memory


Server Management

OnMetal Cloud Servers enables you to boot bare metal servers via the Rackspace Cloud Servers API. Use the following steps to set up an OnMetal server through the API:
API Client Setup
Uploading an SSH key
Boot your server
Logging...
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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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OnMetal Cloud Servers enables you to boot bare metal servers via the Rackspace Cloud Control Panel interface. Use the following steps to set up an OnMetal server through the Control Panel.
Create OnMetal Cloud Server in Control...
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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