Obtaining real-time values of system parameters or events (processor load, server responsiveness, intrusion attempts, …), or getting alerted when certain events happen

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1answer
118 views

Linux statistics script (Google analytics-like)

We own a few servers, each with about 100 users on it, some with 1 domain, some with a few. I'm looking for a script which runs in the background which can provide information about which users uses ...
6
votes
1answer
3k views

How to I install zabbix-agent over apt-get

Why is it that on my Ubuntu 13.04 system I can easilly install zabbix-agent by doing apt-get install zabbix-agent. When I do it in Debian 7.1, it says that the package zabbix-agent can not be found. ...
1
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0answers
283 views

cannot set up lm-sensors propetly

I actually try to get lm-sensors to work as I wish. And my only wish is to see how the cpu is doing. (Optional HDD's, FSB and I'm open your suggestions) So I run Debian wheezy, and did a apt-get ...
1
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4answers
3k views

monitoring file changes + process access to files

I would like to see what's happening in my app server folders, which files are changed by process x or which *.war files has been changed (replaced/created) in last x minutes. I am software developer ...
0
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2answers
545 views

How to monitor average stats of CPU and memory usage of a Solaris server using scripts?

I need to monitor average CPU and memory usage for a Solaris server. How can I automate the process using scripts to monitor daily CPU and memory usage and give it as an average over a month?
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4answers
1k views

how to monitor up time and down time of a linux service

How to monitor up time and down time of a linux service. I have created a service for my application using chkconfig (RHEL 6.3). I want monitor when the service is turned started and stopped. I can ...
4
votes
1answer
217 views

Monitor a process in Debian

I want to create a service that monitors the existence of a certain process. I wrote the following shell script: #!/bin/sh while : do w=`ps u -A | grep -P ".+Sl.+/usr/local/MySource/endpoint" -c` ...
16
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3answers
4k views

Determining Specific File Responsible for High I/O

This is a simple problem but the first time I've ever had to actually fix it: finding which specific files/inodes are the targets of the most I/O. I'd like to be able to get a general system overview, ...
1
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1answer
683 views

SSH alerts for outside IP addresses

So i have a script that emails me if a login is from anything besides an ip address that starts with "10.1.": #!/usr/bin/python import smtplib, os server = "10.10.10.10" From = ...
3
votes
3answers
386 views

Is there any way to see how much data I sent via Internet?

A big German ISP (Telekom) recently decided to volume limit their DSL internet connection to 75GB per month. Now I would like to know how much I download / upload. I use Linux Mint 14 Nadia and I ...
0
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1answer
132 views

How can I see the rate of my wireless card?

I am setting manually the bit-rate of my wireless card ! sudo iwconfig wlan0 rate 54M Where can I see if it is applied, because the command does not give any feedback !!!
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0answers
47 views

High Availability of Services

I want to monitor a couple of services in linux. In case they go down I want to restart them. I'm writing a crontab which will get the name of the services using jps command every 60 seconds, and if ...
0
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1answer
51 views

Does IPTraf includes its own activity in the report?

Does IPTraf includes its own activity in the report? If it does how do I exclude it?
8
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1answer
502 views

How can I make tmux monitor a window for inactivity?

I've switched from GNU Screen to tmux. They're both similar, except that tmux is still maintained. GNU Screen has a C-a _ ("silence") command. This command makes GNU Screen monitor the current ...
3
votes
1answer
491 views

Writing triggers for mcelog

Just starting to look into mcelog for the first time (I've enabled it and seen syslog output before, but this is the first time I'm trying to do something non-default). I'm looking for information on ...
3
votes
1answer
614 views

Power consumption monitoring problem

I used powertop v.2.1 under Ubuntu 12.04 but it missed the power est. column.It's the same situation as described https://bugzilla.redhat.com/show_bug.cgi?id=796068‎ and that bug is supposed to be ...
1
vote
3answers
342 views

Was my CPU kinda broken?

Today I've received some message from mcelog utility, Processor 3 heated above trip temperature. Throttling enabled. Please check your system cooling. Performance will be impacted It happens when I ...
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0answers
1k views

IBM V7000 scripts for monitoring

Hello (I'm no hard core coder:), I try to develop a script to do some very basic monitoring on an IBM SVC. My goal is to get some information about the nodes and my quroum status and then send ...
1
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2answers
373 views

Monitoring script started by rc.local

We have a C program which is started using rc.local´. We added a line like this: /usr/local/bin/pc to the rc.local file. pc is a compiled C program. Everything is working fine at the moment. What ...
3
votes
5answers
202 views

find which system is transmitting through a particular port

I am using command nc -lu <port no.> to find on given port any data is receiving or not. I am getting data if there is transmission going on (but don't know from where!). Is there any way that ...
1
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1answer
242 views

How can I prevent smartd from reporting that it cannot find a disk?

I have smartd monitoring my hard drives. It works fine generally, but the following error window has been consistently popping up every 24 hours. This email was generated by the smartd daemon running ...
1
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1answer
994 views

SMTP connectivity issue in Zenoss (“Connection unexpectedly closed”)

I am using Zenoss for monitoring purpose. I have been using its mail service for a long time. Suddenly my mail service in zenoss stopped and started showing <class ...
1
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2answers
733 views

How to transparently monitor SSH access/network traffic in Gentoo/general linux?

What's the most effective way to monitor SSH access in Gentoo Linux? My Gentoo box is operating locally behind my broadband router. I have SSH port forwarding on the router and a DNS entry pointing ...
2
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1answer
176 views

Script to send mail if there has been no entry in a log file for a certain amount of time

I am new to shell scripting. How would I write a script which can send an alert mail if there is no entry in the log file for more than 3 hours.
4
votes
1answer
7k views

Linux : See CPU usage by a process for the last second

vmstat 1 Above will print virtual memory statistics each seconds. It will also show the CPU utilization for last second. I have a web server at hand which runs httpd and MySQL. I need to find how ...
5
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2answers
9k views

Getting current TCP connection count on a system

Instead of doing wc -l /proc/net/tcp, is there a faster way of doing it? I just need a total count of tcp connections.
2
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3answers
1k views

Can conky monitor other Linux computers on the network?

I know conky can monitor my personal computer, but can it monitor the other Linux servers I have on the network? I'd like to see data on CPU and memory usage and some critical processes each server ...
6
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2answers
442 views

Linux workstation monitoring tools

I am currently working in a company that runs Linux (openSUSE 12.1) on the workstations (about 200 computers). I am looking for a tool or methods that could allow me to monitor them remotely, upgrade ...
4
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3answers
235 views

Monitor hundreds of hosts for basic parameters

We have several hundred Linux VMs on EC2 and Google compute engine. We want to monitor basic things like disk free space and memory consumption, in the easiest and lightest way possible. Expectedly, ...
0
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0answers
21 views

Contradictory information from “top” [duplicate]

As we all know, the top command displays various real-time information about the running system. What I can't figure out is this: top claims that gzip is using 95% CPU. (Not unreasonable, considering ...
1
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0answers
254 views

How to setup an audio/sound output monitor/listener? [closed]

I am working with an Arduino and am trying to get it to respond to sound when it is played on my computer. I'm communicating with it over a serial port. I need to know if there are any audio/sound ...
0
votes
2answers
569 views

Bandwidth, CPU & Memory stats returned in single line from terminal

I'm trying to create a simple monitoring system that will show a graph of sales that is linked entirely to data of bandwidth, CPU and Memory stats as they relate to sales. So if I sale 1 widget per 5 ...
5
votes
1answer
192 views

How to monitor all executions of an executable over a time period

I know how to monitor a process. Commands like top and so forth can monitor the CPU time and memory usage for a given process instance. But say I expect a given executable to be run several times in ...
1
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0answers
101 views

Plotting data from a text file on the desktop

I want to monitor some simulations I run In a way similar to how text monitor display data. I can easily generate a bunch of text files or image files with the data/plot I want to follow. How can I ...
6
votes
2answers
873 views

Is it possible to know who visited my home directory?

Suppose there are many users in a Linux cluster, each of them has his own HOME directory under /home/xxx, with xxx being his user name (or account). If the initial system configuration allows these ...
1
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2answers
779 views

How can be monitored I/O stream in a particular Linux directory or file?

I have a problem with monitoring of i/o stream in the particular directory(amount of read and written bytes during specified period). I have been trying to use iostat, inotifywait and inotifywatch, ...
3
votes
1answer
548 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 ...
1
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2answers
1k views

How to know recently updated files

If I run iostat -x 1 I saw ocassionally large 5MB to 10MB writes. What files are being written? I want to check the recently created files with size over 5MB for example. How would I do so?
3
votes
1answer
351 views

How to know which commands are executed when I do something in GUI

This is for academic purpose. I want to know which commands are executed when we do something in GUI, for example creating a folder. I want to show that both the mkdir shell command and create folder ...
3
votes
2answers
1k views

Filesystem monitoring

A script where we need to come up with a way for the disk space monitoring to be smarter. On smaller file systems, we still want to alert at 90% full, but on larger file sytems, we should only alert ...
0
votes
1answer
203 views

What to do if Cacti monitering server goes down in Centos 6.3?

I have successfully deployed cacti with plugins thold, nectar, realtime. Currently I am monitering my amazon ec2 servers and internal servers in my organization. but I afraid what to do In following ...
3
votes
2answers
184 views

Unix command to find files read by specific user

I would like to find files accessed by specific user (even just read) within a folder tree. I thought the find command had this option, but it actually just searches for owner user. Is there any other ...
2
votes
2answers
286 views

Monitor single process to logfile perodicly

Based on this question, I would like to log the performance of a specific process, with a frequency of say one second, to a csv (comma separated value) log file. Something like: ...
0
votes
2answers
2k views

Console CPU utilisation chart

I need to monitor CPU and network utilisation from a terminal. For network traffic, I have found the perfect tool: slurm. It gives me a moving chart. It gives me an nCurses-like UI I can use from a ...
2
votes
3answers
1k views

Monitoring HTTPS traffic using tcpflow

I would like to use tcpflow to monitor https requests. I have read tutorials on how to monitor http traffic but when I connect to a host using https the output is garbled. I am using tcpflow in the ...
6
votes
3answers
13k views

Bash script to detect when my server is down or offline

Background : I need to receive an alert when my server is down. When the server is down, maybe the Sysload collector will not be able to send any alert. To receive an alert when the server is down, I ...
1
vote
1answer
261 views

Bandwidth usage monitoring [duplicate]

Possible Duplicate: Find out network traffic per IP I want to monitor my bandwidth usuage for wired as well wireless devices on my network. Is there any tool, preferably one that does not ...
4
votes
2answers
168 views

Determine which process is taking most of disk bandwidth?

When the HDD indicator is blinking (for a long period), how could I know which process is taking most disk bandwidth?
1
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2answers
87 views

Is there a way track bandwidth over time like days, months?

I would like to know how much bandwidth is being used on my server. Not HTTP bandwidth, but all protocols. Basically iftop data over time continuously logged. Then I could write a simple python script ...
3
votes
4answers
999 views

Tools that monitor the network bandwidth based on IP?

In a networked environment, such as SOHO, is there any tools that can monitor the network bandwidth usage based on the computer's IP or mac address? So that we can know which user has the highest ...