Linux Study Notes [2] -- how do I watch videos on the webpage? At least let me check the videos online! Research... 1. When the browser prompts you to install additional plug-ins, you click on the missing plug-ins to go to a web site (Adober, others I have not studied ). 2. Select the compressed package to download. 3. decompress the compressed package to a proper file. wherever you can. (I think the Download directory is fine ). 4. You will have a file named readme.txt in the extract directory. Don't hesitate to open it directly ($ vim readme.txt) 5. In the file, you need to put a. so file in a directory named plugins. This directory varies with different browsers. You can try CentOS (~ /. Mozilla/plugins), ubuntu, you can try,/usr/lib/firefox-addons/plugins 6, convert to the root identity, and then execute the following sentence: [plain] # cp-r usr/*/usr 7. Refresh the page you want to watch the video. A miracle has occurred !!