I am a newbie user in Linux. I have installed a package were it has EMC2 software but when I run it shows parallel lines on the screen while running? What is the cause for it ? Should I reinstall ubuntu again? I had taken a screen shot and it will tell you what I really mean? This is the screenshot, [URL].
View 1 RepliesI like the way 10.04 lts is running on my old PC, except I can't seem to install my HP 895C. This printer worked on previous releases on Ubuntu. The printer is local and cabled to the PC's parallel port. But "Add" under printing doesn't show any parallel printers under local printers. Only shows serial port, other, and network printers. Is this because 10.04 is beta? "Troubleshooting printers" doesn't have a list of printers. Is the lpt1 in PC speak /dev/lp0 in Linux? Should that be the printer URI?
View 9 Replies View RelatedI have been experiencing a problem where the screen loads and after initial first few lines breaks up into multiple repetitions of lines. Reloading helps but has to be repeated when pageing down. Mail is no problem; it is supplied by my network provider. OS is openSUSE 11.2 which I update when advised. Below is a sample from the error console:
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I have a bash script with a line like this in it:
Code: mysqldump -uusername -ppassword --master-data=2 --single-transaction --quick --add-drop-table --add-drop-database somedatabase | gzip > ./somedatabase.sql.gz The problem is, I have about 16 databases I'm dumping like this, but it's dumping
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So, does putting in a & after a command work in a bash script at all? The thought was, if I want to run them in parallel, should I do this?
Code: #!/bin/bash
./scripts/dumpthis &
./scripts/dumpthat &
./scripts/dumpsomemore & Where "dumpthis" is just the first snippet of code above.
Does Debian 6 "Squeeze" automatically run boot processes in parallel if not how do I
configure it to do so. Here is the quote from my /etc/init.d/rc :
# Specify method used to enable concurrent init.d scripts.
# Valid options are 'none' and 'makefile'. Obsolete options
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I am trying to replicate what is happening on this page under the tcsh shell, but using the bash shell found in Wheezy. Here is the page I am referring to:[URL] The command I am trying to replicate is on page 6 under figure 2.4. The command is "prompt> ./mem &; ./mem &".
I would like to run the same program twice, concurrently, but do not know how. Note that I am not trying to use a bash script, but rather by simply using syntax on the command line.
I have a script which basically does many tasks and most of them can run in parallel. The server it runs on has 4 cores, so I changed parts of it to a makefile, and then run them with "make -j 4" which helps a lot. But looking at "top" while it runs, I see it could be improved. Sometimes tasks wait for other servers, so a higher -j value would help. And sometimes multiple tasks are waiting on the same disk, then I think a lower -j value would be better.
The kernel is fairly good at sharing CPU time among the cores, but resources like memory and disks are not shared very well. As an experiment, I tried compiling the kernel with "make -j" with no number. It didn't go very well.
So I wondered if anybody know of a better tool for things like this. I think it should be possible to write something that could change the -j value while it runs.For example:
- Start as many tasks in the background as there are cores. When tasks finish, start another one until done.
- After a little while, check CPU and memory usage to decide if more tasks could run in parallel. Or maybe less?
- If different tasks iowait a lot, check if they wait on the same disk. If so, renice/ionice/suspend some of them. In these situations I think it's better to have them run one after another.
- Other ideas?
I thought of making a script like that, but I doubt I'm the first one with that problem. Also, there are probably lots of things I haven't thought of.
On my new installation of 10.04 on a Toshiba A30, I'm trying to install EMC2, using an installer file downloaded from linuxcnc.org. At the end of the process, I get the error message below after trying to fix the broken package with package manager.
E:/var/cache/apt/archives/rtai-modules-2.6.32-122-rtai_3.8.1-linuxcnc1_i386.deb: trying to overwrite '/etc/udev/rules.d/99-rtai.rules', which is also in package rtai-modules-2.6.24-16-rtai 0
get past this problem ?
Is it as simple as removing the rtai-modules-2.6.24-16-rtai 0 package ? Do I need this one ? Is it replaced by the newer one, the rtai-modules-2.6.32-122-rtai_3.8.1 ?
you can see below my taskbar Imageshack - snapshot1dj.png I would like to make the different programs running and shown at taskabar firefox,Fslint, Thunderbird to have some borders around them,
This will make them appear more clear to me.
I just reinstalled Ubuntu Lucid Lynx and an old problem has come back. For some reason I couldn't fix it even in my previous installation. The problem is the top gnome panel. See the photo below: As you can see, the network icon is not shown properly while the Me menu is being shown twice. I can't even restart or log out or shut down at this situation without pressing the keystroke to turn the power off.
View 9 Replies View RelatedI've installed KDE 4 in Dream Studio 10.10, as I'd like to switch over to KDE 4 like I've done in my netbook. The problem I'm having is even with the user name selected with a password box displayed, there's no bar at the bottom of the screen in GDM. I prefer GDM instead of KDM because I like the fact that I can select a user even though I'm the only user, but I do like the behavior of Windows XP/Vista/7 (select a user, hit enter, enter the password, and hit enter to login, but that's not as close to how KDM works if there's only a single user in the system -- no big deal).how do I get the bar appear in the bottom of the screen after I select the user in GDM?
View 2 Replies View RelatedI have dual boot Windows/Ubuntu 9.10 and everything was running fine until recently when after booting to Ubuntu just showed me the system background image with mouse pointer and that was it - no login screen, nothing.
I tried swithing to console mode and logging in - it works fine, but swithing back to x just gives me the background image and the mouse pointer ( it is working though )
Does anyone know the name of the volume applet (package) shown in the screen shot? I want to remove it. I'm on 10.10 and it appears every time I switch sound output from the SoundMenu.
View 4 Replies View RelatedI have just installed Linux on a partition of my hard drive. Computer boots up and gives me the grub boot screen where I can choose from: ubuntu, some memory tests and windows recovery environment (loader). But no Windows Vista. When I boot the windows recovery option the windows boot loading screen comes up but then the screen turns blank but the hard drive is still working and the wifi light also comes on my keyboard. Ubuntu is working completely fine I just need to find a way of getting Grub to display Vista instead of the Recovery environment.
Here is my Boot Info Script: .....
I downloaded the live CD (KDE version) and moved it in a usb flash memory (using ImageWriter). When i restarted, the main menu was shown and i selected the first item (Start live cd. After a few seconds, a black screen was shown and then nothing happened.
View 8 Replies View RelatedEverything was going great, updated my nvidia drivers, did initial updates etc... And everything was awesome from the boot screen to the shutdown screen.Recently (today) I installed a few updates that update manager thought were essential. However after doing so, when I restarted my computer and got to what should have been the boot screen, it simply sat for a few seconds with a few horizontal RGB lines and then booted to the login window... I have done nothing else to the pc besides those updates.Also when I shutdown I get the same few RGB lines, they are in the top area of my monitor @ a 135 degree angle.
View 1 Replies View RelatedI have random lines near the top of the desktop, as seen in the image on the top right. The spotify app,under wine also shows the same lines that are quite annoying as they make it difficult to navigate.
View 6 Replies View RelatedLinux Ubuntu 9.10 (karmic), Nvidia g-force 5200, Intel(R) Pentium(R) 4 CPU 2.80GHz(old PC but i need learn Linux inside out b4 I go 100% Linux)But I have taken the time to the learn the basic cmds like man mv cp apt-get install etc. I cisco engineer but I want to get good with Linux distro's.I have a NVIDIA G-FORCE 5200 which according to NVIDIA'S website the 173.14.x.x driver is the correct one.I have tried diver 173.14xx. I installed it manually and restarted x server.
I have read the installation guides on this forum but to no avail.When I reboot Compiz cube features are working BUT my screen goes 640x350.I tried to edit the /etc/X11/ xorg. conf file but I cant see any screen resolutions lines. I tried changing NV to nvidia and visa versa. Still the screen is buggered.I installed compiz checker and ran it it said all ok. My text goes large the colours are jittery ? When I go to NVIDIA XSERVER SETTINGS i can not change the screen res ? It just stops from selecting the options? I also tried driver 185.18xx and the same results.I also tried installing the drivers with Envy NG and still no better.I now have installed 96.43.13 NVIDIA driver and my screen has went back to normal but I can not enable the cube effects. I take this means it has reverted back to the graphics card on the motherboard? I have also looked at xrandr -s <1014x768> cmd to manually change it and again no avail.
I am not sure if this is really a Ubuntu question but lets try it!Received email shows a long header which includes lines of code. I can scroll through it but I can't reduce the number of lines on screen.This significantly reduces the number of lines available for the message. There must be a way to reduce or eliminate this header.
View 2 Replies View RelatedI have noticed that there are some tiny white scanlines over the screen in linux, is this something known? specific graphics cards? just an issue with my setup?
Its hard to explain but its even horizontal scanlines, like small white lines over the screen, like every 3 line... was wondering if its my geforce 8800 or what it is?
I on my computer when my monitor had lines on it and my speakers made odd sounds. The computer is 10 years old. It started this 3 months ago.
Compaq deskpro EN
Pentium !!! processor 996mhz
20 GB hard drive
Ubuntu 11.04
Relisys CRT monitor
Intel video and sound cards
It gets worse when I put my phone close to the screen (Motorola Razr V3v).
I really don't know where I should ask this question. When I'm watching a video in full screen (ex, avi or h264 file) I am seeing random horizontal bars where there is action on the video like where a head is turning.When the motion is slow I am less likely to see these lines. Faster the motion, lots of lines or shaky motion. I was using my onboard Geforce 6150 GPU but thought it was because it was underpowered. I then bought a GT220 thinking that it was the problem. It is still but less frequent. Using the built in player, VLC... I don't know where to look, what to search for...There is my setup:
AMD Athlon II x2 255
4GB DDR3
nvidia GT220 512mb
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I've been away from Kubuntu for a while but came back when Kubuntu 11.04 was released because it's awesome. I have a newer laptop since then, a Latitude E6410 with Intel graphics and 8GB of RAM. Everything works great, except......Sometimes when I resume from suspend to RAM, the screen flickers with thin white lines across the screen. I can switch to a tty and reboot it from there, but I'm unable to use KDE until I reboot. A lot of times resuming from suspend works without issue, but sometimes this problem occurs. I haven't figured out exactly what triggers it. In fact, the most recent time it happened, I didn't even have an application open.
I would like to figure this out because I use suspend a lot. I rarely turn off my laptop unless an update requires me to. I prefer to be able to close my lid and resume whatever I was working on later, but with this glitch I cannot trust it to do that.
I have a very strange problem since I turned to kubuntu 10.4. Often, after some heavy working, my laptop works very slowly and suddenly when loading something, it locks and white lines turns all over the screen, just like curtains. Linux jumps out of KDE and logs in automatically. That's very anoying since all my work is lost and it turns back to the previously saved session.
Also, often when I boot, the load screen is also mmissed up with those white lines. The only thing I can do then is to reboot.
I tried to re-install kubuntu (in first instance, i upgraded in kpackage, then i re-installed with formatting the root en swap partitions).
I don't know how to solve it. Only thing that seems reasonable now is to downgrade, since i didn't have this problem on 9.10 (fyi: I have a dell inspiron 1501 with ATI Xpress 1150 256MB HyperMemory video card, formerly i had problems to have good graphic drivers for it on previeous versions of kubuntu (some 3d games didn't work), maybe this has someting to do with it?)
i just installed slackware 13.37 which worked fine but when i boot it up it runs a number of lines and then the screen just goes black... i can login as root blindly and start x (i THINK, judging from hdd led)... but screen stays black... its a laptop and closing/opening the lid doesnt work either...
i am dualbooting with slack 13.1 which runs fine... it switches screen res at some point during boot (font is smaller) and i would say that is the point where the screen goes black in 13.37...
I made an ubuntu live usb with a 2gb persistent casper rw using pendrive linux's portable installer. this works fine on most computers, but on my laptop, it boots just fine, but the screen is divided with little lines and overlaps slightly on the righr into the left(pic included). the laptop in question is an hp pavillion dv2000 special edition.
View 2 Replies View RelatedI just got the new kernel update (2.6.32-24-generic, according to "uname -r"), and I went to restart my computer as the system requested. When I selected the new kernel from the boot menu, the Ubuntu splash screen came up, and then it did this subtle alternating shades of purple horizontal line thing. Then a vertical line appeared towards the right of the screen, and then everything faded into this cloudy, bright white splotchy...thing.
The keyboard was still responsive, and hitting ctrl+alt+delete restarted the machine, at which point I tried to replicate the problem, but everything loaded normally this time. My questions are: What the heck happened? Why? Is it dangerous? Why or why not? My machine is a Dell Inspiron 1501, 2 GB RAM, 120 GB hard drive, ATI integrated graphics, AMD 64 Anthlon X2 processor. I'm dual booting with Windows 7 as I learn Linux.
I don't seem to have an "xorg.conf" file.
Gateway SB400a computer with Edubuntu Lucid installed. The problem first cropped up when I installed the Edubuntu packages on Ubuntu. I did a fresh install with Edubuntu and the problem persists. I don't want to go back to Ubuntu since this computer is for my Grandkids and I want to the Edubuntu stuff for them.
I don't have the specs handy, but I can get them. what I have to do to get them. (it happens when you get old)
EDIT: From my xorg.0.log: (--) PCI:*(0:0:2:0) 8086:2562:107b:4000 Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device rev 3, Mem @ 0xf0000000/134217728, 0xffa80000/524288
what would happen if aptitude needed to ask me a question, (like which config file to keep for a certian essential program, etc.). I don't think I've come across this problem yet, but I really wouldn't know. I do get the following lines on the screen with aptitude-gtk just about every day when I do squeeze updates and I wonder if it's not related to this same question. Does anyone know if aptitude-gtk is capable of asking you, the administrator, questions about a package that it's updating?
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What If I wanted to scan a string like the following...
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Anyhow just one giant string that's longer than my screen's width. If I simply copy and paste that string after a grep command, it seems that the terminal inserts newlines at the terminal's width and therefore not the whole string goes in. Even if I insert a quote before the beginning of the string and then paste it in, terminal still reads in a newlines somehow and obviously says command not found, etc.