When you face an outage due to a performance issue, you can’t afford to waste time installing diagnostic tools. Here’s a list of essential “crisis tools” to install on your Linux servers by default, along with the corresponding package names. Including tools for basic stats, system logs, device info, network analysis, CPU details, and more, these tools are crucial for quick issue resolution during a crisis. The article also emphasizes the importance of pre-installing these tools to avoid delays caused by installation difficulties during production crises, ensuring a faster response to performance issues.
https://www.brendangregg.com/blog/2024-03-24/linux-crisis-tools.html