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Developer tools · #linux
Writes fail with ENOSPC but df -h shows free space? You likely ran out of inodes. Confirm with df -i, find the small-file hoard, and apply the right fix.
Stop relying solely on memory.max. Learn how to use Linux cgroups v2 memory.high to throttle memory-intensive processes and prevent OOM kills through proactive reclamation.
Deploying Puppeteer in Linux-based containers using headless: "new" can result in browser initialization failures that do not throw explicit JavaScript exceptions. While the browser.on('disconnected') event captures stdout and stderr, logs are frequently truncated when the process is terminated by system-level signals, such as an Out-of-Memory (OOM) killer.
Stop relying on passwords for server access. Learn how to implement SSH Public Key Authentication to eliminate brute-force risks and enable secure automation.
Stop relying solely on the OOM Killer. Learn how to use Linux cgroups v2 memory.low, memory.high, and memory.max to create a tiered resource strategy that throttles instead of crashes.
Stop waiting for Emacs to boot. Learn how to use emacsclient and daemon mode to achieve near-instant startup times and persistent editing sessions.
A guide to diagnosing and fixing OpenStack Nova CPU pinning failures, including configuration checks for topology mismatches and cgroup errors.
When running containers on Linux, cgroups v2 lets you enforce precise memory limits. This guide shows how to set hard, soft, and minimum thresholds, demonstrates a practical setup, and warns against common pitfalls.
In environments where many users share the same system, executing awk scripts with excessive permissions can pose a security risk, potentially allowing unintended file access or privilege escalation. The aim is to confine awk’s capabilities to the least privilege necessary while still allowing legitimate data‑processing tasks to succeed. Which confinement me
puppeteer
ssh
emacs
openstack
awk