No entiendo por qué la actualización todavía no funciona, el instalador sugiere que tiene que ver con la red, no existe tal cosa, es estable como una roca. ¿Existe alguna solución sin perder el estado actual? ¿Hay algo que pueda hacer?
Salida 1: terminal apt update:
Hit:1 http://nl.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://nl.archive.ubuntu.com/ubuntu focal-updates InRelease
Ign:3 http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu lucid InRelease
Hit:4 http://nl.archive.ubuntu.com/ubuntu focal-backports InRelease
Ign:5 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu jaunty InRelease
Get:6 https://brave-browser-apt-release.s3.brave.com stable InRelease [4.316 B]
Hit:7 https://dl.winehq.org/wine-builds/ubuntu focal InRelease
Hit:8 http://ppa.launchpad.net/dupeguru/ppa/ubuntu focal InRelease
Hit:9 http://archive.ubuntu.com/ubuntu focal InRelease
Hit:10 http://archive.canonical.com/ubuntu focal InRelease
Get:11 https://mega.nz/linux/repo/xUbuntu_20.04 ./ InRelease [2.961 B]
Ign:12 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu focal InRelease
Get:13 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Hit:14 http://ppa.launchpad.net/jcfp/nobetas/ubuntu focal InRelease
Hit:15 http://ppa.launchpad.net/jcfp/sab-addons/ubuntu focal InRelease
Ign:16 http://ppa.launchpad.net/klaus-vormweg/pan/ubuntu focal InRelease
Hit:17 http://ppa.launchpad.net/rock-core/qt4/ubuntu focal InRelease
Ign:18 http://ppa.launchpad.net/speed-dreams/ppa/ubuntu focal InRelease
Hit:19 http://ppa.launchpad.net/ubuntuhandbook1/apps/ubuntu focal InRelease
Err:6 https://brave-browser-apt-release.s3.brave.com stable InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C
Hit:20 http://cz.archive.ubuntu.com/ubuntu bionic InRelease
Hit:21 http://ppa.launchpad.net/ubuntustudio-ppa/backports/ubuntu focal InRelease
Get:22 http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu lucid Release [14,0 kB]
Get:23 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu jaunty Release [74,7 kB]
Err:24 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu focal Release
404 Not Found [IP: 2620:2d:4000:1::3e 80]
Err:25 http://ppa.launchpad.net/klaus-vormweg/pan/ubuntu focal Release
404 Not Found [IP: 2620:2d:4000:1::3e 80]
Err:26 http://ppa.launchpad.net/speed-dreams/ppa/ubuntu focal Release
404 Not Found [IP: 2620:2d:4000:1::3e 80]
Get:27 http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu lucid Release.gpg [316 B]
Get:28 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu jaunty Release.gpg [316 B]
Ign:27 http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu lucid Release.gpg
Ign:28 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu jaunty Release.gpg
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: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C
E: The repository 'http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu focal 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/klaus-vormweg/pan/ubuntu focal 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/speed-dreams/ppa/ubuntu focal 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.
W: GPG error: http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu lucid Release: The following signatures were invalid: E4DFEC907DEDA4B8A670E8042836CB0A8AC93F7A
E: The repository 'http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu lucid 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.
W: GPG error: http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu jaunty Release: The following signatures were invalid: 06D1ED00EB802A66640696C8D0AFF96872D340A3
E: The repository 'http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu jaunty 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.
Salida 2: terminalrob@rob-asus-I5-ubuntu:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following package was automatically installed and is no longer required:
libfwupdplugin1
Use 'sudo apt autoremove' to remove it.
The following packages will be upgraded:
bolt curl libcurl3-gnutls libcurl4 tzdata ubuntu-advantage-tools
6 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
3 standard security updates
Need to get 1.206 kB of archives.
After this operation, 2.641 kB disk space will be freed.
Do you want to continue? [Y/n] y
Get:1 http://nl.archive.ubuntu.com/ubuntu focal-updates/main amd64 tzdata all 2022c-0ubuntu0.20.04.0 [288 kB]
Get:2 http://nl.archive.ubuntu.com/ubuntu focal-updates/main amd64 ubuntu-advantage-tools amd64 27.10.1~20.04.1 [146 kB]
Get:3 http://nl.archive.ubuntu.com/ubuntu focal-updates/main amd64 bolt amd64 0.9.1-2~ubuntu20.04.1 [143 kB]
Get:4 http://nl.archive.ubuntu.com/ubuntu focal-updates/main amd64 curl amd64 7.68.0-1ubuntu2.13 [161 kB]
Get:5 http://nl.archive.ubuntu.com/ubuntu focal-updates/main amd64 libcurl4 amd64 7.68.0-1ubuntu2.13 [235 kB]
Get:6 http://nl.archive.ubuntu.com/ubuntu focal-updates/main amd64 libcurl3-gnutls amd64 7.68.0-1ubuntu2.13 [233 kB]
Fetched 1.206 kB in 0s (2.708 kB/s)
Preconfiguring packages ...
(Reading database ... 410684 files and directories currently installed.)
Preparing to unpack .../0-tzdata_2022c-0ubuntu0.20.04.0_all.deb ...
Unpacking tzdata (2022c-0ubuntu0.20.04.0) over (2022a-0ubuntu0.20.04) ...
Preparing to unpack .../1-ubuntu-advantage-tools_27.10.1~20.04.1_amd64.deb ...
Unpacking ubuntu-advantage-tools (27.10.1~20.04.1) over (27.9~20.04.1) ...
Preparing to unpack .../2-bolt_0.9.1-2~ubuntu20.04.1_amd64.deb ...
Unpacking bolt (0.9.1-2~ubuntu20.04.1) over (0.8-4ubuntu1) ...
Preparing to unpack .../3-curl_7.68.0-1ubuntu2.13_amd64.deb ...
Unpacking curl (7.68.0-1ubuntu2.13) over (7.68.0-1ubuntu2.12) ...
Preparing to unpack .../4-libcurl4_7.68.0-1ubuntu2.13_amd64.deb ...
Unpacking libcurl4:amd64 (7.68.0-1ubuntu2.13) over (7.68.0-1ubuntu2.12) ...
Preparing to unpack .../5-libcurl3-gnutls_7.68.0-1ubuntu2.13_amd64.deb ...
Unpacking libcurl3-gnutls:amd64 (7.68.0-1ubuntu2.13) over (7.68.0-1ubuntu2.12) ...
Setting up libcurl3-gnutls:amd64 (7.68.0-1ubuntu2.13) ...
Setting up tzdata (2022c-0ubuntu0.20.04.0) ...
Current default time zone: 'Europe/Amsterdam'
Local time is now: vr 2 sep 2022 12:56:51 CEST.
Universal Time is now: Fri Sep 2 10:56:51 UTC 2022.
Run 'dpkg-reconfigure tzdata' if you wish to change it.
Setting up libcurl4:amd64 (7.68.0-1ubuntu2.13) ...
Setting up curl (7.68.0-1ubuntu2.13) ...
Setting up ubuntu-advantage-tools (27.10.1~20.04.1) ...
Setting up bolt (0.9.1-2~ubuntu20.04.1) ...
bolt.service is a disabled or a static unit not running, not starting it.
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for dbus (1.12.16-2ubuntu2.2) ...
Processing triggers for libc-bin (2.31-0ubuntu9.9) ...