memory


Server Management

Note: This article presents the steps to use if you will be using the API for your OnMetal Cloud Server. For the parallel steps to use in the Cloud Control Panel, see Using OnMetal Cloud Servers.
OnMetal allows you to boot bare...
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Scaling and High Availability

The two 1.6 TB PCIe flash cards included with the OnMetal I/O flavor come unformatted. Use the following steps to configure your flash cards for use as a data disk.


Set the Linux I/O scheduler to noop.

echo noop > /sys/...
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What is OnMetal?
OnMetal servers are single-tenant, bare metal servers provisioned via the same OpenStack API as our cloud. They can be spun up or down as quickly as VMs to offer the agility of multi-tenant environments with the...
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Note: This article presents the steps to use if you will be creating an OnMetal Cloud SErver through the Cloud Control Panel inteface. For the parallel steps to use in the API, see Using OnMetal Cloud Servers through API.
OnMetal...
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Linux Tools

The iotop utility provides an easy-to-use interface for monitoring swap and disk I/O on a per-process basis.
Watching the disk
Sometimes you get more disk activity on your system than you would like. Maybe you saw the problem by...
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Here we look at the basic scripting options for dstat as well as an overview of its external modules.
All-powerful
Well, not that. But it can feel a little like that when you fiddle with some more advanced aspects of dstat....
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For a flexible reporting tool that can yield information ranging from CPU use to the top I/O-consuming process look no further than dstat.
All-seeing
Well, maybe not “all-seeing”, but it made for a catchy header. Though dstat...
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Uncategorized


Contents
1 Memory management with free
2 Free
3 Free -m
4 Buffers and Cache
5 Actual Usage
6 Swap
7 Regular monitoring


Memory management with free
Basic monitoring should be done on a regular basis. This keeps you informed as...
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Filed in: Cloud Servers