Displaying 20 results from an estimated 100 matches similar to: "Traffic generation and measurement"
2008 Mar 03
1
Stepwise Multiple Regression
Dear R,
I am using stepwise multiple glm to select a subset of variables using the step command. My question is how do you calculate the percentage variance for each parameter in the reduced model. An example of my code thus far is,
fit<-glm(Abalone~offset(Area)+Sessile invertebrates+Bare rock+ NCA + Encrusting red algae, family = poisson ())
step(fit)
fit1<-glm(Abalone~offset(Area)+Bare
2007 Oct 18
4
Samba 3 + LDAP with multiple ou's
Hello, all.
I was wondering if anyone could help me with this configuration:
I had a LDAP tree with this structure:
dc=base
+ ou=unit1
+ ou=People
+ ou=Groups
+ ou=Computers
+ ou=unit2
+ ou=People
+ ou=Groups
+ ou=Computers
+ ou=unit3
+ ou=People
+ ou=Groups
+ ou=Computers
...
And I need people from unit1 logging on unit2, unit3, etc.
First thing is to put all users on one
2003 Jun 16
7
htb & bandwidth sharing
Hi everybody!
I''ve been trying with htb and tc filter. It seemed to work fine, but
after testing with ethloop I''ve realized that traffic is not being
distributed through the leaves as I thought. When sending packets to
1:10 and 1:11 at the same time, there''s no bandwidth sharing. There''s no
traffic through 1:11 until traffic through 1:10 has finished. Though
2005 Jan 31
2
Anyone have the userguide''s tc script and the corresponding ethloop input files?
I''m trying to get picture from ethloop and gnuplot. But the output seems weird. I still do not know why and want some examples.
Thanks in advance.
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<DIV>I''m trying to get picture from ethloop and
2007 Dec 07
1
scp -t - revisited
Thanks to J.P. I now have a better understanding of how scp really works.
I haven't uncovered any dark secrets, or unintended capabilities, I just prevented scp from sending the proper commands via ssh to the remote server.
In essence, I gave scp a lobotomy or short-circuit.
Either way, it's useful and gives me the desired effect.
I don't know if anyone else would find this
2005 Jan 25
3
graphing
Does anyone know what Martin used to generate the graphs in the HTB user guide?
http://luxik.cdi.cz/~devik/qos/htb/manual/userg.htm
Thanks!
-Jacob
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2004 Dec 30
2
HTB - ethloop - overlimits?
Hi all,
I''m trying to setup htb on a box with the following class configuration:
class htb 1:2 root rate 4Mbit ceil 4Mbit burst 2099b/8 mpu 0b overhead
0b cburst 2099b/8 mpu 0b overhead 0b level 7
Sent 0 bytes 0 pkts (dropped 0, overlimits 0 requeues 0)
lended: 0 borrowed: 0 giants: 0
tokens: 4300 ctokens: 4300
class htb 1:4 parent 1:2 leaf 4: prio 7 quantum 1000 rate 1Kbit ceil
2007 Jul 30
2
SSO across multiple physical subnets
Hi,
I?ve been reading up on SSO-based logins for the last couple of weeks. I?ve
found a lot of information about it, but nothing that matches my situation.
Here?s the gist of my situation...
- I have a Samba 3 PDC in our corporate office as well as three remote
offices.
- Each remote office is in a different physical building and connected to
the Corporate office either via Point-to-Point T-1
2007 Nov 19
5
Howto modify samba printer ACLs without Windows?
Hi all,
I would like to limit access to our samba shared printers to certain
user groups by commandline without using Windows. Is this possible?
Thanks!
Christoph
2008 May 15
3
Facebooker support for iframe apps
Hi facebooker-ers,
It looks to me like facebooker does not currently support iframe
facebook apps - or am I missing something?
My first problem as I understand it is as follows - When you are
logged into facebook, and access a facebook application,
facebook tacks on a whole lot of extra fb_sig parameters to the
request (including fb_sig_user) that the application can then
validate to
2006 Nov 30
1
CAPI module issue
Hi List,
I am experiencing an issue in a server that I have installed asterisk;
configured an AVM FRITZ card to work with the capi module.
Once istalled the card works perfect; however every time I reboot the
machine I found that I have to re install the capi4k-utils before I can load
asterisk otherwise the capi module will not loadup.
Can anyone direct me in the right direction in order to
2007 Jun 16
1
samba3, nfs mounted directory, and dfs
Hello,
I hope this is the right place to ask this one.
I've got a FreeBSD 6.2 machine acting as an nfs server. It's exporting a
home directory to several machines. On the server that home directory has a
symlink in it to another directory on the filesystem. As long as users are
on the server they can view the directory symlinked to, but if viewing
through samba, they're
2007 May 15
2
samba and failover (drbd + heartbeat)
Hi,
I've setup two server A + B (debian etch) with drbd + heartbeat in
active/passive mode. If the primary server A fails, the shared
storage is mounted on B, the virtual ip A-vip moves to the new primary
B and samba is started by heartbeat. This works well, but I'm not sure
which samba files should be identical on both server. Both have a
dedicated machine account at the moment.
2005 Apr 30
0
Is there a tool to monitor flow rate in each class at real time?
hello everyone!
I have used ethloop written by devik which generate and monitor ether packets.
Now I want to generate ip packets with application softwares, and i still want
to monitor the flow rate within each class i created with tc,is there
a tool that could
help me with it?
Thanks for any help:)
alfred
Apr.30 2005
2002 Oct 11
0
outgoing packets not working..
hi all
I just tried to test whether the HTB works well or not .. (policy is very
simple ^^;;)
I tried HTB simulator ''Ethloop'' with lo (loopback ) and I found HTB works
well....(very well)
So I changed lo to eth0 and tested ..
./tc qdisc add dev eth0 root handle 1: htb default 10
./tc class add dev eth0 parent 1: classid 1:1 htb rate 500kbps ceil 500kbps
./tc class add
2002 Oct 11
0
outgoing packets notworking..
hi all
I just tried to test whether the HTB works well or not .. (policy is very
simple ^^;;)
I tried HTB simulator ''Ethloop'' with lo (loopback ) and I found HTB works
well....(very well)
So I changed lo to eth0 and tested ..
./tc qdisc add dev eth0 root handle 1: htb default 10
./tc class add dev eth0 parent 1: classid 1:1 htb rate 500kbps ceil 500kbps
./tc class add
2007 Nov 19
15
Unexpected results using HTB qdisc
Hi All,
I am using the script below to limit download rates and manage traffic for a certain IP address and testing the results using iperf. The rate that iperf reports is much higher than the rate I have configured for the HTB qdisc. It''s probably just some newbie trap that''s messing things up but I''m buggered if I can see it.
The following script is run on the
2002 Oct 16
10
htb limiting trouble: no overlimit or dropped packets
Hi!
I''m trying to limit the uplink bandwidth using htb but no packets are
overlimit or dropped. :-(
My router config:
* Linux kernel 2.4.20-pre10 (htb v3.7) with everything built as
modules in QoS, iptables in use.
* tc binary from htb3.6-020525.tgz
* external interface eth0: Internet access, 512 kbit/s uplink speed
* internal interface eth1: internal LAN, 100 Mbit/s
The hosts in the
2008 Aug 13
1
The standard deviation of measurement 1 with respect to measurement 2
Hi,
I have two (different types of) measurements, say X and Y, resulting from
the same set of experiments. So X and Y are paired: (x_1, y_1), (x_2, y_2),
...
I am trying to calculate the standard deviation of Y with respect to X. In
other words, in terms of the scatter plot of X and Y, I would like to divide
it into bins along the X-axis and for each bin calculate the standard
deviation along
2005 Mar 29
1
tc + bandwidth measurement
I want to implement a snmp-agent to measure the
bandwidth traffic per flow
in a linux router.
Is there any way to use tc in bash scripts in order to
measure the
bandwidth?
In my first thought, the agent would fire repeatedly
tc commands that would
return the rate /flow. Is that speculation correct?
Do you propose an alternative way to measure the
bandwith through an agent.
I found somewhere