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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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 ...
10
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1answer
602 views

How can I track executables created by my user on Linux?

Using Linux, I would like to track the executables that are executed in my name, including the whole command line (in practice, every exec*() done as my own user). A program I do not control is ...
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1answer
870 views

Monitor CPU Registers

I'm looking for such tool, to see state of CPU registers, eax, ebx, ecx, edx. I've discovered cpuid: eax in eax ebx ecx edx 00000000 0000000d 756e6547 6c65746e 49656e69 00000001 ...
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0answers
20 views

Monitor Script for a specific oracle process which pegs my CPU to 100 % [closed]

I need a shell script on AIX which can monitor a specific oracle process "ora_e00", this process is often pegging my CPU 100%, so I need to be notified by mail before killing it.
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2answers
22k views

CPU usage monitoring in AIX servers

In order to monitor the CPU usage in an AIX server I'm using the following script that is executed every 10 mins. lparstat 2 10 > cpu usage=$(tail -10 cpu | awk 'BEGIN {sum=0;} {sum+=$4} END{print ...
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1answer
14 views

XYMon-Client status not showing in XYMon Server

I have installed XYMon server successfully, but I can't get the client information to show. It took me a while to figure out, but if you add a host to the server that doesn't have the client, it still ...
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4answers
4k 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 ...
5
votes
1answer
479 views

DTrace to trap any chmod applied to certain files

Underneath the Mac OS X directory /audit I have certain files which users can access and chmod to their liking. I need to audit any chmod done on any files by recording the time, user and file being ...
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1answer
19 views

How to interpret VFS usage chart

I'm monitoring an old laptop running as LAMP server. I have trouble understanding this VFS usage chart (sorry can't include images yet) from monitorix (the monitoring tool I'm using). I don't ...
2
votes
1answer
2k 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 'smtplib.SMTPServerDisconnected'&...
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1answer
27 views

Event dispatcher in bash (Ubuntu Gnu/Linux) [duplicate]

Are there any methods or bash tools that can observe some events (such as creating a folder) and then do another actions?
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0answers
57 views

Linux, LAMP, & Nagios server

as i'm somehow new in linux, and i'm required to install a monitoring system to our company using CentOS7 with LAMP & the monitoring Application NAGIOS. after installation everything goes well, ...
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0answers
23 views

Linux Disk IO Statistics Across Devices

I've read a whole bunch of posts regarding methods of capturing disk IO on Linux, however none of them have answered the source of my confusion. In my case, I am monitoring disk IO on Linux using ...
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5answers
6k views

How to run a command when a directory's contents are updated?

There is a directory A whose contents are changed frequently by other people. I have made a personal directory B where I keep all the files that have ever been in A. Currently I just occasionally ...
6
votes
5answers
9k views

Constantly check if file is modified bash

I have a file called file1 I want in a script, whenever there is a change in it, do something, a beep sound actually. How do I do that ¿? Thank you in advance
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2answers
1k views

How can an I/O stream in a particular Linux directory or file be monitored for bytes read/written?

I have a problem with the monitoring of an I/O stream in a particular directory: the amount of read and written bytes during a specified period. I have been trying to use iostat, inotifywait and ...
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votes
4answers
3k 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 ...
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1answer
3k views

Accounting for /proc/net/dev reported traffic

I noticed that according to /proc/net/dev I am constantly receiving around 6Kb/s on my wireless usb interface. But I can't account for anything even close to that with the individual connections that ...
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0answers
16 views

CPU/RAM/Disk statistics similar to vnstat

Is there any application similar to vnstat, but for monitoring CPU usage (0-100%), number of active process, ram usage, active disk IO count/bandwidth on CLI basis? but I don't want something that ...
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0answers
37 views

Is the perfmon2 tool obsolete due to the same functionality being included in the current Linux kernel?

I was having some issues with the PAPI tool and multiplex and this answer by the PAPI creator led me to check out perfmon2: http://lists.eecs.utk.edu/pipermail/ptools-perfapi/2008-April/000900.html ...
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1answer
113 views

to check the url is live [closed]

I have written a script to check if our three URLs are up else echo down. Now the problem is, even if the URLs are down in that script, I get the message "URLs are up" In the code I have greped 302 ...
0
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1answer
2k views

Cannot add host to icingaweb2

I installed Icinga2 and icingaweb2. I have the dashboard, view of hosts, services, etc. I can log in, log out, etc. Ok, now I want to monitor something. So I added a host to /etc/icinga2/conf.d/hosts,...
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3answers
580 views

Is there a way to find out which webpages are being accessed by clients on a UNIX webserver?

My web server is running CentOS and every time a certain page is accessed on my forum, httpd locks up and I can never seem to pinpoint the exact file. Is there any way to view the pages that ...
4
votes
3answers
2k views

Any way to list wireless clients in range

I'm looking to see whether it's possible to implement a staff 'in office/out of office' facility by tracking the active wifi (phones/tablets/laptops) in the building. Is it possible to return a list (...
4
votes
2answers
2k views

Is there a way to get “top” to run exactly once and exit?

I find the output of the shell command top to be a simple and familiar way to get a rough idea of the health of a machine. I'd like to serve top's output (or something very similar to it) from a tiny ...
46
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8answers
69k views

GPU usage monitoring (CUDA)

I installed CUDA toolkit on my computer and started BOINC project on GPU. In BOINC I can see that it is running on GPU, but is there a tool that can show me more details about that what is running on ...
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2answers
36 views

How can I log how often a file is modified on OS X?

I would like to know which files in my system I access most often, as a gauge of how important they are. I know the OS records the last time the file was accessed. Is there someone way to log in a ...
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2answers
709 views

Why doesn't monit like this syntax

I am trying to setup monit for my debian server. I have a main monitrc file in /etc/monit which at the end has include /etc/monit/conf.d/*. In conf.d I have two files for my apache and mysql servers: ...
3
votes
1answer
74 views

How to tell whether a process is network I/O intensive or not in user mode in Linux?

I am currently writing a program in Linux which needs to tell whether a specific process is network I/O intensive or not at runtime. I have tried some tools such as iotop and iftop, but none of them ...
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1answer
32 views

How to bypass route path filtering (for ping)?

I know asymmetric is wrong and I do not want to use it. But on the other hand I have Linux server having multiple interfaces (prod, backup, interconnect) and I want to monitor them all - via ping for ...
1
vote
1answer
45 views

Will these commands return the same output on different Linux distributions? [closed]

I am writing a monitoring script. I am running it on a specific machine, and it works. It is planned to be ran on several Linux machines, not bound to a single distribution. Here are the commands and ...
3
votes
1answer
495 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.
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2answers
99 views

server monitoring / intrusion detection for home NAS

I'm looking for some kind of monitor or intrusion detection to monitor my NAS. The following things I would like to monitor: Incoming network traffic (source -> Router -> NAS) from another country -...
15
votes
5answers
47k views

How to monitor incoming http requests

How can I monitor incoming HTTP requests to port 80? I have set up web hosting on my local machine using DynDNS and Nginx. I wanted to know how many request are made on my server every day. Currently ...
0
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1answer
87 views

Zabbix web install Redhat conflicts php

I am trying to install Zabbix on redhat 7 64bit. The zabbix server installed successfully with command yum install zabbix-server-mysql But I am getting conflicts with php70u with php56u when I tried ...
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3answers
143 views

Recommendations for Free Linux monitoring tools [closed]

My Linux version is Linux 3.4.76-65.111.amzn1.x86_64 x86_64. It's AWS. These days I'm suffering from the absence of monitoring tools, processes sometimes die without knowing it. My need is simple. ...
2
votes
1answer
273 views

Zabbix claims that HTTP service is down

I'm configuring Zabbix to monitor our servers. Zabbix is new to me. It is up and running, and monitoring works for some services. One of our Centos servers has http running, so it seems logical to ...
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1answer
22 views

Getting the size of an URL with referenced content

Is there a recommendable way to get the bytes size of an URL with all referenced images, CSS and javascript files (the number of bytes a normal visitor has to receive before the page has fully loaded ...
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2answers
42 views

How to execute a command when internet is back

Sometimes my wifi is connected to router but my router is not connected to internet. How can I execute a command when my internet is back (from command line)? I want to execute: mpg123 /home/user/...
0
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1answer
56 views

Sensu remediation : not able to trigger client

I am a newbee to Sensu remediation i tried to restart process with custom script Senario: if my http link goes down then i use to manually run the script and start it. we moved to Sensu recently as ...
0
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4answers
75 views

Ensure that cron daemon stays running

If on a debian 7 server (wheezy) running in a hosted VM and an up-to-date cron daemon there is a bug so cron stopped running without obvious reason. Since this only happened once ever since, it is ...
8
votes
3answers
98k views

How can I see what processes are running?

I use Ubuntu Server 10.10 and I would like to see what processes are running. I know that PostgreSQL is running on my machine but I can not see it with the top or ps commands, so I assume that they ...
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vote
2answers
162 views

Test script/program/app to check if my website is live

I just deployed my webserver using Apache in CentOS and I was wondering if anybody has any good ideas in how to check every specified amount of time if the server goes down and then I can use postfix ...
0
votes
1answer
38 views

How do I monitor bash_history file for manual modifications?

I am trying to create a daemon to monitor a users's bash_history file for manual modifications. In other words, if a user opens the file and modifies it, the daemon will notify this action for safety ...
2
votes
2answers
57 views

How can strace monitor itself?

I have a Hypothetical Situation. (1) Let us say we have two strace Processes S1 & S2, which are simply monitoring each other. How can this be possible ? Well, in the command-line options for ...
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1answer
83 views

udev monitor hotplug rule not running

I have setup a basic udev rule to detect when I connect or disconnect a mDP cable. The file is /etc/udev/rules.d/95-monitor-hotplug.rules KERNEL=="card0", SUBSYSTEM=="drm", ENV{DISPLAY}=":0", ENV{...
9
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5answers
20k 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 ...
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0answers
16 views

Heartbeat with no utilization nor load with ganglia

I use ganglia to monitor my computer cluster. On Ganglia Web Interface, I sometimes have the following issue: given a node, according to the physical view and the node view, the node has sent a ...
1
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1answer
52 views

How to monitor system performance over time

I wrote the below script to determine how my system is holding up against various games. It checks all the vitals (GPU, RAM, and CPU) and then appends the data to a log file. Is this a reasonable ...
6
votes
1answer
7k views

What is the difference in CPU utilization between 'ps aux' and 'ps -ef'?

I use Ubuntu 12.04.1 Linux. I see a difference between %CPU and C output format of ps command for a process. It is not clearly noted in the ps man page. Man pages says: CODE HEADER ...