New answers tagged applet
Each indicator/applet (should) have a user setting letting the user specify autorun on startup. Installing the indicator does not run it as you discovered and a well-behaved indicator will not autorun unless set to do so by the user. However, in the unity dash, search for "start" and you'll find Startup Applications which will allow you to specify specific ...
OK I managed to install the above indicators. I opened the dash and typed in the search box "indicator" Then both of the newly installed applets appeared as icons. I clicked on them one at a time and filled in the settings and now the applets are on the panel. I still do not know how to manually add applets to the panel though.
Looks like this needs to be in startup applications twice but the startup applet removes duplicate values from the list, adding "setsid indicator-cpufreq" with a delay of 20 and "indicator-cpufreq" with a delay of 5 appears to solve the issue on my Mint system.
If you have gnome, restarting the shell (Alt-F2, r, Return) might do it.
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