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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2
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2answers
118 views

Is there an auto refreshing graphical text file reader?

So, is there a graphical text reader or editor that automatically refreshes its text if the file is completely changed outside of it? I found that gedit detects file changes but refresh is not ...
1
vote
2answers
101 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. ...
3
votes
1answer
1k 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 ...
2
votes
1answer
31 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.
2
votes
1answer
62 views

How might I log my Internet traffic, grouped by IP address/hostname, port, etc?

While I'm going to be switching to a slightly saner plan soon, being stuck on a 5GB monthly bandwidth cap has made me very data-conscious, and I'm looking for a way to log my Internet usage in such a ...
2
votes
1answer
2k 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 ...
2
votes
1answer
67 views

Is monitoring rsync with a pts device possible?

I have a rsync backup script, and I was wondering about methods of monitoring it as it runs. I could have it save a log and use watch and tail, but I had a more elegant solution in mind that might be ...
2
votes
1answer
74 views

starts logging when the limits are hit

/etc/security/limits.conf. The file is responsible to limit resources of users/groups on a Linux server. Unfortunately, the file does not generate any logs (or the case could be that I do not really ...
1
vote
1answer
13 views

How can I plot disk io per process over time

I would like to analyze and visualize the disk through put of certain processes over time to see how much data is written to disk and to see at which times a process does not utilize the whole disk ...
1
vote
1answer
51 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 ...
1
vote
1answer
211 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 → ...
1
vote
1answer
151 views

SystemTap simple demo fails

Started learning SystemTap using RedHat's manual. Here is the example I'm trying to run. While executing stap open.stp I got the error: [root@ror6ax ~]# stap open.stp semantic error: while resolving ...
1
vote
1answer
120 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 ...
1
vote
1answer
1k 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 ...
0
votes
1answer
47 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
votes
1answer
59 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
1answer
275 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 ...
0
votes
1answer
143 views

Nagios Core Acknowledgement notification (email)

Nagios Core 3.X on RHEL. I want to know how to send an email to the relevant contact group when someone Acks an alert.
2
votes
0answers
69 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
0answers
76 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 ...
2
votes
0answers
269 views

udev rule for bluetooth device(logitec)

I want to write udev rule for a Logitec Bluetooth. My keyboard and mouse connect to PC as one Bluetooth device. When I monitor udev, I see there are separate events for keyboard and mouse. I want to ...
2
votes
0answers
99 views

CUPS and printer security

I would like some help on securing a networked printer. Specifically, I'm interested in the following: 1) Preventing unauthorized access to the printer: I would like only certain laptops that connect ...
1
vote
0answers
24 views

loggedfs crashes system with “access: Transport endpoint is not connected”

I'm trying to use loggedfs to monitor my system changes, and it works great for some time, but then, eventually, it crashes and my fish shell starting to output "access: Transport endpoint is not ...
1
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0answers
57 views

Monitor the creation of new processes

I want to get a notification whenever a new process is created. I've tried to use inotify on /proc, but it didn't report any event even though a new directory appeared in /proc. I could list the ...
1
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0answers
47 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 ...
1
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0answers
55 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 ...
1
vote
0answers
264 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 ...
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0answers
148 views

Monitoring Disk Latency

We have quite a few physical machines in our environment, yet we have no trending data over a period of time for disk latency statistics. We can easily run the standard iostat commands to see what the ...
1
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0answers
60 views

Tracking user CPU hours

I am looking to work out which users on our system are using the most CPU resources. to check this? So I would like to find out: CPU-hours this month, (and % of total) CPU hours this week, (and % ...
1
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0answers
43 views

memory consumption alert

My VPS has reported a memory consumption alert says reached 273% and I cannot access any of my sites. But I checked on the terminal today and it does not look like a memory problem. Am I correct in ...
1
vote
0answers
303 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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0answers
104 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 ...
1
vote
0answers
295 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 ...
1
vote
0answers
438 views

Add blinking network-monitor icon to GNOME / XFCE

I'd like to see if I have incoming or outgoing network traffic via a little blinking network-monitor icon in my system tray, similar to the network system tray icon in Windows XP and Android. I would ...
1
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0answers
265 views

Using device node of host bus adapter to send ioctl calls to monitor RAID status

I am interested in determining the status of a RAID array on my system (using Debian, and Intel ICH10R sata RAID controller = fakeRAID). What I have learned so far is that: I can use CSMI I/O ...
0
votes
0answers
16 views

Cycle http requests monitor

How I can monitor cycle http requests by linux and store IP which scan my site? I need to find all scanners with copies of my site content. example. If IP 192.168.1.1 open index.php every 1 minute, - ...
0
votes
0answers
16 views

iotop layout help

my iotop is displaying some columns really closely, how do I space them out? Total DISK READ: 0.00 B/s | Total DISK WRITE: 3.57 K/s PID PRIO USER DISK READ DISK WRITE SWAPIN IO> ...
0
votes
0answers
6 views

dns dsc auto refresh

I installed the DNS traffic monitoring tool DSC in the centos6.4, but the DSC Apache page is static, how to set up to automatically refresh? For example, each minute refresh time
0
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0answers
27 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
votes
0answers
29 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 ...
0
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0answers
199 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
votes
0answers
38 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 ...
0
votes
0answers
61 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
votes
0answers
911 views

Why are ifconfig's rx/tx bytes reset?

I save every 30 minutes ifconfig's rx and tx bytes for a given interface (ppp) and I see most of the time a steady increase but there are lots of drops/decreased, as if ifconfig's counter was reset ...
0
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0answers
51 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
votes
0answers
2k 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 ...