Search* set the monitor sync/refresh rate (it won't start without for an old crt not supporting ddc)
* set Option "NoAccel" "true" (screen distortions)
* touchpad only works with dual screen
* instabilities with two different cards (via / ati - resolved by using only ati card that has two VGA connectors)
Testing with: #> X -config /absolutepath/xorg.conf -verbose
xinerama xorg.conf:
Section "Files"dual head xorg.conf:
FontPath "/usr/share/X11/fonts/misc"
FontPath "/usr/share/X11/fonts/75dpi/:unscaled"
FontPath "/usr/share/X11/fonts/75dpi"
EndSection
Section "Module"
Load "i2c"
Load "bitmap"
Load "ddc"
Load "dri"
Load "extmod"
SubSection "extmod"
Option "omit xfree86-dga"
EndSubSection
Load "int10"
Load "vbe"
Load "dbe"
EndSection
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "ru,us"
Option "XkbOptions" "grp:caps_toggle"
EndSection
Section "InputDevice"
Identifier "Generic Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ExplorerPS/2"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "true"
EndSection
Section "Device"
Identifier "dev0"
Driver "via"
BusID "PCI:1:0:0"
Screen 0
EndSection
Section "Device"
Identifier "dev1"
Driver "mga"
BusID "PCI:0:20:0"
Screen 1
EndSection
Section "Monitor"
Identifier "monitor0"
Option "DPMS"
EndSection
Section "Monitor"
Identifier "monitor1"
Option "DPMS"
HorizSync 28-50
VertRefresh 60-85
EndSection
Section "Screen"
Identifier "screen0"
Device "dev0"
Monitor "monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "1024x768"
EndSubSection
EndSection
Section "Screen"
Identifier "screen1"
Device "dev1"
Monitor "monitor1"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "1024x768"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
InputDevice "Generic Keyboard"
InputDevice "Generic Mouse"
Screen "screen0"
Screen "screen1" RightOf "screen0"
EndSection
Section "DRI"
Mode 0666
EndSection
Section "ServerFlags"
Option "Xinerama" "on"
EndSection
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen0"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/etc/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/X11R6/lib/X11/fonts/misc"
FontPath "/usr/share/fonts/X11/cyrillic"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
FontPath "/usr/share/fonts/X11/Type1"
FontPath "/usr/X11R6/lib/X11/fonts/Type1"
FontPath "/usr/share/fonts/X11/100dpi"
FontPath "/usr/share/fonts/X11/75dpi"
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection
Section "Module"
Load "extmod"
Load "GLcore"
Load "dbe"
Load "dri"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "ru,us"
Option "XkbOptions" "grp:caps_toggle"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "PHL"
ModelName "PHILIPS 107E"
HorizSync 30.0 - 70.0
VertRefresh 50.0 - 160.0
Option "DPMS"
EndSection
Section "Monitor"
Identifier "Monitor1"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
Option "NoAccel" "true"
Identifier "Card0"
Driver "ati"
VendorName "ATI Technologies Inc"
BoardName "Radeon RV100 QY [Radeon 7000/VE]"
BusID "PCI:0:20:0"
Screen 0
EndSection
Section "Device"
Option "NoAccel" "true"
Identifier "Card1"
Driver "ati"
VendorName "ATI Technologies Inc"
BoardName "Radeon RV100 QY [Radeon 7000/VE]"
BusID "PCI:0:20:0"
Screen 1
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "1024x768"
EndSubSection
EndSection
Section "Screen"
Identifier "Screen1"
Device "Card1"
Monitor "Monitor1"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "1024x768"
EndSubSection
EndSection
Section "ServerFlags"
Option "AllowMouseOpenFail" "true"
Option "DontVTSwitch" "true"
Option "DontZap" "true"
Option "DontZoom" "true"
Option "BlankTime" "0"
Option "StandbyTime" "0"
Option "SuspendTime" "0"
Option "OffTime" "0"
EndSection
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xorg ati/radeon video driver for ES1000 has DRI disabled
As a workaraound i changed ChipID in xorg.conf to "0x515a"
suggested by http://ubuntuforums.org/showpost.php?p= ... stcount=15
Section "Device"
Identifier "ATI Technologies Inc ES1000"
Driver "ati"
ChipID 0x515a
EndSection
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Because udev didn't know anything of idVendor or idProduct if you remove a device i use ENV{PRODUCT} to match for my unplugged device:
ACTION=="add", KERNEL=="event*", SUBSYSTEM=="input", \
SYSFS{idVendor}=="1234", SYSFS{idProduct}=="5678", \
SYMLINK+="input/myevent"
ACTION=="remove", SUBSYSTEM=="usb", \
ENV{PRODUCT}=="1234/5678/100", \
RUN+="/usr/bin/killall myprog"
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File Permissions
| Action | --- | r-- | -w- | --x | rw- | r-x | -wx | rwx | r-s |
| read - cat file | no | yes | no | no | yes | yes | no | yes | |
| write - ls /tmp >> file | no | no | yes | no | yes | no | yes | yes | |
| write - ls /tmp > file | no | no | yes | no | yes | no | yes | yes | |
| remove file | yes* | yes* | yes | yes* | yes | yes* | yes | yes | |
| executing a script | no | no | no | no | no | yes | no | yes | yes** |
yes*: These files gave a "rm: remove write-protected file 'filename'?" error. Saying "yes" removes these files. Also performing a "rm -rf" file removes the file without any warning. The ability to remove a file is controlled at the directory level.
yes**: execute a file with permission of owner or group
Directory Permissions
| Action | --- | r-- | -w- | --x | rw- | r-x | -wx | rwx |
| cd into directory | no | no | no | yes | no | yes | yes | yes |
| ls directory | no | yes* | no | no | yes* | yes | no | yes |
| file name completion | no | yes | no | no | yes | yes | no | yes |
| create new file in dir. | no | no | no | no | no | no | yes | yes |
| read file in dir. | no | no | no | yes | no | yes | yes | yes |
| modify file in dir. | no | no | no | yes | no | yes | yes | yes |
| remove files | no | no | no | no | no | no | yes | yes |
| execute script | no | no | no | yes | no | yes | yes | yes |
ls = yes* - Only the files are listed with error. No other file attributes are able to be listed. File name completion works in these cases as well.
t - Save text attribute (sticky bit): The user may delete or modify only those files in the directory that they own or have write permission for (/tmp).
s - Set group ID: files in that directory will have the group ownership as the directory, instead of than the group of the user that created the file
If you want to have full access to a directory with 2 different users in different groups make a new group and add both users.
addgroup newgroup
adduser user1 newgroup
adduser user2 newgroup
chown root:newgroup /directory
chmod 775 /directory
You do not need to use group ID (s-Flag).
You can use these commands to set 755 on directories and 644 on files
find -type f -exec chmod 644 {} \;
find -type d -exec chmod 755 {} \;
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sudo sysctl vm.block_dump=1
or
echo 1 > /proc/sys/vm/block_dump
tail -f /var/log/kern.log
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