linux安装jdk以及配置防火墙开放端口，linuxjdk

linux安装jdk以及配置防火墙开放端口，linuxjdk

java 环境安装


vi /etc/profile


export JAVA_HOME=/usr/local/java/jdk1.7.0_55
export JRE_HOME=/usr/local/java/jdk1.7.0_55/jre
export PATH=$PATH:/usr/local/java/jdk1.7.0_55/bin
export CLASSPATH=./:/usr/local/java/jdk1.7.0_55/lib:/usr/local/java/jdk1.7.0_55/jre/lib


source /etc/profile


如果不能生效输入指令
sudo yum install glibc.i686




cd 


vi /etc/sysconfig/iptables
:RH-Firewall-1-INPUT - [0:0]
-A INPUT -j RH-Firewall-1-INPUT
-A FORWARD -j RH-Firewall-1-INPUT
-A RH-Firewall-1-INPUT -i lo -j ACCEPT
-A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 8090 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT


将iptables服务重启
service iptables restart