Linux Reset VMware vCenter root password Problem: The vCenter appliance requires a complex password for the root user, which of course you'll forget after 5 minutes if you're just spinning something up for test purposes. Naturally what then happens is that vCenter server is used for a whole bunch of stuff until the end of time.
VMware vCenter 6.0 Appliance Multi-NIC Introduction: Occasionally it's useful to connect vCenter to multiple networks simultaneously. Often this requirement comes from in-band (IB) vs out-of-band (OOB) networking where some provisioning or automation tool requires access to vCenter. The problem is that these provisioning tools often run on a dedicated OOB network, where servers running ESXi
VMware vCenter 6.5 REST API w/ Python Introduction: So one of the new features in vSphere 6.5 is the REST API introduced into vCenter. This is particularly interesting to me as I've always liked automating things but have been pained by the windows requirement for PowerCLI (I'm also not a huge fan of powershell, despite it's
Cisco Cisco ACS 5.8 Deployment & Configuration (RADIUS and TACACS+) Introduction: So what is ACS? ACS stands for Access Control System and is a product developed by Cisco. The primary features of ACS is to provide Remote Authentication Dial In User Service (RADIUS) and Terminal Access Controller Access-Control System Plus (TACACS+). These protocols are designed for use in Authentication, Authorization
VMware VMware ESXi 6.0 SNMP Config Problem SNMP is cool, but it's a bit of a ball ache to get working in ESXi. We need to configure all of our options and as far as I can see you can't do it using the GUI. So, here's how to do it using the CLI. Solution First,
VMware VMware ESXi Customisation Problem ESXi is a fantastic piece of kit, allows you to do all sorts! As such, me, and others like me have a tendency to try and get it to run on everything from a Cisco UCS to the kitchen toaster. Problem is, ESXi isn't very good at supporting the
VMware Bulk NTP Configuration for vCenter'd ESXi hosts Problem You've got a vCenter environment with many ESXi hosts, and for some reason they've not been set up correctly to the point where the time differences are massive across the board, no consistency etc etc. We can fix that with NTP! But, it's a proper nightmare having to configure
Powershell Useful PowerCLI / PowerShell Snippts Unlike my usual Problem / Solution posts, this post will be updated with helpful PowerCLI pieces I've found during my time picking apart the PowerCLI cmdlet reference! Get Total Host Info (CPU / Memory) This snippet retrieves the CPU and memory of every ESXi host in the cluster and displays the total
VMware vCenter Network Automation with PowerCLI Problem Ever needed to migrate VMs between vCenter servers but been tied down due to VM networking? Hopefully the solutions provided here will help alleviate the problem. If you've got a large vCenter environment using VMware Distributed Switches (VDS) it's an absolute nightmare to move to a new vCenter server.
VMware ESXi - vCenter connection behind NAT. Problem I've recently had the requirement to put a NAT router performing NAT overload between an ESXi server and it's respective vCenter server. According to VMware this is an unsupported configuration but of course since when is anything I do supported anyway...if it's technically possible, go for it! In
VMware VMware vCenter 5.5 database size Problem: I hit a problem with a vCenter server (linux appliance) I look after where I simply could not log into the vCenter client. Upon investigating the vpxd service was not running, and looking at the disk usage using a df -h showed that the /storage/db partition was 100%