screen, and the flow graph bar will change depending on the scale;Press J or press K to scroll up or down the screen to display the connection record;Press 1 or 2 or 3 to sort by the three-column traffic data displayed on the right;Sort by Sort by > According to the host name or IP of the remote target host;Press O to toggle whether the current connection is fixed only;Press F to edit the filter code, this is translated by the saying, I have not used this!You can use the shell command, this is
each connection is displayed;Press L to turn on the screen filtering function, enter the characters to filter, such as IP, press ENTER, the screen will only show this IP-related traffic information;Press L to toggle the scale on the top of the display screen, and the flow graph bar will change depending on the scale;Press J or press K to scroll up or down the screen to display the connection record;Press 1 or 2 or 3 to sort by the three-column traffic data displayed on the right;Sort by Sort by
information;Press L to toggle the scale on the top of the display screen, and the flow graph bar will change depending on the scale;Press J or press K to scroll up or down the screen to display the connection record;Press 1 or 2 or 3 to sort by the three-column traffic data displayed on the right;Sort by Sort by > According to the host name or IP of the remote target host;Press O to toggle whether the current connection is fixed only;Press F to edit the filter code, this is translated by the sa
each connection is displayed;Press L to turn on the screen filtering function, enter the characters to filter, such as IP, press ENTER, the screen will only show this IP-related traffic information;Press L to toggle the scale on the top of the display screen, and the flow graph bar will change depending on the scale;Press J or press K to scroll up or down the screen to display the connection record;Press 1 or 2 or 3 to sort by the three-column traffic data displayed on the right;Sort by Sort by
No webmaster is willing to their own site downtime, but Google server will be a problem, not to mention that I have small sites, broken servers. The best solution to the down machine is only one: solve it in time. To solve the problem in time to know when the site server down. You can not 24 hours to refresh their web page to see if the page is normal, not to expect your users will be the first time you notice the site down, unless you are Google.
Therefore, as a webmaster, web site
No matter how careful it is, it is impossible to avoid bad code altogether, and tools are needed to help us check if there is a memory leak in the code. The DDMS in Android tools comes with a very good memory monitoring tool heap (here I use the Eclipse ADT Plugin, and in the case of a real machine, like in the emulator). The steps to use the heap to monitor the application process using memory are as follo
Miniprofiler Official website: http://miniprofiler.com/A particularly useful feature of Miniprofiler is its integration with the database framework. Apart from. NET native DbConnection class, Miniprofiler also has built-in support for the Entity Framework and LINQ to SQL, Ravendb, and MongoDB. Any step that executes will include the number of queries and the time spent. To detect common errors, such as the n+1 anti-pattern, Profiler detects multiple queries with only a difference in parameter va
In Unix-like systems, you can use top to view information such as system resources, processes, memory consumption, and so on. View network status You can use Netstat, nmap and other tools. To see real-time network traffic, monitor TCP/IP connectivity, and so on, you can use Iftop.What is Iftop?The iftop is a real-time traffic monitoring tool similar to top.Official website: http://www.ex-parrot.com/~pdw/ift
Http://www.vpser.net/manage/iftop.htmlIn Unix-like systems, you can use top to view information such as system resources, processes, memory consumption, and so on. View network status You can use Netstat, nmap and other tools. To see real-time network traffic, monitor TCP/IP connectivity, and so on, you can use Iftop.What is Iftop?The iftop is a real-time traffic monitoring tool similar to top.Official webs
vport:8083
Equalization algorithm: PI RR
Health Check: TCP
instance IP and port:IP 8083 for Localhost-01IP 8083 for Localhost-02
Other ports are set according to this setting, after the load balancing setup, it is necessary to mention Grafana configuration, if you want to achieve high availability of visual display, then the Grafana configuration data source must adopt the domain name + port way:The data security setting is complete.4 , Grafana interface configurationComple
, transmission and read-write ratios, error statistics, and packet sizeThe process that consumes the most resourcesComputer details and resourcesPage space and page I/O speedUser-defined Disk groupsNetwork File systemIn addition to the AIX operating system, Nmon can also monitor other information, such as asynchronous I/O.2. Download and install NmonHow do I get nmon? We can download it on the official website of IBM for free, download URL: Http://www.ibm.com/developerworks/wikis/display/WikiPty
Sysdig: A Tool for Linux Server monitoring and troubleshooting (1)
When you need to track the system calls generated and received by a process, what come first in your mind? You may think of strace, so you are right. What command line tools will you use to monitor original network communication? If you think of tcpdump, you have made an excellent choice. If you need to track open files in Unix: Everything
In Unix-like systems, you can use top to view information such as system resources, processes, memory consumption, and so on. View network status You can use Netstat, nmap and other tools. To see real-time network traffic, monitor TCP/IP connectivity, and so on, you can use Iftop.What is Iftop?The iftop is a real-time traffic monitoring tool similar to top.Official website: http://www.ex-parrot.com/~pdw/ift
/wKiom1ViiIGgh4WwAAGjQzJsz00840.jpg "title=" Oracle Video Tutorial "alt=" Wkiom1viiiggh4wwaagjqzjsz00840.jpg "/>
Course Address: http://edu.51cto.com/course/course_id-3699.html
course content: oracle Network-related concepts and common configuration files familiar with the Monitoring management tool Create and manage listening se
Label:Cacti Monitoring Server configuration tutorial (based on centos+nginx+mysql+php Environment building)Specific cases:LAN has two hosts, a Linux, a Windows, now need to configure a cacti monitoring server to monitor the two hostsEnvironment Description:1. Linux HostOperating system: CentOS 6.2IP Address: 192.168.21.164Subnet Mask: 255.255.255.0Gateway: 192.16
endpoint to get information such as the following:?
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{"mem": 71529,"mem.free": 15073,"processors": 4,"instance.uptime": 6376,"uptime": 9447,"systemload.average": -1.0,"heap.committed": 48024,"heap.init": 16384,"heap.used": 32950,"heap": 506816,"nonheap.committed": 23840,"nonheap.init": 160,"nonheap.used": 23506,"nonheap": 0,"threads.peak": 25,"threads.daemon": 23,"threads.totalStarted": 28,"threads": 25,"classes": 6129,"classes.l
1.ServerSuperIO v3.6.8 Update content1.1 Add WebSocket server function, support auto-control mode, concurrency mode, singleton mode, not support polling mode1.2 The receive data cache is detached from the existing IO instance.1.3 Optimize the code.2. Monitoring and control of the structure diagram3.WEB-sensor monitoring and control, video tutorial content
Linux performance monitoring software (Perf, PAPI) Installation tutorial, perfpapi
Perf
Perf is a built-in Linux kernel performance tool. The installation process is as follows:
1. Download a Linux kernel source code and decompress it into tools/perf.
2. Open the terminal and install make make install.
3. After installation, you can run the perf program in this
Linux Malware detection tool and Anti-Virus engine ClamAV installation tutorial
Malware is any software program designed to interfere with or damage the normal operation of the computing system. Although the most notorious malware include viruses, spyware, and advertising software, their attempts do not cause the same harm: Some steal private information, some delete personal data, and some are between them
storage TCP_RCV and Tcp_send files, respectively, storage downstream traffic and upstream traffic, subtraction before and after the operation to obtain results.3, monitoring memory implementation principleGet the PID applied to when being tested and then follow the PID call to Android API to get the memory occupied by the currently tested application. The/proc/meminfo file records system memory information.emmagee-2.2.apk as an example1. Download EMM
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