freeware network monitoring tools

Original connection:Administrator-required Linux system monitoring tools#1: top-process activityTop provides a real-time, dynamic view of the current running system, which is the running process. By default, displays the task with the highest CPU utilization in the system and refreshes every 5 seconds.#2: Vmstat-system activity, hardware and system InformationUse the Vmstat command to get information about

Monitoring indicators Metrics that typically require monitoring for performance testing include: 1. Server Linux (including CPU, Memory, Load, I/O). 2. Database: 1. Mysql 2.Oracle (Cache hit, index, single SQL performance, database [/url] threads, number of data pool connections). 3. Middleware: 1. Jboss 2. Apache (including number of threads, number of connections, log). 4.

IT hardware and software in the new computer room, advance early warning and automatic notification for abnormal situation of system indicators, and show the logical association between hardware and software and business, and the influence of abnormal to which business, the scope and extent of the impact.Monitoring system mainly includes: status monitoring module, Alarm management module, business topology display module, custom portal display, Admin

, server resource usage can be reflected in real-time on the screen, but this real-time monitoring does not download the server resources, it is recommended to use together with the acquisition download commandInitial interface of NmonNmon's features are strong, the home page lists can be monitored and real-time view of the project, in actual projects often monitored resources are mainly c=cpu,m=memory,d=disk,n=networkC=cpuIn the initial interface abo

can easily monitor all servers and diagnose problems with a single panel. It only takes a few minutes to install, with timely reminders, when problems occur you can timely receive reminders, but also with daily data summary and other functions.4. IcingaIcinga is a free, open source Server monitoring tool that detects the availability of server resources. It can record server problems and notify you.5. MuninMunin is a

single panel. It only takes a few minutes to install, with timely reminders, when problems occur you can timely receive reminders, but also with daily data summary and other functions.4. IcingaIcinga is a free, open source Server monitoring tool that detects the availability of server resources. It can record server problems and notify you.5. MuninMunin is a network and system

If you are unfamiliar with the six open-source system monitoring tools, you are advised to refer to the relevant technical documents.1. Nagiox-network monitoring software Nagios is well-known and undoubtedly the best system monitoring tool. As you know, most O M teams use t

One of the primary goals of managing certificates is to improve the security level of the enterprise, where authentication and access management should be valued. In this article, we'll start with a brief overview of the CA definition, and then focus on the application of Windows Server 2008 with professional certificate monitoring tools (Pkiview.msc and Certutil.exe). For an enterprise, it is very importan

1. zenoss Zenoss is an enterprise-level open-source server and network monitoring tool. It is most notable for its virtualization and cloud computing monitoring capabilities. It is hard to see that other old monitoring tools have this function.2. ossim Ossim is sho

Joe Zonker Brockmeier mentioned five tools to monitor and improve Linux system performance in an article on the Linux Foundation website. These five tools cover Kernel optimization, network monitoring, and System monitoring. They are KDE System Monitor, Dstats, The Sysstat A

Pigoss BSM Monitoring Management Platform series products as the network of Friends of the company's independent knowledge products of the core competition products, to achieve the customer data center of all IT systems to monitor the full range of operations. Monitoring coverage of network operation