In many lab or resource-constrained environments, you may not need the full feature set of vCenter — features like vSAN, Lifecycle Manager, Content Library, and others can consume significant CPU and memory resources.This guide...
I need to install a wildcard certificate on Cisco PI for testing purpose, the following is the installation process. Environment Ubuntu 19.10 OpenSSL 1.1.1c Prime Infrastructure 3.10 Google Chrome 109.0.5414.120/Microsoft Edge 109.0.1518.70 FTP Server...
I recently installed Splunk 8.2.4 because older version of Splunk was affected by the Log4j vulnerability, the following is the installation process. Installation Download and install the dpkg package. Initial configuration Entering the following...
The vulnerability of the Apache Log4j Library affects a very wide range, and the Cisco Identity Services Engine also affected. In this article I will discuss how to install Log4j patch to ISE. I...
If you need to validate your QoS configuration, this article may be helpful to you. I will discuss here how to change the DSCP value in the simplest way, including Linux and Windows systems....
We may need to capture vlan tags during troubleshooting, the configuration method is summarized as follows. Switch side configuration Cisco switches can use Switched Port Analyzer (SPAN) to capture packets, and we need to...
I tried to install .NET Framework 3.5 on a Microsoft server, but the installation failed. The following error message appears in Server Manager. “Installation of one or more roles, role services, or features failed....
ISE can generate PCAP capture very simply(Compared to SPAN), which is really useful for troubleshooting network issue.
In my last post “How to configure NTP Server with Windows Server” I showed how to configure NTP Server with Windows Server. In this post I will show you how to use Cisco switches...
If you are a network administrator, you may face the situation of configuring an NTP server to synchronize time. There are many ways to configure an NTP server. Windows Server or NAS or even...
I have a Synology NAS, I often need to access it when I am traveling, and I don’t have a Static IP – Static IP that requires network provider support and requires additional expenses....
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