Monitoring Network Traffic Linux

Ganglia monitoring software is mainly used to monitor the performance of the software, such as: CPU, MEM, hard disk utilization, I/O load, network traffic, etc., through the curve is very easy to see the work of each node, the reasonable adjustment, distribution system resources, improve the overall performance of the system plays an important role. Support browser access, but can not monitor node hardware specifications, ganglia is a distributed monitoring system, there are two Daemon, respectively: Client ganglia monitoring Daemon (Gmond ...

You can use Linux's graphical tools to easily monitor your system's network performance. In this article, you will learn how to use the MRTG (SNMP-based, monitoring http://www.aliyun.com/zixun/aggregation/10374.html "> Network traffic tools) and Webalizer (the tool that analyzes the site hit Ratio). Many servers, routers, and firewalls are insured in their object markers (OIDs) that they ...

Cacti is a rrdtool based on the complete front-end http://www.aliyun.com/zixun/aggregation/10374.html "> Network traffic Monitoring graphical analysis tool. It can store all the necessary information to create charts and populate them with data from the MySQL database. The front-end is a complete PHP driver that can be used to maintain charts, data sources and database looping files, and cacti can also handle data collection. It is also able to create Mr ...

Six open source monitoring tools which one did you use? Published in 2013-03-15 12:22| Times Read | SOURCE csdn| 0 Reviews | The author Zhang Hong Month open source Monitoring Tool Muningangliagraphitepingdom Summary: This article introduced 6 practical monitoring tools, not only can you monitor the network resources, but also monitor the server, user requests, Web performance, etc., to your site to provide comprehensive,  One-stop guidance and monitoring. If you think the site is built, it's all right.

The NSA's "massive surveillance" data center in the Utah State Desert can screen and analyze most of the world's network traffic, from geographical locations, audio and video files, e-mail, instant messaging, social networks and other digital documents. Of course, it's not just the NSA that can track our digital footprint, but in this time of personal privacy, all kinds of government and business companies can master our words and every move. 　　As a common netizen, is there a reliable way to protect themselves? Earlier, the Washington Post had given five individuals to avoid NSA surveillance ...

MRTG (Multi Router traffic Grapher) is a monitoring network traffic load of free software, for many network administrators, MRTG is an essential network management tool. MRTG is the use of SNMP protocol to query the designated SNMP protocol equipment, regular statistics of its equipment flow or load, and then the statistical results of the statistical map, from the statistical map can be very intuitive to detect traffic or load (Figure 1). In this way, the network administrator can easily find the Internet bandwidth consumption of abnormal conditions, such as the virus to send a large number of packets ...

Today, open source firewalls are numerous. 　　This article will cover 10 of the most practical open source firewalls that fit your business needs. 1. Iptables Iptables/netfilter is the most popular command line based on firewalls. It is the safe line of defense for Linux servers. Many system administrators use it to fine-tune the server. The function is to filter packets from the network stack in the kernel, including: listing the contents of the packet filtering rule set, and executing fast because it only checks the header of the packet, and the administrator can ...

Check_tcptraffic is a simple Nagios plug-in for monitoring Linux system http://www.aliyun.com/zixun/aggregation/10374.html "> Network traffic." Use example: check_tcptraffic 2.2.4 This version increases the unit of measurement of performance data. Software Information: Https://trac.id.ethz.ch/projects/nagio ...

The intermediary transaction SEO diagnoses Taobao guest stationmaster buys cloud host technology Hall August 26 news, the North Dragon Medium net carries the domain name registration management organization CNNIC to release the domestic first "China Domain Name service and the Security status report", "the report" shows that our country current domain name server total quantity nearly million, among them more than 50% 　　Domain name server is relatively insecure, and 57% of our important information systems have the risk of domain name resolution. The following is the "China Domain Name Service and security status report" Full text: report summary:-As of August 10, 2010, monitoring ...

North Dragon in the network with domain name registration Management Agency CNNIC issued the first "China's domain Name service and security status Report", "Report" shows that China's current domain name server total of nearly million, of which more than 50% of the domain name server is relatively insecure, and China's 57% of the important information systems exist the risk of The following is the "China Domain Name Service and security status report" Full text: report summary:-As of August 10, 2010, monitoring to the World Domain name server total of 16,306,432, which authoritative domain name server 2,903,55 ...