In linux, the java upgrade record-general Linux technology-Linux programming and kernel information. The following is a detailed description. For some reason, the applet on the website developed by the group must be under 6.0. to upgrade the jdk version of the server, perform the following operations:
1. Input in shell
> Export JAVA_HOME =/usr/java/jdk1.6
Problem: the effect of the export command only applies to this login operation. After you log out, restore the system configuration.
2. Add the following content to the. bashrc file as instructed on the Internet:
Export JAVA_HOME =/usr/java/latest/
Problem: I used java-version to check whether the version remains unchanged because the java command directly looks for the system command path.
3. Add the following content to the complete modification. bashrc file:
Export JAVA_HOME =/usr/java/latest/
Export PATH = $ JAVA_HOME/bin: $ PATH
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