[Bug 1642386] Re: At least one invalid signature was encountered.

Seth Arnold 1642386 at bugs.launchpad.net
Fri Nov 18 00:13:00 UTC 2016


Based on the funny git results, I re-installed the packages:

3243aa899fcf2f09b910b7429eeae6205a71c379a45c0e8e31723836bb094163  apt_1.2.12~ubuntu16.04.1_amd64.deb
5b9a82b1dc1f82fc3655038336d099410d643d5188629aba475050d7f9bd99c3  apt-transport-https_1.2.12~ubuntu16.04.1_amd64.deb
25af186c488f2b7f31dcef15776bfe4dd1a7a3c98a1d378937f07365eb9aa95a  libapt-inst2.0_1.2.12~ubuntu16.04.1_amd64.deb
b84273b8bfddea9aa5be26b2dd2e7ed449503a93c92ac5522fdfa74ae6f61c22  libapt-pkg5.0_1.2.12~ubuntu16.04.1_amd64.deb


With these packages installed, apt-get update works as I expect:

sarnold at hunt:/mnt/ubuntu/.zfs/snapshot/rsync.30/pool/main/a/apt$ sudo apt-get update
Hit:1 http://mirrors.kernel.org/ubuntu xenial InRelease
Hit:2 http://mirrors.kernel.org/ubuntu xenial-updates InRelease                                                   
Hit:3 http://mirrors.kernel.org/ubuntu xenial-security InRelease                                                  
Ign:4 http://mirrors.kernel.org/ubuntu precise InRelease                                                          
Hit:5 http://security.debian.org jessie/updates InRelease                                                         
Hit:6 http://mirrors.kernel.org/ubuntu precise-updates InRelease                                                  
Hit:7 http://mirrors.kernel.org/ubuntu precise-security InRelease                                                 
Hit:8 http://mirrors.kernel.org/ubuntu precise-proposed InRelease                                                 
Hit:9 http://security.debian.org wheezy/updates InRelease                                                         
Ign:10 http://mirrors.kernel.org/ubuntu trusty InRelease                                                          
Hit:11 http://mirrors.kernel.org/ubuntu trusty-updates InRelease                                                  
Hit:12 http://mirrors.kernel.org/ubuntu trusty-security InRelease                                                 
Hit:13 http://mirrors.kernel.org/ubuntu trusty-proposed InRelease                                                 
Hit:14 http://mirrors.kernel.org/ubuntu xenial-proposed InRelease                                                 
Hit:15 http://mirrors.kernel.org/ubuntu yakkety InRelease                                                         
Ign:16 http://archive.canonical.com/ubuntu precise InRelease                                                      
Hit:17 http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu vivid InRelease                  
Hit:18 http://security.ubuntu.com/ubuntu xenial-security InRelease                                                
Hit:19 http://mirrors.kernel.org/ubuntu yakkety-updates InRelease                                                 
Hit:20 http://ftp.debian.org/debian unstable InRelease                                                            
Hit:21 http://mirrors.kernel.org/ubuntu yakkety-security InRelease                                                
Hit:22 http://mirrors.kernel.org/ubuntu yakkety-proposed InRelease                                                
Hit:23 http://mirrors.kernel.org/ubuntu zesty InRelease                                        
Hit:24 http://mirrors.kernel.org/ubuntu zesty-updates InRelease                                
Hit:25 http://mirrors.kernel.org/ubuntu zesty-security InRelease                                                  
Hit:26 http://mirrors.kernel.org/ubuntu zesty-proposed InRelease                                                  
Ign:27 http://archive.canonical.com/ubuntu trusty InRelease                                    
Hit:28 http://ppa.launchpad.net/snappy-dev/image/ubuntu vivid InRelease                                           
Hit:29 http://mirrors.kernel.org/ubuntu precise Release                                                           
Hit:30 http://ftp.debian.org/debian testing InRelease                                          
Hit:31 http://mirrors.kernel.org/ubuntu trusty Release                                         
Hit:32 http://archive.canonical.com/ubuntu xenial InRelease                                    
Hit:33 http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu xenial InRelease
Ign:34 http://ftp.debian.org/debian jessie InRelease                     
Hit:35 http://archive.canonical.com/ubuntu yakkety InRelease              
Hit:36 http://ftp.debian.org/debian jessie-updates InRelease              
Hit:37 http://archive.canonical.com/ubuntu zesty InRelease                
Ign:38 http://ftp.debian.org/debian wheezy InRelease                     
Hit:39 http://archive.canonical.com/ubuntu precise Release                
Hit:40 http://ftp.debian.org/debian wheezy-updates InRelease              
Hit:41 http://archive.canonical.com/ubuntu trusty Release                 
Hit:42 http://ftp.debian.org/debian jessie Release                       
Hit:43 http://ftp.debian.org/debian wheezy Release  
Reading package lists... Done                      
W: http://mirrors.kernel.org/ubuntu/dists/precise-updates/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: http://mirrors.kernel.org/ubuntu/dists/precise-security/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: http://mirrors.kernel.org/ubuntu/dists/precise-proposed/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: http://mirrors.kernel.org/ubuntu/dists/precise/Release.gpg: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: http://archive.canonical.com/ubuntu/dists/precise/Release.gpg: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)


All the *InRelease* files looked fine:

sarnold at hunt:/var/lib/apt/lists$ for f in *InRelease* ; do apt-key  verify $f ; done
gpgv: Signature made Wed 09 Nov 2016 05:30:58 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Wed 09 Nov 2016 05:30:58 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Wed 09 Nov 2016 05:30:58 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Wed 09 Nov 2016 05:30:58 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Wed 16 Nov 2016 09:39:23 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 12:38:16 PM PST using RSA key ID 46925553
gpgv: Good signature from "Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 12:38:16 PM PST using RSA key ID 2B90D010
gpgv: Good signature from "Debian Archive Automatic Signing Key (8/jessie) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 12:39:39 PM PST using RSA key ID 46925553
gpgv: Good signature from "Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 12:39:39 PM PST using RSA key ID 2B90D010
gpgv: Good signature from "Debian Archive Automatic Signing Key (8/jessie) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 12:40:14 PM PST using RSA key ID 46925553
gpgv: Good signature from "Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 12:40:14 PM PST using RSA key ID 2B90D010
gpgv: Good signature from "Debian Archive Automatic Signing Key (8/jessie) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 12:38:14 PM PST using RSA key ID 46925553
gpgv: Good signature from "Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 12:38:14 PM PST using RSA key ID 2B90D010
gpgv: Good signature from "Debian Archive Automatic Signing Key (8/jessie) <ftpmaster at debian.org>"
gpgv: Signature made Sun 13 Nov 2016 01:14:06 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 11:47:14 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 12:21:53 PM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 01:25:35 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 01:25:35 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 11:47:14 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 11:47:14 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 12:21:53 PM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 12:21:53 PM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 21 Apr 2016 04:25:09 PM PDT using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 21 Apr 2016 04:25:09 PM PDT using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 03:33:29 PM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 03:33:29 PM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 01:25:35 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 01:25:35 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 10:35:05 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 10:35:05 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 13 Oct 2016 06:29:09 AM PDT using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 13 Oct 2016 06:29:09 AM PDT using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 02:58:32 PM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 02:58:32 PM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 01:25:35 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 01:25:35 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 11:53:31 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 11:53:31 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 01:57:37 PM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 03:33:29 PM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Fri 21 Oct 2016 07:24:27 AM PDT using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Fri 21 Oct 2016 07:24:27 AM PDT using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Fri 21 Oct 2016 07:24:27 AM PDT using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Fri 21 Oct 2016 07:24:27 AM PDT using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 12:36:15 PM PST using RSA key ID ECF1204C
gpgv: Good signature from "Launchpad PPA for CI Train PPA Service Team"
gpgv: Signature made Thu 17 Nov 2016 12:36:14 PM PST using RSA key ID ECF1204C
gpgv: Good signature from "Launchpad PPA for CI Train PPA Service Team"
gpgv: Signature made Fri 20 May 2016 04:39:04 AM PDT using RSA key ID FC42E99D
gpgv: Good signature from "Launchpad PPA for Snappy Developers"
gpgv: Signature made Thu 17 Nov 2016 01:40:55 PM PST using RSA key ID C857C906
gpgv: Good signature from "Debian Security Archive Automatic Signing Key (8/jessie) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 01:40:55 PM PST using RSA key ID 46925553
gpgv: Good signature from "Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 01:40:55 PM PST using RSA key ID C857C906
gpgv: Good signature from "Debian Security Archive Automatic Signing Key (8/jessie) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 01:40:55 PM PST using RSA key ID 46925553
gpgv: Good signature from "Debian Archive Automatic Signing Key (7.0/wheezy) <ftpmaster at debian.org>"
gpgv: Signature made Thu 17 Nov 2016 01:25:35 AM PST using DSA key ID 437D05B5
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key <ftpmaster at ubuntu.com>"
gpgv: Signature made Thu 17 Nov 2016 01:25:35 AM PST using RSA key ID C0B21F32
gpgv: Good signature from "Ubuntu Archive Automatic Signing Key (2012) <ftpmaster at ubuntu.com>"

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https://bugs.launchpad.net/bugs/1642386

Title:
  At least one invalid signature was encountered.

Status in apt package in Ubuntu:
  New

Bug description:
  Hello, a recent apt update appears to have broken apt entirely.

  A coworker reported seeing troubles: http://paste.ubuntu.com/23487135/

  To test, I upgraded my laptop then immediately re-ran apt-get update
  && apt-get -u dist-upgrade:

  sarnold at hunt:~/Downloads$ sudo apt-get update && sudo apt-get -u dist-upgrade
  Hit:1 http://mirrors.kernel.org/ubuntu xenial InRelease
  Hit:2 http://mirrors.kernel.org/ubuntu xenial-updates InRelease                                                   
  Hit:3 http://mirrors.kernel.org/ubuntu xenial-security InRelease                                                  
  Ign:4 http://mirrors.kernel.org/ubuntu precise InRelease                                                          
  Get:5 http://mirrors.kernel.org/ubuntu precise-updates InRelease [55.7 kB]                                        
  Get:6 http://mirrors.kernel.org/ubuntu precise-security InRelease [55.7 kB]                                       
  Get:7 http://mirrors.kernel.org/ubuntu precise-proposed InRelease [55.7 kB]                                       
  Ign:8 http://mirrors.kernel.org/ubuntu trusty InRelease                                                           
  Get:9 http://mirrors.kernel.org/ubuntu trusty-updates InRelease [65.9 kB]                                         
  Hit:10 http://mirrors.kernel.org/ubuntu trusty-security InRelease                                                 
  Get:11 http://mirrors.kernel.org/ubuntu trusty-proposed InRelease [65.9 kB]                                       
  Get:12 http://mirrors.kernel.org/ubuntu xenial-proposed InRelease [247 kB]                                        
  Err:1 http://mirrors.kernel.org/ubuntu xenial InRelease                                                           
    At least one invalid signature was encountered.
  Hit:13 http://security.debian.org jessie/updates InRelease                                                        
  Err:2 http://mirrors.kernel.org/ubuntu xenial-updates InRelease                                                   
    At least one invalid signature was encountered.
  Get:14 http://mirrors.kernel.org/ubuntu yakkety InRelease [247 kB]                                                
  Err:3 http://mirrors.kernel.org/ubuntu xenial-security InRelease                                                  
    At least one invalid signature was encountered.
  Hit:15 http://mirrors.kernel.org/ubuntu yakkety-updates InRelease                                                 
  Get:16 http://mirrors.kernel.org/ubuntu yakkety-security InRelease [93.3 kB]                                      
  Hit:17 http://security.debian.org wheezy/updates InRelease                                                        
  Get:18 http://mirrors.kernel.org/ubuntu yakkety-proposed InRelease [95.7 kB]                                      
  Hit:19 http://mirrors.kernel.org/ubuntu zesty InRelease                                                           
  Hit:20 http://mirrors.kernel.org/ubuntu zesty-updates InRelease                                                   
  Hit:21 http://mirrors.kernel.org/ubuntu zesty-security InRelease                                                  
  Err:5 http://mirrors.kernel.org/ubuntu precise-updates InRelease                                                  
    At least one invalid signature was encountered.
  Hit:22 http://mirrors.kernel.org/ubuntu zesty-proposed InRelease                                                  
  Hit:23 http://mirrors.kernel.org/ubuntu precise Release                                                           
  Hit:24 http://mirrors.kernel.org/ubuntu trusty Release                                                            
  Ign:25 http://archive.canonical.com/ubuntu precise InRelease                                                      
  Hit:26 http://security.ubuntu.com/ubuntu xenial-security InRelease                                                
  Hit:27 http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu vivid InRelease
  Hit:28 http://ftp.debian.org/debian unstable InRelease                                         
  Err:6 http://mirrors.kernel.org/ubuntu precise-security InRelease        
    At least one invalid signature was encountered.
  Err:7 http://mirrors.kernel.org/ubuntu precise-proposed InRelease                              
    At least one invalid signature was encountered.
  Err:9 http://mirrors.kernel.org/ubuntu trusty-updates InRelease                                
    At least one invalid signature was encountered.
  Ign:29 http://archive.canonical.com/ubuntu trusty InRelease                                     
  Hit:30 http://ppa.launchpad.net/snappy-dev/image/ubuntu vivid InRelease                         
  Hit:31 http://ftp.debian.org/debian testing InRelease                     
  Err:10 http://mirrors.kernel.org/ubuntu trusty-security InRelease         
    At least one invalid signature was encountered.
  Err:11 http://mirrors.kernel.org/ubuntu trusty-proposed InRelease                               
    At least one invalid signature was encountered.
  Err:13 http://security.debian.org jessie/updates InRelease                                      
    At least one invalid signature was encountered.
  Hit:32 http://archive.canonical.com/ubuntu xenial InRelease                                     
  Hit:33 http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu xenial InRelease
  Ign:34 http://ftp.debian.org/debian jessie InRelease                     
  Err:12 http://mirrors.kernel.org/ubuntu xenial-proposed InRelease        
    At least one invalid signature was encountered.
  Err:14 http://mirrors.kernel.org/ubuntu yakkety InRelease                
    At least one invalid signature was encountered.
  Hit:35 http://archive.canonical.com/ubuntu yakkety InRelease              
  Err:15 http://mirrors.kernel.org/ubuntu yakkety-updates InRelease         
    At least one invalid signature was encountered.
  Hit:36 http://ftp.debian.org/debian jessie-updates InRelease              
  Err:16 http://mirrors.kernel.org/ubuntu yakkety-security InRelease        
    At least one invalid signature was encountered.
  Err:17 http://security.debian.org wheezy/updates InRelease                
    At least one invalid signature was encountered.
  Hit:37 http://archive.canonical.com/ubuntu zesty InRelease                
  Err:18 http://mirrors.kernel.org/ubuntu yakkety-proposed InRelease        
    At least one invalid signature was encountered.
  Ign:38 http://ftp.debian.org/debian wheezy InRelease                     
  Err:19 http://mirrors.kernel.org/ubuntu zesty InRelease                  
    At least one invalid signature was encountered.
  Err:20 http://mirrors.kernel.org/ubuntu zesty-updates InRelease           
    At least one invalid signature was encountered.
  Hit:39 http://archive.canonical.com/ubuntu precise Release                
  Err:21 http://mirrors.kernel.org/ubuntu zesty-security InRelease          
    At least one invalid signature was encountered.
  Hit:40 http://ftp.debian.org/debian wheezy-updates InRelease              
  Err:22 http://mirrors.kernel.org/ubuntu zesty-proposed InRelease          
    At least one invalid signature was encountered.
  Err:41 http://mirrors.kernel.org/ubuntu precise Release.gpg               
    At least one invalid signature was encountered.
  Hit:42 http://archive.canonical.com/ubuntu trusty Release                
  Err:43 http://mirrors.kernel.org/ubuntu trusty Release.gpg               
    At least one invalid signature was encountered.
  Hit:44 http://ftp.debian.org/debian jessie Release  
  Err:26 http://security.ubuntu.com/ubuntu xenial-security InRelease
    At least one invalid signature was encountered.
  Err:27 http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu vivid InRelease
    At least one invalid signature was encountered.
  Err:28 http://ftp.debian.org/debian unstable InRelease
    At least one invalid signature was encountered.
  Hit:45 http://ftp.debian.org/debian wheezy Release  
  Err:30 http://ppa.launchpad.net/snappy-dev/image/ubuntu vivid InRelease
    At least one invalid signature was encountered.
  Err:31 http://ftp.debian.org/debian testing InRelease
    At least one invalid signature was encountered.
  Err:32 http://archive.canonical.com/ubuntu xenial InRelease
    At least one invalid signature was encountered.
  Err:33 http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu xenial InRelease
    At least one invalid signature was encountered.
  Err:35 http://archive.canonical.com/ubuntu yakkety InRelease
    At least one invalid signature was encountered.
  Err:36 http://ftp.debian.org/debian jessie-updates InRelease
    At least one invalid signature was encountered.
  Err:37 http://archive.canonical.com/ubuntu zesty InRelease
    At least one invalid signature was encountered.
  Err:46 http://archive.canonical.com/ubuntu precise Release.gpg
    At least one invalid signature was encountered.
  Err:40 http://ftp.debian.org/debian wheezy-updates InRelease
    At least one invalid signature was encountered.
  Err:47 http://archive.canonical.com/ubuntu trusty Release.gpg
    At least one invalid signature was encountered.
  Err:48 http://ftp.debian.org/debian jessie Release.gpg
    At least one invalid signature was encountered.
  Err:49 http://ftp.debian.org/debian wheezy Release.gpg
    At least one invalid signature was encountered.
  Fetched 981 kB in 1s (496 kB/s)
  Reading package lists... Done
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu xenial InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu xenial-updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu xenial-security InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu precise-updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu precise-security InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu precise-proposed InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu trusty-updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu trusty-security InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu trusty-proposed InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://security.debian.org jessie/updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu xenial-proposed InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu yakkety InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu yakkety-updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu yakkety-security InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://security.debian.org wheezy/updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu yakkety-proposed InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu zesty InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu zesty-updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu zesty-security InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu zesty-proposed InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu precise Release: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.kernel.org/ubuntu trusty Release: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://security.ubuntu.com/ubuntu xenial-security InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu vivid InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ftp.debian.org/debian unstable InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ppa.launchpad.net/snappy-dev/image/ubuntu vivid InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ftp.debian.org/debian testing InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive.canonical.com/ubuntu xenial InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu xenial InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive.canonical.com/ubuntu yakkety InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ftp.debian.org/debian jessie-updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive.canonical.com/ubuntu zesty InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive.canonical.com/ubuntu precise Release: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ftp.debian.org/debian wheezy-updates InRelease: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive.canonical.com/ubuntu trusty Release: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ftp.debian.org/debian jessie Release: At least one invalid signature was encountered.
  W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://ftp.debian.org/debian wheezy Release: At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/xenial/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/xenial-updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/xenial-security/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/xenial-security/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu/dists/vivid/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://ppa.launchpad.net/snappy-dev/image/ubuntu/dists/vivid/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu/dists/xenial/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/precise-updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/precise-security/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/precise-proposed/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/trusty-updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/trusty-security/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/trusty-proposed/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/xenial-proposed/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://archive.canonical.com/ubuntu/dists/xenial/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/yakkety/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/yakkety-updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/yakkety-security/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/yakkety-proposed/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://archive.canonical.com/ubuntu/dists/yakkety/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/zesty/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/zesty-updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/zesty-security/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/zesty-proposed/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://archive.canonical.com/ubuntu/dists/zesty/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://ftp.debian.org/debian/dists/unstable/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://ftp.debian.org/debian/dists/testing/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://ftp.debian.org/debian/dists/jessie-updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://security.debian.org/dists/jessie/updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://ftp.debian.org/debian/dists/wheezy-updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://security.debian.org/dists/wheezy/updates/InRelease  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/precise/Release.gpg  At least one invalid signature was encountered.
  W: Failed to fetch http://mirrors.kernel.org/ubuntu/dists/trusty/Release.gpg  At least one invalid signature was encountered.
  W: Failed to fetch http://archive.canonical.com/ubuntu/dists/precise/Release.gpg  At least one invalid signature was encountered.
  W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/Release.gpg  At least one invalid signature was encountered.
  W: Failed to fetch http://ftp.debian.org/debian/dists/jessie/Release.gpg  At least one invalid signature was encountered.
  W: Failed to fetch http://ftp.debian.org/debian/dists/wheezy/Release.gpg  At least one invalid signature was encountered.
  W: Some index files failed to download. They have been ignored, or old ones used instead.
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Calculating upgrade... Done
  The following packages were automatically installed and are no longer required:
    linux-headers-4.4.0-21 linux-headers-4.4.0-21-generic linux-headers-4.4.0-22 linux-headers-4.4.0-22-generic
    linux-headers-4.4.0-24 linux-headers-4.4.0-24-generic linux-headers-4.4.0-28 linux-headers-4.4.0-28-generic
    linux-headers-4.4.0-31 linux-headers-4.4.0-31-generic linux-headers-4.4.0-34 linux-headers-4.4.0-34-generic
    linux-headers-4.4.0-36 linux-headers-4.4.0-36-generic linux-headers-4.4.0-38 linux-headers-4.4.0-38-generic
    linux-image-4.4.0-21-generic linux-image-4.4.0-22-generic linux-image-4.4.0-24-generic
    linux-image-4.4.0-28-generic linux-image-4.4.0-31-generic linux-image-4.4.0-34-generic
    linux-image-4.4.0-36-generic linux-image-4.4.0-38-generic
  Use 'sudo apt autoremove' to remove them.
  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.


  I'll attach the full terminal log soon.

  Thanks

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: apt 1.2.15
  ProcVersionSignature: Ubuntu 4.4.0-45.66-generic 4.4.21
  Uname: Linux 4.4.0-45-generic x86_64
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Nov 16 12:29:54 2016
  InstallationDate: Installed on 2012-10-18 (1490 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  SourcePackage: apt
  UpgradeStatus: Upgraded to xenial on 2016-04-30 (200 days ago)

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