Linux commands
User Administration
Adding a user to a group
1 | $ usermod -a -G GROUP USER # Add USER to GROUP |
Image manipulation
Converting image formats
- Using imageMagick. Image format is guessed from the extension. You can also specify new image height and width.
1 | $ convert FROM_IMG TO_IMAGE |
- Using inkscape. Gives better result than imageMagic for SVG image formats
1 | $ inkscape -z -e TO_IMAGE FROM_IMAGE |
Taking Screenshots
- Using imagemagick. Issuing this command will change the cusrsor to select a rectagular area. If clicked rather than selecting area entire active window will be captured. Image format will be guessed from the extension provided with the image name.
1 | $ import NAME |