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Root-tail displays a given file anywhere on your X11 root window, i.e.
it is kind of tail -f for multiple files using your desktop background
as output window.
It has configurable colors, fonts, wrapping, justifying, continuation
indicators, geometry, and more and can interleave multiple files also
making it a sort of multi-tail.
For example:
root-tail -g 800x250+100+50 -font 10x20 /var/log/messages,green \
-font 12x24 /var/log/secure,red,'ALERT'
By default root-tail doesn't seem to work on XFCE. You need to
explicitly specify the ID of the display to use it (by using the "-id"
flag of root-tail). Use the xprop command to find the active root
display, and run this through the cut command to strip out the ID number
for insertion into the root-tail `-id` field.
It looks a little something like this:
root-tail -g 800x250+100+50 -font fixed /var/log/messages,green \
/var/log/secure,red,'ALERT' -id $(xprop -root XFCE_DESKTOP_WINDOW |\
awk '{ print $NF }')
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