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Powersaving Tweak for Netbooks: Add the following to the /etc/rc.local file: # Economize the SSD sysctl -w vm.swappiness=1               # Strongly discourage swapping sysctl -w vm.vfs_cache_pressure=50      # Don’t shrink the inode cache aggressively # As in the rc.last.ctrl of Linpus echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo ondemand > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor cat /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate_max > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate echo 1500 > /proc/sys/vm/dirty_writeback_centisecs echo 20 > /proc/sys/vm/dirty_ratio echo 10 > /proc/sys/vm/dirty_background_ratio echo 1 > /sys/devices/system/cpu/sched_smt_power_savings echo 10 > /sys/module/snd_hda_intel/parameters/power_save echo 5 > /proc/sys/vm/laptop_mode #Decrease power usage of USB while idle [ -w /sys/bus/usb/devices/1-5/power/level ] && echo auto > /sys/bus/usb/devices/1-5/power/level [ -w /sys/bus/usb/devices/5-5/power/level ] && echo auto > /sys/bus/usb/devices/5-5/power/level Related posts: Ubuntu: Some Usefull Commands Hardware lister lshw Ubunty Unity-2D Ubuntu: How to uninstall VMWare Player or VMWare Workstation Ubuntu / Mint: Install latest Nvidia drivers Ubuntu : zram memory compression (compressed swap in ram)

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