Public NTP server IP addresses

Here is popular list of public NTP server IP address time-a.nist.gov  (129.6.15.28) time-b.nist.gov  (129.6.15.29) time-b.nist.gov  (129.6.15.30) time.windows.com  (207.46.232.182) ntp.asql.co.uk  (82.68.206.125) chronos.csr.net  (194.35.252.5) time.nist.gov  (192.43.244.18) https://tf.nist.gov/tf-cgi/servers.cgi…

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How to change IP address of vCenter Appliance 5.5 in console mode

When you installed VMware vCenter Appliance 5.5 from OVA file, often forgot to enable network port.  Here is how to enable and add/change IP address…

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DOS batch file script to change IP address on Win7

Here is a simple DOS batch file to change system IP addres in a second.   1. Create a batch file on DOS prompt. –…

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Zenoss IP changes

1. DHCP to Static – Go to /etc/sysconfig and open file, ‘network’. From     To     2. IP assignment – Go to /etc/sysconfig/network-scripts…

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How to hide an access-list applied?

Tweet Sometime, you even don’t want to reply ICMP unreachable message response back to requester. It’s very simple. Here is how you do it. (Assume…

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IP addressing ending .0 or .255

Tweet There is much confusion on ip address ending with .0 or .255. In general, .0 would be considered as a network identifier and .255…

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