执行sudo apt-get upgrade出现以下错误:
E: The value '\stable' is invalid for APT::Default-Release as such a release is not available in the sources
解决办法:
1、
# sudo grep -ri stable /etc
出现以下信息:
/etc/dhcpcd.conf:# Generate Stable Private IPv6 Addresses instead of hardware based ones
/etc/staff-group-for-usr-local:release wheezy+1 as stable, all packages that need it check that this
/etc/apparmor.d/abstractions/lightdm_chromium-browser: /opt/google/chrome-stable/google-chrome-stabl e Cx -> chromium,
/etc/apparmor.d/abstractions/lightdm_chromium-browser: /opt/google/chrome-unstable/google-chrome-uns table Cx -> chromium,
/etc/apt/apt.conf.d/10defaultRelease:APT::Default-release \"stable";
2、
找到以下类似信息
/etc/apt/apt.conf.d/10defaultRelease:APT::Default-release \"stable";
修改该文件
sudo nano /etc/apt/apt.conf.d/10defaultRelease
将stable替换为jessie
3、保存修改