Ubuntu: apt-get update help

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I have been trying to update apt-get on Ubuntu, but am failing in spite of having viewed a variety of different solutions to similar problems.



I am running the following command...



sudo apt-get update


I have received the following output...



Get:9 http://apt.typesafe.com unicorn InRelease [7,185 B] 
Err:9 http://apt.typesafe.com unicorn InRelease
The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322

...

W: GPG error: http://apt.typesafe.com unicorn InRelease: The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322
E: The repository 'http://apt.typesafe.com unicorn 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.


I've tried re-downloading the key, but still nothing will work. Any help would be appreciated.



EDIT: Following installation of the package, I received the same error...



smrk007@Atticus:~/Downloads$ sudo dpkg -i repo-deb-build-0002.deb 
(Reading database ... 201875 files and directories currently installed.)
Preparing to unpack repo-deb-build-0002.deb ...
Unpacking typesafe-repo (2.0-build-0003) over (2.0-build-0003) ...
Setting up typesafe-repo (2.0-build-0003) ...
Warning: The postinst maintainerscript of the package typesafe-repo
Warning: seems to use apt-key (provided by apt) without depending on gnupg or gnupg2.
Warning: This will BREAK in the future and should be fixed by the package maintainer(s).
Note: Check first if apt-key functionality is needed at all - it probably isn't!
Warning: apt-key should not be used in scripts (called from postinst maintainerscript of the package typesafe-repo)
OK
smrk007@Atticus:~/Downloads$ sudo apt-get update
Ign:1 https://dl.bintray.com/sbt/debian InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:3 https://dl.bintray.com/sbt/debian Release [815 B]
Hit:4 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease
Get:5 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Hit:7 http://ppa.launchpad.net/webupd8team/java/ubuntu bionic InRelease
Get:9 http://apt.typesafe.com unicorn InRelease [7,185 B]
Err:9 http://apt.typesafe.com unicorn InRelease
The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322


To give some more context, I was trying to install the sbt command line tool for using scala right before this error occurred.







share|improve this question





















  • You need to both download the key signature and add it ot the apt keyring. They provide a deb package that does it all for you - apt.typesafe.com/repo-deb-build-0002.deb
    – ivanivan
    Jun 7 at 1:49










  • @ivanivan I followed your advice, and am still receiving the same error... Could the key be corrupted?
    – smrk007
    Jun 7 at 2:00














up vote
0
down vote

favorite












I have been trying to update apt-get on Ubuntu, but am failing in spite of having viewed a variety of different solutions to similar problems.



I am running the following command...



sudo apt-get update


I have received the following output...



Get:9 http://apt.typesafe.com unicorn InRelease [7,185 B] 
Err:9 http://apt.typesafe.com unicorn InRelease
The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322

...

W: GPG error: http://apt.typesafe.com unicorn InRelease: The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322
E: The repository 'http://apt.typesafe.com unicorn 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.


I've tried re-downloading the key, but still nothing will work. Any help would be appreciated.



EDIT: Following installation of the package, I received the same error...



smrk007@Atticus:~/Downloads$ sudo dpkg -i repo-deb-build-0002.deb 
(Reading database ... 201875 files and directories currently installed.)
Preparing to unpack repo-deb-build-0002.deb ...
Unpacking typesafe-repo (2.0-build-0003) over (2.0-build-0003) ...
Setting up typesafe-repo (2.0-build-0003) ...
Warning: The postinst maintainerscript of the package typesafe-repo
Warning: seems to use apt-key (provided by apt) without depending on gnupg or gnupg2.
Warning: This will BREAK in the future and should be fixed by the package maintainer(s).
Note: Check first if apt-key functionality is needed at all - it probably isn't!
Warning: apt-key should not be used in scripts (called from postinst maintainerscript of the package typesafe-repo)
OK
smrk007@Atticus:~/Downloads$ sudo apt-get update
Ign:1 https://dl.bintray.com/sbt/debian InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:3 https://dl.bintray.com/sbt/debian Release [815 B]
Hit:4 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease
Get:5 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Hit:7 http://ppa.launchpad.net/webupd8team/java/ubuntu bionic InRelease
Get:9 http://apt.typesafe.com unicorn InRelease [7,185 B]
Err:9 http://apt.typesafe.com unicorn InRelease
The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322


To give some more context, I was trying to install the sbt command line tool for using scala right before this error occurred.







share|improve this question





















  • You need to both download the key signature and add it ot the apt keyring. They provide a deb package that does it all for you - apt.typesafe.com/repo-deb-build-0002.deb
    – ivanivan
    Jun 7 at 1:49










  • @ivanivan I followed your advice, and am still receiving the same error... Could the key be corrupted?
    – smrk007
    Jun 7 at 2:00












up vote
0
down vote

favorite









up vote
0
down vote

favorite











I have been trying to update apt-get on Ubuntu, but am failing in spite of having viewed a variety of different solutions to similar problems.



I am running the following command...



sudo apt-get update


I have received the following output...



Get:9 http://apt.typesafe.com unicorn InRelease [7,185 B] 
Err:9 http://apt.typesafe.com unicorn InRelease
The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322

...

W: GPG error: http://apt.typesafe.com unicorn InRelease: The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322
E: The repository 'http://apt.typesafe.com unicorn 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.


I've tried re-downloading the key, but still nothing will work. Any help would be appreciated.



EDIT: Following installation of the package, I received the same error...



smrk007@Atticus:~/Downloads$ sudo dpkg -i repo-deb-build-0002.deb 
(Reading database ... 201875 files and directories currently installed.)
Preparing to unpack repo-deb-build-0002.deb ...
Unpacking typesafe-repo (2.0-build-0003) over (2.0-build-0003) ...
Setting up typesafe-repo (2.0-build-0003) ...
Warning: The postinst maintainerscript of the package typesafe-repo
Warning: seems to use apt-key (provided by apt) without depending on gnupg or gnupg2.
Warning: This will BREAK in the future and should be fixed by the package maintainer(s).
Note: Check first if apt-key functionality is needed at all - it probably isn't!
Warning: apt-key should not be used in scripts (called from postinst maintainerscript of the package typesafe-repo)
OK
smrk007@Atticus:~/Downloads$ sudo apt-get update
Ign:1 https://dl.bintray.com/sbt/debian InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:3 https://dl.bintray.com/sbt/debian Release [815 B]
Hit:4 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease
Get:5 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Hit:7 http://ppa.launchpad.net/webupd8team/java/ubuntu bionic InRelease
Get:9 http://apt.typesafe.com unicorn InRelease [7,185 B]
Err:9 http://apt.typesafe.com unicorn InRelease
The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322


To give some more context, I was trying to install the sbt command line tool for using scala right before this error occurred.







share|improve this question













I have been trying to update apt-get on Ubuntu, but am failing in spite of having viewed a variety of different solutions to similar problems.



I am running the following command...



sudo apt-get update


I have received the following output...



Get:9 http://apt.typesafe.com unicorn InRelease [7,185 B] 
Err:9 http://apt.typesafe.com unicorn InRelease
The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322

...

W: GPG error: http://apt.typesafe.com unicorn InRelease: The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322
E: The repository 'http://apt.typesafe.com unicorn 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.


I've tried re-downloading the key, but still nothing will work. Any help would be appreciated.



EDIT: Following installation of the package, I received the same error...



smrk007@Atticus:~/Downloads$ sudo dpkg -i repo-deb-build-0002.deb 
(Reading database ... 201875 files and directories currently installed.)
Preparing to unpack repo-deb-build-0002.deb ...
Unpacking typesafe-repo (2.0-build-0003) over (2.0-build-0003) ...
Setting up typesafe-repo (2.0-build-0003) ...
Warning: The postinst maintainerscript of the package typesafe-repo
Warning: seems to use apt-key (provided by apt) without depending on gnupg or gnupg2.
Warning: This will BREAK in the future and should be fixed by the package maintainer(s).
Note: Check first if apt-key functionality is needed at all - it probably isn't!
Warning: apt-key should not be used in scripts (called from postinst maintainerscript of the package typesafe-repo)
OK
smrk007@Atticus:~/Downloads$ sudo apt-get update
Ign:1 https://dl.bintray.com/sbt/debian InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:3 https://dl.bintray.com/sbt/debian Release [815 B]
Hit:4 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease
Get:5 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Hit:7 http://ppa.launchpad.net/webupd8team/java/ubuntu bionic InRelease
Get:9 http://apt.typesafe.com unicorn InRelease [7,185 B]
Err:9 http://apt.typesafe.com unicorn InRelease
The following signatures were invalid: D2E3915347209000FA1C06D47CF8D72BE29DF322


To give some more context, I was trying to install the sbt command line tool for using scala right before this error occurred.









share|improve this question












share|improve this question




share|improve this question








edited Jun 7 at 1:59
























asked Jun 7 at 1:43









smrk007

11




11











  • You need to both download the key signature and add it ot the apt keyring. They provide a deb package that does it all for you - apt.typesafe.com/repo-deb-build-0002.deb
    – ivanivan
    Jun 7 at 1:49










  • @ivanivan I followed your advice, and am still receiving the same error... Could the key be corrupted?
    – smrk007
    Jun 7 at 2:00
















  • You need to both download the key signature and add it ot the apt keyring. They provide a deb package that does it all for you - apt.typesafe.com/repo-deb-build-0002.deb
    – ivanivan
    Jun 7 at 1:49










  • @ivanivan I followed your advice, and am still receiving the same error... Could the key be corrupted?
    – smrk007
    Jun 7 at 2:00















You need to both download the key signature and add it ot the apt keyring. They provide a deb package that does it all for you - apt.typesafe.com/repo-deb-build-0002.deb
– ivanivan
Jun 7 at 1:49




You need to both download the key signature and add it ot the apt keyring. They provide a deb package that does it all for you - apt.typesafe.com/repo-deb-build-0002.deb
– ivanivan
Jun 7 at 1:49












@ivanivan I followed your advice, and am still receiving the same error... Could the key be corrupted?
– smrk007
Jun 7 at 2:00




@ivanivan I followed your advice, and am still receiving the same error... Could the key be corrupted?
– smrk007
Jun 7 at 2:00










1 Answer
1






active

oldest

votes

















up vote
-2
down vote













Try this:



sudo rm -rf /var/lib/apt/lists


Basically remove all the lists folders from the apt directory.

Add list directory with below command:



sudo mkdir /var/lib/apt/lists


Then try the below command:



sudo apt-get update





share|improve this answer



















  • 2




    This also deletes the gpg certificates. You do not want to do that. This will not improve the OP situation, quite by the contrary.
    – Rui F Ribeiro
    Jul 8 at 12:47











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
-2
down vote













Try this:



sudo rm -rf /var/lib/apt/lists


Basically remove all the lists folders from the apt directory.

Add list directory with below command:



sudo mkdir /var/lib/apt/lists


Then try the below command:



sudo apt-get update





share|improve this answer



















  • 2




    This also deletes the gpg certificates. You do not want to do that. This will not improve the OP situation, quite by the contrary.
    – Rui F Ribeiro
    Jul 8 at 12:47















up vote
-2
down vote













Try this:



sudo rm -rf /var/lib/apt/lists


Basically remove all the lists folders from the apt directory.

Add list directory with below command:



sudo mkdir /var/lib/apt/lists


Then try the below command:



sudo apt-get update





share|improve this answer



















  • 2




    This also deletes the gpg certificates. You do not want to do that. This will not improve the OP situation, quite by the contrary.
    – Rui F Ribeiro
    Jul 8 at 12:47













up vote
-2
down vote










up vote
-2
down vote









Try this:



sudo rm -rf /var/lib/apt/lists


Basically remove all the lists folders from the apt directory.

Add list directory with below command:



sudo mkdir /var/lib/apt/lists


Then try the below command:



sudo apt-get update





share|improve this answer















Try this:



sudo rm -rf /var/lib/apt/lists


Basically remove all the lists folders from the apt directory.

Add list directory with below command:



sudo mkdir /var/lib/apt/lists


Then try the below command:



sudo apt-get update






share|improve this answer















share|improve this answer



share|improve this answer








edited Jul 8 at 12:36









Thomas

3,38741023




3,38741023











answered Jul 8 at 12:13









Mrunal

1




1







  • 2




    This also deletes the gpg certificates. You do not want to do that. This will not improve the OP situation, quite by the contrary.
    – Rui F Ribeiro
    Jul 8 at 12:47













  • 2




    This also deletes the gpg certificates. You do not want to do that. This will not improve the OP situation, quite by the contrary.
    – Rui F Ribeiro
    Jul 8 at 12:47








2




2




This also deletes the gpg certificates. You do not want to do that. This will not improve the OP situation, quite by the contrary.
– Rui F Ribeiro
Jul 8 at 12:47





This also deletes the gpg certificates. You do not want to do that. This will not improve the OP situation, quite by the contrary.
– Rui F Ribeiro
Jul 8 at 12:47













 

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