Does PRTG facilitate network monitoring in a Linux setup? Can PRTG assist with capacity planning and optimization? Can I install Paessler PRTG on Linux? What is a sensor in PRTG? PRTG: The multi-tool for sysadmins Adapt PRTG individually and dynamically to your needs and rely on a strongAPI...
1. vmstat: vmstat是linux下非常强大的工具,它的结果包含了比较全面的CPU和Memory相关的指标,这里只介绍CPU相关的. 下图是vmstat使用时的一个截图: 下图是vmstat CPU相关指标的介绍: 2. top: top也是linux下比较常用的工具,它除了可以看系统整体的CPU/Memory使用情况,还可以单独看某个进程的每个线程的情况: 下图是...
In this guide, we looked at what is Netdata and different ways to install Netdata in Linux. We also looked at how to access the Netdata dashboard, update Netdata and uninstall it. Netdata is simple yet powerful real-time performance monitoring application. It requires zero configuration and wor...
iotop是一个检测Linux系统进程IO的工具,界面类似top,如下图。 [xgj@entel2 ~]$ iotopNetlink error: Operation not permitted (1)The Linux kernel interfaces that iotop relies on now require root privilegesor the NET_ADMIN capability. This change occurred because a security issue(CVE-2011-2494) was ...
Linux Performance Monitoring with Vmstat and Iostat Commands,概述vmstat和iostat两个命令都适用于所有主要的类unix系统(Linux/unix/FreeBSD/Solaris)。磁盘IO是服务器性能的一个重要指标,下面介绍两个常用的观察IO的命令,iostat我一般用来查看磁盘的IO,以及在测试
Sar – Monitor Linux System Activity 3. iotop – Monitor Linux Disk I/O Usage Similar totop monitoring toolin terms of design,iotopis a simple utility that enables you to monitor disk I/O activity and usage on a per-process basis. ...
Linux System and Performance Monitoring(Memory篇),5.0VirtualMemory介绍虚拟内存就是采用硬盘对物理内存进行扩展,所以对可用内存的增加是要相对在一个有效范围内的.内核会写当前未使用内存块的内容到硬盘上,此时这部分内存被用于其它用途.当再一次需要原始内容时,此时再
Linux System and Performance Monitoring(CPU篇) Date: 2009.07.21 Author: Darren Hoch 译: Tonnyom[AT]hotmail.com 2009.08.10 前言: 网上其实有很多关于这方面的文章,那为什么还会有此篇呢,有这么几个原因,是我翻译的动力,第一,概念和内容虽然老套,但都讲得很透彻,而且还很全面.第二,理论结合实际,其中案例...
RedHat Enterprise Linux 3 update 7 Dell 1850 Dual Core Xenon Processors, 2 GB RAM, 75GB 15K Drives Custom LAMP software stack(译注:Linux+apache+mysql+php 环境) 性能分析之步骤 1. 首先使用vmstat 查看大致的系统性能情况: # vmstat 1 10
Checking the Disk Access Mode in LinuxIf a standard performance test is conducted in a Linux environment, it is recommended that you set the disk access mode to Direct I/O. The Linux operating system has a kernel buffer. In the I/O cache mechanism of the Linux operating system, the ...