Upgrade Debian 8 to 9
Motivation
Thu Jun 20 10:21:39 MDT 2019 Firefox on Release 8.11 jessie does not allow uBlock Origin (my preferred)
Mon May 20 11:51:10 MDT 2019 lsb_release -a ... Distributor ID: Debian Description: Debian GNU/Linux 8.11 (jessie) Release: 8.11 Codename: jessie
Debian 9 ("stretch") — current stable release Debian 8 ("jessie") — obsolete stable release
Web search
debian.org/releases Chapter 4. Upgrades from Debian 8 (jessie)
rootusers.com How to Upgrade Debian 8 Jessie to Debian 9 Stretch
starred
linuxconfig.org How to upgrade Debian 8 Jessie to Debian 9 Stretch
starred
phoenixnap.com How to Upgrade Debian 8 Jessie to Debian Linux 9 Stretch
linuxhint.com Upgrade Debian 8 to 9
Log
Thu Jun 27 16:56:07 MDT 2019
sudo apt update
: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://qgis.org jessie InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY CAEB3DC3BDF7FB45 W: Failed to fetch http://ftp.us.debian.org/debian/dists/jessie-updates/InRelease Unable to find expected entry 'main/source/Sources' in Release file (Wrong sources.list entry or malformed file) W: Failed to fetch http://qgis.org/debian/dists/jessie/InRelease W: Failed to fetch http://ftp.us.debian.org/debian/dists/jessie-backports/main/source/Sources 404 Not Found [IP: 64.50.236.52 80] W: Failed to fetch http://ftp.us.debian.org/debian/dists/jessie-backports/contrib/source/Sources 404 Not Found [IP: 64.50.236.52 80] W: Failed to fetch http://ftp.us.debian.org/debian/dists/jessie-backports/non-free/source/Sources 404 Not Found [IP: 64.50.236.52 80] W: Failed to fetch http://ftp.us.debian.org/debian/dists/jessie-backports/main/binary-amd64/Packages 404 Not Found [IP: 64.50.236.52 80] W: Failed to fetch http://ftp.us.debian.org/debian/dists/jessie-backports/contrib/binary-amd64/Packages 404 Not Found [IP: 64.50.236.52 80] W: Failed to fetch http://ftp.us.debian.org/debian/dists/jessie-backports/non-free/binary-amd64/Packages 404 Not Found [IP: 64.50.236.52 80] W: Failed to fetch http://ppa.launchpad.net/bookworm-team/bookworm/ubuntu/dists/jessie/main/binary-amd64/Packages 404 Not Found W: Failed to fetch http://packages.x2go.org/debian/dists/wheezy/main/source/Sources 404 Not Found [IP: 148.251.201.107 80] W: Failed to fetch http://packages.x2go.org/debian/dists/wheezy/main/binary-amd64/Packages 404 Not Found [IP: 148.251.201.107 80] W: Failed to fetch http://build.i3wm.org/debian/sid/dists/sid/main/binary-amd64/Packages HttpError404 W: Some index files failed to download. They have been ignored, or old ones used instead.
https://superuser.com/questions/1417617/apt-get-update-is-failing-in-debian
Sources.list now:
deb http://deb.debian.org/debian jessie main deb http://security.debian.org/debian-security jessie/updates main
Thu Jun 27 17:12:12 MDT 2019
sudo apt upgrade
lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 9.9 (stretch) Release: 9.9 Codename: stretch
Update Firefox
With snapcraft?