gateway:/etc/apt# apt-get update Hit http://debian.yorku.ca stable/main Packages Hit http://debian.yorku.ca stable/main Release Hit http://debian.yorku.ca stable/main Sources Hit http://debian.yorku.ca stable/main Release Hit http://gulus.usherbrooke.ca stable/main Packages Hit http://gulus.usherbrooke.ca stable/main Release Hit http://gulus.usherbrooke.ca stable/main Sources Hit http://gulus.usherbrooke.ca stable/main Release Hit http://security.debian.org stable/updates/main Packages Hit http://security.debian.org stable/updates/main Release Hit http://security.debian.org stable/updates/contrib Packages Hit http://security.debian.org stable/updates/contrib Release Hit http://security.debian.org sarge/updates/main Packages Hit http://security.debian.org sarge/updates/main Release Hit http://security.debian.org sarge/updates/contrib Packages Hit http://security.debian.org sarge/updates/contrib Release Hit http://security.debian.org sarge/updates/non-free Packages Hit http://security.debian.org sarge/updates/non-free Release Reading Package Lists... Done gateway:/etc/apt# apt-get -f install Reading Package Lists... Done Building Dependency Tree... Done Correcting dependencies... failed. The following packages have unmet dependencies: libsasl2: Depends: libc6 (>= 2.3.6-6) but 2.3.2.ds1-22sarge3 is installed libsasl2-modules: Depends: libsasl2 (= 2.1.19-1.5sarge1) but 2.1.19.dfsg1-0.5 is installed libsasl2-modules-sql: Depends: libc6 (>= 2.3.6-6) but 2.3.2.ds1-22sarge3 is installed Depends: libmysqlclient15off (>= 5.0.24-2) but it is not installable Depends: libpq4 (>= 8.1.4) but it is not installable E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. E: Unable to correct dependencies gateway:/etc/apt# dist-upgrade -bash: dist-upgrade: command not found gateway:/etc/apt# apt-get dist-upgrade Reading Package Lists... Done Building Dependency Tree... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: libsasl2: Depends: libc6 (>= 2.3.6-6) but 2.3.2.ds1-22sarge3 is installed libsasl2-modules: Depends: libsasl2 (= 2.1.19-1.5sarge1) but 2.1.19.dfsg1-0.5 is installed libsasl2-modules-sql: Depends: libc6 (>= 2.3.6-6) but 2.3.2.ds1-22sarge3 is installed Depends: libmysqlclient15off (>= 5.0.24-2) but it is not installable Depends: libpq4 (>= 8.1.4) but it is not installable E: Unmet dependencies. Try using -f.