method and process of installation of altiris agent on linux and mac client?
Is it done from server or manually?
Check the symantec shared articles
https://www-secure.symantec.com/connect/videos/manually-installing-altiris-agent-mac-using-bootstrap-video
https://www-secure.symantec.com/connect/forums/how-install-altiris-agent-linux-os
On more link with video about how agent can be push installed from server
https://www-secure.symantec.com/connect/videos/push-installing-altiris-agent-mac-smp-console-video