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3.27	ntp	(Not support AMI)
			
	abstract: NTP configurations command.
		
	usage	: java -jar GbtUtility-2.1.76.jar ntp <set | get> [args...]
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3.27.1
	<get>	: Get NTP configuration.

	usage	: java -jar GbtUtility-2.1.76.jar ntp get

	Example : 
		  by node list	 : java -jar GbtUtility-2.1.76.jar ntp get
		  by single host : java -jar GbtUtility-2.1.76.jar -H 10.1.1.21 ntp get
		  by scan host	 : java -jar GbtUtility-2.1.76.jar -S rmcp,10.1.27.1,10.1.27.100 ntp get
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3.27.2
	<set>	: Set NTP configuration.

	usage	: java -jar GbtUtility-2.1.76.jar ntp set <mode> [server1=...] [server2=...] [server3=...] [freq=...] [tsm=...]
	
	<mode>	: NTP operation mode. (disable, daemon, requested)
	[server1=...] : Set server 1 host address. (when set daemon or requested mode)
	[server2=...] : Set server 2 host address. (when set daemon or requested mode)
	[server3=...] : Set server 3 host address. (when set daemon or requested mode)
	[freq=...]    : Set request update frequency. (when set requested mode must set this tirm)
	[tsm=...]     : Set request time synchronization method. (when set requested mode must set this tirm)
			The "tsm=" allows step or slew mode.
	
	Example : 
		  by node list	 : java -jar GbtUtility-2.1.76.jar ntp set requested server1=xxx.com 
				   server2=yyy.com server3=zzz.com freq=20 tsm=slew
		  by single host : java -jar GbtUtility-2.1.76.jar -H 10.1.1.21 ntp set daemon server1=xxx.com server2=yyy.com
		  by scan host	 : java -jar GbtUtility-2.1.76.jar -S rmcp,10.1.27.1,10.1.27.100 ntp set disable
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