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Here are the various types of memory:Virt:virtual Memory Usage1. The process "required" virtual memory size, including the library, code, data, etc. used by the process2, if the process to apply for 100m of memory, but the actual use of only 10m, then it will grow 100m, rather than the actual use of the volumeRes:resident Memory Usage resident RAM1. The memory size currently used by the process, but does not include swap out2. Sharing with other processes3, if the application of 100m of memory,
The recent use of a partition on the line was too fast, and Nagios did not turn on the monitoring of partition usage, taking a few minutes to temporarily write a script to use first. The usage is relatively simple, directly on the code:Note: The SendEmail script used in the code is an e-mail program developed by Perl that can be found online or using other email scripts#!/bin/bash#--dir:monitoringofthemountpoint#--critical:criticalvalue#--warning: warningvalue#--ip[$#-eq0]{ echo "$0[--dirpath--c
The examples in this article describe the way JavaScript monitors variable changes. Share to everyone for your reference. The specific analysis is as follows: You should know that in C # for attributes, files, etc. change monitoring is very simple, because there are commissioned (event), FileSystemWatcher and other good dongdong support. So how do you monitor changes to variables in JavaScript? First, I followed the C # attribute to the JS operation
second column of information, the return state thrown into the black hole. sleep2cd/soft/tomcat/bin//bin/shshutdown.shsleep2/ bin/shstartup.sh #echo "EN" echo$ (date) "Tomcatrestart ">>/var/log/log.log# Write Log sleep60# Wait after the reboot is complete, and then try again if!curlit;then# if you still can't access it,: echo "@" echo$ (date) "failed!" >>/var/log/log.log# write Tomcat still restarts the failed log fisleep 180fi}sleep3# run the script before it starts to work (prevent a misca
configuration parameters that enable JMX remote connections.GC-related parameters:Information files used to generate the memory heap (which can be analyzed with two tools provided by IBM):A few more parameters are added below to generate GC related files:-verbose:gc-xx:+printgcdetails-xx:+printgcdatestamps-xloggc:/var/log/hive/gc.hiveserver2.log-' date+ '%y%m%d%h%m%s '-XX:+ Heapdumponoutofmemoryerror-xx:heapdumppath=/var/log/hive-xx:+disableexplicitgc-xx:+usecompressedoopsAfter adding, restart
'File=open (Base)F=open (Wbase, "w")#raw_command = raw_input ("Input command:")While 1:Lines = File.readlines (10000)If not lines:BreakFor line in lines:Serverm=line.split (', ') child = Ssh_command (serverm[0],serverm[1],serverm[2], ' df-h ')# match Pexpect. Eof Child.expect (pexpect. EOF)# output command result.#print serverm[1]+ "Disk space as follows:" #print Child.beforeF.write (Serverm[1])F.write (Child.before)F.close ()File.close ()ReadLine (Wbase,date)def readLine (base,date):File = ope
) main (type)If you perform the following error in the test times:[email protected] python]# python check_mysql_custom.py slave_statusTraceback (most recent):File "test.py", line +, in con = mysql.connect (user= ' Zabbix ', passwd= ', port=3306)File "/usr/local/lib/python2.7/site-packages/mysqldb/__init__.py", line Bayi, in ConnectReturn Connection (*args, **kwargs)File "/usr/local/lib/python2.7/site-packages/mysqldb/connections.py", line 193, in __init__Super (Connection, self). __init__ (*args
Tags: CPU alarm sendmail Alarm Shell CentOS 7.2Operating system: CentOS 7.2SendMail Automatic Alarm#完成时间: 2018.04.16#!/bin/bash#CPU 1,5,15###########################################################If [-e Detection_script]ThenMkdir-p/detection_script/Fi############################################################Dt=/detection_script/datetime.txtCl=/detection_script/cpuload.txtct=/detection_script/cputime-$ (date +%y-%m-%d). txtC3=/detection_script/cpu3.txtDate > $dtUptime | awk ' {print $6,$7,$8,$
Little left teaches you how to set up multiple displays in Windows 8 to make your screen display flashy. Detailed reference: Directory: 1. Set up multiple monitors 2. Dual monitor use of key enhancements 3. Connect the Monitor 1. Multiple Monitors Some changes have been introduced that will be the computer Users who connect to multiple monitors
Because I used my t61 notebook, I always felt that the display was too small, so I used an external display in the company. On the one hand, dual screen can improve efficiency and the big display looks comfortable, however, when I got home, I couldn't use an external reality. Sometimes I connect to a projector in the company. Recently I found a problem. When I connect to the external display and start the system, the following prompt appears:Later, I thought back to this situation in Ubuntu 11.0
Oracle8x monitors sysdba Role user login Oracle 8x monitors sysdba Role user login The ORACLE tutorial is as follows: Oracle 8x monitors the logon status of sysdba users. Before Oracle 8i, internal users were used to start and shut down databases and create databases. Since the 8i version, Oracle has gradually eliminated internal users, users granted the sysdba
Original requirements for dual-Screen DisplayA computer with a display should be the most common combination. Our daily work and entertainment baseIn this case. However, when you open multiple windows, a single display is very crowded, especially when you do some complex work, such as analyzing charts and debugging programs, you often need to constantlyIt is very troublesome to switch back and forth between different windows. Is there a way to make these things simpler?Yes! The answer is: Window
Zabbix monitors the status of tcp connections The Tcp connection status is crucial for our web servers, especially the concurrency ESTAB or the syn_recv value. If this value is large, we can determine whether it is under attack, or if the value of time_wait is relatively high, we should consider whether the kernel needs optimization. If the value of time_wait is too high, it will occupy too many ports. If the number of ports is small, the consequences
VC ++ monitors remote computer screens Author: anonymous nameArticleSource: daily hits:669 updated on: Summary : This article introduces a method to monitor remote computer screens through Socket network programming and screen capture technology. Keywords: Socket; screen capture; remote monitoring; Network Preface In actual projects, there are often situations where the construction site and the control center
"Microsoft found that if each employee uses three monitors at the same time, it will effectively improve their work efficiency ." Lee Gomes, a reporter from the wall street daily, reported from the Microsoft Information Work Center that the center is dedicated to the use of computers by office staff and how they are optimized.Microsoft researchers found that the size and quantity of displays on the table will directly affect the work efficiency of emp
It is easy to use the multiple adapter in direct3d. Ms seems to be more advantageous in terms of hardware control support. OpenGL focuses more on cross-platform systems and does not seem to focus on platform hardware interfaces; however, the demand for Multiple display monitors exists. How to easily implement multiple Display monitors in OpenGL is also an important requirement. This will affect the support
Python monitors the number of TCP connectionsPython monitors the number of TCP connectionsFirst to understand the next/proc/net/tcp this file, which is recorded in IPv4 all TCP connections, including the following valuesSL local_address rem_address St Tx_queue rx_queue tr tm->when retrnsmt uid Timeout inodeNote: The files are all used in the 16 binary we focus on St this column,Status Code table
Nagios monitors vsphere ESXi host hardware status (CPU fan, power module, hard drive, temperature)Read-only accounts and passwords for ESXi (this article takes chkhardware/chkreadonly as an example)Insert frame, this address is accompanied by the relevant instructions: http://www.claudiokuenzler.com/nagios-plugins/check_esxi_hardware.phpESXi Host: DELL R410ESXi version: ESXI4.0Configuration1) check_esxi_hardware.py Copy to Nagios plugin directory/usr/
Zabbix (4): Monitors multiple MySQL instances on Microsoft cloud Azure by modifying the official apsaradb for redis template of Zabbix. Since MySQL instances on Microsoft cloud cannot install plug-ins to export data, refer to the previous article to monitor multiple Redis instances on Microsoft cloud Azure using the official Zabbix template. We can modify the official redis script of zabbix, use commands such as show status to obtain mysql status indi
Today I metWhen two monitors are used, the second screen is very dark. I just inserted an extended screen.Settings: Display Settings on multiple screens (averageRight-click the graphic attributeOrControl Panel-appearance and personalization-DisplayThere will beMulti-Screen DisplayDisplay) The content of the two screens can be the same orExtended display For Win8SuggestionsPlaceRight sideDisplay settings for the main display ---- This can avoid the
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