squid proxy monitoring tool linux

In Unix-like systems, you can use top to view system resources, processes, memory usage, and other information. To view the network status, you can use tools such as netstat and nmap. To view real-time network traffic and monitor TCP/IP connections, you can use iftop. I. What is iftop? Iftop is similar to top... in Unix-like systems, you can use top to view system resources, processes, memory usage, and other information. To view the network status, you can use tools such as netstat and nmap. To

. Number of Lookup requests 20 IP (commonly used to find the source of attack) Netstat-anlp|grep 80|grep Tcp|awk ' {print $} ' |awk-f: ' {print '} ' |sort|uniq-c|sort-nr|head-n203. Use tcpdump to sniff 80 ports with the highest number of IPTcpdump-i ETH0-TNN DST Port 80-c 1000 | Awk-f "." ' {print $1″. ' $2″. " $3″. " $4} ' | Sort | uniq-c | Sort-nr |head-104. Find more time_wait connectionsNetstat-n|grep Time_wait|awk ' {print $} ' |sort|uniq-c|sort-rn|head-n105. Check for more SYN connections

Monitor Linux server performance with Munin Monitoring the performance of LINUX hosts is a complex operation, which depends on command line tools and centralized data. Analysis may be very difficult, and a large amount of data is required to establish a relationship to draw a conclusion. Fortunately, we can use some existing tools to build a model for this proces

server, workstations, sub-labs, packet management, Unix Linux Server Remote batch operation mode, batch operation mode can be multi-threaded control unix,linux, Server Execution command, Get status, output command execution result, can realize large batch modification file, shut down, free hands, realize management automation. VNC GUI enables automatic login system, Windows Telnet interface can operate Win

Linux NetHogs monitoring tool introduction, linuxnethogs NetHogs Introduction NetHogs is an open-source, free network traffic monitoring tool for Linux processes or applications. NetHogs can only monitor the network bandwidth usa

to locate the problem? Atop Introduction Atop is a tool used to monitor Linux system resources and processes. It records the running status of the system at a certain frequency, the collected data includes the usage of system resources (CPU, memory, disk, and network) and the running status of processes, and can be saved to the disk as a log file. When a server encounters a problem, we can obtain th

about 10.5, and every 3 seconds disk reads about 62KB, writes about: 110KB, this value is not an accurate value, why? Know why? Because of the time period problemThe best test is to find the average number of times or use the method to find the current valueAs shown below:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6B/86/wKiom1Uvfk2jn_KzAAC-70HOJzU414.jpg "title=" 6.png " alt= "Wkiom1uvfk2jn_kzaac-70hojzu414.jpg"/>There are many more detailed extensions for Iostat, with the-X opt

Download the Nmon for the system versionHttp://nmon.sourceforge.net/pmwiki.php?n=Site.Download Wiki-nmonHttps://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Power%20Systems/page/nmon Decompression Run Gzip nmon**.tar.gz CD nmon** ./nmon* View running Status Online command and parameter description Nmon-s 10-c 60-f-m/root/ -S 10: Collect data every 10 seconds -C 60: Acquisition of 60 times, that is, 10 minutes of data acquisition

Article Title: monit, a tool for linux system monitoring. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Monit is a

Linux system monitoring, diagnostic tools Tophttp://my.oschina.net/leejun2005/blog/157910Linux system Monitoring, diagnostic tool IO waithttp://my.oschina.net/leejun2005/blog/355915Introduction to the Lsof usage of Linux system monitorin