Installation configuration and troubleshooting of PDF Reader in ubuntu

Ubuntu PDF Reader installation configuration and error solution for everyone to introduce the ubuntu PDF Reader okular [character kj character l character] Chinese meaning that this software is used to make you fall in love with him. Step 1: install sudo apt-get install okular step 2: press the F6 shortcut to open the annotation function. You will find it amazing. Step 3: If the Chinese configuration is displayed after installation, try as follows. If there is no problem, skip this step. Enter sudo apt-get install poppler-data in terminal. If not, enter sudo apt-get install poppler-utils again, it may be because some pdf files do not explicitly specify the font, and the system will display the text in English by default, resulting in a failure to display the Chinese font! Solution: sudo vi/etc/fonts/conf. d/49-sansserif.conf change <edit name = "family" mode = "append_last"> <string> sans-serif </string> </edit> to <edit name = "family" mode = "append_last"> <string> monospace </string> </edit> If the modified font monospace cannot be displayed, you can change it to to display it!