sudo update-alternatives --install "/usr/bin/javac" "javac" "/opt/jdk-9.0.1/bin/javac" 1 Then, set Java Development Kit 9 as the default Java version: sudo update-alternatives --set "java" "/opt/jdk-9.0.1/bin/java" sudo update-alternatives --set "javac" "/opt/jdk-9.0.1/bin...
至此,我们已经完成了设置。现在再次执行以下命令检查Java是否能正常工作: java-version 1. 如果命令输出了Java的版本信息,则说明设置成功。 三、总结 在本文中,我们解决了 “linux中JAVA_HOME is not set and java could not be found in PATH” 的问题。通过设置JAVA_HOME并将Java的可执行文件路径添加到系统的...
sudo apt-getinstall oracle-java7-installer sudo apt-getinstall oracle-java7-set-default java-version 注:若提示如下信息: sha256sum mismatch jdk-7u80-linux-x64.tar.gz OracleJDK7isNOT installed. 可能是jdk软件包没有下载完全,可执行如下命令删除后重新安装: sudo apt-getpurge oracle-java7-installer ...
一旦找到了Java的安装路径,我们就可以编辑环境变量文件来设置JAVA_HOME。在大多数Linux发行版中,环境变量文件通常是~/.bashrc或~/.bash_profile。您可以使用任何文本编辑器打开适当的文件。 $nano~/.bashrc 1. 步骤3:设置JAVA_HOME变量 在环境变量文件中,添加以下行来设置JAVA_HOME变量。将/path/to/java替换为您...
Now, even if you exit the session or restart the system, the JAVA_HOME variable will still be set to the value you specified. That’s what you want, right? Do note that if you change the default Java version in the future, you’ll have to change the value of JAVA_HOME and point ...
java version "1.7.0-internal-zing_99.99.99.99.dev" Zing Runtime Environment for Java ...
“getfacl -R”作用相反 –test 测试模式,并不真正修改访问控制列表属性 -v, –version 显示版本并退出 -h, –help 显示本帮助信 getfacl:获得文件acl详细信息 用法:getfacl 参数 文件 参数: -a, –access display the file access control list only -d, –default display the default access control list...
java version "1.7.0-internal-zing_99.99.99.99.dev" Zing Runtime Environment for Java ...
1. Install Java on Linux The first step is to make sure that you have Java installed on your system. To check the version of java installed run the following command: 1 java -version 2. Open .bashrc file The .bashrc file is a bash shell configuration file. It is stored at ~/.ba...
If you use a Bash shell, or if you have set JAVA_HOME in an Ubuntu environment and need to echo JAVA_HOME in Linux, place a single dollar sign before the environment variable:echo $JAVA_HOME. If the echo command returns the value you set for JAVA_HOME, you know your system is confi...