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sysctl.conf

net.ipv4.icmp_ignore_bogus_error_responses = 1

net.ipv4.conf.all.send_redirects = 0

kernel.panic_on_oops = 1

kernel.panic = 30

kernel.panic_on_unrecovered_nmi = 1

kernel.softlockup_panic = 1

vm.panic_on_oom = 1

net.core.rmem_max = 6553500

net.core.wmem_max = 4915200

net.ipv4.tcp_rmem = 6684 655360 6553500

net.ipv4.tcp_wmem = 3072 491520 4915200

net.ipv4.tcp_window_scaling = 1

net.core.somaxconn = 512

net.ipv4.tcp_fin_timeout = 20

net.ipv4.ip_local_port_range = 23000    63000

net.ipv4.tcp_abort_on_overflow = 1

net.ipv4.tcp_retries2 = 10

net.ipv4.tcp_keepalive_time = 1800

net.ipv4.tcp_max_syn_backlog=2048

net.ipv4.tcp_synack_retries=3

Swig

As a dependency of subversion

./configure --with-python=/usr/bin/python --with-perl=/usr/bin/perl --prefix=/opt/swig

Subversion

./configure  --with-ssl --prefix=/opt/subversion \
--with-apr-util=/opt/apu/bin/apu-1-config \
--without-berkeley-db --with-apxs=/usr/bin/apxs2 \
--disable-mod-activation --with-swig=/opt/swig

Firefox

+integer value content.notify.backoffcount = 5
+integer value nglayout.initialpaint.delay = 0
network.dns.disableIPv6=true
+browser.cache.memory.capacity=32768

Dual monitor

ATI's driver sucks. Don't get an ATI card and the following is just useful when one's stuck with it. This gives me 2 screens where window can be dragged to each other. Compiz is also working (after removing .gconf and .gconfd). The only outstanding issue is video flickering during horizontal panning.

ATI

Section "ServerLayout"
	Identifier     "aticonfig Layout"
	Screen      0  "aticonfig-Screen[0]-0" 0 0
EndSection

Section "Files"
EndSection

Section "Module"
EndSection

Section "ServerFlags"
	Option	    "Xinerama" "off"
EndSection

Section "Monitor"
	Identifier   "aticonfig-Monitor[0]-0"
	Option	    "VendorName" "ATI Proprietary Driver"
	Option	    "ModelName" "Generic Autodetecting Monitor"
	Option	    "DPMS" "true"
EndSection

Section "Monitor"
	Identifier   "aticonfig-Monitor[0]-1"
	Option	    "VendorName" "ATI Proprietary Driver"
	Option	    "ModelName" "Generic Autodetecting Monitor"
	Option	    "DPMS" "true"
EndSection

Section "Monitor"
	Identifier   "0-DFP1"
	Option	    "VendorName" "ATI Proprietary Driver"
	Option	    "ModelName" "Generic Autodetecting Monitor"
	Option	    "DPMS" "true"
	Option	    "PreferredMode" "1680x1050"
	Option	    "TargetRefresh" "60"
	Option	    "Position" "0 0"
	Option	    "Rotate" "normal"
	Option	    "Disable" "false"
EndSection

Section "Monitor"
	Identifier   "0-DFP3"
	Option	    "VendorName" "ATI Proprietary Driver"
	Option	    "ModelName" "Generic Autodetecting Monitor"
	Option	    "DPMS" "true"
	Option	    "PreferredMode" "1280x720"
	Option	    "TargetRefresh" "60"
	Option	    "Position" "1440 0"
	Option	    "Rotate" "normal"
	Option	    "Disable" "false"
EndSection

Section "Device"
	Identifier  "aticonfig-Device[0]-0"
	Driver      "fglrx"
	Option	    "OpenGLOverlay" "on"
	Option	    "Capabilities" "0x00000800"
	Option	    "Monitor-DFP1" "0-DFP1"
	Option	    "Monitor-DFP3" "0-DFP3"
	Option	    "OverlayOnCRTC2" "1"
	BusID       "PCI:1:0:0"
EndSection

Section "Device"
	Identifier  "aticonfig-Device[0]-1"
	Driver      "fglrx"
	BusID       "PCI:1:0:0"
	Screen      1
EndSection

Section "Screen"
	Identifier "aticonfig-Screen[0]-0"
	Device     "aticonfig-Device[0]-0"
	Monitor    "aticonfig-Monitor[0]-0"
	DefaultDepth     24
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection

Section "Screen"
	Identifier "aticonfig-Screen[0]-1"
	Device     "aticonfig-Device[0]-1"
	Monitor    "aticonfig-Monitor[0]-1"
	DefaultDepth     24
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection

Mplayer

ATI

./configure --enable-dynamic-plugins --enable-runtime-cpudetection --enable-xv --enable-vdpau

For nvidia, might wanna include vpdau. To list compiled in ao and vo, do a

mplayer -ao help
mplayer -vo help

Something to test with

Section “ServerLayout”
Identifier “Default Layout”
Screen 0 “Laptop Screen” 0 0
Screen 1 “Samsung Screen” RightOf “Laptop Screen”
# DualHead means two monitors
Option “DualHead” “true”
Inputdevice “Generic Keyboard”
Inputdevice “Configured Mouse”
Inputdevice “stylus” “SendCoreEvents”
Inputdevice “cursor” “SendCoreEvents”
Inputdevice “eraser” “SendCoreEvents”
Inputdevice “Synaptics Touchpad”
EndSection

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