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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18 views

run a certain file (e.g. a .py) when a certain image, .wav or excel file get opened [duplicate]

Recently, me and my friend have purchased a Palm Vein Scanner. the goal was using it in a mini-project as a new door lock system. we are connecting it to a Raspberry Pi to run the software on it. ...
0
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1answer
24 views

How to monitor bunch of machines for CPU usage from another machine?

I have couple of machines as shown below which are running Ubuntu 12.04 and I need to find out the process name along with its pid whose CPU usage is greater than 70%. Below are the machines as an ...
0
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0answers
9 views

Ejabberd monitoring in ZenOSS problem?

I have installed a Ejabberd chat server in server with IP 192.168.1.52 and also i have installed SNMP version 3 at this server. Now i want to monitor it with ZenOSS in server with IP address ...
0
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1answer
21 views

CPU time that accton (psacct) records - recorded time relationship between parent and children processes

I've had 'accton' (in package psacct-6.3.2-63.el6_3.3.x86_64) turned on as I want to be able to report on a particular process (so I've written a script that will take the psacct file and get the ...
0
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0answers
23 views

Why does reading from a symlink to network location cause local disk activity?

I am running RHEL 6.4 and have a symbolic link in my home directory to a large file stored elsewhere on a network. My home directory is a network location as well. I've noticed that when I run a ...
2
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3answers
66 views

Is it possible to detect when a file has been downloaded?

We have a server where another script sFTPs and downloads files everyday. Question: Is it possible to detect that the file was downloaded and then for me to automatically archive the file after they ...
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0answers
44 views

Icinga2 node wizard does not set address

We have successfully installed Icinga2 on a master server and on several client nodes. We used the new icinga2 node wizard to setup first the master and then the nodes. After the process is ...
0
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0answers
26 views

LAMP CentOS page/folder Outbound Inbound bandwidth monitor

I have a site, the server provide only allow 2000GB/month ($0.02/GB extra). I have monitor the bandwidth in my control panel, every day, i have about 12GB Inbound, but 100GB+ Outbound, a number very ...
3
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1answer
55 views

Alternative to iotop for non-root user without sudo privileges

I'm looking for an alternative to iotop. Here's my situation: I want to find out if a program is accessing the hard drive a lot while running. iotop requires root/sudo privileges. My account is on ...
2
votes
3answers
132 views

CPU and Memory usage monitoring for a single process

I need to monitor the CPU and Memory usage for a single process in an AIX server. The program runs 3 times a day. I need to find the way to capture statistics within some time intervals, lets say ...
0
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1answer
40 views

to check the url is live

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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2answers
111 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
75 views

React to incoming files in a directory on HP-UX

How can I achieve this logic using a script: Monitor new incoming files in a directory. If files are not received in the directory for 3 hours or if the received file is empty then do something. ...
1
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1answer
47 views

Cron job — If computer inactive for x minutes turn wifi off

I would like to have an alias command in my .bashrc that could be ran at startup. That states: If computer is inactive for X minutes then turn off wifi. How would I do that? I am currently using ...
1
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0answers
44 views

Need a script to send an email when an input has not changed for more that 30 minutes

I need a linux scrip that will send an sms when there is an input change and it has not gone to the initial state after 30 minutes, I have the following so far, but, I am sure there are few things ...
2
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0answers
17 views

Sending SMS in Linux? [duplicate]

How can we send a SMS message from a Linux server to mobile for notifying specific process status saying when a process goes down?
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1answer
26 views

Start a service on a network request (socket activation)

I have a program that under normal activation listens on some port. I don't want the program running continuously. Is there a "quick and dirty" way to wrap the application in a shell script or ...
1
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0answers
37 views

monitor a process by matching the full cmdline

I'm looking for a software that can monitor a process (specified as a partial string/regexp match (e.g. grepping) in its full command-line) in terms of cpu and memory usage. If any of those processes ...
9
votes
2answers
166 views

Print pids and names of processes as they are created

From the question here, the OP wants to repeatedly poll the pid of a process using pidof in a shell script. Of course this is inefficient as a new process must be started for the pidof program ...
0
votes
1answer
52 views

How to move a file to another directory, as soon as it is created, in linux? [duplicate]

I want to move all the *.xxx file created in a directory to another directory. But, I want that as soon as the files are created, they should move to another directory. Please Help. Thanks in advance. ...
1
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0answers
53 views

When was my machine last touched?

It is occasionally useful for me to know when my machine (Debian wheezy) was last touched. To be precise, I mean the more recent of the times I typed on the keyboard or moved the mouse. When I ...
0
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0answers
15 views

Shell script to monitor log files going over a certain size [duplicate]

Due to another issue I'm tracking down, one of my app servers occasionally starts generating a large amount of errors and then becomes unresponsive. For now, the simple solution is to restart the ...
1
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2answers
222 views

Remote monitoring Linux server from Ubuntu workstation via SSH [closed]

I am looking for a convenient way to monitor my Ubuntu server from my laptop (running Ubuntu Desktop). I understand this is easily achievable by SSHing to the server and running commands, but I'd like ...
2
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3answers
1k views

Cron job to check if PHP script is running, if not then run

I am wondering if someone might point me in the right direction. I've got little experience working with the Linux command line and recently due to various factors in work I've been required to gain ...
4
votes
4answers
269 views

List ports a process PID is listening on (preferably using iproute2 tools)?

I'm looking to list all ports a PID is currently listening on. How would you recommend I get this kind of data about a process? NOTE: I was surprised I could not easily find an answer to this!
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1answer
101 views

How to send a mail when someone remote connects to my server

I would like my server to send a mail to me when someone connects remotely over ssh to my server. who only gives me back the Username, TerminalID and Date. I cannot use only that, I need to check ...
4
votes
3answers
332 views

Open a directory and let it update itself using “tail -f”

Similar to my last question: Open a text file and let it update itself; is there a way I could do the same but for a folder instead? As I have a log folder, can I use tail -f with a folder? i.e. $ ...
1
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1answer
44 views

Find service by network activity

I see a strange DNS request at tcpdump and I want to find service which is originated from. I've already tried to find it with different monitoring tools but still no luck. Is there any proven ...
6
votes
2answers
84 views

Operations only on complete files [duplicate]

I have machine on which the files are uploaded by ftp. From this machine I would like to run cronjob and scp/rsync (simply copy them) to different machine in the same network. The problem is I don't ...
10
votes
3answers
868 views

Open a text file and let it update itself

How can I open a text file and let it update itself? Similar to the way top works. I want to open a log file and watch it update itself on the fly. I have just tried: $ tail error.log But just ...
2
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0answers
36 views

API Monitoring and Hooking

I am currently reading the "Malware Analyst's Cookbook and DVD". There is a chapter "Dynamic Analysis" and there are also some recipes about hooking and monitoring API calls of process but it is for ...
2
votes
3answers
246 views

Monitor history of USB flash drives

I have to setup a monitoring system for our internet server, to monitor which USB Flash Drives (Pen Drives) are mounted and unmounted and when.(This is to avoid misuse, and to capture which ...
0
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0answers
43 views

Issues with net-SNMP . MRTG not generating graph to monitor network bandwidth

I am monitoring network bandwidth for my servers using MRTG . But suddenly can see graphs are not generated for one of the Linux servers running on CentOS 5.5 . SNMPD service is running on the server. ...
0
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1answer
47 views

CPU and Memory Usage

I want to monitor the CPU and Memory usage for long hours and find the average of that on a Linux server. Can anybody help me to monitor it using a script. I want to know the readings for around ...
0
votes
3answers
77 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
2answers
174 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 ...
1
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1answer
266 views

Real vs Actual memory in Xymon/Hobbit

What is the difference between real and actual memory usage in xymon ?
3
votes
1answer
126 views

PBS equivalent of 'top' command: avoid running 'qstat' repeatedly

When I run several jobs on a head node, I like to monitor the progress using the command top. However, when I'm using PBS to run several jobs on a cluster, top will of course not show these jobs, and ...
5
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2answers
36 views

How to monitor Memory utilization of the single process?

How to monitor Memory and CPU usage of the single process by program/executable name(not PID);
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3answers
254 views

Lots of traffic between servers - where does it come from?

We have ten servers in two groups servers, and there is a lot of traffic between those groups - too much we think. We know this because of stats of our provider, but don't know how this traffic is ...
1
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2answers
83 views

How to see what processes WERE running?

Is there a chance to get the processes that RAN before my system crash? EDIT What I really want is to see the past processes. My system crashed & I want to know if a specific process was the ...
1
vote
2answers
100 views

Monitor Disk Usage per directory/file

I have a huge java app that drives my disk crazy. As I think that this issue is only due to 3-5 small things I would like to monitor what is written to/read from disk within an hour sorted by size and ...
2
votes
0answers
63 views

monitor running services and ports

What is the best way to monitor running services and ports on a system with systemd? My intent is to alert me, when a service stops running or if a new service is listening on a new port (possibly a ...
3
votes
1answer
80 views

Monitor outgoing web requests as they’re happening

I want to see a list of all outgoing HTTP requests from my desktop. I think it should be possible to monitor HTTPS hostnames as well for local clients using Server Name Indication (SNI). OS X has a ...
1
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1answer
191 views

How to monitor outgoing http requests per user?

I'd like to know how to monitor users' outgoing http requests. I've got a FreeBSD 8.1 server, and I would like to get an output like this for http requests: source MAC address or IP address → ...
2
votes
1answer
29 views

Track HDD access?

How can I track HDD access? Not in a monitoring sense of MB/s like iotop. My internal mass storage HDD gets permanently woken up and I want to find the evil process with an absolute list of accesses.
1
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0answers
246 views

tcpdump not capturing http or tcp/ssl traffic

I have been trying to learn tcpdump and I am using this command to attempt to monitor my network: sudo tcpdump -I -i en1 But this gives me a bunch of stuff I don't want, so I used this version to ...
3
votes
1answer
117 views

Monitoring filesystem activity

Say, I have a program, and I want to monitor its filesystem activity (what files/directories are created/modified/deleted etc.) This program may be capable of spawning further processes, and thus, I ...
0
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1answer
47 views

get cpu by user

Working with monit I need create an alert that get cpu usage of system users, so: top -b -n 1 -u user1 | awk 'NR>7 { sum += $9; } END { print sum; }' seems a good solution but I'm not sure about ...
4
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3answers
226 views

how to determine how many times pid_max wrapped?

Is it even possible to know that? may be some kind of tests are required to be performed in order to find that information? My system, just after I login, seem to have already wrapped the max_pid, so ...