Раньше успешно обновлялся. А к выходу Firefox 45, перестал обновляться, и получаю ошибку.
$ sudo apt-get update
Hit http://security.debian.org jessie/updates InRelease
Hit http://security.debian.org jessie/updates/main Sources
Hit http://security.debian.org jessie/updates/main amd64 Packages
Hit http://security.debian.org jessie/updates/main Translation-en
Ign http://mozilla.debian.net jessie-backports InRelease
Get:1 http://mozilla.debian.net jessie-backports Release.gpg [819 B]
Get:2 http://mozilla.debian.net jessie-backports Release [13.7 kB]
Ign http://httpredir.debian.org jessie InRelease
Hit http://httpredir.debian.org jessie Release.gpg
Hit http://httpredir.debian.org jessie Release
Hit http://httpredir.debian.org jessie/main amd64 Packages
Hit http://httpredir.debian.org jessie/main Translation-en
Fetched 14.5 kB in 7s (2,074 B/s)
W: Failed to fetch http://mozilla.debian.net/dists/jessie-backports/Release Unable to find expected entry 'iceweasel-release/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file)
E: Some index files failed to download. They have been ignored, or old ones used instead.
--
$ cat /etc/apt/sources.list
#
# deb cdrom:[Debian GNU/Linux 8 _Jessie_ - Official Snapshot amd64 LIVE/INSTALL Binary 20150908-22:00]/ jessie main
# deb cdrom:[Debian GNU/Linux 8 _Jessie_ - Official Snapshot amd64 LIVE/INSTALL Binary 20150908-22:00]/ jessie main
# Line commented out by installer because it failed to verify:
deb http://security.debian.org/ jessie/updates main
# Line commented out by installer because it failed to verify:
deb-src http://security.debian.org/ jessie/updates main
deb http://httpredir.debian.org/debian jessie main
deb http://mozilla.debian.net/ jessie-backports iceweasel-release