watchdog server monitoring

If you want to know what your server is doing, you need to know some basic commands, and once you've mastered the commands, you're a professional Linux system administrator. Some Linux distributions provide GUI programs for system monitoring, such as SUSE Linux has a great and professional tool yast,kde the KDE System Guard is also excellent. Of course, to use these tools, you have to operate in front of t

:27:17Collectl.COLLECTL reports the statistics of the system in a similar dstat format; like Dstat, it collects statistical information about different resources of the system, such as processors, memory, and networks. A simple example given here shows how to use COLLECTL to report network usage/bandwidth.$ collectl-sn-ot-i0.5 Waiting for 0.5 second sample ... # Installing Collectl# Ubuntu/debian User $ sudo apt-get install collectl #Fedora $ sudo yum install CollectlConclusionThese easy-to-use

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

... # ----------Network----------> #Time kbin pktin kbout pktout 10:32:01 40 58 43 66 10:32:01 27 58 3 32 10:32:02 3 28 9 44 10:32:02 5 42 96 96 10:32:03 5 48 3 28 Installing Collectl # Ubuntu/debian Users $ sudo apt-get install Collectl #Fedora $ sudo yum install Collectl ConclusionThese easy-to-use commands can quickly check network bandwidth usage on Linux servers. However, these commands require the user to log on to the remote

The Munin monitoring tool detects all computers and records the computers that you see. Displays all information in a graphical web interface. The focus is on plug-and-play functionality. After the installation is complete, a large number of control plug-ins will be hit.With Munin you can easily monitor your computer, network, SAN, and applications, whatever you think of. Munin used a good? RRDTool (written by Tobi Oetiker) and a framework written in

One, monitoring server system load situation:1, use the uptime command to view the current load situation (1 minutes, 5 minutes, 15 minutes average load situation)# uptime15:43:59 up 186 days, 20:04, 1 user, load average:0.01, 0.02, 0.00Rule of thumb for system load: (detail reference: http://blog.csdn.net/skyline_loafer/article/details/26940539)(1) The main observation "15 minutes system load", it as the n

ID WA st2 0 0 57484 356864 861332 0 0 0 1 7 3 1 0 99 0 00 0 0 57468 356864 861360 0 0 0 0 336 145 6 1 94 0 00 0 0 57468 356864 861360 0 0 0 0 43 51 0 0 100 0 00 0 0 57468 356864 861360 0 0 0 16 51 62 0 0 100 0 0[16-wireshark]Wireshark's predecessor is called Ethereal, we can think Wireshark is the tcpdump command of the master brother, because Wireshark will be more professional, but also have more advanced protocol analysis and statistical capabilities.Wireshark also has GUI interfaces and she

buff cache si so bi bo in CS us sy ID WA St 2 0 0 57484 356864 861332 0 0 0 1 7 3 1 0 99 0 0 0 0 0 57468 356864 861360 0 0 0 0 336 145 6 1 94 0 0 0 0 0 57468 356864 861360 0 0 0 0 43 51 0 0 100 0 0 0 0 0 57468 356864 861360 0 0 0 16 51 62 0 0 100 0 0 [16-wireshark]Wireshark's predecessor is called Ethereal, we can think Wireshark is the tcpdump command of the master brother, because Wireshark will be more professional, but also have more advanced protocol analysis and stati

The above article mentioned win Performance Monitor is a necessary tool for monitoring database performance, Next I will give you some common monitoring indicators, in fact, is nothing more than disk, CPU, memory and other hardware operating indicators as well as the database itself, such as lock Ah, the number of user connections Ah, There is the need to pay attention to the parameters of their own busines

Tags: SQL Server mirroringThis article describes how a oldest unsent Transaction threshold alarm in SQL Server mirroring monitoring can heal itselfimage monitoring data and alarms are recorded and triggered by the database Mirroring Monitor job job, and when oldest unsent transaction exceeds threshold, the trigger code

Server monitoring by installing some commonly used monitoring software, sometimes you need to run some shell or Python scripts, and the shell can use the system's own PS/FREE/TOP/DF and other shell commands, Python can invoke modules such as subprocess to run shell commands, but it is cumbersome to do so. Here is a more useful third-party module: Psutil.Psutil is

monitoring point of the shortcut keys, as long as the corresponding letter input, you can display the corresponding resource consumption, input C, M, d after the display of the following (showing the CPU, memory, disk usage):Output fileAs described above only in server monitoring, what we really need is how to collect this data and handle the analysis of them. N

A few days ago wrote an article, jprofiler_ monitoring the remote Linux server tomcat process (practice), the use of jprofiler how to monitor the remote Linux tomcat process, these two days to think, in addition to monitoring the Tomcat process, Is it possible to monitor other Java processes, but to find a lap is to monitor Tomcat, so I intend to experiment with

": "Redis_1", "Port": "10001" }, - ] - }, the { -"Name": "127.0.0.1", -"Instances": [ - { +"Name": "Redis_1", -"Port": "6379" + }, A { at"Name": "Redis_master", -"Port": "6380", -"Password": "123456"//auth - }, - { -"Name": "Redis_slave_1", in"Port": "6381" }, - { to"Name": "Redis_slave_2", +"Port": "6382" - }, the ] * } $ ] Panax Not