When I enter sudo apt-get update
I see these errors:
Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Ign:2 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial InRelease
Get:3 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Ign:4 http://ppa.launchpad.net/martinx/ig/ubuntu xenial InRelease
Get:5 http://archive.canonical.com/ubuntu xenial/partner Sources [2,316 B]
Hit:6 http://us.archive.ubuntu.com/ubuntu xenial InRelease
Ign:7 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial Release
Ign:8 http://ppa.launchpad.net/martinx/ig/ubuntu xenial Release
Get:9 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]
Ign:10 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:11 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:12 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:13 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_US
Ign:14 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en_US
Ign:19 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en
Ign:10 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:11 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:12 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:13 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_US
Ign:14 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main amd64 Packages
Get:20 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]
Ign:16 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en_US
Ign:19 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en
Ign:10 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:11 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:12 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:13 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_US
Ign:14 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en_US
Ign:19 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en
Ign:10 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:11 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:12 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:13 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_US
Ign:14 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en_US
Ign:19 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en
Ign:10 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
Ign:11 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:12 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:13 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_US
Ign:14 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Ign:15 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main amd64 Packages
Ign:16 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en_US
Ign:19 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en
Err:10 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main amd64 Packages
404 Not Found
Ign:11 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main i386 Packages
Ign:12 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main all Packages
Ign:13 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en_US
Ign:14 http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial/main Translation-en
Err:15 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main amd64 Packages
404 Not Found
Ign:16 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main i386 Packages
Ign:17 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main all Packages
Ign:18 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en_US
Ign:19 http://ppa.launchpad.net/martinx/ig/ubuntu xenial/main Translation-en
Fetched 309 kB in 5s (55.2 kB/s)
Reading package lists... Done
W: The repository 'http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://ppa.launchpad.net/martinx/ig/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://ppa.launchpad.net/fossfreedom/packagefixes/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found
E: Failed to fetch http://ppa.launchpad.net/martinx/ig/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
sourses.list file content
#
#deb cdrom:[Ubuntu-Server 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719)$
# deb cdrom:[Ubuntu-Server 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719$
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.ubuntu.com/ubuntu/ xenial main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ xenial universe
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial universe
deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://us.archive.ubuntu.com/ubuntu/ xenial multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial multiverse
deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted unive$
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted$
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu xenial partner
# deb-src http://archive.canonical.com/ubuntu xenial partner
deb http://security.ubuntu.com/ubuntu xenial-security main restricted
# deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted
deb http://security.ubuntu.com/ubuntu xenial-security universe
# deb-src http://security.ubuntu.com/ubuntu xenial-security universe
deb http://security.ubuntu.com/ubuntu xenial-security multiverse
# deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
/etc/apt/sources.list
– Mar 21 '17 at 08:20sudo apt update
. – Mar 21 '17 at 08:28sudo apt update
– ASIL Mar 21 '17 at 08:35