system-information

问题 This question already has an answer here: get OS-level system information 15 answers I need to get system and hardware info via a Java application. I'm interested in: Os details; Processors count, names, processor load in percents; Memory status (total/free); Os process (threads) count and CPU/Memory usage for each of them; Network statistic (for each interface); Is there a Java library that can do this? 回答1: Using Java to get os level system Information will get you started in right

问题 How does VBulletin get the system information without the use of exec ? Is there any other information I can get about the server without exec? I am interested in: bandwidth used system type CPU speed/usage/count RAM usage 回答1: Use PHPSysInfo library phpSysInfo is a open source PHP script that displays information about the host being accessed. It will displays things like: Uptime CPU Memory SCSI, IDE, PCI Ethernet Floppy Video Information It directly parsed parses /proc and does not use exec

问题 I want to know the number of CPUs on the local machine using Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program. 回答1: If you have python with a version >= 2.6 you can simply use import multiprocessing multiprocessing.cpu_count() http://docs.python.org/library/multiprocessing.html#multiprocessing.cpu_count 回答2: If you're interested into the number of processors available to your current process, you have to check cpuset