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  • 在linux上使用yum安装JDK

    1.查找java相关得列表

    [qyf@localhost ~]$ yum -y list java*

    执行结果

    1. [qyf@localhost ~]$ yum -y list java*
    2. Loaded plugins: fastestmirror
    3. base | 1.1 kB 00:00
    4. base/primary | 995 kB 00:00
    5. base 2789/2789
    6. extras | 2.1 kB 00:00
    7. extras/primary_db | 164 kB 00:20
    8. updates | 1.9 kB 00:00
    9. updates/primary_db | 422 kB 00:01
    10. Available Packages
    11. java-1.4.2-gcj-compat.i386 1.4.2.0-40jpp.115 base
    12. java-1.4.2-gcj-compat-devel.i386 1.4.2.0-40jpp.115 base
    13. java-1.4.2-gcj-compat-javadoc.i386 1.4.2.0-40jpp.115 base
    14. java-1.4.2-gcj-compat-src.i386 1.4.2.0-40jpp.115 base
    15. java-1.6.0-openjdk.i386 1:1.6.0.0-5.1.13.3.el5_10 updates
    16. java-1.6.0-openjdk-demo.i386 1:1.6.0.0-5.1.13.3.el5_10 updates
    17. java-1.6.0-openjdk-devel.i386 1:1.6.0.0-5.1.13.3.el5_10 updates
    18. java-1.6.0-openjdk-javadoc.i386 1:1.6.0.0-5.1.13.3.el5_10 updates
    19. java-1.6.0-openjdk-src.i386 1:1.6.0.0-5.1.13.3.el5_10 updates
    20. java-1.7.0-openjdk.i386 1:1.7.0.55-2.4.7.1.el5_10 updates
    21. java-1.7.0-openjdk-demo.i386 1:1.7.0.55-2.4.7.1.el5_10 updates
    22. java-1.7.0-openjdk-devel.i386 1:1.7.0.55-2.4.7.1.el5_10 updates
    23. java-1.7.0-openjdk-javadoc.i386 1:1.7.0.55-2.4.7.1.el5_10 updates
    24. java-1.7.0-openjdk-src.i386 1:1.7.0.55-2.4.7.1.el5_10 updates
    25. java_cup.i386 1:0.10-0.k.6jpp.1 base
    26. java_cup-javadoc.i386 1:0.10-0.k.6jpp.1 base
    27. java_cup-manual.i386 1:0.10-0.k.6jpp.1 base
    28. javacc.i386 4.0-3jpp.3 base
    29. javacc-demo.i386 4.0-3jpp.3 base
    30. javacc-manual.i386 4.0-3jpp.3 base

    2.使用root用户安装
    安装时提醒必须使用root用户，sudo都不行。

    [qyf@localhost ~]$ yum -y install java-1.6.0-openjdk*

    执行结果

    1. [qyf@localhost ~]$ yum -y install java-1.6.0-openjdk*
    2. Loaded plugins: fastestmirror
    3. Loading mirror speeds from cached hostfile
    4. * base: mirror.bit.edu.cn
    5. * extras: mirror.bit.edu.cn
    6. * updates: centos.ustc.edu.cn
    7. base | 1.1 kB 00:00
    8. base/primary | 995 kB 00:07
    9. base 2789/2789
    10. extras | 2.1 kB 00:00
    11. extras/primary_db | 164 kB 00:02
    12. updates | 1.9 kB 00:00
    13. updates/primary_db | 422 kB 00:07
    14. Setting up Install Process
    15. Resolving Dependencies
    16. --> Running transaction check
    17. ---> Package java-1.6.0-openjdk.i386 1:1.6.0.0-5.1.13.3.el5_10 set to be updated
    18. --> Processing Dependency: jpackage-utils >= 1.7.3-1jpp.2 for package: java-1.6.0-openjdk
    19. --> Processing Dependency: libgif.so.4 for package: java-1.6.0-openjdk
    20. --> Processing Dependency: tzdata-java for package: java-1.6.0-openjdk
    21. ---> Package java-1.6.0-openjdk-demo.i386 1:1.6.0.0-5.1.13.3.el5_10 set to be updated
    22. ---> Package java-1.6.0-openjdk-devel.i386 1:1.6.0.0-5.1.13.3.el5_10 set to be updated
    23. ---> Package java-1.6.0-openjdk-javadoc.i386 1:1.6.0.0-5.1.13.3.el5_10 set to be updated
    24. ---> Package java-1.6.0-openjdk-src.i386 1:1.6.0.0-5.1.13.3.el5_10 set to be updated
    25. --> Running transaction check
    26. ---> Package giflib.i386 0:4.1.3-7.3.3.el5 set to be updated
    27. ---> Package jpackage-utils.noarch 0:1.7.3-1jpp.3.el5 set to be updated
    28. ---> Package tzdata-java.i386 0:2014b-1.el5 set to be updated
    29. --> Finished Dependency Resolution
    31. Dependencies Resolved
    33. ================================================================================
    34. Package Arch Version Repository
    35. Size
    36. ================================================================================
    37. Installing:
    38. java-1.6.0-openjdk i386 1:1.6.0.0-5.1.13.3.el5_10 updates 44 M
    39. java-1.6.0-openjdk-demo i386 1:1.6.0.0-5.1.13.3.el5_10 updates 2.2 M
    40. java-1.6.0-openjdk-devel i386 1:1.6.0.0-5.1.13.3.el5_10 updates 15 M
    41. java-1.6.0-openjdk-javadoc i386 1:1.6.0.0-5.1.13.3.el5_10 updates 20 M
    42. java-1.6.0-openjdk-src i386 1:1.6.0.0-5.1.13.3.el5_10 updates 39 M
    43. Installing for dependencies:
    44. giflib i386 4.1.3-7.3.3.el5 base 39 k
    45. jpackage-utils noarch 1.7.3-1jpp.3.el5 base 60 k
    46. tzdata-java i386 2014b-1.el5 updates 172 k
    48. Transaction Summary
    49. ================================================================================
    50. Install 8 Package(s)
    51. Upgrade 0 Package(s)
    53. Total download size: 120 M
    54. Downloading Packages:
    55. (1/8): giflib-4.1.3-7.3.3.el5.i386.rpm | 39 kB 00:00
    56. (2/8): jpackage-utils-1.7.3-1jpp.3.el5.noarch.rpm | 60 kB 00:00
    57. (3/8): tzdata-java-2014b-1.el5.i386.rpm | 172 kB 00:04
    58. (4/8): java-1.6.0-openjdk-demo-1.6.0.0-5.1.13.3.el5_10.i386.rpm | 2.2 MB 00:47
    59. (5/8): java-1.6.0-openjdk-devel-1.6.0.0-5.1.13.3.el5_10.i386.rpm | 15 MB 04:25
    60. (6/8): java-1.6.0-openjdk-javadoc-1.6.0.0-5.1.13.3.el5_10.i386.rpm (17%) 19% [============ ] 81 kB/s | 3.8 MB 03:19 ETA

    最后一行就是在下载jdk了，这里我们安装jdk1.6相关得全部包。

    3.确认是否安装成功
    [qyf@localhost ~]$ java -version

    执行结果

    1. [qyf@localhost ~]$ java -version
    2. java version "1.6.0_30"
    3. OpenJDK Runtime Environment (IcedTea6 1.13.3) (rhel-5.1.13.3.el5_10-i386)
    4. OpenJDK Client VM (build 23.25-b01, mixed mode)

    正确显示了jdk版本信息就说明安装成功了。

    4.默认情况下jdk安装得路径

    /usr/lib/jvm

    由于我们得机器可能同时安装好几个版本得jdk，所以在/etc/alternatives目录下会有一个java链接到具体的java命令。而这个/etc/alternatives/java会被/usr/bin/java链接。从而java命令就被设置到了shell环境中。

     
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  • 原文地址：https://www.cnblogs.com/xinjie10001/p/6287384.html
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