How to configure External NTP server on Windows Server 2012R2

Here are simple steps to complete the external NTP server setup. 1. Found a reliable External/public NTP servers List 2. Open PowerShell windows (as an…

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Tenable Essential deployment and Tips

Tenable Essential is a free vulnerability tool in the market. It only supports 16 hosts of small or lab environment. We downloaded the VM version…

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TCPDUMP Tips

[root@Syslog_Trial ~]# tcpdump -i ens160 -n | grep 10.10. tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on ens160, link-type…

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