In-depth technical articles, high-load system architecture analyses, and practical digital transformation strategies shared directly by Sudo’s engineers and solutions architects.
A small operations team cannot sit and watch dozens of Cloud VPS instances all day. Nginx or PHP-FPM dies at midnight, a queue worker falls into the FATAL state, a disk slowly fills up: these incident...
As described in the opening article of this series, MySQL servers on small Cloud VPS instances usually run without binlog and without replicas. In that setup, the safety of all your data rests on exac...
It is not a rare situation for Kubernetes operations teams: the admin kubeconfig of a production cluster slips into the Helm repo, sits there across many commits, and then one day someone notices it a...
Once a cluster has dozens of Cloud VPS instances, the volume of repetitive daily operations is large: creating sites, deploying code, changing domains, running backups, removing sites, running an arti...
Building a new Kubernetes cluster for a microservice project can take several weeks if you do every step by hand, or only about half a day if every component has been standardized in advance. The diff...
When you need to build or rebuild a whole batch of Cloud VPS instances (balancers, minions, databases, operations hosts), installing the operating system by hand on each one is slow and hard to keep c...
A multimodal model accepts more than one kind of input. In this article that means an image plus a text question, answered in text. Examples include an invoice photographed with a phone, a scanned pri...
As you pack websites more tightly onto each Kubernetes node, you will need a resource buffer: headroom so that one site suddenly bloating its RAM does not push the whole node into memory pressure, or...
Call three warehouses to compare prices, calculate shipping, then merge the results into one invoice. Written sequentially, each call waits for the previous one and the response time equals the sum of...
LLM evaluation means measuring, with numbers, whether an application built on a language model does its job and whether it can be tricked into doing the wrong thing. Without LLM evaluation, every prom...
LoRA (Low-Rank Adaptation) is a technique for fine-tuning large language models without updating the original weights: you freeze the matrix W, learn only two low-rank matrices B and A, and the layer...
A CI pipeline goes weeks without a single changed line, then suddenly fails at the step that uses git over SSH with the message OpenSSL version mismatch. Whoever picks it up usually starts trying thin...
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