The ramblings of a computer geek
VMware vCenter can use a multitude of authentication methods, such as LDAP, Active Directory and SAML (ADFS), however since vCenter 8.0 U1 the ability to integrate with OKTA for authentication has been added, which allows for adding MFA (multi-factor authentication) for enhanced security and detaching the vCenter appliance from Active Directory. When switching to use … Read more
DISCLAIMER: Ensure you consult with a certified electrician, the below is for information only and is not to be taken as guidance on what you should or should not do, it is merely a detail of what I found. Our Ei Electronics Ei166RC smoke detector started to go off at random intervals, we have 3 … Read more
Setting up network bonding between two 10Gbit NICs within a physical machine; this assumes Active-Standby bonding so a link down event on one NIC will cause the other to become Active, no LACP or switch side configuration is required in this case. The documentation assumes you are running under root, stick sudo in front of … Read more
We had some older VMware hosts where there is a warning about a host being vulnerable to a particular CVE relating to the processor type, in this case the fix was not possible, but we still wanted to suppress the warning. When applying the normal Host Profile it was grumbling about this shell warning, so … Read more
Creating a user account with a home directory and setting the default shell as BASH, can be done as follows, add “sudo” to the front as required. If you need your account to have sudo rights, you can specify the “sudo” group upon creation, as follows:
There are a number of ways to protect secrets you wish to use in your Playbooks. I’ll show a simple example here of how you can encrypt a string, copy it into your Playbook for use and then run the Playbook, where the string is de-crypted in-line and used without exposing it in plain text … Read more
Infrastructure as Code (IaC) is managing infrastructure using a DevOps type methodology. Where the current configuration of your infrastructure is represented in code, any additions, changes or deletions are also made through this code. There are various methods to codify your infrastructure, some proprietary like AWS Cloudformation, others are generic like Ansible or Terraform. The … Read more