network utilization monitor

Use Shell in Linux to monitor network traffic, and use linuxshell #input the network name if [ -n "$1" ]; then eth_name=$1else eth_name="eth0"fi send_o=`ifconfig $eth_name | grep bytes | awk '{print $6}' | awk -F : '{print $2}'`recv_o=`ifconfig $eth_name | grep bytes | awk '{print $2}' | awk -F : '{print $2}'` send_n=$send_orecv_n=$recv_o i=0while [ $i -le

#!/usr/bin/pythonImport PsutilImport JSONImport timeDef item_disk ():Return Dict (Zip ([' Total ', ' used ', ' free ', ' percent '],psutil.disk_usage ('/')))Def item_cpu ():Return Dict (Zip ([' User ', ' system ', ' nice ', ' idle '],psutil.cpu_times ()))Def item_mem ():Return Dict (Zip ([' Total ', ' available ', ' percent ', ' used ', ' free ',' Active ', ' inactive '],psutil.virtual_memory ()))Def item_net ():Return Dict (Zip ([' Bytes_sent ', ' bytes_recv ', ' packets_sent ', ' packets_recv

Share a daily use of the monitoring network, disk usage, average load and ram used by shell scriptsThe script is in the attachment.Use the following:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/73/59/wKiom1X6neKQsS7LAAQKmVx2JC8032.jpg "style=" float: none; "title=" shell.jpg "alt=" Wkiom1x6nekqss7laaqkmvx2jc8032.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/73/56/wKioL1X6oBvDKxhwAADLtW8inwM572.jpg "style=" float: none

First, automatically discover the network card and monitor Create a new template first 1. The Discovery rule name is Network interface discovery Key value is Net.if.discovery 2, filter to add the macro to the {#IFNAME} matches @Network interfaces for discovery 3. New Project prototype Create a

Prepare Raspberry Pi Development Board ( Click here to purchase ) (has been brushed into the official Raspbian system ) USB to Serial board ( click here to buy ) DuPont Line (4 root) Connection 串口板 树莓派--------------------VCC +5V(非必须)RX TXD(GPIO15)TX RXD(GPIO14)GND Ground　　　　　Raspberry Pi pin Map (40PIN Gpio For example, 26PIN Gpio compatible)　　serial terminal software Installation and connection [Ubuntu Linux Environment]1. Instal

Background ==================== In Network Monitor Trace, all frame-related metadata (metadata) is stored in a top-level object called 'framevariable. in this object, you can access all time-related attributes, just like accessing other attributes such as frame length and Media type. Time information is stored in the following attributes: FrameVariable. TimeOffset-This is an offset, and its reference is t

I suddenly wanted to monitor the network card Traffic in Linux and didn't want to use cacti. I thought it was very troublesome to Configure SNMP. Ready-made tools seem to be useless. Decide to write a script by yourself. Click (Here) Fold or open #! /Bin/bash Rx1 = $ (ifconfig $1 | grep "RX bytes" | awk '{print $2}' | awk-F: '{print $2 }') Sleep 1 Rxa = $ ($ rx1/1000 )) Rx2 = $ (ifconfig eth0 |

Install WIN8 machine after performing the system update, a yellow exclamation mark appears in the Device Manager's WAN Miniport (Network Monitor), which affects normal network functionality, as shown in the following illustration: Solution: Once this occurs, you can temporarily delete this item in the following ways. 1 Press the Windows key and R k

In the VS2005,. NET has a FileSystemWatcher control, used to monitor file changes, it will notify the file creation, modification, delete the message. There are a lot of examples on the Internet, but in practical application, I found some problems to be solved, I made a simple demo to solve the following problems: 1. Multiple consecutive triggers (solved by a timer) 2. Able to monitor the

Nethogs is a small, free open source command-line tool used to count network bandwidth usage in real time by process or program.For use similar to "repo tool", "Depot_tools" and other tools checkout source code is very useful, you can view the current download speed information, so you do not blindly wait.Installation under Ubuntu system sudo apt-get install Nethogs How to use Nethogs [-d] [-h] [-P] [-t] [-v] [device (s)]

of the process (directory)--"for the benefit of other virus intrusion view illegal process." Stat Description:D a process that cannot be interruptedThe process of R run stateS Process in sleep stateT pause, Stop the processZ Zombie Process+ Foreground ProcessN Low-priority processesMemory paging is locked in memoryS master ProcessL Multithreading ProcessView network StatusNetstat (view TCP/IP communication status)Listening port: For other machines to

you do not understand the operation of 2, want to look at the detailed steps here, in another blog:3. After connecting the Raspberry Pi to the WiFi, the installation method has a tutorial. It should be noted that if the WiFi signal is above 10 channels, it is likely not recognized, then the router's channel to tune not more than 10.4. To install the Remote Desktop, then follow the steps inside to install the system desktop, and then install a XRDP Remote Tools. Steps:sudo apt-get Install Tightv

] System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW (MSG ByRef) 0030eeb8 552f6292 system.windows.forms.application+ ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop (INTPTR, Int32,Int32 ) 0030eebc 552f5e6a [inlinedcallframe:0030eebc] 0030ef44 552f5e6a System.windows.forms.application+threadcontext.runmessageloopinner (Int32 , System.Windows.Forms.ApplicationContext) 0030ef88 552f5bd0 system.windows.forms.application+ Threadcontext.runmessage

. The disadvantage is that the name of the process is not displayed.Linux under Grab BagGrab Bag Tool tcpdumpSee which packages are coming in. And the flow of data, length. The default is TCP packets, if you find a lot of UDP packets are likely to attack. Eg DDos UDP flood. Access to professional anti-attack devices or services only.TCPDUMP-NN NIC Name-nn the first n means that the IP is displayed as a number without displaying the hostname.Time source IP and port > Destination IP and port: Pack

Tags: monitoring io performance FREE Command PS command View network status Linux under Grab BagMonitoring IO PerformanceIntroductionThe Iostat is primarily used to monitor the IO load on the system device, iostat the statistics from the start of the system startup when the first run, and then running Iostat displays statistics from the last time the command was run. Users can obtain the required statistics