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Introduction In this post we will go through the process of CIMC (Cisco Integrated Management Controller) upgrade on a standalone Cisco UCS server. I will be upgrading C220M4 server from 3.0(3a) to 4.0(1d), but instructions apply to any standalone UCS server. Step 1: Do*nload Host Upgrade Utility Go to Cisco Software Do*nload website and do*nload router as a virtual machine. Cisco has a special product called CSR (Cloud Services Router) 1000v for deploying routers as virtual machines. You can use these VMs for testing and learning purposes. Cisco supports all popular cloud and virtualization platforms, but I Introduction You might be getting this error “A required disk image was missing” while deploying a new virtual machine from CSR 1000v OVA file. You can ignore this error, but the router will not boot after you power it on. I have written below how I managed to deploy Introduction In this post we will configure port forwarding on a Fortigate firewall running FortiOS 5.4. What is Port Forwarding? Port you want anyone on the Internet to access a service (e.g. Read More Introduction In this post you will learn about curl command in Linux and then have a look at some common curl examples. What is curl? Curl is a command-line utility used for sending and getting data using URLs. curl supports various protocols, including HTTP, HTTPS, FTP, Introduction In this short post we will update NodeJS to the latest version using npm (Node Package Manager). I will update  NodeJS 8.1.0 to NodeJS 10.13 in Ubuntu 18.04.   Update NodeJS using NPM If you have NodeJS installed on your computer then you also have NPM, because they come together. NPM (Node Package Manager) is usually Read More Introduction In this post we will go through the process of configuring Native Call Queuing in Cisco Unified Communications Manager 11.5. This allows us to have basic call queuing functionality with periodic announcements without implementing Cisco Contact Center