站長資訊網(wǎng)
        最全最豐富的資訊網(wǎng)站

        linux怎么查看jdk安裝路徑

        linux查看jdk安裝路徑的方法:1、使用“echo $JAVA_HOME”命令,可獲取環(huán)境變量“$JAVA_HOME”配置的jdk路徑;2、使用“rpm -qa | grep java”命令,通過獲取安裝包的路徑來查看jdk安裝路徑。

        linux怎么查看jdk安裝路徑

        本教程操作環(huán)境:linux5.9.8系統(tǒng)、Dell G3電腦。

        linux查看jdk安裝路徑

        方法1:使用echo $JAVA_HOME

        使用$JAVA_HOME的話能定位JDK的安裝路徑的前提是配置了環(huán)境變量$JAVA_HOME,否則如下所示,根本定位不到JDK的安裝路徑

        [root@localhost ~]# java -version java version "1.7.0_65" OpenJDK Runtime Environment (rhel-2.5.1.2.el6_5-x86_64 u65-b17) OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode) [root@localhost ~]# echo $JAVA_HOME

        linux怎么查看jdk安裝路徑

        方法2:使用rpm -qa | grep java

        如果JDK是源碼安裝的話,那么這個(gè)方法也是行不通的。也就是說rpm –ql packagename也是有一定局限性的。

        [root@localhost ~]# rpm -qa | grep java tzdata-java-2014g-1.el6.noarch java-1.6.0-openjdk-1.6.0.0-11.1.13.4.el6.x86_64 java-1.7.0-openjdk-1.7.0.65-2.5.1.2.el6_5.x86_64 [root@localhost ~]# rpm -ql java-1.7.0-openjdk-1.7.0.65-2.5.1.2.el6_5.x86_64 | more /etc/.java /etc/.java/.systemPrefs /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64 /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jaas-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jaas-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jaas.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jce-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jce-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jce.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jdbc-stdext-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jdbc-stdext-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jdbc-stdext-3.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jdbc-stdext.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-cos-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-cos-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-cos.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-ldap-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-ldap-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-ldap.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-rmi-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-rmi-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi-rmi.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jndi.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jsse-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jsse-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/jsse.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/sasl-1.7.0.65.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/sasl-1.7.0.jar /usr/lib/jvm-exports/java-1.7.0-openjdk-1.7.0.65.x86_64/sasl.jar /usr/lib/jvm-exports/jre-1.7.0-openjdk.x86_64 /usr/lib/jvm-private/java-1.7.0-openjdk.x86_64 /usr/lib/jvm-private/java-1.7.0-openjdk.x86_64/jce /usr/lib/jvm-private/java-1.7.0-openjdk.x86_64/jce/vanilla /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64 /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/ASSEMBLY_EXCEPTION /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/LICENSE /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/THIRD_PARTY_README /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/bin /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/bin/java /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/bin/keytool /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/bin/orbd /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/bin/pack200 /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/bin/policytool /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/bin/rmid /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/bin/rmiregistry --More--

        linux怎么查看jdk安裝路徑

        擴(kuò)展知識(shí):

        • 查看java版本號–使用java -version

        [root@localhost ~]# java -version java version "1.7.0_65" OpenJDK Runtime Environment (rhel-2.5.1.2.el6_5-x86_64 u65-b17) OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode)
        • 查看jdk的執(zhí)行路徑–使用which java

        which java定位到的是java程序的執(zhí)行路徑。網(wǎng)上的資料都是人云亦云,完全不去思考。那么怎么定位到j(luò)ava的安裝路徑呢?下面我們來看看例子吧,如下所示:

        [root@localhost ~]# which java /usr/bin/java [root@localhost ~]# ls -lrt /usr/bin/java lrwxrwxrwx. 1 root root 22 Aug 17 15:12 /usr/bin/java -> /etc/alternatives/java [root@localhost ~]# ls -lrt /etc/alternatives/java lrwxrwxrwx. 1 root root 46 Aug 17 15:12 /etc/alternatives/java -> /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java [root@localhost ~]#  [root@localhost ~]# cd /usr/lib/jvm [root@localhost jvm]# ls java-1.6.0-openjdk-1.6.0.0.x86_64 java-1.7.0-openjdk-1.7.0.65.x86_64 jre jre-1.6.0 jre-1.6.0-openjdk.x86_64 jre-1.7.0 jre-1.7.0-openjdk.x86_64 jre-openjdk [root@localhost jvm]#

        linux怎么查看jdk安裝路徑

        whereis java 也是如此,它本身不能定位到安裝路徑。可以通過上面例子去定位安裝路徑

        linux怎么查看jdk安裝路徑

        贊(0)
        分享到: 更多 (0)
        網(wǎng)站地圖   滬ICP備18035694號-2    滬公網(wǎng)安備31011702889846號
        主站蜘蛛池模板: 国产精品污视频| 国产精品人成在线观看| 四虎在线精品视频一二区| 亚洲国产精品毛片av不卡在线| 九九99精品久久久久久| 亚洲精品国产av成拍色拍| 91精品国产自产在线老师啪| 精品亚洲成a人片在线观看| 婷婷成人国产精品| 国产精品日日摸夜夜添夜夜添1国产精品va欧美精 | 99久久国产综合精品网成人影院| 欧美日韩综合精品| 国产精品无码永久免费888| 欧美国产日韩精品| 55夜色66夜色国产精品视频| 日韩精品专区在线影院重磅 | 亚洲福利精品一区二区三区| 国产精品内射视频免费| 久久久九九有精品国产| 国产精品麻豆高清在线观看| 国产精品99久久免费观看| 无码人妻精品一区二区| 亚洲欧美日韩国产成人精品影院| 久久91这里精品国产2020| 国产成人综合久久精品尤物| 青青青国产精品国产精品久久久久| 国产精品视频一区二区三区四| 久久精品国产亚洲AV麻豆网站 | 亚洲精品乱码久久久久66| 巨大黑人极品VIDEOS精品| 国内精品久久久久久久久| 精品欧美一区二区三区久久久| 国产精品国产三级国产AⅤ| 最新亚洲精品国自产在线观看| 久久精品国产免费| 亚洲精品国产成人99久久| 91av国产精品| 国产在线观看一区精品| 精品精品国产欧美在线小说区| 久久国产精品二国产精品| 久久精品国产精品亚洲人人 |