Accelerate your Ubuntu to reduce CPU usage

Method from this article FeistyPerformance-"FlyLikeAButterfly" (English translation), the author summarizes a lot about optimization and Acceleration Feisty.

In accordance with the following method to do, is there real results, we tried to know, at least I use found startup speed has been greatly improved. Note: the following steps if you modify the error that will cause a system not to boot, so you need to seriously. 1. disable IPv6 IPv6 have not arrived at present, this advanced functionality to Ubuntu temporarily can shield off to speed up the speed. Edit sudogedit/etc/modprobe.d/aliases, to: modify aliasnet-pf-10off # aliasnet-pf-10ipv6 ipv62, parallel running startup scripts in/etc/init.d/following are startup script, by default the script is started sequentially, in fact, if you are using a SATA or SCSI interface, you can start these scripts in parallel, to speed up the startup process. Use vi to edit sudovi/etc/init.d/rc, the CONCURRENCY = none: revised as the CONCURRENCY = sell3, localhost aliased to hostname it is said that this method can improve the use of Ubuntu for a period, in the GNOME startup slow down your application. Edit sudogedit/etc/hosts, put: 127.0.0.1localost127.0.1.1Ubuntu in the first line the end host name, which is the second line of that name. 127.0.0.1localhostUbuntu127.0.1.1Ubuntu4, disable PangoPango is a focus on internationalization and is used to output and text rendering libraries, but this gallery might cause some programs such as Firefox consume excessive CPU, so we can disable it. This can be very good to reduce CPU usage. Edit sudogedit/etc/environment, add: MOZ_DISABLE_PANGO = "1" 5, disable the gettys open sudogedit/etc/event.d/tty3, put all to start at the beginning of the line, use # commented out.