Ubuntu 12.04下安装sun-java6-jdk/jre
2014-04-15 13:17
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1.打开sources.list(终端键入,下同):
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![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">sudo gedit /etc/apt/sources.list</span>
在sources.list 末尾加上:
deb http://ppa.launchpad.net/ferramroberto/java/ubuntu natty main
2. 更新源列表:
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plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">sudo apt-get update </span>
注:若终端提示:
W: GPG 错误:http://ppa.launchpad.net natty Release: 由于没有公钥,无法验证下列签名: NO_PUBKEY B725097B3ACC3965
解决方法(下载安装这个key):
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![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">sudo apt-key adv --recv-key --keyserver keyserver.ubuntu.com B725097B3ACC3965</span>
3. 更新源列表:
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plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">sudo apt-get update </span>
4. 安装sun-java6-jdk/jre( 可在前加上:sudo apt-get install sun-java6-demo sun-java6-source):
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![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">sudo apt-get install sun-java6-jdk sun-java6-jre </span>
5.设为默认java:
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![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">sudo update-alternatives --config java</span>
再进行选择
6. 安装完毕后把 sources.list 中增加的一行删去,再更新源列表(见第2步) 防止升级或安装时出错。
注:切换java的版本:
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![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">sudo update-java-alternatives -s java-7-oracle </span>
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plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">sudo update-java-alternatives -s java-6-sun</span>
查看java版本:
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plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<span style="font-size:18px;">java -version</span>
[plain] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">sudo gedit /etc/apt/sources.list</span>
在sources.list 末尾加上:
deb http://ppa.launchpad.net/ferramroberto/java/ubuntu natty main
2. 更新源列表:
[plain] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">sudo apt-get update </span>
注:若终端提示:
W: GPG 错误:http://ppa.launchpad.net natty Release: 由于没有公钥,无法验证下列签名: NO_PUBKEY B725097B3ACC3965
解决方法(下载安装这个key):
[plain] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">sudo apt-key adv --recv-key --keyserver keyserver.ubuntu.com B725097B3ACC3965</span>
3. 更新源列表:
[plain] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">sudo apt-get update </span>
4. 安装sun-java6-jdk/jre( 可在前加上:sudo apt-get install sun-java6-demo sun-java6-source):
[plain] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">sudo apt-get install sun-java6-jdk sun-java6-jre </span>
5.设为默认java:
[html] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">sudo update-alternatives --config java</span>
再进行选择
6. 安装完毕后把 sources.list 中增加的一行删去,再更新源列表(见第2步) 防止升级或安装时出错。
注:切换java的版本:
[plain] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">sudo update-java-alternatives -s java-7-oracle </span>
[plain] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">sudo update-java-alternatives -s java-6-sun</span>
查看java版本:
[plain] view
plaincopy
![](https://code.csdn.net/assets/CODE_ico.png)
<span style="font-size:18px;">java -version</span>
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