linux下安裝jdk(rmp方式)
阿新 • • 發佈:2018-12-21
一、初次在linux中安裝jdk(若以前裝過,需要先解除安裝舊的jdk) 以下命令在/usr/java目錄下執行
mkdir /usr/java
cd /usr/java
1.安裝wget命令
yum -y install wget
2.下載jdk1.8安裝包rmp
wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u191-b12/2787e4a523244c269598db4e85c51e0c/jdk-8u191-linux-x64.rpm"
3.檢視java檔案裡面jdk-8u191-linux-x64.rpm的許可權資訊
ll
4.加入x可執行許可權
chmod +x jdk-8u191-linux-x64.rpm
5.解壓到當前路徑
rpm -ivh jdk-8u191-linux-x64.rpm
6.檢查jdk是否安裝成功
java -version
7.配置環境變數
vi /etc/profile
在檔案裡面的最末尾加入以下內容
export JAVA_HOME=/usr/java/jdk1.8.0_191-amd64 export JAVA_BIN=/usr/java/jdk1.8.0_191-amd64/bin export PATH=$PATH:$JAVA_HOME/bin export ClASSPATH=:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export JAVA_HOME JAVA_BIN PATH ClASSPATH
chmod 755 jdk-8u191-linux-x64.rpm jdk-8u191-linux-x64.rpm
rpm -ivh jdk-7u71-linux-x64.rpm
rpm -ivh jdk-8u191-linux-x64.rpm