blocks|key|989687|text|@Sventeck，perfecto。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|989688|redhat文档总是一个很好的源码教程，它解释了如何通过yum安装JDK，然后可以在这里找到设置路径(祝你玩得开心！)-+Install+OpenJDK+and+set+$JAVA_HOME+path|offset|length|989689|OpenJDK+6：|989690|yum+install+java-1.6.0-openjdk-devel|code-block|syntax|javascript|989691|OpenJDK+7：|989692|yum+install+java-1.7.0-openjdk-devel|989693|要列出所有可用的java+openjdk-devel包，请尝试：|989694|yum+list+"java-*-openjdk-devel"|989695|entityMap|0|LINK|mutability|MUTABLE|url|https://access.redhat.com/site/documentation/en-US/JBoss_Enterprise_Application_Platform/6/html/Installation_Guide/Install_OpenJDK_on_Red_Hat_Enterprise_Linux.html^0|0|1P|13|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|13|8|@]|9|@$D|14|E|15|1|16]]|A|$]]|$1|F|3|G|5|6|7|17|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|18|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|19|8|@]|9|@]|A|$]]|$1|O|3|P|5|J|7|1A|8|@]|9|@]|A|$K|L]]|$1|Q|3|R|5|6|7|1B|8|@]|9|@]|A|$]]|$1|S|3|T|5|J|7|1C|8|@]|9|@]|A|$K|L]]|$1|U|3|-4|5|6|7|1D|8|@]|9|@]|A|$]]]|V|$W|$5|X|Y|Z|A|$10|11]]]]

@Sventeck, perfecto.

redhat docs are always a great source - good tutorial that explains how to install JDK via yum and then setting the path can be found here (have fun!) - <a href="https://access.redhat.com/site/documentation/en-US/JBoss_Enterprise_Application_Platform/6/html/Installation_Guide/Install_OpenJDK_on_Red_Hat_Enterprise_Linux.html" rel="nofollow noreferrer">Install OpenJDK and set $JAVA_HOME path</a>

OpenJDK 6:

<pre><code>yum install java-1.6.0-openjdk-devel
</code></pre>

OpenJDK 7:

<pre><code>yum install java-1.7.0-openjdk-devel
</code></pre>

To list all available java openjdk-devel packages try:

<pre><code>yum list "java-*-openjdk-devel"
</code></pre>

blocks|key|989870|text|yum+install+java-1.8.0|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|989871|然后：|989872|alternatives+--config+java|code-block|syntax|javascript|989873|并检查：|989874|java+-version|989875|entityMap^0|0|M|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|V|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|W|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|X|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|Y|8|@]|D|@]|E|$K|L]]|$1|Q|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|R|$]]

<code>yum install java-1.8.0</code>

and then:

<pre><code>alternatives --config java
</code></pre>

and check:

<pre><code>java -version
</code></pre>

blocks|key|989802|text|在centos+7上，我只是这样做|type|unstyled|depth|inlineStyleRanges|entityRanges|data|989803|sudo+yum+install+java-sdk|offset|length|style|CODE|989804|我假设你已经有了最常用的repo。Centos只会找到带有-devel+sufix的正确SDK。|989805|entityMap^0|0|0|P|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|K|$]]

On centos 7, I just do

<code>sudo yum install java-sdk</code>

I assume you have most common repo already.
Centos just finds the correct SDK with the -devel sufix.

blocks|key|774490|text|另一种答案是，|type|unstyled|depth|inlineStyleRanges|entityRanges|data|774491|sudo+yum+list+\*java-1\*+%7C+grep+open+|code-block|syntax|javascript|774492|然后从列表中选择一个并安装|774493|例如,|774494|sudo+yum+install+java-1.7.0-openjdk.x86_64|774495|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|S|8|@]|9|@]|A|$E|F]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

An alternative answer is,

<pre><code>sudo yum list \*java-1\* | grep open 
</code></pre>

than select one from list and install that 

for example,

<pre><code>sudo yum install java-1.7.0-openjdk.x86_64
</code></pre>

blocks|key|774588|text|如果您需要Oracle+JDK，并且不愿意使用yum/rpm，请在此处查看以下答案：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|774589|Downloading+Java+JDK+on+Linux+via+wget+is+shown+license+page+instead|offset|length|774590|根据这篇文章，您可以使用curl和指定cookie头自动下载tarball。|774591|然后，您可以将tarball内容放在正确的位置，并将java添加到您的路径中，例如：|774592|curl+-v+-j+-k+-L+-H+"Cookie:+oraclelicense=accept-securebackup-cookie"+http://download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-x64.tar.gz+>+jdk.tar.gz

tar+xzvf+jdk.tar.gz
sudo+mkdir+/usr/local/java
sudo+mv+jdk1.8.0_45+/usr/local/java/
sudo+ln+-s+/usr/local/java/jdk1.8.0_45+/usr/local/java/jdk

sudo+vi+/etc/profile.d/java.sh
export+PATH="$PATH:/usr/local/java/jdk/bin"
export+JAVA_HOME=/usr/local/java/jdk

source+/etc/profile.d/java.sh|code-block|syntax|javascript|774593|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/10268583/how-to-automate-download-and-installation-of-java-jdk-on-linux^0|0|0|1W|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@$D|Y|E|Z|1|10]]|A|$]]|$1|F|3|G|5|6|7|11|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|12|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|13|8|@]|9|@]|A|$M|N]]|$1|O|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]]]

If you want the Oracle JDK and are willing not to use yum/rpm, see this answer here:

<a href="https://stackoverflow.com/questions/10268583/how-to-automate-download-and-installation-of-java-jdk-on-linux">Downloading Java JDK on Linux via wget is shown license page instead</a>

As per that post, you can automate the download of the tarball using curl and specifying a cookie header.

Then you can put the tarball contents in the right place and add java to your PATH, for example:

<pre><code>curl -v -j -k -L -H "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-x64.tar.gz &gt; jdk.tar.gz

tar xzvf jdk.tar.gz
sudo mkdir /usr/local/java
sudo mv jdk1.8.0_45 /usr/local/java/
sudo ln -s /usr/local/java/jdk1.8.0_45 /usr/local/java/jdk

sudo vi /etc/profile.d/java.sh
export PATH="$PATH:/usr/local/java/jdk/bin"
export JAVA_HOME=/usr/local/java/jdk

source /etc/profile.d/java.sh
</code></pre>

blocks|key|774701|text|使用以下命令通过终端安装oracle+java8|type|unstyled|depth|inlineStyleRanges|entityRanges|data|774702|步骤-1)访问Oracle+JDK下载页面，查找RPM版本|774703|步骤2)使用下面的命令wget+--header+"Cookie:+oraclelicense=accept-securebackup-cookie“http://download.oracle.com/otn-pub/java/jdk/8u121-b13/e9e7ea248e2c4826b92b3f075a80e441/jdk-8u121-linux-x64.rpm下载oracle+java+8|offset|length|774704|步骤-3)使用以下命令sudo+yum+localinstall+jdk-8u121-linux-x64.rpm安装java8现在JDK应该安装在/usr/java/jdk1.8.0_121步骤-4)删除下载的.rpm文件以利用空间。rm+jdk-8u121-linux-x64.rpm|774705|步骤5)使用java+-version命令验证java|774706|步骤6)如果CentOS安装了多个JDK，您可以使用alternatives命令来设置缺省的java+sudo替代方案--config+java|774707|第7步)可选设置JAVA_HOME环境变量。复制jdk安装的路径，即/usr/+java+/jdk1.8.0_121使用以下命令导出java+home+export+JAVA_HOME=/usr/java/jdk1.8.0_121+export+PATH=$PATH:$JAVA_HOME|774708|entityMap|0|LINK|mutability|MUTABLE|url|http://download.oracle.com/otn-pub/java/jdk/8u121-b13/e9e7ea248e2c4826b92b3f075a80e441/jdk-8u121-linux-x64.rpm^0|0|0|23|32|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Y|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Z|8|@]|9|@$F|10|G|11|1|12]]|A|$]]|$1|H|3|I|5|6|7|13|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|14|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|15|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|16|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|17|8|@]|9|@]|A|$]]]|Q|$R|$5|S|T|U|A|$V|W]]]]

use the below commands to install oracle java8 through terminal

Step -1) Visit Oracle JDK download page, look for RPM version

Step -2) Download oracle java 8 using the below command
 wget --header "Cookie: oraclelicense=accept-securebackup-cookie" <a href="http://download.oracle.com/otn-pub/java/jdk/8u121-b13/e9e7ea248e2c4826b92b3f075a80e441/jdk-8u121-linux-x64.rpm" rel="nofollow noreferrer">http://download.oracle.com/otn-pub/java/jdk/8u121-b13/e9e7ea248e2c4826b92b3f075a80e441/jdk-8u121-linux-x64.rpm</a>

Step -3) Install the java8 using below command
 sudo yum localinstall jdk-8u121-linux-x64.rpm
 Now the JDK should be installed at 
 /usr/java/jdk1.8.0_121
Step -4) Remove the downloaded .rpm file to utilize the space.
 rm jdk-8u121-linux-x64.rpm 

Step -5) Verify the java by using command 
 java -version

Step -6) If the CentOS has multiple JDK installed, you can use the alternatives command to set the default java 
 sudo alternatives --config java

Step -7)Optional set JAVA_HOME Environment variables.
 copy the path of jdk install i.e /usr/java/jdk1.8.0_121
 use below command to export java home
 export JAVA_HOME=/usr/java/jdk1.8.0_121
 export PATH=$PATH:$JAVA_HOME

blocks|key|775044|text|我已经编写了一个shell脚本来在centos上安装/卸载java。只需运行shell即可完成此任务。这个shell的核心是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|775045|1.download+the+jdk+rpm(RedHat+Package+Manager)+package.
2.install+java+using+rpm.|code-block|syntax|javascript|775046|你可以在这里看到更多细节：https://github.com/daikaixian/WaterShell/tree/master/program_installer|offset|length|775047|希望它能为你工作。|775048|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/daikaixian/WaterShell/tree/master/program_installer^0|0|0|D|1Y|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@]|9|@$I|X|J|Y|1|Z]]|A|$]]|$1|K|3|L|5|6|7|10|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]]]

I have written a shell script to install/uninstall java on centos.
You can get it done by just run the shell.
The core of this shell is :

<pre><code>1.download the jdk rpm(RedHat Package Manager) package.
2.install java using rpm.
</code></pre>

You can see more detail here:
<a href="https://github.com/daikaixian/WaterShell/tree/master/program_installer" rel="nofollow noreferrer">https://github.com/daikaixian/WaterShell/tree/master/program_installer</a> 

Hope it works for you.

I have <a href="http://en.wikipedia.org/wiki/CentOS" rel="noreferrer">CentOS</a> 5, but I don't know the steps to install Java SDK on Linux.

Where to download the RPM file and what can I do next to fully install that?

Then I need to install <a href="http://en.wikipedia.org/wiki/Apache_Tomcat" rel="noreferrer">Tomcat</a>.

Or is there any ready-made package for all?

How to install Java SDK on CentOS?

CentOS

Java

我有Linux5，但我不知道在上安装Java SDK的步骤。在哪里下载RPM文件，接下来我该怎么做才能完全安装它？然后我需要安装。或者有没有什么现成的包供所有人使用？

问如何在CentOS上安装Java SDK？
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回答 7

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