ppa/ubuntu groovy InRelease         
Ign:24 http://ppa.launchpad.net/upubuntu-com/sdk/ubuntu groovy InRelease     
Err:25 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu groovy Release
  404  Not Found [IP: 91.189.95.83 80]
Err:26 http://ppa.launchpad.net/fixnix/netspeed/ubuntu groovy Release
  404  Not Found [IP: 91.189.95.83 80]
Err:27 http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu groovy Release
  404  Not Found [IP: 91.189.95.83 80]
Err:28 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu groovy Release
  404  Not Found [IP: 91.189.95.83 80]
Err:29 http://ppa.launchpad.net/uget-team/ppa/ubuntu groovy Release 
  404  Not Found [IP: 91.189.95.83 80]
Err:30 http://ppa.launchpad.net/upubuntu-com/sdk/ubuntu groovy Release       
  404  Not Found [IP: 91.189.95.83 80]
Get:31 http://mirror.rasanegar.com/ubuntu/archive groovy/universe i386 Packages [4,705 kB]
Get:32 http://mirror.rasanegar.com/ubuntu/archive groovy/universe Translation-en [5,260 kB]
Err:33 http://ftp.osuosl.org/pub/mariadb/repo/10.0/ubuntu precise InRelease   
  Temporary failure resolving ‘ftp.osuosl.org’
Get:34 http://mirror.rasanegar.com/ubuntu/archive groovy/universe amd64 DEP-11 Metadata [3,702 kB]
Get:35 http://mirror.rasanegar.com/ubuntu/archive groovy/universe DEP-11 48x48 Icons [3,136 kB]
Get:36 http://mirror.rasanegar.com/ubuntu/archive groovy/universe DEP-11 64x64 Icons [7,865 kB]
Get:37 http://mirror.rasanegar.com/ubuntu/archive groovy/universe DEP-11 [email protected] Icons [43.3 kB]
Get:38 http://mirror.rasanegar.com/ubuntu/archive groovy/universe amd64 c-n-f Metadata [271 kB]
Get:39 http://mirror.rasanegar.com/ubuntu/archive groovy/multiverse amd64 DEP-11 Metadata [44.4 kB]
Get:40 http://mirror.rasanegar.com/ubuntu/archive groovy/multiverse DEP-11 48x48 Icons [28.3 kB]
Get:41 http://mirror.rasanegar.com/ubuntu/archive groovy/multiverse DEP-11 64x64 Icons [170 kB]
Get:42 http://mirror.rasanegar.com/ubuntu/archive groovy/multiverse DEP-11 [email protected] Icons [214 B]
Reading package lists... Done                                                 
E: The repository 'http://ppa.launchpad.net/deadsnakes/ppa/ubuntu groovy 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://ppa.launchpad.net/fixnix/netspeed/ubuntu groovy 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://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu groovy 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://ppa.launchpad.net/nilarimogard/webupd8/ubuntu groovy 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://ppa.launchpad.net/uget-team/ppa/ubuntu groovy 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://ppa.launchpad.net/upubuntu-com/sdk/ubuntu groovy 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.

[email protected]:~$ sudo apt-get update
0% [Working]
Hit:1 http://dl.google.com/linux/chrome/deb stable InRelease               
Get:2 http://ftp.osuosl.org/pub/mariadb/repo/10.0/ubuntu precise InRelease [2,489 B]
Err:2 http://ftp.osuosl.org/pub/mariadb/repo/10.0/ubuntu precise InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY CBCB082A1BB943DB
Ign:3 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu groovy InRelease 
Ign:4 http://ppa.launchpad.net/fixnix/netspeed/ubuntu groovy InRelease       
Hit:5 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu groovy InRelease   
Ign:6 http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu groovy InRelease
Ign:7 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu groovy InRelease   
Ign:8 http://ppa.launchpad.net/uget-team/ppa/ubuntu groovy InRelease         
Ign:9 http://ppa.launchpad.net/upubuntu-com/sdk/ubuntu groovy InRelease       
Err:10 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu groovy Release         
  404  Not Found [IP: 91.189.95.83 80]
Err:11 http://ppa.launchpad.net/fixnix/netspeed/ubuntu groovy Release         
  404  Not Found [IP: 91.189.95.83 80]
Err:12 http://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu groovy Release
  404  Not Found [IP: 91.189.95.83 80]
Err:13 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu groovy Release   
  404  Not Found [IP: 91.189.95.83 80]
Err:14 http://ppa.launchpad.net/uget-team/ppa/ubuntu groovy Release           
  404  Not Found [IP: 91.189.95.83 80]
Err:15 http://ppa.launchpad.net/upubuntu-com/sdk/ubuntu groovy Release       
  404  Not Found [IP: 91.189.95.83 80]
Hit:16 http://mirror.rasanegar.com/ubuntu/archive groovy InRelease           
Hit:17 http://mirror.rasanegar.com/ubuntu/archive groovy-updates InRelease   
Hit:18 http://mirror.rasanegar.com/ubuntu/archive groovy-backports InRelease 
Hit:19 http://mirror.rasanegar.com/ubuntu/archive groovy-security InRelease   
Hit:20 http://archive.canonical.com groovy InRelease                 
Err:21 https://repo.skype.com/deb stable InRelease   
  Temporary failure resolving ‘repo.skype.com’
Reading package lists... Done   
W: GPG error: http://ftp.osuosl.org/pub/mariadb/repo/10.0/ubuntu precise InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY CBCB082A1BB943DB
E: The repository 'http://ftp.osuosl.org/pub/mariadb/repo/10.0/ubuntu precise InRelease' is not signed.
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://ppa.launchpad.net/deadsnakes/ppa/ubuntu groovy 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://ppa.launchpad.net/fixnix/netspeed/ubuntu groovy 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://ppa.launchpad.net/kirillshkrogalev/ffmpeg-next/ubuntu groovy 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://ppa.launchpad.net/nilarimogard/webupd8/ubuntu groovy 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://ppa.launchpad.net/uget-team/ppa/ubuntu groovy 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://ppa.launchpad.net/upubuntu-com/sdk/ubuntu groovy 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.
[email protected]:~$


and get this error:

Code:


[email protected]:~$ sudo apt install adobe-flashplugin browser-plugin-freshplayer-pepperflash
Reading package lists... Done
Building dependency tree     
Reading state information... Done
Package browser-plugin-freshplayer-pepperflash is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'browser-plugin-freshplayer-pepperflash' has no installation candidate
[email protected]:~$ ^C


My OS Version is:

Code:

[email protected]:~$ lsb_release -a
No LSB modules are available.
Distributor ID:        Ubuntu
Description:        Ubuntu Groovy Gorilla (development branch)
Release:        20.10
Codename:        groovy


Thanks for your attention.

 

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