linux版本jdk1.8安裝步驟
1、上傳檔案
將jdk-8u231-linux-x64.rpm 移動到:/opt目錄,
2、給檔案賦權限
給安裝包賦予運行權限
cd /opt
chmod 777 jdk-8u231-linux-x64.rpm
3、安裝
安裝:(注意空格)
rpm -i jdk-8u231-linux-x64.rpm
默認jdk的安裝路徑是/usr/java
4、設定環境變數
設定環境變數
vi /etc/profile
unset i
unset -f pathmunge
export PATH=
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PATH:/usr/local/mysql/bin JAVA_HOME=/usr/java/jdk1.8.0_231-amd64 PATH=
PATH:/usr/local/mysql/binJAVAH?OME=/usr/java/jdk1.8.02?31?amd64PATH=JAVA_HOME/bin:
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PATH CLASSPATH=.:
PATHCLASSPATH=.:JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME
export PATH
export CLASSPATH
5、使生效
使生效
source /etc/profile
6、校驗
驗證:
java -version
[root@PHIS-SERVER-024 opt]# java -version
openjdk version “1.8.0_65”
OpenJDK Runtime Environment (build 1.8.0_65-b17)
OpenJDK 64-Bit Server VM (build 25.65-b01, mixed mode)
[root@PHIS-SERVER-024 opt]#
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