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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1answer
22 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
26 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 ...
8
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1answer
883 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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0answers
25 views

Wireshark/pcap not properly capturing all traffic on network

I use tcpdump/pcap to capture my network traffic. First I set up non-promiscuous mode, and capture my traffic. And I open some traffic intensiv website and I reach in less than 2 seconds about 900 ...
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0answers
32 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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0answers
77 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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0answers
22 views

catch network app

I want to catch an unknown application that use internet time to time and may have very short internet connection session. wireshark may could be ideal for that but it has no process name or PID of ...
0
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1answer
166 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 ...
0
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0answers
33 views

passing untagged traffic

how can i pass untagged traffic from auxiliary bridge to virtio interface, Where we are sending mirror traffic from a switch to the aux port Then to the kvm virtual interface Regards, nnakhle
0
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1answer
111 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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0answers
293 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 ...
0
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0answers
25 views

Best place to add wifi monitor interface

if [ -e ????? ]; then iw dev wlan0 interface add fish0 type monitor ip link set fish0 up ?????? fi Where is the best place to put something like this to automatically add a monitor ...
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0answers
28 views

Run command when request is made to a certain domain

I'd like to detect when my computer sends a request to a domain, say http://example.com and automatically run a bash command when it happens.
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0answers
30 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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0answers
63 views

Missing ethstat metrics in collectd after upgrade to Ubuntu 18.04

I recently rebuilt my server images to use 18.04 instead of 14.04. I mostly have everything working again, but one issue remains outstanding. I've been using this config for the ethstat for collectd ...
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0answers
62 views

How to get PIDs of processes with most network usage in descending order

I'm using my phone's hotspot for using the internet on my laptop with Ubuntu 18.04 installed. But even if I'm not doing anything, my laptop is still using the data and consumed my whole data pack ...
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2answers
3k 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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0answers
224 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 ...
0
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2answers
414 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 ...
0
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1answer
49 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 ...
0
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1answer
27 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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0answers
186 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 ...
0
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1answer
55 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). ...
0
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1answer
100 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 ...
0
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1answer
174 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 ...
0
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1answer
233 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 ...
0
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1answer
627 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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0answers
372 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: ...
1
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1answer
435 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?
1
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1answer
722 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 -...
1
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1answer
149 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 ...
2
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2answers
556 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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0answers
57 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 ...
1
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1answer
461 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 ...
1
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1answer
137 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
597 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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0answers
41 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.
1
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2answers
6k 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 -- ...
15
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4answers
5k 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-...
0
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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 ...
2
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1answer
140 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 ...
0
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1answer
199 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 ...
1
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1answer
809 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 ...
1
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1answer
260 views

How can I install Stor2rrd?

I'm new to Linux. I need to install Stor2rrd and I'm trying to follow these instructions I'm confused about where I put that sentence in apache2.conf:
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0answers
35 views

processes consuming data over network

Since using a usb modem with a 2GB contract per month, I need to take care of who's consuming data over network. It turns out that: 1) snapd connects from time to time, is there a way to configure it? ...
0
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1answer
87 views

How to record ip connections on my machine?

I have an ubuntu laptop and I would like to record my internet connection continuously. In other words I want to save in a txt file all the ips that my machine connects to in a certain amount of ...
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0answers
362 views

Setting up a Raspberry Pi to monitor on Multiple Channels with Nexmon Drivers

I'm pretty far in the process of using a Raspberry Pi to monitor network traffic, using tcpdump. I then send the file to a kali linux desktop, using scp. Then I view the data in wireshark. I'd like ...
2
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0answers
32 views

How can I monitor data usage only when connected to a specific gateway?

I have a laptop that I connect to different network. I have a limited data plan at home and I want to monitor data usage only at home network. I know vnstat monitors interface only and it is not ...
1
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4answers
6k views

Ping monitoring program

I'm looking for a tool that I can use to monitor my ping time to a gaming server in real time. I've been getting lag spikes and want to watch where they are happening, how often, etc. I'm very new to ...
1
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0answers
835 views

How to turn off Network Discovery and Share between computers on LAN in ubuntu 16.04 LTS

I want to disable my Network Discovery and Share between computers on LAN in ubuntu 16.04 LTS . Please help in terms of terminal coding or may be another way.