[Hofstede.it] FreeBSD Resource Monitoring, Accounting, and Troubleshooting
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“The server feels slow.” It is the most common ticket text in the world, and the least useful. Before you can fix anything you need to know whether the box is CPU bound, memory pressured, waiting on disk, saturating a NIC, or simply running a runaway process in one jail that is starving everyone else. On jail hosts, the second half of the problem is attribution: not just what is overloaded, but which jail is responsible…
ping: https://framapiaf.org/@Larvitz@burningboard.net/116560508989633469
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mdo on FreeBSD 15: Base-System Privilege Delegation with mac_do
FreeBSD 15 ships mdo(1) and the mac_do(4) policy module in the base system. It replaces sudo and doas for most of my hosts, needs no ports, and configures with a single sysctl. This article walks t...
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