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22 lines
770 B
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22 lines
770 B
Plaintext
// Module included in the following assemblies:
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//
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// * nodes/containers/nodes-containers-sysctls.adoc
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:_content-type: CONCEPT
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[id="nodes-containers-sysctls-about_{context}"]
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= About sysctls
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In Linux, the sysctl interface allows an administrator to modify kernel parameters at runtime. Parameters are available from the `_/proc/sys/_` virtual process file system. The parameters cover various subsystems, such as:
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- kernel (common prefix: `_kernel._`)
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- networking (common prefix: `_net._`)
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- virtual memory (common prefix: `_vm._`)
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- MDADM (common prefix: `_dev._`)
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More subsystems are described in link:https://www.kernel.org/doc/Documentation/sysctl/README[Kernel documentation].
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To get a list of all parameters, run:
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[source,terminal]
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----
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$ sudo sysctl -a
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---- |