Archive for the ‘Technical’ Category

Problem Booting Ubuntu 19.10 with UHD 630 Driver

November 29, 2019 Leave a comment

With the onboard Intel UHD 630 driver, booting into Ubuntu 19.10 will freeze after some 10 sec. problem is with Ubuntu 19.10 linux kernel 5.3.0. It is fixed in linux 5.3.10 & above.

To fix, install linux kernel 5.4 from;O=D

Installation instruction available at

Categories: Technical

How to Solve Activation Issue Draftsight CAD Software [free version]

October 13, 2016 Leave a comment

Draftsight is Autocad like  2D & 3D CAD software application supports Dwg file.

Some cases, you are unable to activate Draftsight CAD Software. Activation Window keeps pop-up every time.

For Linux :
This is useful for Fedora, Ubuntu, Arch distributions.
Remove following folder from your home directory

/home/username/.config/Dassault Systemes

rm -r .config/Dassault Systemes
rm -r .config/DraftSight
rm -r .config/SWActivation

Again Try Activation by Open Draftsight.

For Windows

Remove Dassault Systemes & DraftSight folder from user Application data

Then Open Registry Editor by following method

Start -> Run [Shortcut : Win+R] -> enter regedit.

Find [Shortcut : Alt+F] SWActivation

Rename or Remove key[Preferred Rename]

Again Try Activation by Open Draftsight.


Paste Spreadsheet from libreoffice / openoffice Calc to thunderbird

December 13, 2013 Comments off

When we paste Spreadsheet from libreoffice / openoffice Calc table into Thunderbird, the table data & text get shrinked.

Before pasting Table

Before pasting Table


During Pasting Table

During Pasting Table


To avoid this, press ‘ctr+del’ in keyboard after pasting & table & text become normal size.

After pressing ctr+del, text change to normal size

After pressing ctr+del, text change to normal size


Fix Flash Video is half or green or not proper problem on intel graphics card

To Fix Flash Video is showing half width or green or not proper problem on Intel on board graphics card on Ubuntu or fedora

This is due to SNA mode enabled default in video acceleration for old Intel on board graphics card. You need to enable UXA mode.

To do that You need to create a xorg.conf file as shown below.

Section “ServerLayout”
Identifier     “ Configured”
Screen      0  “Screen0” 0 0
InputDevice    “Mouse0” “CorePointer”
InputDevice    “Keyboard0” “CoreKeyboard”

Section “Files”
ModulePath   “/usr/lib/xorg/modules”
FontPath     “/usr/share/fonts/X11/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/share/fonts/X11/100dpi”
FontPath     “/usr/share/fonts/X11/75dpi”
FontPath     “/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType”
FontPath     “built-ins”

Section “Module”
Load  “glx”

Section “InputDevice”
Identifier  “Keyboard0”
Driver      “kbd”

Section “InputDevice”
Identifier  “Mouse0”
Driver      “mouse”
Option        “Protocol” “auto”
Option        “Device” “/dev/input/mice”
Option        “ZAxisMapping” “4 5 6 7”

Section “Monitor”
Identifier   “Monitor0”
VendorName   “Monitor Vendor”
ModelName    “Monitor Model”

Section “Device”
Identifier “Intel”
Driver “intel”
Option “AccelMethod” “UXA”

Section “Screen”
Identifier “Screen0”
Device     “Intel”
Monitor    “Monitor0”
DefaultDepth    24
SubSection “Display”
Depth        1
Modes        “1280×1024” “1024×768”
SubSection “Display”
Depth        4
Modes        “1280×1024” “1024×768”
SubSection “Display”
Depth        8
Modes        “1280×1024” “1024×768”
SubSection “Display”
Depth        15
Modes        “1280×1024” “1024×768”
SubSection “Display”
Depth        16
Modes        “1280×1024” “1024×768”
SubSection “Display”
Depth        24
Modes        “1280×1024” “1024×768”

You need edit screen modes to your current monitor.

Save the above file with following name xorg.conf in home directory. then copy to /etc/X11 folder

cp xorg.conf /etc/X11/xorg.conf

Then restart the display server or restart computer. You will able to see flash videos properly again.

Note : you need to edit file to get work display. If not working properly delete the xorg.conf from X11 folder & restart computer.

Turn off / Add water Mark in Libre office

May 24, 2013 9 comments

Some cases you need to remove water mark received in MS office file [doc] or you need to add water mark in Libreoffice file.

To remove MS office water mark, You need to understand what it is. It is a word art anchored in ‘header’ positioned in the center of page [Libreoffice treat it as word art].

Selection can be done by change navigation to drawing & delete the word art.

Select ‘navigator’ shown in center button in the ellipse & change the selection mode to’ drawing’ as shown in the rectangle.

Then using navigation arrow shown below rectangle[bottom downward double arrow], select the graphics & delete the water mark.


Same way, you can add water mark in libre office writer odt file.

  • Add a header in the page


  • Add a text box from drawing toolbar anchored in the header .



  • Add text required as water mark & Change text colour to light gray or variation of gray.


  • Rotate Text box to required degree


  • Center Text box to page.


  • Now you will have water mark in all pages.


Note : You can also associate header to one page style & control water mark where ever required. for editing, you can select using navigator –> drawing navigator shown in the above write up. then move text using arrow in the keyboard[mouse is not available to select].

Shortcut key for repeat a command in Libreoffice calc

May 14, 2013 1 comment

Sometimes we need to repeat a command in libreoffice as we do microsoft ofice. Short cut key is not a assigned as default. so We need to set it.

Go to Tools -> customize


In customize -> switch to keyboard tab.


In bottom, change ‘category’ to edit & change ‘function’  to repeat. Then assign a shortcut key using ‘modify’ button in short key area as shown below.