Linux Kernel 2.6.20 and above should support the relatime optionExecute the following command in your console to enable the relatime option.Have you ever had a passion for the products of Apple and now there is an old MacBook Aluminum Late 2008 dusted up in your closet because no updates and upgrades are possible. This change allows utilities to see if the current version of a file has been read, but still cuts down significantly on atime updates. An alternative is to enable the relatime option where Linux will update files access times only if they are earlier than the modification time. We can disable the atime to reduce disk write at the cost of breaking software that relies on atime. If youre laptop comes with multi-processor, we can use take advantage of Linuxs processor balancing feature to save energy consumption by executing this command through the console: Linux provides a simple tuning mechanism to save energy consumption in our processor by distributing the processing load among the available processors. We can turn off our wifi if our network card supports the enable and disable power control mechanism by using the iwconfig command that we can execute in Ubuntu console: Our Wifi/Wireless Radio consumes power when it receives and sends data over the network and we should turn it off when were not using it. Dimming display when the computer is idle. Putting display to sleep when it is inactive.Ħ. Setting our computer to hibernate mode when battery power is low.Ĥ. Putting our computer to sleep when it is inactive.Ģ. We can extend our battery life by selecting these options from the power management screen:ġ.
Ubuntu comes with a power management module that gives us basic control to save our battery life, to open it just go to System > Preferences > Power Management. We will show you some basic battery energy saving tips and some advanced hardware tweaks in Ubuntu. The following components of our computer consumes most of our battery life and we can lengthen our battery life by tweaking them:
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