Creating pretty graphs with RRDTOOL

The open source rrdtool project helps you create a graphical view of any statistic collected at regular intervals. This could be anything you can possibly conceive. Traffic loads on your network, hard disk DMA transfers, CPU temperature, SNMP monitoring data or even mundane stuff like your employee attrition rate or payroll details.



Title  Last Comment
I do not hate Windows 10  
- I do not hate Windows 10 and honestly that surprises me, -

Microsoft Surface Book is no Apple Killer  
- Microsoft Surface Book is no Apple Killer. It's not going to lure anyone away from Apple. -

Windows 10 - flop or success?  
- Am I wrong to think that 14 million Windows 10 downloads is not an impressive number? -

Where can I get a hexadecimal or binary calculator?  
- Where can I get a hexadecimal or binary calculator that will help me manage hex and binary numbers? -

Beware the so called free Windows 10 upgrade  
- If you own Windows 7 or Windows 8 (non Enterprise versions), you'll soon be offered a free upgrade to Windows 10. Should you jump? -

The last Windows Operating System?  
- The last Windows Operating System? Perhaps inevitable, but I think it is a risky move -

Wunderlist  
- I don't like lists. I REALLY don't like lists. But I do like Wunderlist. -

How can I monitor bandwidth so we don't accidentally exceed our hotspot data?  
- I'd like to keep an eye on my bandwidth usage while on vacation to avoid overcharges. -

How can I see what pages are being accessed at my website?  
- I'd like to watch my logs as new visitors come. How can I see what pages are being accessed in real time? -

How do I look up an MX record with nslookup?  
- I'm trying to figure out why this app is sending email to the wrong server. How do I look up MX records with nslookup? -

How do I fix popups on Windows 7?  
- Anonymous asks: Right now my most pressing problem is adware. I just got off a site where there were 4 or 5 popups going off constantly. -

Microsoft's Free Software Problem  
- Microsoft's Free Software Problem - is there anyway out of this mess for Microsoft without plunging profits? -

Microsoft invents an efficient commmand line interface  
- Microsoft decides not to use Linux and invents an efficient commmand line interface for security and speed. -

RIP, Internet Explorer   2015/04/02 TonyLawrence
- RIP, Internet Explorer - Microsoft is replacing IE and moving to a brand new browser. But how brand new will it really be? -

The king is dead, long live Microsoft  
- There are other struggling companies where Ballmer's magic touch might bring back the gold. Of course Apple and Google spring immediately to mind. -

The Seven Layer inedible OSI cake  
- The other day I had to explain the OSI model to a customer. I'm not usually this cruel, but (as they say) he asked for it. -

Let's be serious about System Administration   2014/04/07 Keith
- Like Rodney Dangerfield, SysAdmins don't always get the respect they deserve. -

Basic software firewall introduction for home users  
- You almost certainly have a software firewall on your Windows or Mac computer. You also probably have a hardware firewall. Understanding just a little bit about them can save you trouble. -

Length of a domain name  
- What IS the longest possible domain name and why isn't it in the book of Guinness World Records? While we're at it, what is a domain name anyway? -

 
 











 
 
Sparse Files  
- Sparse files are a result of the way systems allocate storage space. Sparse files appear to take up much more disk space than they actually do. -

Why won't IT staff recommend Macs or Linux?   2010/01/20 anonymous
- Microsoft pays close attention to what people want. They may do a horrible, botched job of providing it initially, and at the next revision, and so on, but eventually they do provide decent products. -

Overview of Visionfs On SCO Unix   2014/05/20 Mark
- If you find yourelf in the unfortunate position of having to use Visionfs on older SCO, here are some things to know. -

All about Telnet  
- A collection of telnet related information and links. Telnet is seldom used today except for network troubleshooting. -

How do I find out what IP address a user logged in from?   2013/11/13 TonyLawrence
- Obtaining a client IP address on Linux/Unix is not always direct or easy. You may have to dig it out of shell command output. -

SCO Merge Notes  
- I did find a customer still using SCO Merge as recently as 2009! They had old Lotus spreadsheets.. -

Is Microsoft about to shoot itself in the foot (or even its head) with Windows 8?   2015/04/08 TonyLawrence
- That's a serious question. I don't claim to have an answer, of course, but I do think the answer very well could be 'Yes'. -

10 things - no, 11 things - you say that drive your computer tech person crazy   2011/09/20 anonymous
- Yes, of course people sometimes say or do silly things, even outright stupid things. We all do. Look me straight in the eye and tell me you have never done anything like that with a computer and I'll look you straight in the eye and tell you the same thing and then we'll both try not to laugh. -

Basic Home Networking, Part 3, File and Printer Sharing  
- The point of a computer network is sharing. You might not be sharing much, perhaps even only the Internet connection. If that's the end of it, you don't need much more than part one of this series, which deals with the setup of a basic small network. -

Putting the wrong name on a Win 7 user profile   2011/08/25 NickBarron
- However, both of these new computer owners panicked at my suggestion. I explained that they just needed to cable up their new system; they claimed complete inability to do even that. Sigh. Yes, I know that this is mostly in their minds. It's a form of leaned helplessness. If they would just make a small effort, they probably could do this themselves, but they just stop and refuse to even try. It's too complicated, they are afraid that they might damage something or feel foolish. -

Basic Home Networking - Part 2, wireless setup  
- Often all that needs to be done is to tell your computer that you want to connect to a wireless network. It's not always that easy, but it certainly can be. However, even if it is that easy for you, you might still want to read the rest of this in case you have problems later. You also might want to read it because being "too easy" to get connected could mean that you are running some security risk and need to address that issue. -

Basic Home Networking - routers and switches   2011/08/16 BigDumbDinosaur
- Setting up a small office or home network used to be a fairly complicated task. Aside from the technical knowledge needed, there was expensive equipment to buy and specialized tools for wiring. That's all changed - the necessary equipment is cheap and readily available and it's all very easy to configu re. -

A non-technical guide to understanding and fixing TCP/IP problems on a network   2011/08/14 BigDumbDinosaur
- The title is a bit incorrect in the .non-technical. claim, because we are dealing with a geekish subject here and I can't avoid being a little "techie". -

Joe's computer turns 3  
- I'm really excited because soon I may get to run Linux! I have been hoping for that for years and had just about given up on the idea when they tried to install Windows 7 on my drive. -

Microsoft Standalone System Sweeper   2011/06/18 Atra
- While I definitely have some complaints, this is fast. It's too bad it won't work on so many low end systems. -

Slow Finder when browsing SMB Network Shares in Snow Leopard   2012/08/08 anonymous
- Mac OS X finder in Snow Leopard, when bound to Active Directory can be painfully slow at just listing files on a SMB share. -

Micropad to kill iPad?   2013/07/01 TonyLawrence
- Microsoft finally gets ready to produce a tablet - will it be another flop? -

Network Troubleshooting   2010/03/16 AndrewSmallshaw
- As it turned out, the problem was very physical: a light fixture had fallen down and loosened some connections to a long forgotten ethernet switch. -

Basic TrueCrypt Usage   2010/01/12 TonyLawrence
- People have said that they installed TrueCrypt, but have no idea what to do next. OK, maybe the interface isn't all that user friendly. -

Lan sniffing with a DualComm port mirroring switch and Windump   2010/01/23 TonyLawrence
- Using Dualcomm Port Mirroring switch and Windump to trace network problems and detect virus activity. -

Chrome OS on Vmware Fusion  
- A look at Chrome OS in VmWare - basically, this is Linux in kiosk mode - the only apparent app is the browser. -

Fear and Loathing of Chrome OS?   2009/12/23 TonyLawrence
- I can understand some people feeling threatened and that there is a definite loss of control when moving away from our traditional paradigms. -

Network Know-How  
- This is the book I'd give to someone who needed to learn a lot about computer networks, quickly. -

Windows 7 Secrets  
- This begins by calling those who dumped on Vista know-nothings and clowns - no bias there! -

How do I capture program screens to a file or print them?   2012/09/17 TonyLawrence
- Various ways to capture text or screens on Unix/Linux and Mac OS X and Windows. -

Creating pretty graphs with RRDTOOL   2014/09/03 Varun
- The open source rrdtool project helps you create a graphical view of any statistic collected at regular intervals. -

Protect your Laptop with TrueCrypt  
- Truly affordable hard drive, laptop and USB Drive encryption software for your business critical data -

Windows Spam on Linux  
- There were some .wine files in our /tmp, which would explain the Windoze-like appearance -

Opera Unite is a little Wave  
- Opera's servers access your content and share it with others. -

17,000 Net Illiterates Can't be Wrong!  
- This website doesn't give a damn about old browsers. -

Account Currently Disabled  
- At first I thought this was because of the upgrade. He had done a fresh install and had copied over his entire /etc/samba directory. -

 
 
Samepage - Redefining how people create and share information
 
 
WPSM54G Wireless Print Server  
- My neighbor might have had a chance of doing this himself if the supplied software had worked with Vista, but without it of course he was helpless -

Windows 7  
- I know that sounds funny, but XP is very much a part of Windows 7. -

Dealing with Duplicate IP addresses   2011/11/13 TonyLawrence
- Duplicate IP's on a network is an interesting problem that has no completely satisfactory solution, especially when malicious intent is involved. Let's leave those intentional conditions for another day; here we'll look at what happens when an IP gets duped accidentally. -

Testing for Conficker with Nmap   2013/04/16 anonymous
- The latest nmap release can test Windows machines for Conficker infection -

Windows Performance Boosts  
- This is about speeding up your Windows computer. I'm assuming that you have sufficient disk space, RAM and that you don't have viruses or spyware running . -

Switching to Windows  
- Yesterday I popped in to help an app provider with a problem they were having accessing a shared printer from a Windows Server 2008 box -

Are we ever going to get serious about Security?   2011/03/20 TonyLawrence
- Linux users have reason to be smug, but the danger for Linux is the same as it is for Apple. Linux is doing a better job, but there has to be eternal vigilance. -

Microsoft move stuns nation  
- saw no reason why their Linuxproducts couldn't match Windows features by being able to roll back to earlier kernel versions. -

Backing up Virtual Machines  
- At that moment, it's actually working like a hard link: it is pointing to exactly the same disk blocks as the original file. -



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