我目前有一个debian jessie的依赖问题，由系统升级导致testing库启用。 有没有一个安全的方式回到我以前的configuration？
不知道为什么testing资源库实际configuration，因为这是由以前的服务器pipe理员。 更新也由他写的Ansible脚本执行。 当我禁用源代码时，我进入时得到一个巨大的列表：
apt-show-versions | grep“存档中没有可用的版本”
这只是一个部分：
aspell-de-1901:all 1:2-31 installed: No available version in archive coinor-libcoinmp1v5:amd64 1.7.6+dfsg1-2 installed: No available version in archive coinor-libcoinutils3v5:amd64 2.9.15-4 installed: No available version in archive coinor-libosi1v5:amd64 0.106.9-2+b1 installed: No available version in archive cpp-6:amd64 6.4.0-1 installed: No available version in archive default-java-plugin:amd64 2:1.8-59 installed: No available version in archive fonts-droid-fallback:all 1:6.0.1r16-1.1 installed: No available version in archive fonts-noto-mono:all 20161116-1 installed: No available version in archive g++-6:amd64 6.4.0-1 installed: No available version in archive galera-3:amd64 25.3.20-1 installed: No available version in archive gcc-6:amd64 6.4.0-1 installed: No available version in archive gcc-6-base:amd64 6.4.0-1 installed: No available version in archive gcc-7-base:amd64 7.1.0-9 installed: No available version in archive gcj-6-jre-lib:all 6.4.0-1 installed: No available version in archive gnupg-l10n:all 2.1.18-8 installed: No available version in archive gnupg2:all 2.1.18-8 installed: No available version in archive gtk-update-icon-cache:amd64 3.22.16-1 installed: No available version in archive icedtea-8-plugin:amd64 1.6.2-3.1 installed: No available version in archive initramfs-tools-core:all 0.130 installed: No available version in archive laptop-detect:all 0.15 installed: No available version in archive libapt-inst2.0:amd64 1.5~beta1 installed: No available version in archive libapt-pkg5.0:amd64 1.5~beta1 installed: No available version in archive libarchive-cpio-perl:all 0.10-1 installed: No available version in archive libasan3:amd64 6.4.0-1 installed: No available version in archive libasprintf0v5:amd64 0.19.8.1-2+b1 installed: No available version in archive 任何帮助表示赞赏，
谢谢
编辑：
/etc/apt/sources.list中：
# deb http://ftp.de.debian.org/debian/ jessie main deb http://ftp.de.debian.org/debian/ jessie main deb-src http://ftp.de.debian.org/debian/ jessie main deb http://security.debian.org/ jessie/updates main deb-src http://security.debian.org/ jessie/updates main # jessie-updates, previously known as 'volatile' deb http://ftp.de.debian.org/debian/ jessie-updates main deb-src http://ftp.de.debian.org/debian/ jessie-updates main
“tail /etc/apt/sources.list.d/*”的输出：
==> /etc/apt/sources.list.d/ansible.list <== deb http://ppa.launchpad.net/ansible/ansible/ubuntu trusty main ==> /etc/apt/sources.list.d/backports.list <== deb http://ftp.debian.org/debian jessie-backports main ==> /etc/apt/sources.list.d/bloonix.list <== deb https://download.bloonix.de/repos/debian/ jessie main ==> /etc/apt/sources.list.d/dotdeb.list <== deb http://packages.dotdeb.org jessie all ==> /etc/apt/sources.list.d/draios.list <== #deb http://download.draios.com/stable/deb stable-$(ARCH)/ ==> /etc/apt/sources.list.d/elasticsearch-2.x.list <== deb http://packages.elastic.co/elasticsearch/2.x/debian stable main ==> /etc/apt/sources.list.d/git-lfs.list <== deb https://packagecloud.io/github/git-lfs/debian/ jessie main ==> /etc/apt/sources.list.d/testing.list <== deb http://ftp.debian.org/debian testing main non-free contrib