我有这个奇怪的问题:apt-get 或 aptitude 无法安装 postfix。每次我收到此错误时:
# apt-get install postfix
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
postfix : Depends: libsasl2-2 but it is not going to be installed
E: Broken packages
和
# aptitude install postfix
The following NEW packages will be installed:
postfix ssl-cert{a}
0 packages upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 1,417 kB of archives. After unpacking 3,535 kB will be used.
The following packages have unmet dependencies:
exim4-config: Conflicts: postfix but 2.7.1-1+squeeze1 is to be installed.
libsasl2-2: Breaks: postfix (<= 2.8.3-1) but 2.7.1-1+squeeze1 is to be installed.
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) postfix [Not Installed]
Accept this solution? [Y/n/q/?] y
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
/etc/apt/sources.list:
# deb http://ftp.de.debian.org/debian/ squeeze main
deb http://ftp.de.debian.org/debian/ squeeze main
deb-src http://ftp.de.debian.org/debian/ squeeze main
deb http://security.debian.org/ squeeze/updates main
deb-src http://security.debian.org/ squeeze/updates main
# squeeze-updates, previously known as 'volatile'
deb http://ftp.de.debian.org/debian/ squeeze-updates main
deb-src http://ftp.de.debian.org/debian/ squeeze-updates main
deb http://packages.dotdeb.org squeeze all
deb-src http://packages.dotdeb.org squeeze all
# MariaDB 10.0 repository list - created 2013-10-11 09:14 UTC
# http://mariadb.org/mariadb/repositories/
deb http://mirror.netcologne.de/mariadb/repo/10.0/debian squeeze main
deb-src http://mirror.netcologne.de/mariadb/repo/10.0/debian squeeze main
我试图 --purge 删除 potfix 和 exim5,然后重新安装,但问题仍然存在。感谢您的提示。