diff --git a/README.md b/README.md index f27c9a2..4d5da4a 100644 --- a/README.md +++ b/README.md @@ -49,16 +49,24 @@ Performers should test things out, practice on their own (headphones can be hand The sync between laptops is achieved using Precision Time Protocol. One of the machines must be assigned as a master to which all others will sync. Before the SC patch is evaluated, prepare clock sync in the following way. Check if master machine is running ntp daemon: + ps waux | grep ntpd + If master is running ntp daemon (regardless if connection to internet is present), run PTPd in master mode: + sudo ptpd -C -G + If master has not ntp daemon, run - sudo ptpd -C -W + + sudo ptpd -C -W + All other computers should run PTPd in slave mode: - sudo ptpd -C -g + + sudo ptpd -C -g + Now all clocks of all laptops should be in tight sync and the SC patch can be evaluated. It is recommended that it is evaluated just before the performance.