x2vnc & OSXvnc lag

If you’re doing a linux/mac dual-screen hack using x2vnc and OSXvnc and notice some lag, the following may help:

sudo /usr/sbin/sysctl -w net.inet.tcp.delayed_ack=0

Anyone know how to make this permanent on a mac? It seems to be ignoring /etc/sysctl.conf.

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