Sudo apt-get install unzip apache2 php5 php5-mysql php-pear
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 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 'php5-mysql' has no installation candidate
这是显示的错误