官网
https://www.oracle.com/java/technologies/javase-jdk11-downloads.html
解压
[root@bogon ~]# tar zxf jdk-11.0.7_linux-x64_bin.tar.gz [root@dispatch001 opt]# ll total 381404 drwxr-xr-x 8 root root 4096 May 30 16:55 jdk-11.0.7 -rw-r--r-- 1 root root 181015877 May 30 16:54 jdk-11.0.7_linux-x64_bin.tar.gz -rwxr-xr-x 1 root root 209531101 May 30 16:53 sonarqube-7.9.3.zip
移动重命名
[root@dispatch001 opt]# mv jdk-11.0.7 /usr/local/java [root@dispatch001 opt]# ll /usr/local/java/ total 32 drwxr-xr-x 2 root root 4096 May 30 16:55 bin drwxr-xr-x 4 root root 4096 May 30 16:55 conf drwxr-xr-x 3 root root 4096 May 30 16:55 include drwxr-xr-x 2 root root 4096 May 30 16:55 jmods drwxr-xr-x 72 root root 4096 May 30 16:55 legal drwxr-xr-x 6 root root 4096 May 30 16:55 lib -r--r--r-- 1 10668 10668 160 Mar 12 09:15 README.html -rw-r--r-- 1 10668 10668 1256 Mar 12 09:15 release
配置环境变量
[root@dispatch001 opt]# vim /etc/profile export JAVA_HOME=/usr/local/java export JRE_HOME=/usr/local/java/jre export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:/lib/tools.jar:$JRE_HOME/lib:$CLASSPATH export PATH=$JAVA_HOME/bin:$PATH [root@dispatch001 opt]# source /etc/profile [root@dispatch001 opt]# java -version java version "11.0.7" 2020-04-14 LTS Java(TM) SE Runtime Environment 18.9 (build 11.0.7+8-LTS) Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.7+8-LTS, mixed mode)
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