Hi Clive,

> + grep -w swap /etc/fstab
> # swap was on /dev/sda2 during installation
> UUID=66b0460e-9393-4743-a751-787c8108c4f0 none            swap    sw          
>     0       0

The edit went fine.

> + swapon -s
> Filename                              Type            Size    Used    Priority
> /dev/sda4                                     partition       5062652 0       
> -2
> + free -m
>               total        used        free      shared  buff/cache   
> available
> Mem:           2992         599        1509         128         882        
> 2086
> Swap:          4943           0        4943

Swap space is now being found and used, though there's ample free memory
after booting so it hasn't been needed yet.  Is it a 3 GiB RAM machine?

> + systemd-analyze
> Startup finished in 12.108s (kernel) + 21.402s (userspace) = 33.510s
> + systemd-analyze blame
>           9.847s dev-sda1.device
>           7.400s systemd-tmpfiles-setup-dev.service
>           6.308s 
> udev-configure-printer@-devices-pci0000:00-0000:00:1d.7-usb1-1\x2d2.service
>           2.931s lvm2-monitor.service
>           2.229s thermald.service
>           2.003s accounts-daemon.service
>           1.986s loadcpufreq.service
>           1.904s NetworkManager.service
>           1.740s ntp.service
> ...
>
> Start up appears to be quicker (56 secs from button to log-in) so that
> may have cleared the problem as it's two old Pentium CPUs.

That looks a reasonable boot time to me.  You could see if
‘systemd-analyze blame’ still shows a long ~10 second time for
dev-sda1.device after you reboot without cutting the power.  It might
just be slow to spin up on power on.

> Will bring printouts tonight for info.

Don't think they're needed if you haven't already committed paper.  :-)

-- 
Cheers, Ralph.

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