Hardware :: Any Way To Test If RAM Is Working / Stable
Jan 22, 2011
I'd like to ask you if there is a way to test if RAM modules are working/stable. I don't mean memtest86+ test, my previous motherboard crashed after inserting another module (problem could not be specified/or/and was in RAM, so I got new ones from seller). So now I'd like to ask you, if there is some way to determine if RAMs are working and stable. I don't know any other way than applying them to them motherboard and testing, but now it really is not what I want to do. Maybe there could be some device which can test them, or something.
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Jan 31, 2010
Get a Realtek rtl8187l based usb-adapter (such as netgear wg111v2) work in linux is not tricky, but how to get high tx power and driver stability?
You could have tried ndiwrapper, as i did, and got stuck with a kernel module pretty buggy and crashy, or could have just used the common native driver, without hi-power feature.
To achieve my zen state, i had to work around with a base native driver, a feature-filling patch to apply to it, and the only working kernel supposed to work with, 2.6.27.
That's a brief step by step path:
get the base driver (rtl8187 in our case) and decompress: [URL]
get the featuring patch "rtl8187_2.6.27.patch" from: [URL] and extract it in the base driver directory
then apply it with: ~$ patch -Np1 -i rtl8187_2.6.27.patch
remove old modules, compile and install new one (as root)
~# rmmod r8187 rtl8187
~$ make
~# make install
Now you should have a new net device (wlan#) under iwconfig you can use as usual.
To turn on the hi-power capability: ~# iwpriv wlan0 highpower 1
and set the transmission power value (may be dangerous, see below): ~# iwconfig wlan0 txpower <value of 0 to 35> # i use 30, should be around one watt
and wuel you're done you have your pen running strong and stable on the 2.6.27 kernel.
For a detailed reference and clarification about txpower sets, see the aircrack page: [URL]
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Mar 22, 2010
IM using Ubuntu 9.10 running from USB,
My current text.cfg --->
default live
label live
menu label ^Run Ubuntu from this USB
[code]....
i tried to add these lines in the test.cfg , but its not working. i do hav these folders and files with in the disk,
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Feb 5, 2011
Code:
Fedora 14 xfce
2.6.35.10-74.fc14.x86_64
HP Mini 210
arecord -L
default
Default
front:CARD=Intel,DEV=0
HDA Intel, STAC92xx Analog
Front speakers
surround40:CARD=Intel,DEV=0
HDA Intel, STAC92xx Analog .....
I was trying to make a skype call to someone. However, I can hear them, but they can't hear me. I did a skype sound test. And discovered it was my mic not working. However, I can't see any configuration to see if my mic is muted or not.
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Dec 15, 2010
Set up a server with Bind, Dovecote, Apache etc. Registered a domain and made all the necessary things for it to work. The server can send/receive mail on my domain, but when I try to look up the site I have it returns a lookup failure. I know Apache is working as I can browse the site when I used my ip address but I can't when I use the domain name. Anyone got a few tricks I could try to dumb down and find the possible failures I did when setting this up?
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Mar 13, 2010
Install Debian Testing (KDE4, 2.6.32-trunk-amd64) and java with aptitude install
sun-java6-bin
sun-java6-fonts
sun-java6-jre
sun-java6-plugin ia32-
sun-java6-bin
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Oct 9, 2010
So I activated the Firefox profile:
Code:
And restarted Firefox (even rebooted), but it doesn't seem to be working. When I open Firefox I am able to perform a "Save Page As" in locations I shouldn't be able to, like my Desktop or Pictures folder.
The following command says the Firefox process is in enforce mode:
Code:
Of the following lines, the only directory which is "rw" is /Downloads, why am I still able to write to other places?
Code:
OS: Ubuntu 10.10
Can someone with an active Firefox profile do this simple test for me? Click File -> Save As and try to save somewhere the Apparmor profile shouldn't let you, and let me know the results.
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Jun 6, 2010
Basically, it is a Bluetooth scanner that is designed to do just one thing, scan for discoverable devices in range and record their MAC, name, and the time/date they were found to a log file. There are only a few options, it is pretty much a set it and forget it sort of thing. The only requirements are BlueZ (3.x or 4.x), and that your computer has a Bluetooth device that is supported by Linux.
Obviously you will also need at least one device to scan for, and the more the better. If you want to take a walk through your mall while running it and seeing what you found, I would be ecstatic. A word of warning, I am not a very good C programmer and I have no doubt that there are mistakes in the code and improvements that could be made. You can download the source and get a little more specific information about it from: [URL].
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Aug 14, 2010
I have an issue with Skype video similar to this thread [URL] where the test video doesn't work and I only see a white screen from my own webcam. The receivers can see my video and I can see their video, however. Video from my webcam works fine in Cheese and Guvcview. It seemed to start after I loaded the Compiz-config-settings-manager in an effort to fix video tearing (didn't work). Also Kdenlive now crashes every time I try to run a clip, but it was working great before. Even if I remove CompizConfig I still have the problem.
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Jun 17, 2011
I have a Logitech ClearChat Stereo headset, and can hear music playing with the headset connected to the PC speakers (external Logitech). Have setup Empathy to be able to talk to someone using Google Talk. It seems to have been setup correctly, as I can see 2 contacts in the offline list. I don't have PulseAudio installed (I think ??), and can see only System | Preferences | Sound , which doesn't show me much. Here are the settings at present (inboard audio card) ..
Code:
:~$ sudo aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC1200 Analog [ALC1200 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0 .....
How can I test that the microphone is working correctly?
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Aug 25, 2010
Dell Mini 9 Netbook with Windows XP OS died. It has a 16GB SSD. I was in the middle of installing HP printer software when it shutdown unexpectedly. Then upon turning it back on it says something about a media test failure, check cable and then Operating System Not Found. I've been able to boot using Damn Small Linux using an external cd drive.
When I type 'fdisk -l' I get:
Disk /dev/hda: 15.4 GB, 15408046080 bytes
255 heads, 63 sectors/track, 1873 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/hda doesn't contain a valid partition table
My wife has lots of pictures on the drive that she would like so I took it to a couple data recovery places and they were charging anywhere from $1000 just for jpegs up to $2600 for all files retrieved. That's more than I can budget for this. So my wife accepted the fact that the pictures are gone, but I figured I might as well try what I can because we have nothing more to lose.
I thought I'd try to get a hard drive cubby and attach it through USB to a working PC, but apparently Dell's SSDs are proprietary and the design is not accommodated. I thought maybe just the partition table information got erased somehow, so I tried using gparted and it found nothing. Whenever I use cfdisk and create partitions, I quit cfdisk after writing and it still says there is no valid partition table. I have no other ideas as to what I can do.
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Jan 30, 2010
I was windering, if you are writing a C program, I don't think you are supposed to commit the .o files and executables. How can you test your program without making a copy outside the git working dir?
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Apr 9, 2011
My Internet videos and sounds work, but when i went into call skype test, they said my microphone was not working. I also tried to test my video and that is not working as well. So I believe my microphone/webcam is not installed properly. How do I check if its installed at all? How do I test it?
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Jan 14, 2010
I've a issue on Skype 2.1 beta, my Ubuntu version is Karmic Koala. Well, my camera works perfectly in guvcview and in skype test (I already modified config.xml in my user dir to have 640x480, my cam is Ricoh r5870). OK, as soon as I start my video or I get itautomatically started it goes 320x240 and very bad. I turn it off during the call and I restart it: it works perfectly. Could I solve this issue by telling skype to open the video "just like if it were the second time" ?
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Apr 8, 2009
I have installed Postfix + Amavisd-new, then I am started all services (and configured main.cf and master.cf to use amavis).
The questions are:
1) I am trying to test antivirus scan using eicar test virus
Code:
And the message is successfully delivered to mailbox with mark "CLEAN" in maillog. But I cant see any attachment using
Code:
Where is my mistake?
2) Should I update clam and how I can do it?
3) Is spamassassin enabled by default in amavis (I have started daemon)?
4) Where configuration files of spamassassin is stored?
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Mar 15, 2010
I am trying to install mysql 5.1.44..so i downloaded the binary package, i extracted it and then followed the instructions that were in the manual but i keep getting this error when running this command
Code:
scripts/mysql_install_db --basedir=/home/mosty/mysql
the error is
Code:
Installing MySQL system tables...
100315 20:07:27 [Warning] Can't create test file /var/lib/mysql/mosty.lower-test
100315 20:07:27 [Warning] Can't create test file /var/lib/mysql/mosty.lower-test
[code]....
You can try to start the mysqld daemon with:
shell> /home/mosty/mysql/bin/mysqld --skip-grant &
and use the command line tool /home/mosty/mysql/bin/mysql to connect to the mysql database and look at the grant tables:
shell> /home/mosty/mysql/bin/mysql -u root mysql
mysql> show tables
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Mar 26, 2011
I have created mobility of 20 nodes and vbr traffic using following attached script I executed the file as ns234 vbr.tcl I got the vbr.tr and vbr.nam but I was unable to load the graph using matlab <trgraph> I thought problem with is vbr.tcl script.
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Nov 1, 2010
I have a script running from a hotkey,it tries to do this:
Code:
DISPLAY=:0.0; notify-send "hi there"
this worked okay in Lucid (Ubuntu 10.04), but doesn't work in Maverick 10.10 I have also tried:
Code:
DISPLAY=:0 notify-send "hi there"
to no avail.
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Feb 8, 2011
I'm running OpenSUSE11.3 64bits with KDE 4.4.4 (release 3). Is it safe to upgrade to KDE4.6? Is KDE 4.5 better/more stable than 4.6? Why is both 4.5 and 4.6 developed? Why not go for one version?
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May 25, 2010
I've never really had a problem with ubuntu 9.4 and 9.10.In 9.10 I even used KDE 4 and even that went quite well (for being KDE 4). I have never had a freeze or crash in Ubuntu 9.4 and 9.10, and had been using those for 9 months or so. But ever since I upgraded to 10.4, many things went wrong. I think it's less than a month ago since I upgraded. Remember that I've never had freezes or crashes in 9.4 and 9.10.
Now so far I've had:
-2 times suddenly the mouse lags and I have to reboot
-1 time the screen went black and I had to reboot
-1 time KDE4 was acting strange, constantly giving messages about that it was going to disable composite rendering due to being slow. Yes, the system was slow indeed. Had to reboot.
-less stable KDE4.4 than the KDE4.3 of ubuntu 9.10: the new KDE4 version did more weird things like moving around icons when never asked for and being generally unstable
-many, very many, problems and obvious slowness due to nepomuk and virtuoso-t
-I installed KDE 3.5 after the KDE4 problems above happened. But in KDE 3.5 I've ALSO had mouse lag (after pressing "ok" on a window about installing updates).
-I use this OS mainly for Java development. The upgrade to Ubuntu 10.4 ruined all JDK 1.6 related packages and provided no easy way to install them, so I had to do it manually.
With Ubuntu 9.10, working productively went much better than with 10.4.I mean, ever since Windows 98, I've never seen anything as unstable as KDE4.4 on Ubuntu 10.4! I mean it, with what I've encountered, this comparison is really fair imho.Did anyone else experience that Ubuntu 10.4 is less stable than 9.X, or am I the only one?
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Feb 10, 2011
How to know how much stable an OS is? I mean is there any specific measurement or testing method exists?
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Feb 28, 2011
Now that we are on Debian 6 it seems that Quanta Plus is not yet available because of it not running with KDE 4 ....?
I have blocked my main work horse on 5 that is ok, but I have upgraded my laptop to stable its nice and fast and very much more multimedia
But no quanta, I can use kate and have tried a bunch of other editors none manage projects like and are complete as Quanta I am totaly addicted to it!
I have tried having lenny and squeeze together in the source list but I get BIG dependencies problem and fear stability isuues as I am not sure what I am doing
I had an Idea of putting an Ubuntu 10.10 source in there as it works on that, any body tried this ?
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Jul 7, 2011
I currently have squeeze installed and was wondering how I upgrade to stable 6.0.1, 6.0.2 etc.Would I be correct in doing apt-get update then apt-get upgrade?
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Aug 10, 2011
When I open an .mkv video file with SMplayer or VLC in Debian Stable, there is no sound, only the motion pictures, and VLC returns an error about alsa. But mkv files play normally, with sound, in VLC and MPlayer on Debian Testing. How can I get the sound from .mkv to work in Stable as well ?
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Jul 20, 2010
I want to stay in KDE 4.4.5 for a while, while KDE 4.5 gets stable. But now the factory repo. is moving to 4.5, and the stable repo. stayed in 4.4.4., so now no repo has 4.4.5.
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Mar 31, 2010
If I install Lucid Lynx Beta 1, can I go onto Beta 2 and then the stable version just by installing regular updates the whole time
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Nov 10, 2010
Why does update manager doesn't tell me that ubuntu 10.10 is out? I'm running 10.04.1 LTS. I have to do alt-F2 "update-manager -d" in order to see the 10.10 message even if ubuntu is config to notice me of normal releases.And then just before the update begins, the official readme says that 10.10 is (at the moment) a RELEASE CANDIDATE version. Just an old not-updated readme?Why does Ubuntu official home page annunces 10.10 as a stable version?
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Apr 30, 2011
I used firefox 4 before I installed ubuntu onto my laptop, and since I didn't know how to upgrade to FF4 under ubuntu, I just installed google chrome instead.
Sometimes ..... videos crash when I go to a different tab and listen to it, and I've been wondering which is the best and most stable browser to use? Firefox sounds like a good deal, but I've gotten used to FF4's interface and would like to know how to upgrade
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Mar 24, 2010
i know this but its been a while and i don't do linux full time so i forget stuff like this. how do you tell if the software is stable? Example myapp.x.y.z is it when y is an even number it's stable?
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Apr 13, 2011
I recently installed Slackware-13.37-RCpi on a production machine. In view of the many changes since then, will the upgrade to 13.37-stable, when it comes to the world, be as easy as syncing the local mirror with slackpkg and re-running lilo? What worries me is that there were changes of the kernel and the headers and I am afraid there might be some pitfalls associated with that. Will I need to recompile the packages I compiled and installed on the stock 13.37-RCpi?
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