The ramblings of a computer geek
We had a VMware ESXi host start to display this following a networking instability issue. The host was checked and it did indeed have network redundancy, so this message was not correct, and appeared to be stuck warning about a condition that did not exist. Resolution is given in: https://kb.vmware.com/s/article/2008602, and in our case just … Read more
If you need to reboot a switch at a specific time, you can! Can be helpful for if you were performing a potentially disruptive configuration (where you might get cut off), you can set it to reboot after a specific period of time after you’re going to perform the configuration. Then if the configuration goes … Read more
Following on from my previous post: Static Website Hosting/Publishing Using AWS S3, AWS CloudFront, SSL Certificate And Custom FQDN, I had the need to ensure that a particular file was not cached by CloudFront and instead fetched each time. The particular example was that we wanted to use CloudFront, but in this case the website … Read more
A very quick overview of how you can use Python virtual environments. https://packaging.python.org/en/latest/guides/installing-using-pip-and-virtual-environments/ Install the Virtual Environment First install the virtual environment. Create the Virtual Environment Let’s say I have a project called “python-static-site”, so we’ll create the virtual environment within this project directory along with all the source files. The second argument is the … Read more
Assuming you’ve read and followed part 1, now on part 2 we’ll get our SSH keys created, and the gitlab-runner registered with gitlab as a “runner” so we can create our pipeline. Configuring the SSH Keys for Gitlab-Runner To make the local gitlab-runner on your machine have the correct keys, you need to generate them … Read more
Infrastructure as Code (IaC) is a useful way to maintain the configuration of your infrastructure components. It provides a way that you can store your infrastructure or application’s configuration in a versioned location and then coupled with CI/CD brings you the benefits of being able to enforce gatekeeping on any changes to the configuration, automate … Read more
When building a new VMware ESXi host or when troubleshooting any storage issues, it can be quite laborious to test each possible path, especially when you have multiple storage arrays. The script below makes this easy, just add the HPE Nimble Storage iSCSI Discovery IP Address(es) and then the iSCSI Storage Port IP Addresses as … Read more
I’ll assume you have your AWS CLI configured so you are able to login to an AWS account. If you need any help on this see: https://geekmungus.co.uk/?p=1167. Here’s a bit of a cheat sheet on how to use AWS S3 via the CLI. Listing Buckets Upload One File Upload the file called “myfile.txt” into the … Read more
When you are trying to login to AWS using the CLI tool, you may find that the window opens a tab in the wrong browser, to get around this you can apply a “–no-browser” at the end of the sso login command, for example: Now instead of opening a browser automatically, you’ll get the code … Read more
When working with Git repositories on the Linux command line, it can often be helpful to see the branch on which you are using at the command prompt, rather than having to identify the branch via a command like “git branch”. To install it just run: Then logout and back in again to reload your … Read more