Прописал в апте путь к бекпортам для Мастера 2.4: Получил: Failed to fetch ftp://ftp.altlinux.com/pub/distributions/ALTLinux/backports/2.4/i586/base/release Signature fingerprint of Release file does not match (expected BB1DD157A9722953847C5DB25B433A0EEAC91CA0, got 213520E3EDE04AA556A07FC11ADEDDF9D765EC45)