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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6
votes
4answers
226 views

Quantify unix responsiveness

I am one of the n users of a shared unix machine. For reasons unknown, the machine is not "responsive" enough. For example, it is slow on interactive commands, it takes few noticeable moments for any ...
5
votes
1answer
4k views

Monitoring USB traffic

Kernel version: 2.6.31-22 I wish to monitor the USB traffic to and from a device. I've searched, but different sites seem to give different information and I'm confused. Some sites suggest that I ...
3
votes
5answers
2k views

how to ensure a program is always running but without root access?

Currently I need to have a program running all the time, but when the server is rebooted I need to manually run the program. And sometimes I'm not available when that happens. I can't use a normal ...
14
votes
9answers
19k views

Ensure a process is always running

I started hosting sites a while back using Cherokee. For external sources (FastCGI, etc) it has an option to launch the process if it can't find one running on the designated socket or port. This is ...
13
votes
8answers
8k views

What are some common tools for intrusion detection? [closed]

Please give a brief description for each tool.
59
votes
6answers
100k views

How to monitor CPU/memory usage of a single process?

I would like to monitor one process's memory / cpu usage in real time. Similar to top but targeted at only one process, preferably with a history graph of some sort.
7
votes
3answers
784 views

How to track down memory spikes?

I have an app running on rackspace cloud (ubuntu 10.04). For some reason, over the last 3 nights, the memory has been spiking and then leveling off for about 7 hours before eventually falling off. ...
6
votes
2answers
1k views

Desktop overlay program showing CPU, HDD, etc. stats

In different screenshots of people's Linux desktops, I've seen different apps that overlay the desktop with information about their computer. Often this gadget/app shows CPU and HDD information. ...