Ubuntu :: Battery Meter Never Accurate As Far As Time Remaining Goes
May 2, 2010
I have an Asus EEE PC900. Just installed 10.04 netbook remix and everything works fine straight out of the box. it works great and is a vast improvement on windows xp which was previously installed on the asus. Just one small thing - the battery meter is never accurate as far as time remaining goes - it currently says i have 19 hours 55 minutes to go - unfortunately this is not quite true i suspect. It was the same with 9.10, Does anyone have a solution for this?
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Sep 26, 2010
in ubuntu 10.04 how do i add a battery meter to taskbar?
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Jul 16, 2010
I recently had to turn ACPI off because of major errors like the child_rip error, but now I don't have battery support or anything like that. No battery meter, etc. Is there a way I can get this while ACPI is off?
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Mar 26, 2010
How does the Battery Power Meter works.As I know that the APCI is control by software.so my question is the battery connected also to other place on the board and send signal for how much power left.or every motherboard that have APCI "Enabled" can recognize only from the DC power connector how much left. if yes, in what why it recognized.
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Jun 24, 2011
I've been tooling around with Fedora with the Fluxbox environment on my old Dell 400SD4 laptop and it works fantastic. I'm still getting a feel for the environment, but one major concern that I had was a battery meter. Being a laptop, it's important to know when I'm almost out of juice. Does anyone have any suggestions for a battery meter for Fluxbox? Preferably one that can be installed through the yum repositories?
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Dec 10, 2010
I've had this problem for a while and have eagerly awaited a fix, but have not received one. But the problem is when I'm either charging or on battery and I would click on the power manager the menu that pops up shows me the percentage of life remaining but does not give me any indication of how long I have until my battery is dead/fully charged.If I were to open up the Power Statistics window there is no information time to full or time to empty. Both are just empty.
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Jul 7, 2009
I have dual boot on my comp. Windows XP and Fedora 11 Now in both systems time zone is set to Belgrade ( which is my time zone), but when I setup clock in fedora to be, let's say 16.15h, then when I swich to windows it says time is 14.15h. When I setup in windows on 16.15h, and I swich to fedora, it says time is 18.15h. So I can't get accurate time on both systems in no way.
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Mar 7, 2011
I have a doubt, is there any switch will display remaining time or % while copying (big size files) in RedHat Linux? Example 50 Minutes remaining) / 45% remaining
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Aug 23, 2010
while doing FTP through command prompt, connections times out after some time remaining idle, but doing ftp through browser, connection doesn't time out after some time remaining idle... why is it so?
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Dec 5, 2010
When I boot without the AC cable plugged in the Power Applet says I am on AC power (but the notebook is of course running on battery power). Which is bad because I don't know how much battery time still remains. Strangely, when I boot on AC Power and then remove the AC cable both the fact that battery power is used and the remaining battery time is shown correctly. Also when I boot into battery power and then plug in the AC cable it correctly shows that the battery is charging and how long it takes until fully charged. I use Ubuntu 10.10, 32bit on an Acer Aspire One 751 if that helps. The problem has also existed in Ubuntu 10.04 and I hoped the update would solve it but it did not.
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Feb 28, 2010
I installed ubuntu and i love it but i got some question
1) How do i get a icon which says and indicates how much battery time i have left
2) [url]
If u go on that link a lok at that video and go on arounf 4 min ulll see that the person had somee amazig 32 desktop woth eyes and his mouse is like fire and water, also i have 3gb ram and n ubnntu it shows 2.75.
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May 13, 2010
I installed Ubuntu Lucid 64 bits, but found out that my laptop battery doesn't less longer on the 64 bits. I never had this problem with the 32 bits version. After going back to 32 bits lucid my Battery had much more time. My question is why are the 64 bits eats more battery energy than 32 bits version?
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Feb 4, 2011
I currently use windows 7 on my laptop which gives me on average on 2 hours of battery life. If replace windows with ubuntu, would it allow more battery life time? I am a student, and I always have battery life issue when I work at uni.
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Oct 19, 2010
The Time and Date at the top docking bar is Hanged. It shows Mon, Oct 18, 6:35 PM. That's all. But when I click on it, it shows correct date in Calender. And correct time in the bottom. I believe those gadgets are not updating at all. Cause my Battery indicator is also not working.
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May 19, 2010
hey guys. recently upgraded to 9.10. a mouse hover over my battery applet only shows percentage, not time remaining.
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Mar 9, 2011
In my computer with Ubuntu 9.10 the battery backing CMOS memory is dead (and replacing it is not an option). This requires from me to set up RTC time in BIOS each time I turn on computer (default date is from couple years back). When I don't set time, Ubuntu don't want to startup and it shows me fallowing message :
/dev/sdb1 : Superblock last mount time (Tue .... 2011, now = Mon ...200 is in the future.
/dev/sdb1 : UNEXPECTED INCONSISTENCY; RUN fsck Manually.
mountall: fsck / [842] terminated with status 4
mountall: Filesystem has errors: /
init: mount main process (840) terminated with status 3
Mount of filesystem failed.
A maintenance shell will now be started.
Is there any way to run Ubuntu without having RTC time set over, and over again in BIOS ? (It's acceptable for me not to have current time).
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Jun 30, 2010
i am using ubuntu 8.04.I wanted to clip from a movie so I ran
Code:
mencoder -ss 2453 -endpos 34 InpuTFile -acodec copy -vcodec copy -o Output
I changed the ss value still it cut from same frame of the video.It seems mencoder works faster than ffmpeg but jumps to keyframe hence cannot jump to accurately specified second.
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May 1, 2011
I just updated my ubuntu to 11.4 and restart but it stop on "Checking battery state. [OK]" line while start up. However it starts in recovery mode -> low graphical configuration mode. Is there any solution for this?
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Aug 13, 2011
I tried to trim a video in FFmpeg using this command:
Code:
ffmpeg -ss 00:20:48.500 -t 00:01:00 -i INPUT.mp4 -acodec copy -vcodec copy OUTPUT.mp4
But FFmpeg is not accurate and it started the video from a nearby point instead (from 00:24:46~). I tried to add 2 seconds to my starting point and it took another frame (not what I wanted).
The video source is H264 video with AAC audio.
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Dec 18, 2010
In cdrecord's man page, EXAMPLES, it says:
Quote:
To copy an audio CD in the most accurate way, first run
cdda2wav dev=2,0 -vall cddb=0 -B -Owav
and then run
cdrecord dev=2,0 -v -dao -useinfo -text *.wav
Now, cdda2wav samples the drive output. But the signal is already sampled in the CD. Do you think this is accurate?
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May 1, 2010
Just installed 9.10 followed by a 10.04 upgrade (wouldn't work as a 10.04 clean install). The install and upgrade all seemed to go well.
But now when booting I get a message saying "checking battery state" and then it boots no further. This is a laptop without a battery installed, running permanently from the mains through the charger.
How can I disable this check so that the laptop will still boot without a battery fitted?
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Mar 27, 2010
I have tryed out this operator on program:
Code:
#include <iostream.h>
#include <iomanip.h>
#include <fstream.h>
ofstream myfile;
[code]...
which definitly is not the same number. I guess somewhere in the convertion from double to char* ("<<") something is not right and what can i do to save these double numbers in an accurate manner in a file?
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Mar 2, 2010
getting back to our laptop, the stability window is ~3.2V. Meaning that when you operate the battery above this the electrolyte is oxidized on the positive electrode and reduced on the negative electrode. Remember that we only want to oxidize and reduce the active materials and don't want to do anything else. All these reactions other than the ones we want are called side reactions and these are really bad for the battery. The nominal voltage of a laptop battery is 3.7 V which means that something bad wants to happen as we use the battery.So long story short, stuff (e.g., passive layers and poor kinetics of reactions) happens and things are not as bad as they seem and you can increase the voltage up to 4.2V without bad things really happening. All chargers for Li-ion cells today cut the battery off when it reaches 4.2V. What you have to realize is that at 4.2V, these side reactions are present in finite amounts and start to chemically kill the battery, but its not that dramatic.
Operating to 4.1V makes things better and extends the life, 4.0 V is even better and so on. So why don't battery manufacturers cut the voltage off at, say, 4 V to get better battery life? Because every time you cut this voltage down you decrease the capacity of the battery and its run time. The 4.2V cutoff is a compromise between good run time and decent (read "not pathetic) life.On the other hand, if you charge the battery and then pull the plug (so to speak), the battery discharges some, the voltage drops, and these reactions become less of a problem and your battery life goes up. So the best things you can do is to charge the laptop (or cell phone, camera etc.) and once its charged, pull the plug. Your battery will thank you for it.As a matter of fact, if you own a Lenovo Thinkpad, you can actually change the state of charge to which you charge the battery using the Battery Maintenance utility. You can change this from charging to 100% state (where the voltage is 4.2V) to 90% so that your voltage is less. You lose some energy is doing that, but atleast you can change it to 100% when you need battery power and put it back down to 90% when you can plug in. I wish my Mac has the same feature.
I typically use the battery for a while (say 1/2 hour to 1 hour), then plug it in and wait to fully charge it, then I pull the plug and use it again for 1/2 hour to 1h and then I repeat this. Takes some getting used to and I forget to do this, but I try.
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Jul 26, 2011
We are using thin client systems in our work environment. There is a central ubuntu server and by using thin clients, we are connecting to our homes. The problem is when I try to install an application, it reported me that I had 200 mb of disk space. But when i try to look from console, I see that /home folder has over 250 gb s of disk space. Even when I try to look from baobab, Disk Usage Analyzer in Ubuntu, i see that my home file system is full.
So what's the reason that I am receiving different kinds of disk space report from different sources? Our system admin here told me that some applications foolishly try to see the physical devices on the thin client and got confused as a result. Is this true?
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Apr 30, 2011
I am trying to install Ubuntu 11 with Wubi and the progress meter is missing. I cannot see if it's 30% done installed or 60% or whatever. It's annoying.
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Jan 28, 2010
Is there any way to get information about whether something is currently played via the speakers? Is there an app that "scans" the VU-meter (e.g. pavumeter) in a terminal and prints out any information about the current "sound-volume" that goes out?I'd like to create a script that prevents my Ubuntu to suspend while something (e.g. music) is played... I know that e.g. Rhythmbox has a plugin for that, but I'd like to use SongBird...
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Jun 30, 2010
I now have a 10 GB cap on my Internet and would like a meter to tell me how much I use in a month , my IP address changes if that matters gnome ,lucid lynx
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Mar 23, 2010
in Gnome I used netSpeed an applet to simply monitor the use of bandwidth. Now in Kde I cannot find nothing to replace it.
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Aug 31, 2010
I have a 3 year old laptop with the original battery and its drained pretty bad. The "Battery may be broken" popup was driving me insane and this is how you disable it, in case you are in the same situation as me. Open terminal
Code:
gconf-editor
Drill down to...
apps --> gnome-power-manager --> notify
uncheck the low_capacity checkbox. This should disable the popup for you if your battery has little life left in it. Now, if any knows how to disable the Avahi popup, let me know.
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Jul 24, 2011
I'm using ubuntu 11.04 and have a DSL connection straight from my local telephone (landline) provider.I need a ubuntu app, preferably a daemon/service (that I can start up on boot) that, in essence, can simply log to a file, on a per session basis (with timestamps of course), the bandwidth I use (download + upload bytes).
I'm not interested in logging site info etc., just want raw data usage so at the end of the month I can run some summary reports on it.Basically I was to see if my ISP is cheating me or not (and in general to control myself on my HUGE ..... + ISO download habbits)..I need nothing fancy, even a basic command will do in which case i'll be happy to write my own basj script for that...
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