Obtaining real-time values of system parameters or events (processor load, server responsiveness, intrusion attempts, …), or getting alerted when certain events happen
1
vote
1answer
33 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
63 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 ...
0
votes
0answers
20 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
vote
2answers
74 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 ...
0
votes
2answers
36 views
Detect systems on which a particular application is running in a network
Is there any way in Linux to find out in how many systems the same (one particular) application is running in a network? and if so, can we figure out IP address of those systems?
Update : All ...
1
vote
0answers
24 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 ...
0
votes
1answer
58 views
SMTP connectivity issue in Zenoss (“Connection unexpectedly closed”)
I am using Zenoss for monitoring purpose .And I had been using its mail service for long time .Suddenly my mail service in zenoss stopped and started showing <class ...
1
vote
2answers
128 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
votes
1answer
70 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.
2
votes
1answer
176 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 ...
3
votes
2answers
235 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
votes
2answers
167 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 ...
2
votes
1answer
120 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
votes
3answers
111 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
votes
0answers
20 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
vote
0answers
62 views
How to setup an audio/sound output monitor/listener?
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
168 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 ...
4
votes
1answer
44 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
vote
0answers
45 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
173 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
vote
2answers
130 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, ...
1
vote
1answer
176 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
vote
2answers
125 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
124 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
269 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
120 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
131 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 ...
1
vote
2answers
110 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
1answer
282 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 ...
1
vote
0answers
178 views
Awesome Apache Monitoring
I'm doing some research into how I can collect and graph useful statistics from apache per vhost:
Bandwidth Usage
Number of requests
Errors
Busy workers
Free workers
Queued/Waiting requests
Bonus ...
2
votes
3answers
214 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 ...
3
votes
2answers
1k 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
0answers
85 views
Connection status monitoring tool
I have an internet connection that is flaky; when it goes bad, there are things that can be done to restore it, so I've made a connection monitoring script to figure out if my connection is gone or ...
1
vote
1answer
144 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
94 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
vote
2answers
66 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
340 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 ...
3
votes
4answers
201 views
How to see the commands executed in another shell?
Is there a way to watch what commands are being executed in another shell, as they're being executed? Both shells are bash, and I have root access, if that matters. I can't install any extra software, ...
1
vote
2answers
137 views
How to monitor specific files in unix [duplicate]
Possible Duplicate:
How to run a command when a directory’s contents are updated?
Any one know how to monitor files in Unix. I want to take backup of that files when its modified and store ...
1
vote
3answers
162 views
What logs would be written if file system is full in UNIX?
I am working on a unix server and I guess during some time in past the file system had been full. However, I need some solid data to prove it. Will there be any OS logs or something of that sort to ...
1
vote
2answers
320 views
Bandwith monitoring in Linux
I just need to get how much bandwidth is used in 3 or 4 days. Do you have any application in the terminal to do it?
I'd prefer if it didn't use SNMP.
I found iptraf, wireshark, cacti, but they were ...
10
votes
2answers
334 views
Linux program to look into what you're downloading
Is there a linux program that allows you to look into your current download traffic? Something that can list all the addresses I am currently connected to and downloading from.
5
votes
1answer
1k views
Monitor mode wifi only seeing broadcast packets
I have pretty much exhausted every link I have found on google regarding this topic, and I'd like some of the most experienced eyes on the problem, because something obscure must be going on.
Systems ...
1
vote
1answer
80 views
Can we use history file for auditing purpose
We have a common testing environment on AIX for all 15-20 persons. There might be chances that somebody deleted the files mistakenly. In such scenarios, it is very difficult to know who deleted files ...
1
vote
1answer
81 views
How to read the temperature of Tesla M2050?
NVML(nvidia-smi) does not support the temperature for this videocard
nvidia-settings does not work, because it is a cluster node(with 3 gpus) and there is no X
lm-sensors does not show gpus
...
4
votes
1answer
1k views
Tracking what commands were executed after sudo to another user
I have provided sudo to ten users to become another user like nsup.
I want to track which user executes which command after they become nsup.
If there is a way to store the log files in a common file ...
1
vote
0answers
109 views
Is collectd able to send data tagged as a host other than itself?
I log various stats both generic and custom from a lot of different servers using collectd to a single host running a network listener. The setup is pretty simple. All the systems run an instance of ...
3
votes
3answers
403 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 ...
3
votes
1answer
95 views
Efficient mechanism to determine if open file has been externally modified?
For example, the IDE I'm using at the moment (Aptana Studio) notifies me as soon as a file's contents it has open have been changed by some external program.
I can imagine having a periodic loop run ...
1
vote
1answer
101 views
Monitoring interface changes with udev, especially if a route is set
Is there a way to monitor interface up/downs, especially to check if a route is setup or removed, with udev?
