Memmy: a local memory hub for agents on a VPS
Memmy gives your AI agents one shared memory store. Build it from source on Ubuntu, run the memory service on port 18960, and keep every note local.
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Recall: give Claude Code a memory on a VPS
Recall is a fully local plugin that logs each Claude Code session and condenses it into a resumable summary. Set it up on a VPS and measure the saving.
Do Claude's memory features cost extra?
Anthropic publishes no memory token price. Remembered text is replayed as input tokens, so your cost tracks how much you replay and whether it is cached.
Ollama context length: set num_ctx, size the RAM
Ollama truncates long prompts at a small default context window. Set num_ctx per request or OLLAMA_CONTEXT_LENGTH server wide, and size the KV cache RAM first.
Limit process memory and CPU with systemd
A capped process can still stall your whole VPS. Set MemoryHigh, MemoryMax, CPUQuota and TasksMax on a systemd unit, and read the OOM kill after.
Self-host Moli, a headless browser for agents
Headless Chrome is the biggest process on a small VPS. Install Moli, serve CDP on loopback, point an agent at it, and learn where it stops working.
kswapd0 Using 100% CPU: Memory or a Miner?
A busy kswapd0 is the kernel reclaiming memory or another program using its name. Check its parent PID, owner and exe link, then fix memory or investigate.
pgvector HNSW on a small VPS: how much RAM?
Size a pgvector HNSW index before you build it: the byte arithmetic, maintenance_work_mem, ef_search, and what to do when it stops fitting in RAM.
Why n8n keeps going offline on your VPS
Four different failures look like n8n going offline. Learn to tell the websocket banner, a restart loop, an out of memory kill and a dead schedule apart.
Docker on a VPS: what actually changes
Docker on a VPS is the same engine with less room: RAM runs out, published ports skip UFW, containers stay down after a reboot, and disk fills up.
Does your VPS need swap? How to size it
Most cloud images ship with no swap. Here is when a small VPS needs a swap file, how big to make it, what vm.swappiness trades, and when zram wins.
Docker Compose memory limits that stop OOM
Set memory and CPU limits in Docker Compose so one greedy container cannot take down your VPS: deploy.resources, mem_limit, exit 137, swap, sizing.
PHP-FPM pool sizing on a small VPS
Your PHP-FPM pool size is a division you run on your own box: measure one worker, subtract what the database needs, then read the number that is left.