Hello,
Tel quelles tes infos sont illisibles et il manque les commandes!
Tu dois te mettre à la place de celui qui souhaite t'aider: Lui balancer du code mélangé sans les commandes et sans mise en page montre un manque de respect (désolé, ça m'emmerde autant que toi de faire la morale).
Voici comment tu aurais du poster:
apt-cache policy libc6
Code : Tout sélectionner
libc6:
  Installé : 2.24-11+deb9u2
  Candidat : 2.24-11+deb9u1
 Table de version :
     2.25-4 2
          2 http://ftp.us.debian.org/debian sid/main amd64 Packages
 *** 2.24-11+deb9u2 500
        500 http://deb.debian.org/debian stretch-proposed-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     2.24-11+deb9u1 1000
       1000 http://deb.debian.org/debian stretch/main amd64 Packages
       1000 http://security.debian.org stretch/updates/main amd64 Packages
 
cat /etc/apt/preferences
Code : Tout sélectionner
Package: *
Pin: release a=stable
Pin-Priority: 1000
Package: *
Pin: release a=unstable
Pin-Priority: 2
Package: firefox
Pin: release a=unstable
Pin-Priority: 1001
Package: libfontconfig1
Pin: release a=unstable
Pin-Priority: 1001
Package: fontconfig-config
Pin: release a=unstable
Pin-Priority: 1001
Package: libnss3
Pin: release a=unstable
Pin-Priority: 1001
 
apt-cache policy
Code : Tout sélectionner
Fichiers du paquet :
 100 /var/lib/dpkg/status
     release a=now
 500 http://linux.teamviewer.com/deb preview/main amd64 Packages
     release o=TeamViewer GmbH,a=preview,l=TeamViewer,c=main,b=amd64
     origin linux.teamviewer.com
1000 http://linux.teamviewer.com/deb stable/main amd64 Packages
     release o=TeamViewer GmbH,a=stable,l=TeamViewer,c=main,b=amd64
     origin linux.teamviewer.com
1000 http://dl.google.com/linux/chrome/deb stable/main amd64 Packages
     release v=1.0,o=Google, Inc.,a=stable,n=stable,l=Google,c=main,b=amd64
     origin dl.google.com
   2 http://ftp.us.debian.org/debian sid/main amd64 Packages
     release o=Debian,a=unstable,n=sid,l=Debian,c=main,b=amd64
     origin ftp.us.debian.org
 500 http://deb.debian.org/debian stretch-proposed-updates/main amd64 Packages
     release o=Debian,a=proposed-updates,n=stretch-proposed-updates,l=Debian,c=main,b=amd64
     origin deb.debian.org
1000 http://security.debian.org stretch/updates/non-free amd64 Packages
     release v=9,o=Debian,a=stable,n=stretch,l=Debian-Security,c=non-free,b=amd64
     origin security.debian.org
1000 http://security.debian.org stretch/updates/contrib amd64 Packages
     release v=9,o=Debian,a=stable,n=stretch,l=Debian-Security,c=contrib,b=amd64
     origin security.debian.org
1000 http://security.debian.org stretch/updates/main amd64 Packages
     release v=9,o=Debian,a=stable,n=stretch,l=Debian-Security,c=main,b=amd64
     origin security.debian.org
 500 http://deb.debian.org/debian stretch-updates/main amd64 Packages
     release o=Debian,a=stable-updates,n=stretch-updates,l=Debian,c=main,b=amd64
     origin deb.debian.org
1000 http://deb.debian.org/debian stretch/non-free amd64 Packages
     release v=9.3,o=Debian,a=stable,n=stretch,l=Debian,c=non-free,b=amd64
     origin deb.debian.org
1000 http://deb.debian.org/debian stretch/contrib amd64 Packages
     release v=9.3,o=Debian,a=stable,n=stretch,l=Debian,c=contrib,b=amd64
     origin deb.debian.org
1000 http://deb.debian.org/debian stretch/main amd64 Packages
     release v=9.3,o=Debian,a=stable,n=stretch,l=Debian,c=main,b=amd64
     origin deb.debian.org
Paquets épinglés :
     fontconfig-config -> 2.12.6-0.1 with priority 1001
     libfontconfig1 -> 2.12.6-0.1 with priority 1001
     libnss3 -> 2:3.34-1 with priority 1001
     firefox -> 57.0.1-1 with priority 1001
 
cat /etc/apt/sources.list
Code : Tout sélectionner
deb [arch=amd64] http://deb.debian.org/debian/ stretch main contrib non-free
deb [arch=amd64] http://deb.debian.org/debian/ stretch-updates main contrib non-free
deb [arch=amd64] http://security.debian.org/ stretch/updates main contrib non-free
deb [arch=amd64] http://deb.debian.org/debian/ stretch-proposed-updates main contrib non-free
deb http://ftp.us.debian.org/debian/ sid main
deb-src http://ftp.us.debian.org/debian/ sid main
google-chrome.list  teamviewer.list
 
Si certaines commande ne renvoient rien (genre ls /etc/apt/preferences.d) précise le.