apt-get dist-upgrade
Reading package lists... Done
Building dependency tree... Done
Calculating upgrade... Done
The following packages have been kept back:
courier-authdaemon courier-authlib courier-authlib-userdb libapache-mod-php5
libapache2-mod-php5 php-pear php5 php5-cli php5-common php5-curl php5-gd
php5-imap php5-mcrypt php5-mysql
0 upgraded, 0 newly installed, 0 to remove and 14 not upgraded.
