Re: changing hostname

["Paul J. Lucas" <pauljlucas@mac.com>]

On Fri, 25 Mar 2005, Paul J. Lucas wrote:

> 	... but 'uname -n' still prints the old hostname.  Is a reboot
> 	necessary?

	Well, it seems that there's a sethostname(2) call, but
	apparently no command for calling it; so I wrote as a quick
	hack:

		#include <unistd.h>
		#include <string.h>

		main() {
		    char *hostname = "new_hostname_goes_here";
		    int err = sethostname( hostname, strlen( hostname ) );
		    if ( err )
		        perror( "sethostname" );
		}

	Running it as root then doing 'uname -n' seems to have worked.
	But is there a better/canonical way to do this?

	- Paul