w hangs before loading
cswiger at mac.com
Wed Mar 7 21:24:19 UTC 2007
On Mar 7, 2007, at 12:41 PM, Vivek Prasannan wrote:
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> When I type the command 'w' it holds for a while before printing
> the output.
> There is no firewall in the system, load average is below 0.8 and I
> it is something else. Any thoughts on this.
The 'w' command attempts to look up the hostnames for any users which
are remotely logged in.
If you encounter a significant delay, that suggests that reverse DNS
(aka PTR record lookups) is not properly configured or is performing
slowly in your situation.
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