04-23-2008
MRTG and RRD-Tool
Combination of both is industry wide implemented. People run rrdtool from cron to collect periodic data and then MRTG graphs been generated from those RRDs.
It require to first design RRD as per your requirement and then write down some shell-scripts to update RRD and generate MRTG.
8 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I'm on T1, is there any way i can check my acctual bandwidth?
Thank you all (3 Replies)
Discussion started by: solvman
3 Replies
2. IP Networking
i have two questions actually...
i need to block certain ports with openbsd and PF in a large lan, the firewall is supposed to be a router between the internet and the first lan switch.
first of all, would this work at all in theory?
second, i tried doing this a few days ago at a huge lan but i... (2 Replies)
Discussion started by: nocturnal
2 Replies
3. IP Networking
Hello,
I was wondering how one would go about regulating bandwidth of a server running RH Linux 8.0 and Apache. I am running a webserver, and want only one person to be able to download one file at a time. So, they can't click about 10 files and soak up lots of bandwidth. Plus, I would like to cap... (2 Replies)
Discussion started by: Phobos
2 Replies
4. UNIX for Dummies Questions & Answers
Hi,
I'm looking for some way to bring up in a shell window a realtime (or something that updates at 10 second intervals or whatever) bandwidth monitor.
I just want something that shows me how much kbps is going in and how much is going out of each interface. Is there something that might... (2 Replies)
Discussion started by: d11wtq
2 Replies
5. UNIX for Advanced & Expert Users
Hi Gurus,
Need to have a way to monitor Bandwidth utilization on Linux servers, running squid .
Have worked on 3rd party monitoring tools like Bandwidth d, Nagios etc.
But we are working to find out a way to monitor this through Sitescope, for which we need to find a file where the... (4 Replies)
Discussion started by: Crazy_murli
4 Replies
6. IP Networking
Hi,
1-What is bandewidth ?
2-How to calculate ?
3-How to measure ? Any free software to measure it ?
Many thanks. (4 Replies)
Discussion started by: big123456
4 Replies
7. Programming
I wish to develop an application to monitor the network traffic of my system.
I wish to know which computer networked to me is using most of the bandwidth. I know the basics of python but do not know how to start the work.. please suggest some good methods to follow. (7 Replies)
Discussion started by: coderhs
7 Replies
8. IP Networking
Many papers, articles and posts about network bandwidth requirements refer to network traffic rules-of-thumb when estimating bandwidth requirements for a new network with an unknown load. I've seen a couple rules for video and VoIP.
I'd be thankful if someone could share any rules-of thumb they... (5 Replies)
Discussion started by: redrider
5 Replies
LEARN ABOUT DEBIAN
clascl.f
clascl.f(3) LAPACK clascl.f(3)
NAME
clascl.f -
SYNOPSIS
Functions/Subroutines
subroutine clascl (TYPE, KL, KU, CFROM, CTO, M, N, A, LDA, INFO)
CLASCL
Function/Subroutine Documentation
subroutine clascl (characterTYPE, integerKL, integerKU, realCFROM, realCTO, integerM, integerN, complex, dimension( lda, * )A, integerLDA,
integerINFO)
CLASCL
Purpose:
CLASCL multiplies the M by N complex matrix A by the real scalar
CTO/CFROM. This is done without over/underflow as long as the final
result CTO*A(I,J)/CFROM does not over/underflow. TYPE specifies that
A may be full, upper triangular, lower triangular, upper Hessenberg,
or banded.
Parameters:
TYPE
TYPE is CHARACTER*1
TYPE indices the storage type of the input matrix.
= 'G': A is a full matrix.
= 'L': A is a lower triangular matrix.
= 'U': A is an upper triangular matrix.
= 'H': A is an upper Hessenberg matrix.
= 'B': A is a symmetric band matrix with lower bandwidth KL
and upper bandwidth KU and with the only the lower
half stored.
= 'Q': A is a symmetric band matrix with lower bandwidth KL
and upper bandwidth KU and with the only the upper
half stored.
= 'Z': A is a band matrix with lower bandwidth KL and upper
bandwidth KU. See CGBTRF for storage details.
KL
KL is INTEGER
The lower bandwidth of A. Referenced only if TYPE = 'B',
'Q' or 'Z'.
KU
KU is INTEGER
The upper bandwidth of A. Referenced only if TYPE = 'B',
'Q' or 'Z'.
CFROM
CFROM is REAL
CTO
CTO is REAL
The matrix A is multiplied by CTO/CFROM. A(I,J) is computed
without over/underflow if the final result CTO*A(I,J)/CFROM
can be represented without over/underflow. CFROM must be
nonzero.
M
M is INTEGER
The number of rows of the matrix A. M >= 0.
N
N is INTEGER
The number of columns of the matrix A. N >= 0.
A
A is COMPLEX array, dimension (LDA,N)
The matrix to be multiplied by CTO/CFROM. See TYPE for the
storage type.
LDA
LDA is INTEGER
The leading dimension of the array A. LDA >= max(1,M).
INFO
INFO is INTEGER
0 - successful exit
<0 - if INFO = -i, the i-th argument had an illegal value.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Definition at line 140 of file clascl.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.1 Sun May 26 2013 clascl.f(3)