Capture nethogs output in log file

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I want to check the network bandwidth used by my process. For this i found that nethogs tool is useful. Using this tool i can see which process is eating up a network bandwidth and process behaviour. But how do I capture data from nethogs for a my process and store it into log file ?

You can use this command to capture output:

nethogs -d 5 | sed 's/[^[:print:][:cntrl:]]//g' > output.txt

Capturing per process bandwidth usage using nethogs, Nethogs refreshes every second and gives the output in kbps . second and assume that the file size will not be too high for logs fetched over� Re: Capture error/and output of commands to log file « Reply #5 on: October 17, 2011, 06:04:46 PM » In order to address your first issue regarding the ERROR_EMAIL.bat, I would suggest either checking your syntax on postie, or possibly using a different program to accomplish the task.

I dont know when these options got implemented but you can use nethogs -t or nethogs -b, the pid and user are strangely placed at the end of the pid command string, but easy enough to parse.

I think you need to use the latest cvs version 0.8.1-SNAPSHOT

How to Monitor Network Traffic in Linux with nethogs, nethogs is very useful when you need to monitor network traffic by process. reason of this installation is that we need user-level network packet capture information and statistics. I get the following output when running the command nethogs on my terminal. 16 Tar Commands to Compress and Extract Files in Linux. It successfully captured the output but It stopped throwing the log messages in console. All the log messages got diverted to the stdout and stderr file which i dont need. I need the script should throw log as well as record it. Like in script command it throws logs as normal process as well as records it. Please help! Thanks ricky

The right command of nethogs is

 nethogs -d 1 eth0 > output.txt

You need to specify the network interface otherwise, the default interface eth0 will be used. Sometime, nethogs might not show the proper output because of the network interface. It is always better to provide the network interface and generate some traffic during the experimentation. You can print the output to a file by adding > output.txt -d argument specifies how frequently the output will be shown. Here, I gave 1, this indicates that the output will be shown per second.

Hope this might be useful.

Is there a mode to write the output of per-process network , Morning, We spotted nethogs and were hoping to use it to help drive out some benchmarks on Run nethogs with -t option to get the log file I'm working on a script that will perform a backup, save a log of said backup and send the output to me in an email. Everything is working fine so far except that I can't figure out how to specify a maximum file size for the log file. I don't want a runaway log file jamming up the server. (7 Replies)

You can run nethogs in background in tracemode and write output to a file like this:

sudo nethogs -t eth1 &> /var/tmp/nethogs.log & 

Download and build the nethogs-parser as described here.

Then after you have accumulated enough data you can run the parser to see the results:

./hogs -type=pretty /var/tmp/nethogs.log 

Make sure to kill the running nethogs process when you are done collecting data.

More info here on automating the task.

per process bandwidth usage using nethogs � Issue #94 � raboof , OUTPUT=/var/log/nethogs/$TIMESTAMP.log Edit : After I let the command run a few minutes, my output file gets some values Re-Edit : I discovered that fixes #119 - add support for pcap capture filters #136. Merged. 4. less Command – Display Real Time Output of Log Files. Finally, you can display the live output of a file with less command if you type Shift+F. As with tail utility, pressing Shift+F in a opened file in less will start following the end of the file.

Linux tool to monitor bandwidth consumption of a specific process , I want at least a tool like Nethogs that can output into files (Nethogs captures only TCP connexions) a similar tool that targets both TCP and UDP would be great. Using the output files. When tracing is stopped, two files are generated by default: an Event Trace Log (ETL) file and a .cab file. Trace events are collected in the ETL file, which can be viewed using tools such as Network Monitor.

Capture nethogs output in log file, process behaviour. But how do I capture data from nethogs for a my process and store it into log file ? anubhava You can use this command to capture output: Can I redirect output to a log file and background a process at the same time? In other words, can I do something like this? nohup java -jar myProgram.jar 2>&1 > output.log & Or, is that not a legal command? Or, do I need to manually move it to the background, like so: java -jar myProgram.jar 2>$1 > output.log jobs [CTRL-Z] bg 1

software recommendation, Capture nethogs output in log file. 由匿名(未验证) 提交于2019-12-03 08:41:19. 可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭� Last, if you’re worried about space and log file rotation, there are smarter ways to do it, and we’ll talk about that in the next section. Work Smarter, Not Harder With Easy to Use Log Searching & Monitoring. Now that we’re logging everything, and it’s great, contextual data, we’re going to look at the next part of the equation. As I

Comments
  • possible duplicate of redirecting console output to a file in unix
  • @anubhava :Thanks for your time, but It is not working. it fails with error "Waiting for first packet to arrive (see sourceforge.net bug 1019381)"
  • @l0b0: gone through the the link. nethogs won't gives the large amount of output. it just simply refresh the screen like top. is there another way to do it ?
  • This won't work. The resulting output.txt does not show any statistics.
  • Feel free to create a new question as this is old answer and output from this utility may vary depending on your version and system.
  • @ValerioSchiavoni use like nethogs -t and the output is very reusable!
  • For example, collecting data for 5 seconds and printing output once: nethogs -c 1 -d 5 -t
  • @Richlv this is good, but for actual 5 second collection, -c 2 seems to be necessary. Probably the first one doesnt count
  • That doesn't work either: No devices to monitor. Use '-a' to allow monitoring loopback interfaces or devices that are not up/running
  • About automating the task at that site I first got instant empty logs. In monitor.sh I had to change sh by /bin/bash to get a report (first tried with 30 secs timeout)