Category: Sytem Administrator

  • Raspberry Pi ddns

    Raspberry Pi ddns

    How to install noip ddns service on Raspberry Pi

  • Get VM name with specific MAC Address

    -Recently I got a request to get a virtual machine (vm) name using only the network interface MAC Address. After search for some scripts I could not find one that really worked for me so I put my brain to work and this is what I came up: [sourcecode language=”powershell”] get-vm | get-networkadapter | Where-Object…

  • Add host to Icinga2

    Adding a Windows 2008 Server to Icinga2 master Server using Icinga2 agent Setup the Icinga2 master for node clients and make shure the answer to the first question is n (no). # icinga2 node wizard Dowload  the agent from Icinga2 website and run it. After the installation the setup wizzard will pop up. Remember the Instance Name…

  • Icinga2 on CentOS7

    A Software to monitor the health of an infrastructure is a vital component to a good system administrator. After looking arround for open source software i decided to give Icinga2 a try. Icinga2 is a fork of Nagios (it’s a good start) and looks much cooler 🙂 (IMO The cool factor is very important) CentOS7…

  • VMware ESXi server hardware

    I have a VMware infrastructure in my company and it’s time to make a hardware upgrade. All my server are up and running and i can’t shut them down, how can i check how many slots of physical memory RAM are free? It’s as simple as running on the ESXi Shell the command: smbiosDump This…