Hardware :: Power Usage Differences For PE1850 On FC12
Jan 11, 2010
I've got two servers that are (as far as I'm aware) exactly the same. Both are Dell PE1850 with the same hardware configuration, both are running of FC12, both have the same deamons running (except number 1 runs apache/php and number 2 runs mysqld). The same modules are activated for the kernel. I still have to dubbelcheck the BIOS settings, but they should be all the same.
But the power consumption of both systems is very different! A graph of the power usage is attached to this post, the spikes are reboots. Anyone can help me on finding out which system difference between these systems is causing the power consumption differences?
I just installed fc12 (64 bit) on a t61p laptop. If the ethernet is connected when the laptop is powered up, it is seen and is present in the network configuration hardware profile. If I wait until the machine is booted before I connect it, it isn't present. How do I make it so that I can connect the ethernet at any time?
Except for this minor nit, everything else worked perfectly right out of the box.
Linux OS: Ubuntu 10.10..In Windows, we can use Device Manager to check the power usage of my USB devices (like my WiFi adapter use 500mA). How to check this under linux?The purpose of asking this question is just to learn.
I've installed Xfce power manager via Ubuntu, but I have no idea how to use it, even after a restart still no change. I've gone through Control Center and even searching for it, but alas no sign of it anywhere.This is the command I ran via Terminal.
Code: $ sudo apt-get install xfce4-power-manager.I'm on Natty Beta 2,
Since I own one of those Centrino based Core 2 notebooks that create annoying buzzing noises when idle (= entering C3 or C4 power saving states), I'm looking for a program that creates artificial CPU usage. It should allow me to limit the CPU usage to a certain percentage (I know that there are a lot of easy ways to create 100% usage ;-).
Another option would be to disable the C3 or C4 states, but in newer kernels the sysfs interface to set the max_cstate on-the-fly was removed for some reason, and I don't always want to reboot after switching from AC to battery (and vice versa).
I'm looking at various low power consumption system options for running CentOS 5 on. The goal is to get a system that draws 20 watts or less, is silent (but I'll settle for very quiet), and is fast enough to be a light duty server. The kinds of things I envisage for it are low volume mail, http, ftp, subversion, ssh, maybe samba, and perhaps asterisk if I get enthused enough. Wireless network support isn't something I'll need and realistically the system is going to spend most of its running life being idle. I don't foresee any particular need to run X on it as I imagine that if I ever need to configure something graphically I'll do so by forwarding X over ssh.
I'm leaning towards the Asus Eee Box B202 as it's readily available, seems to be in the ball park of what I want, and I see on the forums here that other people have had success running CentOS 5 on it. Still, I'd prefer a silent system (though I suspect silent systems may only be available at a premium). So I'm after war stories and recommendations. What other low power systems have you run? For the Eee Box B202 or other system what kinds of real world power usage figures have you seen with CentOS when idle and when under load? Did the system perform below your expectations? If you needed to change the hardware (say, replace or upgrade the hard drive), was that straightforward or was it a chore?
I have a tricky problem which I could soIve with a c program. I wrote one and found I didnt have gcc so I tried to install it. I was told I needed to install packages. I acknowledged and an error was generated gcc-4.4.2-7.fc12.i686 requires libgomp = 4.4.2-7.fc12 I try to install libgomp and go round again.
I was trying to get the status of memory usage and disk usage using sigar in windows and ubuntu. done this in windows by just copying the sigar library into jdk library. But i was unable to do so in ubuntu. I've copied the library to java-6-sun library but still can't run the program.
I'm running into a problem where my system is running out of disk space on the root partition, but I can't figure out where the runaway usage is. I've had a stable system for a couple of years now, and it just ran out of space. I cleaned some files up to get the system workable again, but can't find the big usage area, and I'm getting conflicting results.For example, when I do a df it says I'm using 44GB out of 58 GB:
Code: [root@Zion ~]# df -h Filesystem Size Used Avail Use% Mounted on
Is there any way to monitor one process' CPU usage and RAM usage over time on Linux? I am trying to change to a cheaper VPS and need to work out what level of CPU and RAM I need!
I use Squeeze with Xfce. My problem is that recently (after the xfce updates) the xfce power manager doesnt react to the power button - it is set to suspend. I dont have gnome-power manager or anything like it running. If i reboot the computer, the power button will work but if i suspend and resume, it doesnt work again. The computer is built on an Asus M3N78-VM mobo (2GB RAM/Athlon3200+ single core).
I am using Ubuntu 10.04 64-bit and I purchased a new ALFA AWUS036H wireless card. I would like to know if this "1Watt" wireless card is configured for full power. iwlist wlan0 txpower results:
wlan0 unknown transmit-power information. Current Tx-Power=27 dBm (501 mW). It appears to me that I should be able to increase the power. "iwpriv wlan0 highpower 1" does not work. Do I need to patch the new default driver that comes with Ubuntu 10.04 64-bit with the aircrack one following these directions:[URL]...? Monitor mode and a injection tests seem to work fine with the driver I have installed.
I'm looking for any power monitoring devices for Linux to allow monitoring power quality, voltage changes, and outages. This would be for North American three phase power system. I want to have this data fed live to my own program. It should be something much better than just jury-rigging a circuit to fee the power waveform into 2 or 3 audio cards.
I had unplugged my PC last night as sometimes there's storms at night this morning I plugged in PC and the power light is blinking and the PC wont come on at all tried different power cord, same result
PC is a AMD athlon64 3300+ 2.4ghz SiS graphics
probably the power-supply or what?
If it is the power supply, how do I find new one as I've never had to replace anything on it or any other PC?
Also, I really need access to the hard drive but it's a weird hard drive and was wondering if I could put that hard drive in my K7 PC, which already has 2 drives in it can a pc have 3 drives? do I have to add/have another ribbon cable for 3rd drive?
I am sure that all of us know the result of top command in linux. i want to get the value that the top command return as CPU usage, memory usage. so how do i do(programming relation)?
I've come across a really strange issue with one of my RHEL servers. The "free" command shows that 7019 MB of memory are actually in use by my system, but when summing up the actual usage (or even virtual usage like the example below) it doesn't add up - the sum is far less than what is reported by "free":
On the last release, I had this app installed where I could pick my power profile. I could use power conservatively, and performance would suffer a bit, but longer batt life,or I could have it automatically detect, or I could have the apps use all the power they want and then some. I'm looking to reinstall that app. What was the name of it?I can't remember, and so far, can't find.
Seen as my ATI driver doesn't support Ubuntu 9.10 and neither does LinuxMCE [my two biggest bug bears at the moment] I am considering downgrading to Ubuntu 8.10.
I just wondered if there were any major differences or if I am likely to see any major issues because of things that were fixed or added to 9.10 that weren't available in 8.10.
After much research, I have found the solution to my intermittent wireless problem!Whenever the laptop is plugged into power, wireless is perfect, when I'm on battery, wireless is horrible.Here is the fix:
Code: sudo iwconfig eth1 power off Unfortunately, I have to type this in everytime I unplug the laptop.
I have a proprietary device - something like an iPad screen - which has a front panel display with touchscreen buttons that work internally as a USB keyboard. During testing/debugging I want to connect it to another keyboard via the external USB port.Any application which I open on the device by pressing some characters on the touchscreen accepts input codes from either USB keyboard. I want to limit the touchscreen USB keyboard input only to a specific set of apps.Is there a program which can help me detect which USB port or device the code is coming from? Or someway I can map one keyboard to send a different set of codes? The device is using Linux.
I've seen in the forums people prefer or dislike Gnome/KDE. I looked around and the differences seem to be cosmetic and not that complicated. Are there any differences "under the hood"? What I mean by this is maybe the way programs behave, user options, etc. or is it all cosmetic?
I am not having a problem but I was just wondering, now that 10.10 launch is coming nearer, whether or not to upgrade from 10.04 to 10.10. 10.4 is working fine and the only real reason for me to upgrade would be a better boot time (is there a better boot time with 10.10?) ... or am I missing an other important reason?
I've used two internet services to show me my IP address, and I get different results:1. Whatsmyip.org : ***.**.109.***2. ipchicken.com : ***.**.111.***All the * numbers are same, except 109 and 111. (or link me to explanation) of which one's which?
My old Intrepid box got old and senile in the hardware, so I had to take it back round the shed and put her down.I buried her next to her favorite tree in the backyard. So yes, I got this new Mini ITX setup with a dual core Atom processor and 4 gigs of ram for my new computer. I'm going to use it as a media center in my living room. However Atom 1.6 ghz is no screamer so I'd like to build a system using a light weight operating environment to leave more power for running programs and playing my media.
I could install the latest version of Kubuntu again but I thought this time I'd try to get a bit deeper into Linux and educate myself. Could someone clarify the differences between XFree86, Window Manager, and a Desktop Environment (KDE/GNOME/etc)? I know it goes like Hardware -> XServer -> XFree86 -> Window Manager (I read the tutorial on linux.org). But where does KDE or a "Desktop Environment" come in? Is KDE a decked out window manager with its own programs that runs on top of XFree86 or what? Or does it totally replace XFree86?
I was wondering what are the main difference with these two languages? I mean besides just the syntax, only recently started looking at pascal. I find the syntax of Pascal nicer than C. So under the hood so to speak what are the differences? Also why do i see many look down at Pascal? Since C and C++ now are in more use than pascal, im guessing it offers something that Pascal and Object Pascal cant?
what the actual differences are between the different versions?Is it simply in the interface or does netbook have different services running by default, different hardware detection or anything else that makes the system run any differently? I know netbook doesn't have compiz installed by default but is the rest of the package set the same? I ask because I have been having various problems with boot and audio along with a few other niggles. I was running the desktop edition through the betas and the RC with no problems at all but I installed lucid final from a netbook edition iso and have done two more fresh installs from netbook iso and seem to be having a lot more issues.
