最近在CentOS6.4下使用其默认的文档查看器打开PDF文档时出现乱码的方块,有两种方法可以解决. 方法一:修改/etc/fonts/conf.d/49-sansserif.conf文件,如下: <?xml version="1.0"?> <!DOCTYPE fontconfig SYSTEM "fonts.dtd"> <fontconfig> <!-- If the font still has no gener…
一.快速入门1. 查看集群的健康状况http://localhost:9200/_cat http://localhost:9200/_cat/health?v 说明:v是用来要求在结果中返回表头 状态值说明 Green - everything is good (cluster is fully functional),即最佳状态Yellow - all data is available but some replicas are not yet allocated (cluster is…