ubuntu 16.04 became VERY slow

[Colin Law]

On 19 December 2016 at 08:40, robert rottermann <robert at redcor.ch> wrote:
> Hi there,
>
> i am using ubuntu 16.04 on on a reasonably modern box.
>
> During the last couple of weeks it has become unbearably slow.

Slow doing what?

If you run
tail -f /var/log/syslog
which will show syslog as it is written to do you see significant
activity there or anything like looks like ongoing errors?

Run the Disks utility and look at the SMART data and check it says the
disk is ok

Colin