kernel parameters

The Advanced Configuration and Power Interface (ACPI) specification is an open standard operating system-centic device configuration and power management. You can easily reduce your PC’s power consumption through smart activity monitors.

With the tools and code presented, you can reduce your power consumption through a series of rules regarding application usage. After tuning your kernel, hdparm, ACPI, and CPU settings, add these application monitors to more effectively enter your low-power states.

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If your Linux server is opening lots of outgoing network connection, you need to increase local port range. By default range is small. For example squid proxy server can come under fire if it runs out of ports. You can use sysctl command to to modify kernel parameters at runtime. The parameters available are those […]

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A conceptual understanding of file system, especially data structure and related terms will help you become a successful system administrator. I have seen many new Linux system administrator without any clue about file system. The conceptual knowledge can be applied to restore file system in an emergency situation.

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FreeBSD comes with different utilities, which can be use to gathered the information as per your needs. uname command is use to print system information. dmesg command is use to print kernel ring buffer information. sysctl command is use to configure kernel parameters at runtime as well as to read hardware information. Following list summaries, […]

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