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Sometimes our customers will find that the server or VPS network is slow, and further find that a lot of bandwidth is occupied, some customers so far do not know how to do. Is there a simple way to figure out which program (or process) is taking up the bandwidth? Linux monitors the flow of small tools, such as Iftop, Iptraf, Ifstat, Darkstat, Bwm-ng, Vnstat, and so on, mostly statistics and monitoring network card traffic. The nethogs introduced today
Tags: file descriptor exists command Simple shell script Moni information character implementation standard#!/bin/shPs-fe|grep processstring |grep-v grepIf [$?-ne 0]Thenecho "START process ..."Elseecho "Runing ..."Fi#####Processstring represents a process feature string that can be queried for a unique process's characteristic string0 indicates the existence of the$? -ne 0 does not exist, $? -eq 0 Exists---
This example analyzes the way Android listens on the home key. Share to everyone for your reference, specific as follows: How do I know if the home button is clicked? When doing launcher, look at the source code to find out why If your activity has these attributes When the system clicks the Home button, the system sends a intent to the activity with these properties Then you rewrite the Onnewintent method of the activity. This metho
Zabbix Monitoring process Downtime Business requirements Back-end process can be quickly pulled up in a short period of time, the business impact is small, but the development needs to see coredump, the needto monitor the PID changes, under the existing framework Zabbix can monitor and alarm; of course Zabbix set alarm
Tags: mysqlmysql3306 Port down#!/bin/bash##### #mysql monitor# #while:d osleep 80/usr/bin/nc localhost 3306-w 2 >/dev/nullh= 0if [-ne 0];then/etc/init.d/mysql start fidone#!/bin/bash##### #mysql monitor# #while:d osleep 80/usr/bin/nc Localhos T 3306-w 2 >/dev/nullh=0if [-ne 0];then mysqld--defaults-file=/data/mysqlc/my_cluster/conf/my.cnf--us er=mysql Sleep mysql-u root-pdota.123-e "Select Memc_servers_set
Android Developer: Memory Monitor demo This demo shows the basic usage and process of the Memory Monitor tool in Android Studio. Memory Monitors reports the Memory allocated by your app in real time. Its advantages: Display available and used memory in the chart, and garba
Process monitoring is a tool for you to find Trojan horse programs and automatically killing certain processes. It can effectively see the unknown process. For stubborn viruses, stop the virus before it runs without finding the root cause. Click the Monitor button on the process main interface to open the dialog box
Use shell script to monitor whether a process exists without a startup instance, first on the code dry: #!/bin/sh ps-fe|grep processstring |grep-v grep if [$-ne 0] then echo "START process ..." else #####Processstring represents a process feature string that can be queried to a unique process's character s
This article describes how to use python to monitor apache server processes in linux. for details, refer to crtrl. py to monitor the Python scripts of Apache server processes. The code is as follows: ! /Usr/bin/env PythonImport OS, sys, time While True:Time. sleep (4)Try:Ret = OS. popen ('PS-C apache-o pid, cmd'). readlines ()If len (ret) Print "The apache proce
Use NetHogs to monitor the network usage of each process in Linux (I) download Nethogs-0.8.0.tar.gz Before installation, you may need to install yum install ncurses * (Ii) Role Different from other statistics and monitoring of network card Traffic, NetHogs is a bit special and can monitor the network bandwidth usage of each
When using thunder, even if nothing is downloaded, the upload is also turned off, and the network speed is still poor. The task manager is running at full load. Why? This article describes how I found out the clues of Thunder's "theft" activity, and estimated the losses and potential risks to our users. Finally, this article puts forward some effective countermeasures. The content in this article is also of great value to those who use other software downloads. For the sake of security and priva
Nethogs is an open source network traffic monitoring tool that shows the bandwidth usage of each process, which makes it more intuitive to use the network. Nethogs supports IPV4 and IPV6 protocols, supports local network cards, and PPP links.Where the PID column shows the program's process number, the user column shows the program's owner, the program column shows the specific name of the programs, the Dev
Tags: style blog color using SP on div log$$*****************************************************************$$ Script by KMS_HHL to monitor process create and show call stack$$ Create Time 2014_11$$ nt5 ntcreateprocess->ntcreateprocessex->pspcreateprocess$$ nt6 ntcreateuserprocess$$ Execute by $$>D:\BaiduYunTongBu\ Baidu Cloud Sync disk \windbg_sc\2sc_process_monitor_x32.txt$$ We traverse the tail of the l
Function: Monitor the MySQL process, the failure is restarted, if unable to start the email notification The code is as follows: The code is as follows Copy Code #!/bin/bash#/usr/bin/nmap localhost | grep 3306#lsof-i:3306mysqlport= ' Netstat-na|grep ' LISTEN "|grep" 3306″|awk-f[: ""]+ ' {print $} ' function Checkmysqlstatus () {/usr/bin/mysql-uroot-p11111–connect_timeout=5-e "
(i) Download installation1. Download VISUALVMDownload on official website, with Mac version2, tools-Plug-ins, select the plug of interest to installAt this point, if there is a local running Java process, then the local there is already able to monitor the analysis(ii) Remote server configuration1, in any directory to establish the file Jstatd.all.policy, the contents are as follows:Grant CodeBase "file:${j
Before downloading nethogs-0.8.0.tar.gz, yuminstallncurses * may be required. (2) The role is different from other statistics and monitoring of Nic traffic. NetHogs is a bit special and can monitor the network bandwidth usage of each process. (3) root permission is required to use the program,... (I) download Nethogs-0.8.0.tar.gz Before installation, you may need to install yum install ncurses * (Ii) role
In recent days several memcached server, one to four o'clock in the morning to monitor the load abnormal rise, I do not want to climb up around four to see which process caused, wrote a simple script record top output value to a file, the next day to review.Script#!/bin/bash# [email protected]-#whiletrue ; Do time = 'date +%f-%h:%m:%S ' echo $TIME >>/tmp/get_ Top.log 1head - >>/tmp/get_top.log
0.000 0.000 kb/sec Total 0.666 0.059 kb/ SecShows the current network usage of each process:Press "M" key to switch to the statistics view to show the total network usage of each processPress "CTRL + C" or "Q" to exit the monitorUse Help:[Email protected] ~]# nethogs--helpnethogs:invalid Option--'-' usage:nethogs [-v] [-b] [-D seconds] [-t
㈠ Download and installPreparation Environment: Yum-y Install Libpcap-devel ncurses-devel wget http://sourceforge.net/projects/nethogs/files/nethogs/0.8/nethogs-0.8.0.tar.gz/downloadtar xvzf nethogs-0.8.0.tar.gzCD NethogsMake make install㈡ Effectdifferent from other statistics and monitoring network card traffic, nethogs a bit special, can monitor each process of net bandwidth usage㈢ UseThe program requires
display of DataView is inaccurate.Workaround (Pending validation):1. Use the built-in Zabbix variable proc.cpu.util[2. Modify the commands in the script, using the following method instead:First, get the PID of the process name, and then combine top to run the following command:Top-b-n 1-p $pid 2>1 | Awk-v pid= $pid ' {if (= = pid) print $9} '3. Modify the commands in the script, using the following method instead:The PID of the
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