centos6.5_64 java 環境變量配置
阿新 • • 發佈:2018-08-25
ons bogon != www ora cal .tar.gz dev usr jdk下載地址:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
解壓
1、mkdir /usr/local/java
2、cp jdk-8u181-linux-x64.tar.gz /usr/local/java
安裝
解壓:
tar xvf jdk-8u181-linux-x64.tar.gz
配置:
[root@bogon jdk1.8.0_181]# vim /etc/profile # /etc/profile # System wide environment and startup programs, for login setup # Functions and aliases go in /etc/bashrc # It‘s NOT a good idea to change this file unless you know what you # are doing. It‘s much better to create a custom.sh shell script in # /etc/profile.d/ to make custom changes to your environment, as this # will prevent the need for merging in future updates. pathmunge () { case ":${PATH}:" in *:"$1":*) ;; *) if [ "$2" = "after" ] ; then PATH=$PATH:$1 else PATH=$1:$PATH fi esac } if [ -x /usr/bin/id ]; then if [ -z "$EUID" ]; then # ksh workaround EUID=`id -u` UID=`id -ru` fi USER="`id -un`" LOGNAME=$USER MAIL="/var/spool/mail/$USER" fi # Path manipulation if [ "$EUID" = "0" ]; then pathmunge /sbin pathmunge /usr/sbin pathmunge /usr/local/sbin else pathmunge /usr/local/sbin after pathmunge /usr/sbin after pathmunge /sbin after fi "/etc/profile" 78L, 1796C 1,1 頂端 for i in /etc/profile.d/*.sh ; do if [ -r "$i" ]; then if [ "${-#*i}" != "$-" ]; then . "$i" else . "$i" >/dev/null 2>&1 fi fi done unset i unset -f pathmunge export JAVA_HOME=/usr/local/java/jdk1.8.0_181 export JRE_HOME=${JAVA_HOME}/jre export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib export PATH=${JAVA_HOME}/bin:$PATH
生效:
[root@bogon jdk1.8.0_181]# source /etc/profile
[root@bogon jdk1.8.0_181]#
[root@bogon jdk1.8.0_181]#
[root@bogon jdk1.8.0_181]# java -version
java version "1.8.0_181"
Java(TM) SE Runtime Environment (build 1.8.0_181-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)
centos6.5_64 java 環境變量配置