0%
卸载 CentOS 自带 Java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
| [22:12:54] root :: sun ➜ ~ » rpm -qa|grep java
java-1.8.0-openjdk-1.8.0.262.b10-1.el7.x86_64
javapackages-tools-3.4.1-11.el7.noarch
tzdata-java-2020a-1.el7.noarch
python-javapackages-3.4.1-11.el7.noarch
java-1.8.0-openjdk-headless-1.8.0.262.b10-1.el7.x86_64
[22:13:44] root :: sun ➜ ~ » yum -y remove java-1.8.0-openjdk-headless.x86_64
Loaded plugins: fastestmirror, langpacks
Resolving Dependencies
Running transaction check
Package java-1.8.0-openjdk-headless.x86_64 1:1.8.0.262.b10-1.el7 will be erased
Processing Dependency: java-1.8.0-openjdk-headless(x86-64) = 1:1.8.0.262.b10-1.el7 for package: 1:java-1.8.0-openjdk-1.8.0.262.b10-1.el7.x86_64
Processing Dependency: libjava.so()(64bit) for package: 1:java-1.8.0-openjdk-1.8.0.262.b10-1.el7.x86_64
Processing Dependency: libjava.so(SUNWprivate_1.1)(64bit) for package: 1:java-1.8.0-openjdk-1.8.0.262.b10-1.el7.x86_64
Processing Dependency: libjvm.so()(64bit) for package: 1:java-1.8.0-openjdk-1.8.0.262.b10-1.el7.x86_64
Processing Dependency: libjvm.so(SUNWprivate_1.1)(64bit) for package: 1:java-1.8.0-openjdk-1.8.0.262.b10-1.el7.x86_64
Running transaction check
Package java-1.8.0-openjdk.x86_64 1:1.8.0.262.b10-1.el7 will be erased
Processing Dependency: java >= 1.5 for package: jline-1.0-8.el7.noarch
Processing Dependency: java-1.8.0-openjdk for package: icedtea-web-1.7.1-2.el7_6.x86_64
Running transaction check
Package icedtea-web.x86_64 0:1.7.1-2.el7_6 will be erased
Package jline.noarch 0:1.0-8.el7 will be erased
Processing Dependency: jline for package: rhino-1.7R5-1.el7.noarch
Running transaction check
Package rhino.noarch 0:1.7R5-1.el7 will be erased
Finished Dependency Resolution
Dependencies Resolved
========================================================================================================
Package Arch Version Repository Size
========================================================================================================
Removing:
java-1.8.0-openjdk-headless x86_64 1:1.8.0.262.b10-1.el7 @anaconda 109 M
Removing for dependencies:
icedtea-web x86_64 1.7.1-2.el7_6 @anaconda 2.3 M
java-1.8.0-openjdk x86_64 1:1.8.0.262.b10-1.el7 @anaconda 646 k
jline noarch 1.0-8.el7 @anaconda 72 k
rhino noarch 1.7R5-1.el7 @anaconda 1.1 M
Transaction Summary
========================================================================================================
Remove 1 Package (+4 Dependent packages)
Installed size: 113 M
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Erasing : icedtea-web-1.7.1-2.el7_6.x86_64 1/5
Erasing : rhino-1.7R5-1.el7.noarch 2/5
Erasing : jline-1.0-8.el7.noarch 3/5
Erasing : 1:java-1.8.0-openjdk-1.8.0.262.b10-1.el7.x86_64 4/5
Erasing : 1:java-1.8.0-openjdk-headless-1.8.0.262.b10-1.el7.x86_64 5/5
Verifying : 1:java-1.8.0-openjdk-headless-1.8.0.262.b10-1.el7.x86_64 1/5
Verifying : 1:java-1.8.0-openjdk-1.8.0.262.b10-1.el7.x86_64 2/5
Verifying : rhino-1.7R5-1.el7.noarch 3/5
Verifying : icedtea-web-1.7.1-2.el7_6.x86_64 4/5
Verifying : jline-1.0-8.el7.noarch 5/5
Removed:
java-1.8.0-openjdk-headless.x86_64 1:1.8.0.262.b10-1.el7
Dependency Removed:
icedtea-web.x86_64 0:1.7.1-2.el7_6 java-1.8.0-openjdk.x86_64 1:1.8.0.262.b10-1.el7
jline.noarch 0:1.0-8.el7 rhino.noarch 0:1.7R5-1.el7
Complete!
[22:14:08] root :: sun ➜ ~ »
[22:14:09] root :: sun ➜ ~ »
[22:14:09] root :: sun ➜ ~ » rpm -qa|grep java
javapackages-tools-3.4.1-11.el7.noarch
tzdata-java-2020a-1.el7.noarch
python-javapackages-3.4.1-11.el7.noarch
|
配置 Java 环境
编辑 ~/.bashrc 文件，添加：
1
2
3
4
5
6
|
export JAVA_HOME=/usr/local/bin/java/jdk1.8.0_231
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
|
source ~/.bashrc 使修改生效