Linux Mint menedżer aktualizacji - błędy aktualizacji

Witam. Mam zainstalowanego Linux Mint 17.1 “Rebecca” - Cinnamon (64-bit). Menedżer aktualizacji pokazuje  błędy oraz na jego ikonie jest czerwony x .Czym to może być spowodowane oraz jak rozwiązać ten problem ,aby system aktualizował się bez problemu ?

http://zapodaj.net/fc1b6d707876f.png.html

terminal

sudo apt-get update
[sudo] password for klaps: 
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Pobrano 3169 kB w 15s (206 kB/s)                                               
W: Błąd GPG: http://ppa.launchpad.net trusty Release: Następujące podpisy nie mogły zostać zweryfikowane z powodu braku klucza publicznego: NO_PUBKEY 2B3F92F902D65EFF
W: Nie udało się pobrać http://ppa.launchpad.net/xsisqox/ppa/ubuntu/dists/trusty/main/source/Sources 404 Not Found

W: Nie udało się pobrać http://ppa.launchpad.net/xsisqox/ppa/ubuntu/dists/trusty/main/binary-amd64/Packages 404 Not Found

W: Nie udało się pobrać http://ppa.launchpad.net/xsisqox/ppa/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found

E: Nie udało się pobrać niektórych plików indeksu, zostały one zignorowane lub użyto ich starszej wersji.

Pozdr.

Odnośnie braku klucza publicznego zajrzyj tutaj:

http://www.debian.pl/content/135-Klucze-GPG-do-repozytorium-komunikat-NO_PUBKEY

Jeśli chodzi o niedziałające repozytorium - podaj wynik polecenia:

ls -la /etc/apt/sources.list.d

 

Wynik polecenia

ls -la /etc/apt/sources.list.d

Klepnij w terminalu:

sudo rm -f /etc/apt/sources.list.d/xsisqox-ppa-trusty.list

Potem pełna aktualizacja systemu - zawsze w ten sam sposób - co kilka dni:

sudo apt-get update && sudo apt-get dist-upgrade

 

Klucz dodany, repozytorium też ruszyło. Dziękuję bardzo za pomoc.

Pozdr.

Komenda “rm” służy do usuwania plików. Repozytorium nie ruszyło, tylko usunąłeś tą komendą repozytorium, które nie działało - zostało usunięte (404 not found).

Ok. Dzięki jeszcze raz.Na razie wszystko chodzi dobrze.

Pozdr.