remove some backups
update ifplugd configs
disable most logs
Reference http://linux-sunxi.org/Optimizing_system_performance
update normal user path
enable timer trigger on blue led on startup
remove swap partitions, create a 1GB filesystem
Add cpufrequtils and sysfsutils to default packages
Reference URL:
1) http://wiki.debian.org/HowTo/CpuFrequencyScaling
2) https://wiki.archlinux.org/index.php/CPU_Frequency_Scaling
3) http://onefishum.blog.163.com/blog/static/5184730520134204917405/
optimize CPU performance on startup
mount tmpfs and remove swap space
Reference URL: http://linux-sunxi.org/Optimizing_system_performance
minor update
update kernel-config
update bootargs for a20 on nand
fix networklight bug
disable low level logs after system is up
update network time after network available
mv contents from rc.local to services