Server :: Monitoring Traffic With Cacti?
Mar 5, 2010
I am using CentOS 5.4 and did a yum install of cacti. I installed all the necessay packages, like net-snmp, php net snmp and all that. Everything else works but I can't for the life figure out how to monitor traffic on eth0. I do not have any SNMP Interface Statistics or alike in either the Associated Graph Templates or Associated Data Queries.
Heres the output of "snmpwalk localhost -c public -v2c" , SNMPv2-MIB::sysDescr.0 = STRING: Linux xxx.xxxx.net 2.6.18-164.6.1.el5xen #1 SMP Tue Nov 3 17:53:47 EST 2009 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (7515443) 20:52:34.43
[Code]...
I am trying to monitor the interfaces on the local computer only.
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Oct 25, 2010
Which is best server monitoring (Traffic ) tool ?
Can you provide some form of monitoring on this server or recommend any server-side applications that could monitor the status, in high detail, including traffic, etc?
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Apr 13, 2010
I want to know that squid in 5 min ago and 1 hour ago how much traffic transferred for monitoring purposes?? where can I get this info from running squid? of course I get I have to note that access.log is disabled for some reasons.
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Jun 17, 2010
I'm looking for a monitoring tool like ntop, but can preserve statistics for http traffic.
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Sep 27, 2009
Recently I notice that when I'm connected to an vpn server (pptpd) and I'm using it as a default gateway my download and upload speed decreases almost to the half of the usual speed. I made a test using iptables in order to count how much GRE packets are generated (except the real traffic itself) in that way:
Code:
iptables -I INPUT -p gre -j ACCEPT
iptables -I OUTPUT -p gre -j ACCEPT
iptables -I FORWARD -s 172.16.10.101 -j ACCEPT
iptables -I FORWARD -d 172.16.10.101 -j ACCEPT
The first 2 rules match all GRE packets between the pptpd server and client, and the next rules - the traffic between the server and the client.
When I turn the counters to zero and begin to generate traffic (to browse, to download etc.) I see that the GRE packets are even more than these in the FORWARD chain.
So, my question is first of all is my test correct and is it true that so much gre traffic is being generated during the browsing (it becames clear that the traffic is double than if the pptpd wasn't used as a gateway) and if yes - can that traffic be reduced?
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Jun 28, 2011
I have a UBUNTU server 10.04 LTS with 3 network interfaces (eth0,1,2) with eth0 is connected to my lan and others connected to two different ISPs , I am looking for a very flexible and complete monitoring tool which can monitor all of the traffic of incoming and outgoing of any interface and SPECIALLY can show me which local client made connection to which interface for connecting to internet in online mode not offline and it is good to have online web base interface I mean the interface shows the measured data in real time mode. I fount some tools like iftop and iptraf and many others in this url: http://www.ubuntugeek.com/bandwidth-...for-linux.html but non of them are suitable for my net I mean none of them have good web real time data and non of them shows "which local client made connection to which interface for connecting to internet".
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Jan 26, 2010
I have a service, which calls other services. I need to verify that my service is hitting the right end points of the other service, since the end points of the other dependent service are specified in configs, and are different for different stages - development vs production. Is there any tool which can tell me what end points are being contacted from my host?
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Apr 8, 2011
my servers are configured with:Ubuntu 10.10 server 64bit;Lighttpd MySQL-Server I need to make graphs for traffic (bandwidth usage) and cpu load every month. I tried to configure mrtg but after 48h, it didn't produce graphs.(I can't install apache2)
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Jan 31, 2010
Is there a program that monitors and displays 'who' is on your wireless Internet signal that one may not be aware of? Like, the ability to see when someone that you don't know is accessing your locked wireless?
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May 9, 2010
I was reading a magazine article today which was a discussion of internet detective work for tracking down ip addresses which attempt an ssh login to your machine. I have never really paid much attention to network security since I only run a small home network. I have WPA encryption and a firewall on my router. But while reading this article, I remembered that I myself has seen log files in the past that inidicated someone somewhere had attempted to log into my machine (attempts all failed). This had happened a few times, but I never really considered it a threat.
But, the more I read about home computers becoming "zombies" for criminals, I guess I am getting a little paranoid in my old age, particularly since my wife does quite a bit of business on the net with credit cards. I have four computers connected to the net and each other on this network, and would like to be able to easily detect attempted log ins and deal with them quickly.
So my reason for posting is to ask if someone could recommend a novice-friendly application for monitoring traffic to check this intermittently. I have read bodhi.zazen's excellent tutorial on snort, but I it appears to be written for large lan's or web servers and is over-kill for a small home network.
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May 19, 2010
I've read up some of the posts on this forum, but can't seem to find an answer. I have a web service within an Apache Tomcat instance installed on a Redhat linux server. I only have shell access to the server, and need to monitor outbound network traffic from my web service. Is there a unix command that will allow me to monitor all outbound traffic? I'm thinking fiddler, but a unix version? I've heard of things like ntop and iptraf, but I don't think those will help me in this instance.
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Sep 2, 2010
I'm running ASSP on Ubuntu 10.04.1 it's mostly working fine. I have one problem which has been bugging me for some time. I don't want to filter outbound mail, but if I can relay (proxy) my outbound mail through ASSP, then it can automatically add to the whitelist.
As ASSP is a proxy, I need a server to send it to once ASSP receives it. I've tried my ISP, but this failed and they weren't willing to confirm if a connection attempt was received at their end.
Current setup
Inbound
mx -> router -> ASSP -> Exchange 2003
Outbound
Exchange 2003 -> mx
I'd like to setup outbound as either
Exchange 2003 -> ASSP -> <ISP> SMTP relay
Exchange 2003 -> ASSP -> <relay running on Ubuntu eg postfix>
Can anyone help me with troubleshooting steps or a better suggestion for how I can set this up. I'd love to know why my ISP setup didn't work, but I don't know a tool for monitoring IP traffic in Ubuntu SE, in windows I use Wireshark is there any equivalent I can setup for Ubuntu or a tool I can use in windows which will show all traffic, Ubuntu and windows server are on the same netgear switch, not sure it's smart enough to copy all traffic to another port for monitoring.
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Jul 23, 2009
I have just migrate from UBUNTU to Fedora 11. Tried to install cacti by 'yum install cacti' everything presumably went correctly. But when trying to get cacti running on a browser it's showing:
Code:
FATAL: Cannot connect to MySQL server on 'localhost'. Please make sure you have specified a valid MySQL database name in 'include/config.php'
Checked everything else including installing new mysqld-server (using yum install) and still not working.
Trying the installation steps from [URL], but could not find where mysql was installed. Mysqld should already be running, cos I can see it using webmin-server-mysql. Did a test as shown on [URL], everything seems ok. No major problem when using UBUNTU with apt-get install.
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Mar 15, 2011
I wanted to tell my server to block all traffic but US only traffic. So i followed this guide:[URL].. Now I know, it's the best way to help prevent hackers/crackers (doesn't matter to me what they are called. I just have to stop them). My server only deals with US clients anyways so might as well just start right there for my server's security before getting into the brute force and injection preventions. So I got it all done compiled everything moved to the proper directory. I then started to setup my iptables. Like so
Code: iptables -F INPUT
iptables -F OUTPUT
iptables -I INPUT 1 -s *.*.*.* -p tcp --dport 22 -j ACCEPT
iptables -I INPUT 2 -s *.*.*.* -p tcp -j ACCEPT
[Code]...
After seeing that i went digging in the code and figured it was something todo with memory allocation.
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Sep 7, 2010
mention an example step by step procedure for adding a PLUGIN in Cacti. And also mention what does a PLUGIN serve in Cacti ? I am a newbie to cacti please consider my silly questions.
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Jun 28, 2010
I used to have a log file monitoring script on my server but after an auto update recently it seems to have disapperaed.Can anyone think of some log file analyzers that send outputs of ssh, amount of disk space used etc. as I cannot remember the name of the program at all.
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Nov 16, 2010
I have installed Cacti 0.87e in fedora 11. And it is working fine. But as per our organizational requirement, they want report as pdf format. I have installed nmidcreate pdf also for the same. It generates the report in pdf format but the content of the pdf is blank i.e. it does not contain any graph or value in the report. It shows only header and footer information, nothing more than that. Kindly resolve this issue, either using the above mentioned plugin or other else. Because this is an urgent requirement. I am waiting for your affirmative response.
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May 27, 2011
I want to monitor RDS (mysql database of EC2) using Nagios. In command line ( I am able to do it but I dont know how to feed it in nagios . On nagios server if I execute the following command , I am able to fetch the information of database (RDS)
Nagios_server #/usr/local/nagios/libexec/check_mysqld.pl -p<password> -f -u <username> -A uptime,threads_connected,slow_queries,open_tables -H <hostname> -q 'SHOW STATUS'
output :- MYSQL 5.1.50 OK | uptime=344783 threads_connected=672 slow_queries=0 open_tables=64
Note :- Here the host name is public dns name (x.y.z.amazon.com) .We cant ping to this host.With mysql command , we can log in and work on databases.
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Apr 6, 2010
I have been beating my head for the last few weeks on this problem, (although I have been taking the wrong approach, it seems).
I need a gateway to direct web traffic to three separate servers/domains. I have been trying to do this with both a dns server and , (seperatly), apache server to forward requests. The dns server was a no go, and <i can only get apache to redirect http and ftp.
After Googling this ALOT, I believe that what I need is a gateway server to redirect my traffic to the 3 different servers. I have been reading about using using nat and iptables for this and was wondering if anyone had any advice/suggestions on this. The other thought I had was to use something like pfSense to create the gateway, but I am still reading the documentation, and I am unsure if this approach will work.
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Jan 24, 2011
root@devel:~# apt-get -f remove cacti
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED: cacti
0 upgraded, 0 newly installed, 1 to remove and 303 not upgraded.
1 not fully installed or removed.
After this operation, 5186kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 111357 files and directories currently installed.)
Removing cacti ...
dpkg: error processing cacti (--remove):
subprocess pre-removal script returned error exit status 10
no type given for question at /usr/share/perl5/Debconf/Question.pm line 22, <GEN1> line 2.
dpkg: error while cleaning up:
subprocess post-installation script returned error exit status 9
Errors were encountered while processing: cacti
E: Sub-process /usr/bin/dpkg returned an error code (1)
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Jun 13, 2011
I`m new to linux and i'm trying to install cacti on a slackware 10, but everythinng i tryed doesn't work.can anybody tell me the correct steps to install cacti?....my slackware is blank.....i don't have any other soft installed.
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Sep 2, 2011
I was looking for some software to run on my Debian vServer which monitors RAM, CPU and HDD usage. This tool should not require Gnome/KDE, so I guess I'll end up with a PHP tool. I did some search but came up with nothing. I'm using Parallels Power Panel (there might be a plugin or something like that?)
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Oct 17, 2009
I was searching for tool for monitoring Apache performance and utlization of Web Server? Any Idea..
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Apr 6, 2010
Basically, I go through certain logs on my linux hosts checking for anything out of place. You know, the usual, /var/log/messages, lastlog, etc. What I've been using is just a simplistic grep statement that looks for keywords in certain log files, such as warn, crit, etc., with the -i flag to ensure no case searches. I thought, well, surely there are others out there doing the same thing, but more automated. Perhaps something that can check files for keywords and then notify, via email, if anything out of the ordinary is seen.
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Jul 12, 2011
I want to know which was the best networking monitoring tool in linux
wright now im using opennms . i like to try out with any other monitoring tool can somebody say which one is best one followed in linux industry
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Apr 27, 2010
We have something on our network that is reaking havoc with our content filter. I am trying to track it down, but so far I have been unsuccessful. We have approximately 500 devices in 100+ different locations spread across 9 states. Looking at each computer is not really feasible.
I need a machine that can sit in between our network and our internet connection and graphically monitor in real time and logs how much traffic each device is sending and receiving. It would need to sit inline so it has to have two nics and be able to pass traffic. The machine also needs to be transparent. Reconfiguration of our routers or workstations is not an option.
I have used ethereal and wireshark before. Ethereal may be a viable option, but wireshark seems to provide lots of information, but no practical way to make use of it. how to set up the box to be a transparent device on the network that will allow internet bound traffic to flow (freely)?
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Mar 4, 2010
I am trying to install CACTI in Centos5.3. Now I am facing two problem. My DAG repository is not working and thats why i am not able to use YUM for CACTI....So i downloaded the cacti-0.8.7e.tar.gz and using this software according to following links
[URL]
But it is of no use ..so can somebody tell me about a tutorial through which i can install cacti without YUM ..IN addition to this if somebody has any clue of how to activate DAG repository in CENTOS 5.3 then i will be delighted.
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May 25, 2010
I have apache and Cacti rpms installed and I see this error in the Apache log when accessing various menu items in cacti with this error:-
Does any one know where the setting is stored Rpms installed :-
Where to look for the configuration file which contains the incorrect setting /usr/share/cacti/cacti I suspect it should read /usr/share/cacti
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Sep 29, 2010
I need to set up my centOS computer as a firewall in my home network. Ive got 2 interfaces, eth0 and eth1. I want to allow and forward all traffic on eth0 and block all traffic on eth1 except ssh, ping(icmp) and DNS. How do I do this? Ive tried some editing in /etc/sysconfig/iptables but no luck.
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Sep 16, 2010
I'm running a Debian/Samba PDC on a Windows network. We desire to monitor a few network shares, so that whenever a change is made to a file in those, we have a log of who did it and when. Some capability of seeing what the change was, or a way of reverting it, would be nice luxuries. But username and timestamp are most important, if possible.
On the debian forums, someone advised using Tripwire for this purpose. didn't give much other advice about it so I kind of struck out on my own researching tripwire. got it installed, played wth it, and found it problematic, to say the least. It seems a bit much on the complexity and security side, and it seems more oriented towards maintaining system integrity, than monitoring documents. So far I've not managed to get a policy update working on account of a cascade of errors about a few hundred files under /proc disappearing, despite no changes to the system.so I'm wondering if anyone here has advice.
1. Does debian have this sort of functionality built in? is there a system log I can parse to get this information?
2. Is tripwire the right application for our purpose?
3. Is there anything better suited, more user-friendly or more parsimonious. I don't need something to monitor all system files, guard against intrusion, and make me cups of tea, just to monitor a few folders that I specify
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