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Recently encountered a project, the front end with the Apache HTTTPD (80 port), through the two-machine load balance forward to the back end of the two Tomcat processing (8081 and 8082 ports), now need to monitor the situation of these three ports, once down need to be able to immediately alarm processing. Batch system monitoring is better to use Nagios software to achieve, such a small project to install a
How to monitor the execution progress of Linux commands using pv commands If you are a Linux system administrator, you must spend a lot of time on the command line to install and uninstall software, monitor the system status, copy
Linux---> Monitor JVM ToolsShkingShkingPublish time: 2013/10/10 01:27 read: 2642 favorites: 26 Likes: 1 comments: 0JDK built-in tools useJPS (Java Virtual machine Process Status Tool)View all JVM processes, including process IDs, process-initiated paths, and so on.Jstack (Java Stack Trace)① observe the current state of all threads in the JVM and the current thread status.The ②
1. Monitor CPU information with Vmstat tools.Vmstat is a Linux system monitoring tool that uses the Vmstat command to get information about processes, memory, memory paging, blocking IO, traps, and CPU activity.R: The number of processes in the running queue; B: The number of processes waiting for IO.SWPD: Used virtual memory size (k); Free: idle memory size; buf
1 IPMI OverviewIPMI provides a lot of rich functionality, and the features I use, say plain English, are:1, obtain the hardware information of this device: including CPU and motherboard temperature, voltage, fan speed.2, on device A, through the command, control remote device B, power on, shutdown, restart. (see if this is a little impulse to do bad things, haha)The introduction of IPMI, Basic principles, and prerequisites, can be described in [1], very detailed and smooth.[1]: Using Ipmitool to
UseLinuxOnCactiGo to monitoringWindowsServer, good results. Let's see how it works! Previously, cacti or mrtg was used to monitor switch traffic and rarely used to monitor servers. Recently, a job suddenly needed to monitor Windows servers, the monitoring settings are based on vswitches and Linux, and there is no speci
There are many open-source network monitoring tools for Linux systems. For example, you can use command iftop to check bandwidth usage. Netstat is used to view the interface statistics report and the current running process of top monitoring system. But if you want to find a tool that can count network bandwidth utilization in real time, then Nethogs is worth a look.Nethogs is an open source command-line to
Tags: server receives ALT technology share target LOV title clock performancemonitoring Linux Server memoryInternational practice, we need to know what is the server's memory, what is the function of memory. This is not too much to introduce, Linux performance monitoring requires us to have a certain understanding of the bottom. Below I will list the tools I use to moni
Use Mop in Linux Command Line to monitor stock prices It is usually good to have a hidden income, especially when you can easily coordinate your part-time and full-time work. If you use a networked computer in your daily work, stock trading is a popular option to get extra income. However, currently, only a few stock monitoring software can run on linux, most of
, command, output of the current time.-H,--help view Help documentation4. Usage examples:Example 1:Command: Highlight the changes in the number of network links every secondWatch-n 1-d Netstat-antDescriptionOther operations:Switch Terminal: ctrl+xExit Watch:ctrl+gExample 2: Highlighting changes in the number of HTTP links every secondCommand:Watch-n 1-d ' Pstree|grep http 'DescriptionHighlights the change in the number of HTTP links every second. If the command is followed by a pipe character, t
Requirements: A directory (such as/data/test) to monitor, when the file or sub-directory in this directory changes (such as modification, creation, deletion, renaming, etc.), send mail! For the above requirements, write the shell script as follows:[[emailprotected] opt]# vim file_monit.sh#!/bin/bash# This script is used to detect whether important files of the Linux sy
Use logwatch to monitor log files in Linux Linux operating systems and many applications create special files to record their running events. These files are often called "logs ". These system logs or specific application log files are essential tools for understanding the behavior of operating systems or third-party a
Shell scripts used to monitor the free space of disks in Linux are required by system administrators or DBAs. The following is a sample shell script for monitoring disk space for your reference. 1. Monitor the free space shell script of the Disk robin@SZDB:~/dba_scripts/custom/bin> more ck_fs_space.sh #!/bin/bash# ---
#一. Writing script files for system load monitoring#!/bin/bash#########################################################################This scripts is checking the system load,vision 0.1#Author: Hejunyi#E-mail:158****[email protected]#########################################################################使用uptime命令监控linux系统负载变化#提取本服务器的IP地址信息ip= ' Ifconfig eth1 |
the percentage of time to wait for the input output to finish %steal: The percentage of the virtual CPU's unconscious wait time when the hypervisor maintains a second virtual processor %IDLE:CPU Idle time percentage If the value of%iowait is too high, indicates that the hard disk has an I/O bottleneck and a high%idle value indicates that the CPU is idleIf the%idle value is high but the system responds slowly, it is possible that the CPU
Most products on the market currently support the SNMP Protocol. As long as devices that support the SNMP protocol can use MRTG for monitoring, the following are the specific configurations and services for installing linux Mrtg to monitor host traffic. (1) linux Mrtg monitors host traffic. First, modify the snmp configuration file:# Vi/etc/snmp/snmpd. confRemove
Some time ago there is a maintenance of the author of the small computer room air conditioning failure, high temperature caused the system card slow, no one found. So I want to use Zabbix to monitor the CPU temperature and set the alarm threshold value, but also can monitor the fan anomaly, the wind board too dirty air, process deadlock caused high CPU usage anom
Supervisor is a good option when the Linux service needs to run reliably, and after the service exit, it needs to be restarted automatically and can monitor the status of the process, supervisor is a process manager developed in Python. The following is the installation configuration process.1. Installing SupervisorEasy_install Supervisor Setuptool Installation methodApt-get Install Supervisor Debian/ubuntu
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 process, making data analysis easier. Next, we can see a tool called Munin, which represents the memory and the name of a crow of the Odin G
Use iostat in Linux to monitor the I/O status. We can use sar (1), pidstat (1), mpstat (1), vmstat (8) for monitoring.I. Installation yum install sysstatIi. Parameter explanation FILES /proc/stat contains system statistics./proc/uptime contains system uptime./proc/partitions contains disk statistics (for pre 2.5 kernel
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