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Hi, I have got hddtemp to show in my conky, but i have to do a "sudo gedit /etc/default/hddtemp" and close the file each time, even though i don't edit it (i have already set the 'Run_Daemon' value to false), otherwise there is no output in that field in the conky. Please tell me what i need to do?

sudo chmod u+s /usr/sbin/hddtemp

Thanks, but no joy. That command granted the required permissions only for that session, which was what i was already doing with my sudo gedit /etc/default/hddtemp command. A restart gives this:
sade@sade-desktop ~ $ conky
Conky: forked to background, pid is 3185
sade@sade-desktop ~ $
Conky: desktop window (14000a5) is subwindow of root window (1a7)
Conky: window type - normal
Conky: drawing to created window (0x2600001)
Conky: drawing to double buffer
[sudo] password for sade:
(my password)
bash: (my password): command not found
and the resulting conky has a blank line in the HDD temp field.

OK, then. Two things I can think of:
1. Without doing your [whatever it is you're doing], can you run hddtemp from the command line without using sudo?
2. Show me the line from your .conkyrc that you're using to call hddtemp.

Hi, really appreciate you taking all this trouble,
1) "Yes, we can!": sade@sade-desktop ~ $ hddtemp /dev/sda
/dev/sda: ST3160215AS: 37°C
sade@sade-desktop ~ $

2) Line from .conkyrc:
HDD Temp: ${color Tan1} sda:$color ${execi 300 sudo hddtemp /dev/sda | cut -c24-25} °C

mzsade wrote:Hi, really appreciate you taking all this trouble,
1) "Yes, we can!": sade@sade-desktop ~ $ hddtemp /dev/sda
/dev/sda: ST3160215AS: 37°C

OK, that's good... Now the .conkyrc line:

mzsade wrote:2) Line from .conkyrc:
HDD Temp: ${color Tan1} sda:$color ${execi 300 sudo hddtemp /dev/sda | cut -c24-25} °C

Just get rid of the sudo and it should work.

Maestro, I pledge my fealty to you!