network status monitor

(I) download Nethogs-0.8.0.tar.gz Before installation, you may needYum install ncurses * (Ii) Role Different from other statistics and monitoring of network card Traffic, nethogs is a bit special and can monitor eachNetwork bandwidth usage of processes (Iii) UseThis program requires the root permission. By default, the eth0 Nic is monitored. If multiple NICs exist, you must specifyNethogsNethogs eth1Net

In linux, tcpdump is used to monitor network traffic, and exported files are obtained to wireshark in windows to analyze the command lines in linux: tcpdump-I eth1-s 0 host 10.12.129.3-w output.txt-I indicates listening on eth1. The default value is eth0,This is not specified at the beginning, and the traffic of a certain machine cannot be monitored. -S indicates the package size. 0 indicates the unlimited

I looked at the/proc/net/dev under Linux to record the number of packets and bytes sent and received by each network card. So initiation thought, wrote one. Operation Effect: Copy Code code as follows: [root@74-82-173-217 ~]#./net.sh Current Ip:inet addr:74.82.173.217 bcast:74.82.173.223 mask:255.255.255.224 Summry info:rx bytes:203692709 (194.2 MiB) TX bytes:93525930 (89.1 MiB) Eth0 Receive bytes:573 Packets:3 Eth0 Send bytes

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 |

In the network application, sometimes needs to the user equipment network state to carry on the real-time monitoring, has two purposes:(1) Let users understand their own network status, to prevent some misunderstandings (such as the use of strange applications incompetent)(2) According to the user's

How Android checks the status of the network connection is a common problem in Android development.Obtaining network information requires the appropriate permissions to be added to the Androidmanifest.xml file:1) Determine if there is an Internet connection2) determine if the WiFi network is available3) Determine if th

cancelbuttontitle:@ "OK" otherbuttontitles:nil];122 123 [alert show];124 the }126 127 @end Description The above program first calls the Reachability class's Reachabilitywithhostname: Class method to get the Reachability object, The object's Currentreachabilitystatus method is then called to get access to the specified site, which returns the NetworkStatus enumeration value, which has the following 3:typedef enum{notreachable = 0,//No connectionreachableviawifi,//using 3G/4G

*wifistatus =[reachability Reachabilityforlocalwifi];4 5 //Detect mobile network status6reachability *netstatus =[reachability reachabilityforinternetconnection];7 8 //Determine network status9 if([Wifistatus currentreachabilitystatus]! =notreachable) {TenNSLog (@"is using WiFi internet access"); One}Else if([Netstatus currentreachabilitystatus]! =notreachable) { ANSLog (@"using your mobi

a message about receiving an Internet connection"); Networkutil.isnetworkavailable (context) networkavailable = = True) {log.i ("Main", "Disconnected network"); Networkavailable = false; Toast.maketext (Context, "Network unavailable", 1). Show (); else if (networkutil.isnetworkavailable (context) networkavailable = = False) {log.i ("Main", "Network connection

In the network application, sometimes need to monitor the network status of the user device in real time, there are two purposes:(1) Let users know their network status, to prevent some misunderstandings (such as the application o

. In the APPDELEGATE.M file-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (nsdictionary *) launchOptions{Monitor network status[[Afnetworkreachabilitymanager Sharedmanager] startmonitoring];}The following code is used in methods that need to listen for network stateAfnetworkreach

"""Network Monitoring v2.0, improved to use multi-process concurrency monitoring multiple IP or domain names, more efficient compatible WinXP system simultaneously check local to baidu.com or qq.com and other communications and attached to the mail, you can more objectively understand the local network situation linxingyi20160305 """ImportOS, time,subprocess, Smtplib, datetime, Platform fromMultiprocessingI

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

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)]

Over the past few years, the responsibilities of corporate IT executives have changed dramatically. On the one hand, the size and complexity of the corporate network multiplied, more and more new businesses are being ported to the network environment, while business units and external customers in the company are increasingly reliant on the network for day-to-day

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