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How to Mitigate Log4j VMware Vulnerability – Workaround

How to Mitigate Log4j VMware Vulnerability – Workaround

In light of the recent Apache Software Foundation Log4j Java component vulnerability (CVE-2021-44228 and subsequent CVE-2021-45046) which may allow for remote code execution, many are looking to mitigate exposure. Due to the critical nature of the vulnerability, it is recommended mitigations are implemented immediately. Numerous companies and their applications use log4j to log information from Java-based software. VMware is just one of those companies that use the log4j Java component. As such, VMware recently released a critical security advisory (VMSA-2021-0028) addressing…

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Add Secondary DNS Server to SailPoint Virtual Appliance

Add Secondary DNS Server to SailPoint Virtual Appliance

Virtual Appliances are critical components to the SailPoint IdentityNow infrastructure. Initially, when the virtual appliances are configured, the network information is set; however, if you only configured a single DNS server, you may want to add a secondary DNS server to mitigate issues in the event your primary DNS server is unavailable. To do so: SSH to the Virtual Appliance(s) and login using the sailpoint account. Edit the network file with sudoedit /etc/systemd/network/static.network To start entering text into the file,…

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How to Assign vSphere 7 Licenses

How to Assign vSphere 7 Licenses

Quick byte today – Here is a tutorial on how to assign VMware vSphere 7 licenses. When you first install ESXi (or vCenter), you will have a 60-day evaluation license to dive into the full set of features. These evaluation features are equivalent to that of a vSphere Enterprise Plus license which includes vSphere vMotion, High Availability (HA), Distributed Resource Scheduler (DRS), Virtual Machine Encryption, Distributed Switches, etc. Durng this time, the Licenses tab will indicate you are Evaluation Mode….

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Upgrade Dell EMC Unity Array OS

Upgrade Dell EMC Unity Array OS

A few months back, I needed to upgrade a mid-range DELL/EMC Unity array. I was slightly apprehensive at first due to my previous experience upgrading EMC arrays; which could be somewhat of an arduous process. However, the process has been greatly simplified with the release of the Unity line. The process took around an hour and a half and can be done completely through the Unisphere UI. Although the upgrade process is non-disruptive due to the dual-node architecture, it is…

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Upgrade Cisco UCS Server Firmware with Host Update Utility

Upgrade Cisco UCS Server Firmware with Host Update Utility

Upgrading server firmware is an integral part of patching your infrastructure. Typically, device firmware is installed prior to upgrading your OS/hypervisor. In this scenario, we will be upgrading Cisco UCS server firmware via the Host Update Utility (HUU). This specific server/host is running VMware ESXi. It is also worth noting, this process is also revelevant on how to upgrade Cisco CIMC. Before we get into the actual server firmware patching, let’s talk about drivers vs firmware as these two may…

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