PHP5 packages can be installed on one 16.04 system but not on another

[Colin Law]

On 18 May 2016 at 11:16, Chris Green <cl at isbd.net> wrote:
> I have two xubuntu 16.04 systems both with LAMP server software on
> them.  On one I can see and successfully install a number of PHP5
> packages, in particular php5-sqlite, on the other it can't see this
> package at all using apt-search or synaptic.
>
> I have checked through all the repsitories in /etc/apt and, as far as
> I can see, they're identical.
>
> What is wrong?  I need php5-sqlite on both systems.

On the one where you *have* successfully installed the package what do
you see if you run, in a terminal
apt-cache policy php5-sqlite

Colin