Questions tagged [network-monitoring]

Network monitoring systems check and report the status of network components, so administrators are alerted by degraded performance or outages.

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9 views

Skype SYN_SENT flood brings down modem/router on Kubuntu 20.10?

We're having trouble connecting to the internet for an extended period of time, even with 2 power reboots of the router/modem. So I thought I'd look at what was happening on the network. My skype (...
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1answer
46 views

How can I get the Last-modified header on a https website?

I'm trying to trigger a last-modified response from a https website, but all I get is 301 Moved Permanently The above only works on websites with http and I can't figure out why it won't work for ...
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31 views

How to Install bully - airgeddon tool

I did install airgeddon and other tools however I'm stock in installing bully I did try: sudo apt-get install bully but the result is Unable to locate package bully
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14 views

how to easily get all https addresses that an application connects externally?

for those who have a firewall with highly restrictive outputs, they only need to release supposedly reliable addresses for each application, so I was wondering if there is any software or command line ...
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Centrino Wireless-N 1000 BGN | Getting internet speed 13.5 Mb/s (connected to 270 Mb/s)

Problem Internet speed (wireless connection) on my PC is extremely poor whereas other devices (like cell phone, ipad etc.) using the same network works fine. Solutions tried so far but no luck ...
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32 views

ubuntu 20.04 system hangs when starting monitor mode

I tried putting ubuntu 20.04 system in monitor mode using airmon and iwconfig, but in both ways my computer is getting hanged(wifi-RTL8723DE). How to solve this problem ?
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560 views

Can't install Angry ipscan in ubuntu LTS 20.4

I can't install Angry ipscan in ubuntu.When I tried to install it showed this:Error_Image But I have already installed Oracle Java JDK. Screenshot:Java_image I am not good with nmap or arp-scan & ...
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1answer
417 views

How to track Firefox's Internet Usage for each tab?

My firefox is hogging up way too much of my bandwidth but I can't seem to figure out what is consuming all that data. I have only 2-3 active tabs, the rest 50 tabs from previous reboot are on sleep. I ...
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1answer
101 views

Why does Gnome System Monitor Network Graph always show '0 bits/s' as a regular user?

I am using gnome-system-monitor installed with Ubuntu 20.04, and the network graph always shows '0 bits/s', whereas the system-monitor extension (the one in my top bar) shows my actual network usage. ...
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1answer
56 views

Redirect bash output to file every 1 second

I want to redirect the output of the command tcptrack -i wlp3s0 to a log file every 1 second. For that I found this script: #!/usr/bin/env bash file="file_$((SECONDS / 10))0.txt" # ...
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147 views

Conky setup for sessional data usage

As in the above picture, the integration for data usage is acheived by the following code ${color orange}${voffset 2}${hr 1} ${color1}Network using vnStat "-i", "-w" and &...
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33 views

Missing DISMAN on SNMP

I am setting up monitoring on Ubuntu and would like to send snmp traps. I was already able to set the error flag to 1. UCD-SNMP-MIB::laErrorFlag.1 = INTEGER: error(1) UCD-SNMP-MIB::laErrorFlag.2 = ...
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77 views

distinguish us.archive.ubuntu.com downtime from DNS issue

Between approximately this time: Fri Jul 3 19:31:00 UTC 2020 and approximately this time: Fri Jul 3 20:31:00 UTC 2020 I couldn't install any packages from us.archive.ubuntu.com, but otherwise my ...
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31 views

Tools to Monitor particular application data consumption for a period of time [duplicate]

I am looking for a package to monitor bandwidth consumed by one particular app, e.g., the data of a Zoom meeting. i need to track that consumption. Can someone suggest any software that you know.
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94 views

Where does nload get the bandwidth data from?

tl;dr The bandwidth usage recorded by nload (home page) is higher than what's provided by tcpdump (home page). There seems to be a difference in bandwidth usage when I run tcpdump -e -w - | pv -a >...
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1answer
38 views

detect network malicious activity coming from own server

I have a VPS provider that is strictly disallows malicious activity like ssh-bruting, ddos, and such. I also have multiple users that use the single VPS machine, each allocated to one docker ...
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1answer
3k views

How to stop huge consumption of internet data by Ubuntu 20.04?

For the past 5 years, I have been using Ubuntu 14.04 LTS. During that time, I didn’t face any unwanted internet data consumption issues. Recently I installed Ubuntu 20.04 LTS. I haven't installed any ...
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43 views

Small data activity when plug USB drive

First of all I am not very advance linux user. Here is the situation : When I plug any USB flash drive then it sends about 156 - 300 bytes of data which I have seen at System Monitor. It also happens ...
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364 views

Scanning for WiFi networks - Difference between “iw” and “iw dev”

I am curious what the "dev" addition does in terms of output results or functionality of the command. sudo iw wlan0 scan vs sudo iw dev wlan0 scan
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611 views

Executing commands when network goes up or down using dispatcher.d

I'm trying to get the Network Manager dispatcher to run a script when the network interface comes up or goes down. I want to execute an espeak command when the connection goes up or goes down. I can ...
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1answer
225 views

Holes in network security

Ok I'm a noob on Linux. I set the ufw firewall cli and gui both to deny incoming allow out. I don't do torrents so I removed Transmission and the rdt clients as well. Today I'm looking at firewall ...
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524 views

How to install Veyon Client

With the need of shutting down all 34 computers from one place, I installed Veyon Master on the host computer. Now I can't connect the other clients to the host. Any Ideas? Maybe I need to install ...
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55 views

SNMP - Disk Free - Incorrect Values

just updated Ubuntu 18.04.03 LTS and now SNMP Disk Free values are coming back incorrect. Server still responds to SNMP requests, but the values are all 0. Is this a bug in an update?
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2answers
8k views

Since this morning the network is unreachable Ubuntu 18:04

This morning the networking in my Ubuntu 18.04 Server Edition is not working anymore : marco@pc01:$ sudo lshw -class network *-network DISABLED description: Ethernet interface product: ...
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244 views

Monitor mode not working in Qualcomm QCA9377

The monitor mode is not working in QCA9377 network card in any of the Debian distributions. Is there a custom fix for this anywhere? I've so far found that the kernel integration is missing. Has ...
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2answers
1k views

How to get network usage in percentage

I am able to get current upload and download rate, but how do I get the max upload and download rates for the network interface I am using, in *nix systems? For example, Windows shows network usage ...
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97 views

Network activity for decision to suspend/hibernate

i have a small server (ubuntu server) which i am using on demand. Meaning it switches on from suspend on request. I was trying to find a way, using cron to put the server to sleep after 90 min of ...
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1answer
28 views

Given a MAC address, can I determine what device it is through QTerminal?

The home router webpage lists connected MAC addresses. Is there a way to determine what the device is (e.g. iPad, PS3, Nintendo Switch, Windows laptop) and info about it (e.g. name input by its user) ...
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363 views

nethogs shows 0 KB although I have traffic

I am running a network related program that performs TLS handshakes with many hosts. I ant to monitor the network traffic so I used nethogs. It shows 0 KB. NetHogs version 0.8.5-2 PID USER ...
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1answer
116 views

Is there a Meter to indicate current Network Activity to the xfce4-panel

I already have a meter on the xfce4 panel which indicates the current CPU load (blue themometer), the current memory load (green thermomeer) and the current swap storage load (a yellow thermometer). ...
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1answer
125 views

xymon-4.3.28/configure.server: 94: .: Can't open build/fping.sh

I downloaded and installed all the prerequisites, and I run a configure file to build xymon. But I am getting the following error: xymon-4.3.28/configure.server: 94: .: Can't open build/fping.sh ...
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1answer
565 views

How to configure xubuntu panel network to a specifc network interface

Please consider the picture below. I have installed the xfce widget for network load monitoring but in the settings there is no option to select which network adapter is uses. By occasion, system has ...
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464 views

How we can monitor the network traffic of logs transferred through the rsyslog

I'm consolidating the client logs to a centralized server in Ubuntu using the rsyslog deamon. While consolidating the logs, how can i see the amount of network traffic or file size transferred from ...
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969 views

Is there an alternative for vnstat network traffic monitor?

After upgrading from Ubuntu 14.04 to 18.04 my USB modem's interface name changed from wwan0 to wwx001e101f0000. I do not mind that and also read this has some good reasons. Unfortunately vnstat ...
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725 views

How to check network bandwidth capacity in my Ubuntu device?

I need to check my ethernets cards network bandwidth capacity. The software instructions gives this command: sudo ethtool eth0 | grep Speed But when I try to run it in Ubuntu, I get this error: ...
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1answer
600 views

Need a service to monitor network traffic for every processes

Is there a tool as service which can monitor network traffic for every processes. So that I can use command-line to analyze the usage?
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1answer
1k views

configure error: cannot find ssl library (gtmess)

updated I have tried to install gtmess messenger according to their instruction but when i want to configure it the following error appears: checking for SSL_library_init in -lssl... no checking if -...
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1answer
258 views

Abnormally high network traffic on Ubuntu Bionic

Using nload I see a constant inbound traffic of 2.77MBit/s on my LAN connection. nethogs accounts for only 0.1KB/s of that. Tried rebooting, without logging in to the GUI, and still the same inbound ...
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2answers
1k views

Get network usage from specific date on terminal

On vnstat I can get the month, day, hour or top 10 days network usage. Is there anyway that I can get the network usage from specific date on the terminal? by vnstat or another tool? Edit: I want to ...
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58 views

Traceroute method to print the route that packets follow to a network host

Is there a particular traceroute method/options to print the route that packets follow to a network host, include showing the possible proxy servers and a network tap that installed on the link ...
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1answer
523 views

network traffic monitor over time

I am running an ubuntu server 16 and are looking to use an application that runs as a daemon collecting network traffic stats over time (day/week/month) and displays it in some form. I should be able ...
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1answer
162 views

Kippo Honey statup failure

When I try to start my installed kippo honey using ./start.sh, it shows following error. How can I fix this?
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1answer
787 views

cant get monitor mode “Aircrack-ng” in my ubuntu 17.10

here is problem.there isn't monitor mode.so i can't use aircrack-ng please help me!
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44 views

Adjust timeperiod for background scanning? [duplicate]

is it possible to adjust the automatic background scanning timeperiod? I want to decrease the time period. Thanks.
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2answers
8k views

Conky network section doesn't report IP or activity

I recently got a refurbished Thinkpad T430s and installed Ubuntu Mate 16.04.3 LTS. One of my customizations was to install conky and download a .conkyrc that gives me a running performance monitor -- ...
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6answers
8k views

Task manager a UI like with Windows 10's one

I like the UI in the Windows 10 task manager: In particular, I like the fact that the most important four shared resources on a computer are displayed without spurious information, and the color-...
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1answer
1k views

Not able to create AD HOC network

I am trying to create an adhoc network with following command in ubuntu 16.04: sudo iwconfig wlan0 mode ad-hoc essid my-mesh-network ap 02:12:34:56:78:9A channel 1 however when I try to enable ...
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1answer
235 views

watch with arp produce no output

I would like to display the output table of the arp command every 30 seconds, so that I can monitor Address Resolution Protocol traffic on my network. Unfortunately arp doesn't have such option. It ...
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1answer
221 views

How to log all process names that connect to the internet?

I found a virus in Windows 10 today, or at least debris of it and want to make sure Ubuntu is not similarly compromised. How can I log all process names that (try to) make an outgoing internet ...
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1answer
986 views

how to prevent the computer from going into sleep mode when data is being read over ethernet?

I use my desktop as a file server for music which plays on my Sonos system. Now, after the computer hasn't been in use for time X, it will go to standby/sleep mode and thus, the music will stop. Now I ...