This article is part of our on-going performance monitoring series of articles.
In this article, let us focus on how to monitor network traffic and log them for later analysis using vnstat utility.
vnstat is a command line utility that displays and logs network traffic of the interfaces on your systems. This depends on the network statistics provided by the kernel. So, vnstat doesn’t add any additional load to your system for monitoring and logging the network traffic.
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Learning and exploring Linux and open source technologies requires lot of free time in hand.
The best way to get free time is to eliminate unnecessary things from your life, and try to organize your life.
Even if you adapt handful of ideas from this list, you’ve taken a huge step towards organizing your life and being productive.
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How important is it for you not to lose your critical documents, pictures and videos of your kids because of a hard disk failure?
If it is important, stop using the single disk external hard drive.
If you are using a single disk external hard-drive, it is just a matter of time before you lose your data. Hard disks will fail, there is no exception to this rule. This is the main reason I switched from a single drive external hard disk to a RAID device for home backup.
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During performance testing of your application you might want to perform some sort of memory regression testing. This article contains two memory regression scripts that are written in perl which will occupy a specific amount of memory for a certain amount of time, for your testing.
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You can connect with us in more than one way. Use the following methods to connect with us.
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Have you ever wondered how your computer talks to other computers on your local LAN or to other systems on the internet?
Understanding the intricacies of how computers interact is an important part of networking and is of equal interest to a sysadmin as well as to a developer. In this article, we will make an attempt to discuss the concept of communication from the very basic fundamental level that needs to be understood by everybody.
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OpenOffice works on both Linux and Windows. On Ubuntu, OpenOffice is the default office suite. On Windows, instead of spending money on Microsoft Office, download and use Openoffice.
OpenOffice Calc offers pretty much most of the functionalities that are in Microsoft Excel. The following is the list of some Openoffice calc spreadsheet tips and tricks.
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One of the typical configuration activities you’ll perform on a Cisco Switch is to manipulate VLANs.
VLAN stands for Virtual Local Area Network.
In one physical cisco switch, you can create multiple VLANs that connects to different network.
For example, a VLAN for 10.10.191.0 network, a VLAN for 10.10.192.0 network, and a VLAN for 10.10.193.0 network. All three of these can be configured in the same physical switch.
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Linux 101 Hacks 2nd Edition eBook - Practical Examples to Build a Strong Foundation in Linux
My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about Ramesh Natarajan and the blog.Copyright © 2008–2024 Ramesh Natarajan. All rights reserved | Terms of Service