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ifconfig命令报错ifconfig: command not found解决1.不能ping通，说明网卡未启用2.修改网络配置cd /etc/sysconfig/network-scripts vi ifcfg-eth0 #文件名可能不一样3.重启网卡service network restart...

1.数据库权限问题：开放权限grant [权限] on [数据库名].[表名] to ['用户名']@['web服务器的ip地址'] identified by ['密码'];grant all on *.* to 'root'@'%' identified by 'root';或者指定IP地址grant all on *.* to 'root'@'192.168.1.103' id...

vim/etc/profile#set java envJAVA_HOME=/usr/local/src/jdk1.8JAVA_BIN=/usr/local/src/jdk1.8/binPATH=$JAVA_HOME/bin:$PATHCLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jarexport JAV...