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

learn more… | top users | synonyms

3
votes
1answer
2k 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
40 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
73 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
4k 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
83 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
82 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
63 views

Monitoring tool without web interface

I need to monitor a Linux server. I'm searching for a monitoring tool able to store system information (CPU, RAM disks usage, Apache and Postfix status, etc.) throughout the day and send an email ...
1
vote
1answer
92 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
55 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
243 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
265 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 ...
2
votes
0answers
12 views

Smokeping list only systems down

I'm using smokeping to monitor our 400+-systems. Everything works and functions as it should. Only i want to make a view or a filter that only shows the lines that are down, or that match a certain ...
2
votes
0answers
72 views

How can I monitor the interactions of an application with dbus?

I think the title says it all. I have a set of applications, I want to montior any and all interactions of the applications with dbus. The things I've played with don't seem to have a way of focusing ...
2
votes
0answers
170 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 ...
2
votes
0answers
177 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
129 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
344 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 ...
1
vote
0answers
47 views

How to capture tail -f output from remote host indefinitely

I am trying to monitor a remote, embedded host that is writing output to a file: /var/log/myapp.log This host may lose power for hours. The app may be killed and restarted. On my local machine, I ...
1
vote
0answers
36 views

FreeBSD: Control operational and administrative status of virtual interface

I'm looking for a way to freely control the administrative and operational status of a virtual interface as seen by a snmp get requests: $ snmptable -c public -v 2c myserver iftable SNMP table: ...
1
vote
0answers
20 views

Sample monitoring of ZFS using mrtg

Was wondering if anyone has a quick and simple mrtg hack to monitor a ZFS file system, thought it would be wise to ask before writing one up myself....
1
vote
0answers
34 views

Passing a parameter to a dstat plugin

I wrote a simple plugin (dstat_externalBackup.py) for dstat to monitor the filesystem free space and placed it in /usr/share/dstat and it works as intended. € dstat --externalBackup 3600 extern free ...
1
vote
0answers
19 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 ...
1
vote
0answers
73 views

How can I get read/write instant speed of a Hard Drive using /proc/diskstats data?

I know that the proc/diskstats file presents these data columns: 1 - major number 2 - minor mumber 3 - device name 4 - reads completed successfully 5 - reads merged 6 - sectors read 7 - time spent ...
1
vote
0answers
70 views

Program like vnStat that filters for only external (Internet) traffic

I've been using vnStat to monitor the ethernet interface on a Linux computer, but found that it includes all local traffic. I do many file transfers from within the subnet which far exceeds the ...
1
vote
0answers
171 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: ...
1
vote
0answers
52 views

mrtg configuration

I installed mrtg and want add CPU, Memory graphs of local machine (not router) . Traffic graphs page working properly.Tried to find tutorial how to do that but: I do not have mrtg dir on /etc to ...
1
vote
0answers
43 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
vote
0answers
60 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
vote
0answers
82 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
329 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 ...
1
vote
0answers
259 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
vote
0answers
76 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
vote
0answers
48 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
351 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
vote
0answers
112 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
481 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 ...
0
votes
0answers
102 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 ...
0
votes
0answers
18 views

Monitor application usage over time

I would like to monitor over time: the number of times applications are launched the time duration of the process the commands I have launched in the shell This is so as to have a rough estimate ...
0
votes
0answers
12 views

Measure data submited to a blocked ip adress in iptables

With: sudo iptables -A INPUT -p all -d $ip -j DROP One can drop all packets submitted to an ip adress (or a range of ip adresses). This method is useful if you want to prevent applications from ...
0
votes
0answers
20 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
21 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
10 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
votes
0answers
55 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
34 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
votes
0answers
497 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
79 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
1k 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
votes
0answers
52 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 ...
0
votes
0answers
290 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 ...