apt-get install php5 libapache2-mod-php5 mysql-server libapache2-mod-auth-mysql php5-mysql mysql_secure_installation
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package php5 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Package libapache2-mod-php5 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Package php5-mysql is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'php5' has no installation candidate
E: Package 'libapache2-mod-php5' has no installation candidate
E: Unable to locate package libapache2-mod-auth-mysql
E: Package 'php5-mysql' has no installation candidate
E: Unable to locate package mysql_secure_installation