kubuntu 14.04.1 설치 후 최적화

다음 과정으로 최초 부팅완료 후 메모리 사용량을 400mb 까지 줄일 수 있다.

kubuntu-14.04.1 64bit

// app delete
apt-get purge bluez kde-telepathy* print-manager* muon-* kubuntu-driver-manager modemmanager kmail

// app install
apt-get install nasm gcc g++ fonts-nanum* kolourpaint4 nabi vim flashplugin-installer
apt-get install bcmwl-kernel-source

// oracle java
sudo apt-get autoremove --purge openjdk*;
sudo add-apt-repository ppa:webupd8team/java;
sudo apt-get update;
sudo apt-get install oracle-java8-installer;

// xim settings
im-config -c
and select xim

$ vi .kde/env/my.sh
export XIM=nabi
export XMODIFIERS="@im=nabi"
export XIM_PROGRAM=/usr/bin/nabi
export GTK_IM_MODULE=xim
export QT_IM_MODULE=xim
export QT4_IM_MODULE=xim
nabi&

// kde optimization
$ vi .config/akonadi/akonadiserverrc
[QMYSQL]
StartServer=false

$ vi ~/.kde/share/config/klipperrc
[General]
AutoStart=false
Synchronize=false

$ vi ~/.kde/share/autostart/krunner.desktop
[Desktop Entry]
Exec=krunner
Hidden=true
X-DBUS-StartupType=none
Name=Command Runner
Type=Service
X-KDE-StartupNotify=false
OnlyShowIn=KDE;
X-KDE-autostart-phase=1

$ vi /etc/group
disk:criny
vboxusers:criny

// amd optimization
$ vi /etc/pm/sleep.d/01-stay-cool
$ vi /etc/rc.local
#!/bin/sh

if [ -f /sys/class/drm/card1/device/power_dpm_state ]; then
    echo battery > /sys/class/drm/card1/device/power_dpm_state
    echo low > /sys/class/drm/card1/device/power_dpm_force_performance_level
fi
if [ -f /sys/class/drm/card0/device/power_dpm_state ]; then
    echo battery > /sys/class/drm/card0/device/power_dpm_state
    echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level
fi

// ssd optimization
$ vi /ets/fstab
UUID=1b968106-07ff-4713-a961-4ec828acc029 / ext4 errors=remount-ro,noatime,discard 0 1
tmpfs /tmp tmpfs defaults,nosuid 0 0
tmpfs /var/tmp tmpfs defaults,nosuid 0 0
tmpfs /var/log tmpfs defaults,nosuid 0 0

$ vi /ets/default/grub
elevator=noop
or
echo noop > /sys/block/sda/queue/scheduler

$ vi /etc/rc.local
echo 1 > /proc/sys/vm/swappiness
echo 50 > /proc/sys/vm/vfs_cache_pressure

$ cd ~/.cache/mozilla/firefox/xn0c0okp.default ; rm -rf Cache ; ln -s /tmp Cache