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In Windows, it is very easy to view the memory usage. I think everyone is familiar with it. How can I check the memory usage in Linux? The following is a free command for checking memory usage in Linux:
BKJIA recommended for editing: Linux monitoring tools
[root@scs-2tmp]#free
totalusedfreesharedbufferscached
Need to monitor Linux server system performance? Try the following built-in system or attachment tools. Most Linux releases are equipped with a large number of monitoring tools. These tools provide metrics that can be used to obtain relevant information and system activities. You can use these
2015-12-27 iOS DevelopmentFor every system administrator or network administrator, it is very difficult to monitor and debug Linux system performance issues every day. I've had 5 years of experience working with Linux administrators and know how to monitor the system to keep it running properly.To do this, we have written 20 command-line system monitoring tools that are useful and most commonly used by Linu
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
MongoDB management tools
Author: nosqlfan on Thursday, February 2010-5 comments [read: 8,012 times]
Check whether a product is recognized. You can view the number and maturity of its third-party tools from one side. Let's take a look at the various GUI management tools of MongoDB
Seven killer open-source monitoring tools
Do you want to have a clearer understanding of your network? There are no more useful tools than these free tools.
Network and system monitoring is a wide range. There are solutions for
, the string is constantly refreshed, which is the flow of data transfer process and data packets, focusing on the third and fourth columns that represents which ip+ port is connected to which ip+ Port . Ctrl + C exits the program.The tcpdump also has the- C and- w options,-c Specifies the number of catches, and-W saves the crawl results to the specified path
[Email protected] ~]# tcpdump-nn-i ens33-c 10-w/home/ask/documentation/
Besides, there are
[[email protected] ~]# t
Official website: http://mmonit.com/monit/Current version: 5.10Source Code Package: http://mmonit.com/monit/dist/Binary package: http://mmonit.com/monit/dist/binary/OverviewMonit is a very rich process, file, directory and device monitoring software for the Linux/unix platform. It automatically fixes programs that have stopped working, and is particularly well-suited for handling software errors due to a variety of reasons,
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 this tool, and so far, no tool exceeded it. Ho
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. Mun
Today, wandering around the internet, accidentally found a monitoring tool: Netdata, feel a surprise, monitoring tools can be so beautiful!Simple to understand, this tool is relatively new, monitoring system operation status is very powerful, in addition to monitoring the CP
Use of Monit monitoring tools
Overview
Monit is a monitoring software with rich functions including processes, files, directories, and devices. It is applicable to Linux/Unix platforms. It can automatically repair stopped programs, especially suitable for handling software errors caused by multiple reasons, monitoring
6301 5664 12037 4
17:11:09 6301 5664 12037 4
17:11:19 6301 5664 12037 4
Average: 6301 5664 12037 4
Output description:
Dentunusd: number of unused entries in the directory Cache
File-Nr: the number of file handles used.
Inode-Nr: inode handle
Pty-Nr: Number of Pty used
3. Memory and swap space monitoring
For example, sampling is performed once every 10 seconds, and sampling is performed three times in a row. Moni
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 monitoring, host operation
Learn linux system monitoring tools 1. Learn linux
Make full use of the built-in linux system monitoring tools to quickly and conveniently understand the system performance and other issues, so as to facilitate system analysis and debugging.
Learning articles: Every system administrator needs to know 30 Linux system
The JDK itself provides many convenient JVM performance tuning monitoring tools, in addition to the integrated VISUALVM and Jconsole, there are JPS, Jstack, Jmap, Jhat, Jstat and other small tools, this blog hope to play a useful, Let's start to understand the common tools for tuning JVM performance.In real-world enter
If you have a website, there may be some problems, using some network monitoring tools can help you to monitor these problems, help you take preventive measures. Here we have listed 12 well-organized network monitoring tools for your reference.
Splunk
Splunk is a top-level log analytics software that you need to Splu
DirectoryI. Introduction to the use of htop toolsIi. Introduction to the use of Dstat toolsThis blog post for Linux system introduced two commonly used system performance monitoring software basic use, for Linux system we generally want to monitor the object has process, CPU, memory, disk IO, swap, network card and so on.(a) Introduction to the use of htop toolsHtop is a more user-friendly, more powerful interactive process viewer than top, and is a
architecture allows monitoring of large-scale dynamic infrastructures and the ability to monitor thousands of globally distributed machines and services through complex public networks; a passionate community.4, ZabbixZabbix is an enterprise-class open source solution that provides distributed system monitoring and network monitoring capabilities based on a web
Need to monitor Linux server system performance? Try these tools built in or attached to the system below. Most Linux distributions are equipped with a large number of monitoring tools. These tools provide metrics that can be used to obtain relevant information and system activities. You can use these
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