The rate of data transfer. Bandwidth usually refers to Internet but it can also apply to other systems like the motherboard.

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36
votes
5answers
3k views

Who pays for the storage and bandwidth of repositories?

When I do a yum update or apt-get update, my machine is hitting several servers and downloading several packages. I would imagine that those servers are handling millions of similar requests on a ...
34
votes
6answers
64k views

How to limit network bandwidth?

Problem: We are hosting an application on remote server. We need to test it with a limited network bandwidth (for users with bad Internet access). Question: Can I limit my internet bandwidth? For ...
29
votes
5answers
23k views

How can I limit the bandwidth used by a process?

I have a CentOS 5.7 server that will be backing up its files nightly. I am concerned that visitors to the various sites that the server hosts will experience degraded performance while the backup is ...
20
votes
3answers
896 views

Limiting a specific shell's internet bandwidth usage

I want update my linux in one shell but by default wget or axel in updater use all the bandwidth. How can I limit the speed in this shell? I want other shells to have a fair share, and to limit ...
16
votes
4answers
3k views

Is there a top-like command that shows the network bandwidths and file accesses of running processes

For example, we'd like to see: PROCESS IF TX RX FILE(regular) R/W prog1 eth0 200kB/s 12kB/s -- -- wlan0 12kB/s 100kB/s -- ...
15
votes
3answers
2k views

What is the IPsec bottleneck in Linux?

I am trying to compare the performance of several network security protocols between two hosts connected in Gigabit Ethernet. My goal here is to see if I can saturate my bandwidth, and if not, what ...
10
votes
2answers
839 views

How do I get the current bandwidth speed of an interface from the terminal?

I want to get the current Bandwidth of an interface say "eth0" from the terminal. It better be as simple as possible. Say up 10 dn 30. Instead of giving out a lot of text like "vnstat" does. ...
9
votes
3answers
16k views

Find out network traffic per IP

We have one central server which functions as an internet gateway. This server is connected to the internet, and using iptables we forward traffic and share the internet connection among all computers ...
9
votes
3answers
6k views

Is there a tool that can monitor bandwidth usage of a single process?

I've found a nice monitor which allows me to log a variety of runtime data of a single process. I'm looking for an equivalent that does the same for bandwidth usage. Ideally, the command should look ...
8
votes
1answer
465 views

Bandwidth control in linux

How do I control both the inbound and outbound bandwidth in a RHEL 5 router?
7
votes
7answers
27k views

Console tool to test internet bandwidth

I'm looking for a tool that will test my internet connection bandwidth and create an simple report like speedtest does. Do you know some program/tool that do this? Something with CentOS packages ...
7
votes
1answer
1k views

Transfer large files without hogging the bandwidth (is there a BITS equivalent for Linux?)

Is an implementation of Microsoft's Background Intelligent Transfer Service (BITS) available for Linux systems? I'm looking at my options for transferring large files to a remote Linux server over ...
7
votes
1answer
294 views

Rate limit network but allow bursting per TCP connection before limiting

We have a Cisco router which allows for rate limiting (they call it policing) but permitting bursting on a per-TCP connection basis. For example, we can cap the bandwidth at 50mbit but the cap won't ...
6
votes
1answer
2k views

How to change speed limit of running trickle instance

I started a program throttled using trickle as trickle -d 10 -u 5 program. Now I want to change change the throttling speed to -d 50 -u 40. How can I change it without closing the program ? ...
6
votes
2answers
6k views

How to limit P2P/torrent traffic on an OpenWrt 10.03 router?

We have a WRT160NL router with OpenWRT 10.03, and a 60-70 Mbit connection (from ISP, don't ask why). This router can do 30-35 Mbit on ethernet(i mean cable)..ok! There are ~7 PC's using this Wireless ...
6
votes
1answer
288 views

Can you throttle the bandwidth to a tmpfs based ramdisk?

I created a ramdisk using tmpfs as follows: sudo mount -t tmpfs -o size=1024m tmpfs /myramdisk I was looking into cgroup blkio subsystem bandwidth limits "read_bps_device" and "write_bps_device" ...
5
votes
1answer
680 views

Why Nethogs won't see the PID of the processes the generating some NFS traffic?

I usually use Nethogs to see the network bandwidth per process. However, Nethogs won't see the PID of the processes generating some NFS traffic, and as a result they are aggregated over one single ...
5
votes
1answer
2k views

Measuring Python script bandwidth usage

I have a python script that uses urllibs to parse some web pages, and uses selenium to scrape pages with javascript, and I would like to know its cumulative bandwidth usage. I've looked at nethogs, ...
4
votes
5answers
473 views

Network monitoring tool

I'm basically looking for a utility that displays which processes are using how much bandwidth, similar to how top displays which processes use how much resources.
4
votes
1answer
449 views

How to configure QoS per IP basis?

We have say 4 users in a private network connected to the Internet trough a Linux router with a public IP address that is doing network address translation (NAT). I gotta configure QoS to give access ...
4
votes
2answers
8k views

How to limit ftp speed

I have multiple users on a server. They upload and download their files through FTP. Sometimes some heavy transfer causes high load on the server. I am wondering, if there is any way to limit the ftp ...
4
votes
4answers
8k views

Restrict bandwidth with DD-WRT

I have DD-WRT installed on my router and I would like to be able to restrict the bandwidth both up and down on a certain IP or Mac address. I am happy to get my hands dirty and use console. I am sure ...
3
votes
3answers
2k views

How can I read lines at a fixed speed?

I need to read a large log file and send it over a local network using (netbsd) netcat between two VMs on the same host workstation. I know that netcat has an interval, but as far as I can tell, the ...
3
votes
1answer
23 views

What does the process /usr/libexec/packagekitd do?

This process keeps hogging my bandwidth: What does this process do? Is it safe to kill it? Is is safe to remove the package as a whole( to prevent it from starting up ever again) Or should I just ...
3
votes
2answers
45 views

Measure network consumption per program and month

I'm looking for a permanently-running monitor which can emit a monthly (or daily, etc) bandwidth report, in a per-program manner. Example desired output: Bandwidth consumption: last 30 days ...
3
votes
3answers
3k views

Implementing load balancing on any Linux distro

I am thinking of implementing a load balancing solution for personal use. What I want to do, is to maximize data throughput over mobile phone Internet connections. Let me be clear: I have data plan ...
3
votes
2answers
6k views

Limit bandwidth SFTP user

Is there any possibility to limit the bandwidth of an SFTP user? My server has an upload of ~500kb/s and I don't want to 'spend' it all on one user
3
votes
1answer
132 views

How to limit speed of file copy?

I am copying huge file from NFS mount using dd: dd if=/mnt/nfs/image.img of=/dev/sda I need to limit the speed of reading from NFS. How can I achieve it? The only precondition is to use some easy ...
3
votes
2answers
962 views

Control Dropbox upload rate on the command line

I'm using Dropbox without the GUI in Linux. I would like to limit the upload rate, sometimes large files eats my internet bandwidth. Anyone knows how I do that?
3
votes
1answer
82 views

See total bandwith a process has used

I am currently watching some process on my server and want to see how much bandwidth it has used in total since it has been started. I don't want to know its current usage, nor does nethogs / nload ...
3
votes
1answer
809 views

Network bandwidth measurement on Solaris

I want to install pathtest or a program like it in a Sparc server running solaris 10. The purpose is to make a speedtest server to my remote sites. It is mentioned in pathtest FAQ that it only ...
3
votes
0answers
181 views

tc cbq doesn't work (no traffic limitation)

I've been trying to use cbq weight attributes after HTB failed to do so. I've tried using a command set I've found in an example just to verify it works (HTB works fluently) Here are the commands I ...
3
votes
1answer
500 views

Limiting download speed based on other LAN traffic

I'm kind of new to Linux (but learning) so bare with me if I say something stupid :P. I'm currently running an Ubuntu fileserver which automates a whole bunch of downloading tasks. At present it is ...
3
votes
0answers
535 views

Redirect all non-local traffic to a socks proxy

Is it possible to redirect all non-local traffic to a socks proxy? so, for example i have: 4 computers (clients A-D: 10.0.0.1-4 or dhcp) 1 computer with 2 network cards (gateway-server, eth0: ...
3
votes
0answers
313 views

How frequently are updates sent to a VNC client?

I am trying to understand how the VNC mechanism works. The RFB protocol 3.8 specifications say : The update protocol is demand-driven by the client. That is, an update is only sent from the ...
2
votes
1answer
48 views

Is there a brief way to view the top resource usage(CPU, memory or even bandwidth) of a program after its running?

I know I can use top to view the overall real-time CPU & Memory usage, and nload for overall real-time bandwidth usage. But I wish to view the maximum(or average) CPU, Memory, & bandwidth ...
2
votes
2answers
212 views

record daily internet bandwidth usage

I am using internet connection with data cap. I want to record my daily internet usage in a file, is there any tool for this or perhaps you can suggest a script that would run as daemon? (I am not ...
2
votes
1answer
441 views

Constantly pinging a server

I am not sure if this is exactly the right place for this question, but there is no networking stack exchange. I want to ping a server a bunch of times (eg.10,000+) to gather information on the ...
2
votes
2answers
797 views

How to identify the program that uses most bandwidth?

How can I know which application is using the most network bandwidth? I saw some graph from KDE's network monitor, but don't know which process did that.
2
votes
1answer
3k views

Equivalent of scp -l bandwidth_cap for .ssh/config?

Short form: You can limit the bandwidth the scp uses with the -l switch, you pass a number that's in kbits/sec. I'd rather set this in my .ssh/config file for certain names machines. What's the ...
2
votes
2answers
2k views

Reducing packet loss in tc rate limiting

I use this tc command to limit upload speed on an interface: tc qdisc add dev eth1 root tbf rate 2mbit burst 10kb latency 70ms peakrate 2.4mbit minburst 1540 But it results in heavy packet loss. ...
2
votes
1answer
71 views

Is there a way to throttle git while it's cloning a repo.?

Is there a way to tell git that only use so much bandwidth while cloning a repo. ? I may have multiple applications each of which demands network speeds, is there a way to tell git to do this ? I ...
2
votes
2answers
815 views

Monitor bandwidth usage from different virtual hosts

I've got a VPS running Ubuntu and Apache and hosting several sites on it using virtual hosts. It would be very interesting to monitor which of these sites takes the most power and bandwidth, I've been ...
2
votes
1answer
45 views

apt working unexpectedly on debian 8

Sometimes I'm noticing my bandwidth being all consumed although I'm not doing anything consuming, so I fire up nethogs on my wireless interface and I notice an apt process running without me starting ...
2
votes
2answers
264 views

Rsync: Verify size of incremental backup of a file

I need to test the incremental backup of a file using rsync i.e. whether rsync transfers entire file or just the changes made to it, when an incremental backup is fired. Just for a test, I've created ...
2
votes
1answer
236 views

Get total bytes sent by pid

I have some processes in my unix system that sends data to a remote machine. It is possible to fetch the total bytes sent per pid ? In general, how i can monitor that pid in terms of network? Thank ...
2
votes
1answer
155 views

How to find out how much of internet bandwidth is used by all processes except one specific process?

As a followup question to this one: I am downloading a file on multiple remote computers using curl command and am using the --limit-rate parameter to limit the download speed on the ones whose ...
2
votes
1answer
122 views

Is it possible to dynamically change the --limit-rate parameter of curl?

As a followup question to this one: I am using the --limit-rate parameter to limit the download speed on computers whose internet is being used: curl --limit-rate 10k -r 104857601-209715200 -o ...
2
votes
1answer
1k views

Bandwith Usage in OpenVPN

Is there any way to check how much bandwidth a user used in OpenVPN (using PAM Authentication)
2
votes
2answers
1k views

How does iperf calculate throughput and jitter?

I've read that iperf basically tries to send as much information down a connection as quickly as possible reporting on the throughput achieved. This tool is especially useful in determining the volume ...