Tag Archive: ubuntu

May 23

Changing CPU frequencies on Linux

CPU frequencies in Linux (Ubuntu specifically) can be temporarily modified by writing to the “scaling_governor”  in – /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor One needs to be root to be able to write to this file. The available governors can be found by – cat s/ys/devices/system/cpu/cpu1/cpufreq/scaling_available_governors The available governors are – conservative ondemand userspace powersave performance. By default, the governor …

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Dec 07

Log kernel messages on a remote machine in Linux (Ubuntu).

Netconsole can be used to transmit the kernel messages on the sender to the receiver. Netconsole is a kernel module that logs kernel printk messages over UDP allowing debugging of problems where disk logging fails. Prerequisites – IP address of the receiver MAC address of the receiver A port on the receiver IP address of …

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