Get:1 http://archive.canonical.com/ubuntu bionic InRelease [10,2 kB]
Ign:2 http://packages.linuxmint.com tessa InRelease
Get:3 http://archive.ubuntu.com/ubuntu bionic InRelease [242 kB]
Get:4 http://security.ubuntu.com/ubuntu bionic-security InRelease [88,7 kB]
Get:5 http://archive.canonical.com/ubuntu bionic/partner i386 Packages [2.320 B]
Get:6 http://packages.linuxmint.com tessa Release [24,1 kB]
Get:7 http://archive.ubuntu.com/ubuntu bionic-updates InRelease [88,7 kB]
Get:8 http://security.ubuntu.com/ubuntu bionic-security/main i386 Packages [262 kB]
Get:9 http://archive.canonical.com/ubuntu bionic/partner amd64 Packages [2.320 B]
Get:10 http://packages.linuxmint.com tessa Release.gpg [819 B]
Ign:10 http://packages.linuxmint.com tessa Release.gpg
Get:11 http://archive.canonical.com/ubuntu bionic/partner Translation-en [1.276 B]
Get:12 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages [349 kB]
Get:13 http://archive.ubuntu.com/ubuntu bionic-backports InRelease [74,6 kB]
Get:14 http://archive.ubuntu.com/ubuntu bionic/main i386 Packages [1.007 kB]
Get:15 http://security.ubuntu.com/ubuntu bionic-security/main Translation-en [125 kB]
Get:16 http://security.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [14,9 kB]
Get:17 http://security.ubuntu.com/ubuntu bionic-security/restricted i386 Packages [4.280 B]
Get:18 http://security.ubuntu.com/ubuntu bionic-security/restricted amd64 Packages [4.296 B]
Get:19 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages [1.019 kB]
Get:20 http://security.ubuntu.com/ubuntu bionic-security/restricted Translation-en [2.192 B]
Get:21 http://security.ubuntu.com/ubuntu bionic-security/universe i386 Packages [240 kB]
Get:22 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages [245 kB]
Get:23 http://archive.ubuntu.com/ubuntu bionic/main Translation-en [516 kB]
Get:24 http://security.ubuntu.com/ubuntu bionic-security/universe Translation-en [140 kB]
Get:25 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [35,8 kB]
Get:26 http://archive.ubuntu.com/ubuntu bionic/main amd64 DEP-11 Metadata [477 kB]
Get:27 http://security.ubuntu.com/ubuntu bionic-security/multiverse i386 Packages [4.152 B]
Get:28 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 Packages [4.004 B]
Get:29 http://security.ubuntu.com/ubuntu bionic-security/multiverse Translation-en [2.060 B]
Get:30 http://archive.ubuntu.com/ubuntu bionic/restricted i386 Packages [9.156 B]
Get:31 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 DEP-11 Metadata [2.464 B]
Get:32 http://archive.ubuntu.com/ubuntu bionic/restricted amd64 Packages [9.184 B]
Get:33 http://archive.ubuntu.com/ubuntu bionic/restricted Translation-en [3.584 B]
Get:34 http://archive.ubuntu.com/ubuntu bionic/universe i386 Packages [8.531 kB]
Get:35 http://archive.ubuntu.com/ubuntu bionic/universe amd64 Packages [8.570 kB]
Get:36 http://archive.ubuntu.com/ubuntu bionic/universe Translation-en [4.941 kB]
Get:37 http://archive.ubuntu.com/ubuntu bionic/universe amd64 DEP-11 Metadata [3.287 kB]
Get:38 http://archive.ubuntu.com/ubuntu bionic/multiverse i386 Packages [144 kB]
Get:39 http://archive.ubuntu.com/ubuntu bionic/multiverse amd64 Packages [151 kB]
Get:40 http://archive.ubuntu.com/ubuntu bionic/multiverse Translation-en [108 kB]
Get:41 http://archive.ubuntu.com/ubuntu bionic/multiverse amd64 DEP-11 Metadata [49,7 kB]
Get:42 http://archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages [517 kB]
Get:43 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [617 kB]
Get:44 http://archive.ubuntu.com/ubuntu bionic-updates/main Translation-en [229 kB]
Get:45 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [276 kB]
Get:46 http://archive.ubuntu.com/ubuntu bionic-updates/restricted amd64 Packages [6.996 B]
Get:47 http://archive.ubuntu.com/ubuntu bionic-updates/restricted i386 Packages [6.960 B]
Get:48 http://archive.ubuntu.com/ubuntu bionic-updates/restricted Translation-en [3.076 B]
Get:49 http://archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages [925 kB]
Get:50 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [937 kB]
Get:51 http://archive.ubuntu.com/ubuntu bionic-updates/universe Translation-en [274 kB]
Get:52 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [227 kB]
Get:53 http://archive.ubuntu.com/ubuntu bionic-updates/multiverse i386 Packages [6.788 B]
Get:54 http://archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 Packages [6.644 B]
Get:55 http://archive.ubuntu.com/ubuntu bionic-updates/multiverse Translation-en [3.556 B]
Get:56 http://archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2.468 B]
Get:57 http://archive.ubuntu.com/ubuntu bionic-backports/main amd64 Packages [1.024 B]
Get:58 http://archive.ubuntu.com/ubuntu bionic-backports/main i386 Packages [1.024 B]
Get:59 http://archive.ubuntu.com/ubuntu bionic-backports/main Translation-en [448 B]
Get:60 http://archive.ubuntu.com/ubuntu bionic-backports/universe i386 Packages [3.496 B]
Get:61 http://archive.ubuntu.com/ubuntu bionic-backports/universe amd64 Packages [3.496 B]
Get:62 http://archive.ubuntu.com/ubuntu bionic-backports/universe Translation-en [1.604 B]
Get:63 http://archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [7.224 B]
Reading package lists... Done
W: GPG error: http://packages.linuxmint.com tessa Release: The following signatures were invalid: BADSIG A6616109451BBBF2 Linux Mint Repository Signing Key <root@linuxmint.com>
E: The repository 'http://packages.linuxmint.com tessa Release' 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.