检查正在运行的进程 - java
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Check processes that are running - java
提问by user2675649
I want to write a java application that is to be deployed on a unix box. I need to check the running processes - that are running on the box. Could someone show me an example / point me in the right direction?
我想编写一个要部署在 unix 机器上的 java 应用程序。我需要检查正在运行的进程 - 在盒子上运行。有人可以给我举个例子/指出我正确的方向吗？
采纳答案by ktm5124
If you want to find the running java processes, you can use
如果要查找正在运行的 java 进程，可以使用
ps -ef | grep java
ps -ef | grep java
If you need to check which ports are in use,
如果您需要检查正在使用的端口，
netstat -tupln
netstat -tupln
回答by Clauds
I came across some alternatives for ps aux | grep javaprovided by Java that need less typing:
我遇到了一些ps aux | grep java需要较少输入的 Java 提供的替代方案：
jcmd
and
和
jps -v
The option -vwill show the arguments passed to the JVM.
该选项-v将显示传递给 JVM 的参数。
If you get process information unavailablethis could be because the process is running with OpenJDK.
If you are root and the process was started with a non-root user you can use the following to see the details (replace <user>with the username):
如果您的进程信息不可用，这可能是因为该进程正在使用 OpenJDK 运行。如果您是 root 并且进程是由非 root 用户启动的，您可以使用以下命令查看详细信息（替换<user>为用户名）：
sudo -u <user> jps -v
Another nice feature of jcmdis that you can display the Java version that a specific process uses (in case ps aux | grep javadoes not show it), that's how I came across the two (replace <pid>with the process id):
另一个不错的功能jcmd是您可以显示特定进程使用的 Java 版本（以防ps aux | grep java不显示），这就是我遇到这两个的方式（<pid>用进程 ID替换）：
jcmd <pid> VM.version
