Method 1:
1. Download install_flash_player_10_linux.tar.gzfrom the website http://get.adobe.com/flashplayer.
2. Unzip the package: tar-vzxf./install_flash_player_10_linux.tar.gz-C/tmp
3. Move the dynamic library to the appropriate Directory: sudo mv/tmp/libflashplayer. so/usr/lib/firefox-3.0.8/plugins/
4. Delete the font configuration file: sudo rm/etc/fonts/conf. d/49-sansserif. conf
Or:
Edit the 49-sansserif.conf file under/etc/fonts/conf. d.
① Sudo gedit/etc/fonts/conf. d/49-sansserif.conf
②. You can change the sans-serif of the first row to sans or replace it with your favorite font.
Copy to ClipboardReference: [www.bkjia.com] 1 <? Xml version = "1.0"?>
2 <! DOCTYPE fontconfig SYSTEM "fonts. dtd">
3 <fontconfig>
4 <! --
5 If the font still has no generic name, add sans-serif
6 -->
7 <match target = "pattern">
8 <test qual = "all" name = "family" compare = "not_eq">
9 <string> sans-serif </string>
10 </test>
11 <test qual = "all" name = "family" compare = "not_eq">
12 <string> serif </string>
13 </test>
14 <test qual = "all" name = "family" compare = "not_eq">
15 <string> monospace </string>
16 </test>
17 <edit name = "family" mode = "append_last">
18 <string> sans-serif </string>
19 </edit>
20 </match>
21 </fontconfig>
5. Restart Firefox.
Method 2:
Let Firefox automatically detect the flash plug-in installation.