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Dynamic Update for OCI's Ingress Firewall Rules

Dynamic Update for OCI's Ingress Firewall Rules

Using Oracle's OCI API to update firewall ingress rules dynamically, to allow for dynamic IP address lockdown.

ChatGPT Writes a Story with Jargon references

ChatGPT Writes a Story with Jargon references

I asked ChatGPT to "Write me a story about the early days of computing, using as many terms from the Jargon File as possible". This was the first result. In the early days of computing, the world was a different place. There were no smartphones, no laptops, and no Internet.

Regain Access to Oracle Instance

Regain Access to Oracle Instance

If you lose access to an instance (e.g. by forgetting/losing your SSH keys, or a server update breaks SSH access due to file permission changes) then you can try the following options, in order of increasing effort. For future reference, tailscale's wonderful ssh feature would mitigate this too

Setting up Ghost

Setting up Ghost

Assuming you're using a private Ubuntu Server, Ghost will run in a container for convenience, with a local MySQL instance, and Apache2 as a reverse proxy. Step 1 - install docker Instructions at https://docs.docker.com/engine/install/ubuntu/, installing from docker's apt repo: sudo apt-get update sudo apt-get

Oracle Free Tier references & resources

Oracle Free Tier references & resources

Links to handy references. Oracle's documentation is generally excellent, worth looking before asking. General /r/oraclecloud is a great place to search for answers and ask questions, plenty of helpful souls around. Oracle 1. Free Tier docs top level * Always Free Resources section (including specifics of what counts as "free

ChatGPT Poem on Appreciation

ChatGPT Poem on Appreciation

My son asked ChatGPT to "write a poem about appreciation as a kid": Nature's canvas, painted bright, With colors that are pure and light, Each leaf and petal, every tree, A masterpiece for you and me. The sun, it rises in the east, And sets in the west, with perfect

Installing CrowdSec on Ubuntu

Installing CrowdSec on Ubuntu

"CrowdSec offers a crowd-based cyber security suite to protect your online services, visualize & act upon threats, and a TIP (Threat Intel Platform) to block malicious IPs." Why CrowdSec From your perspective, CrowdSec helps protect your public-facing server(s) from malicious scanners trying to abuse open ports, brute force passwords, scan

Oracle Free Tier VPS - Best Practices

Oracle Free Tier VPS - Best Practices

Oracle offers a very generous free tier (although a little too generous perhaps which has led to temporary capacity issues in some regions - see FAQ). "Each tenancy gets the first 3,000 OCPU hours and 18,000 GB hours per month for free to create Ampere A1 Compute instances