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| wiki:raspberrypi [2017/01/30 03:06] – [On-board audio] flatmax | wiki:raspberrypi [2017/09/29 19:31] – added descrepency I found with new raspbian colinsullivan | ||
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| ===== Disabling unneeded services ===== | ===== Disabling unneeded services ===== | ||
| - | By default the RPi runs quite some services that are not really needed or even get in the way when setting up a real-time, low-latency environment. One way to disable such services from running and chewing up precious CPU cycles is to write a little script, an example can be found here: https:// | + | By default the RPi runs quite some services that are not really needed or even get in the way when setting up a real-time, low-latency environment. One way to disable such services from running and chewing up precious CPU cycles is to write a little script, an example can be found here: https:// |
| Breaking down the script: | Breaking down the script: | ||
| Line 221: | Line 221: | ||
| export DBUS_SESSION_BUS_ADDRESS=unix: | export DBUS_SESSION_BUS_ADDRESS=unix: | ||
| - | And then add the following lines to ''/ | + | And then add the following lines to ''/ |
| <policy user=" | <policy user=" | ||
| + | <allow own=" | ||
| <allow own=" | <allow own=" | ||
| </ | </ | ||
| + | | ||
| + | WARNING: In Raspbian Stretch I had to do the following instead of modifying '' | ||
| + | |||
| + | Create a new file ''/ | ||
| + | |||
| + | <?xml version=" | ||
| + | < | ||
| + | " | ||
| + | | ||
| + | < | ||
| + | | ||
| + | <policy context=" | ||
| + | <allow own=" | ||
| + | <allow own=" | ||
| + | </ | ||
| + | | ||
| + | </ | ||
| + | |||
| + | |||
| === Using an external USB audio interface === | === Using an external USB audio interface === | ||
| Line 244: | Line 264: | ||
| [[http:// | [[http:// | ||
| + | |||
| + | [[https:// | ||
| {{tag> | {{tag> | ||