Ubuntu :: No GUI Real Time Kernel?

Dec 29, 2010

Just installed a real time kernel on my new computer so I can record music. My problem is that I have no GUI. I noted that I would not when fglrx drivers could not be installed/applied to the new kernel when installing it.

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Ubuntu :: How To Use Real-time Kernel

Sep 9, 2010

if I want to use an rt kernel in ubuntu studio, how do i use the kernel? say for instance, Ubuntu studio is installed with generic kernel.then i download the rt kernel.

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Ubuntu Installation :: Get Real-time Kernel Support

Jan 20, 2010

I was wondering if there's a way for me to get real-time kernel support on regular Ubuntu 9.10 through some sort of update. I know Ubuntu Studio has a real-time kernel, but I'd prefer not to use it. I'm a fan of the original Ubuntu.

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Ubuntu :: Running Real Time Kernel With Lucid?

Sep 25, 2010

I have the latest release of Lucid Lynx installed. I want to try out audio recording on Linux so I want to know if it's possible to use a real time kernel with Lucid. So I installed the 2.6.31 real time kernel. It shows up in GRUB, but when I boot it gives me the message:

mounting none on /dev failed No such device

It then takes me to the login screen, and once I enter my password it just takes me back to the login.

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Ubuntu Installation :: GRUB Menu, And Can't Boot To The Real-time Kernel?

Mar 14, 2010

I'm a very new Linux user, so speak slowly and don't use big words. I installed Karmic from the Live CD. It is the only OS in use on this system. I then upgraded to Ubuntu Studio using the instructions found on the wiki.

On bootup, I get a brief message stating "GRUB loading" and then the system automatically boots to the generic kernel. No GRUB menu is ever displayed. I would like the option to boot to the real-time kernel, but I have no idea how to edit the appropriate files. I've done a fair amount of reading on the subject, but I find very little information relating directly to the real-time kernel, and so I still feel like I'm too green to do it without messing something up.

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Ubuntu :: Can't Get Newest Real Time Kernel To Show Up In Grub 2 (Karmic)?

Apr 26, 2010

I want to try out the realtime kernel to get my audio latency down. I have installed the realtime kernel packages according to the Ubuntu Studio preparation documentation here - I have also run sudo update-grubHowever, when I boot up, the realtime kernel option does not show up in grub2. The current kernel I am using is 2.6.31-17, but the only options in grub for it are -386 and -generic.

There is a previous entry of 2.6.31-9-rt which I had attempted to use previously (sometime last year) but if I select it, it doesn't even boot at all.I checked my /boot directory and there is no vmlinuz-2.6.31-17-rt file .... Which I am assuming is why it doesn't show up or add when I run update-grub ... But I am currently at a loss for how to actually get the 2.6.31-17 realtime kernel file and add it to grub2.

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General :: Install Xenomai On Real-time Kernel (With PREEMPT_RT)?

Sep 8, 2010

install Xenomai on real-time kernel (With PREEMPT_RT)?

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General :: Enhanced Real Time Clock Support - Missing Kernel Option

Jul 6, 2011

In regards to compiling a custom kernel:

When using make menuconfig - under Device Drivers --> Character Devices --> there should be an option with the label "Enhanced Real Time Clock Support" (CONFIG_JS_RTC).

The problem is that this option seems to only show up while using the menu method when other options are either enabled or disabled and I've entirely forgotten what should be what. I swear fingered it out once.

This is on an older computer (P4) so HPET is no good.

You would think that disabling the HPET option would enable the RTC option but that does not appear to be the case.

I understand I can just add the option to the .config file and avoid this hassle but I'm very interested to know how to make this work.

To show my appreciation I will do something nice for you such as call you a nice name or tell you that you are pretty (or ugly if that's what you prefer).

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Ubuntu Servers :: Setup Real-time (or Near Real-time) Folder Synchronization Among 2+ Servers

Mar 23, 2010

what the recommended way to set up real-time (or near real-time) folder synchronization among 2+ servers. I looked a rsync but that doesn't sound real-time and it looks like its something that you might put in a cron once an hour.

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CentOS 5 Server :: Time On Xen VM's Drifting Ahead Of Real Time?

Aug 4, 2009

I am hosting two Virtual Servers both running Centos 5.3 on a host machine also running the same OS. The VM software in use is Xen, as supplied with the OS.The host machine's time and date is fine, however both Virtual Servers are running ahead of real time consitantly.Running /etc/init.d/ntpd restart will resolve the issue however one of these is running MailScanner and when the time suddenly goes backwards, sometimes by as much as an hour, it stops working properly.

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Software :: Convert Unix Time To 'real' Time

Jan 28, 2010

I used the following command to get the unix time of root user creation:

Code:
awk -F":" '$1 == "root" {print $3}' /etc/shadow
How can i convert this into the date/time of creation?

I am writing a shell script, which determines the OS installation date among other stuff, and i am assuming the root user's account creation date should be a pretty accurate pointer. Are there reasons why i should not be assuming so?I would be open to other suggestion for getting this date/time, but it would nevertheless be interesting to convert the unix time to "real" time without doing complex manual(or otherwise) computation..

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Ubuntu :: Get Real-time Antivirus?

Oct 12, 2010

I'm new in UBUNTU and would like to get a real-time antivirus.Maybe it's not necessary, but I still want it (I've got an iMAC and have installed an antivirus... ) So, please... which antivirus is good and in real-time (I mean that, if I try to open an infected file or go to a bad website, it stops it). Is KLAMav good and in Real time?

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Ubuntu Multimedia :: Can't Set Real-time Priority

Dec 20, 2010

Running qjackctl as root allows me to run the audio in realtime so it seems to be a permissions problem and it seems to me that lubuntu does not read the /etc/security/limits.d/audio.conf file when I boot.

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Installation :: XFS - How To Use Real-time Subvolume

Feb 24, 2010

I created filesystem XFS on partition hda8 with subvolume real-time on partition hda5: Code: mkfs.xfs -r rtdev=/dev/hda5 /dev/hda8 and i mounted it: Code: mount -t xfs -o rtdev=/dev/hda5 /dev/hda8 /xfs But I don't know how can I use this partition hda5 with subvolume real-time. I don't know how to create directories, copy files to it and another. Thanks for all answers!

EDIT:in manual it is writen: The realtime section is used to store the data of realtime files.These files had an attribute bit set through xfsctl(3) after file creation, before any data was written to the file.

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General :: Real Time Processes ?

Dec 7, 2009

I've got the following problem:

1. I start two bash windows

2. In one of them I start a script test1:

Code:

This script puts a natural number 5 times a second.

3. Then in the second bash window I type (as root):

Code:

The script test2 looks as follows:

Code:

While true; do
true;
done

During the following 15 seconds test2 is the process with the highest real-time priority. As far as I know the script doesn't perform any system calls so it shouldn't be suspended even for a minimal timeslice. My question is: why the process test1 manages to put a few numbers on the screen before test2 stops. I thought that test2 would exclusivly own the processor for 15 seconds.

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General :: Find Real Time Log Name?

Jan 17, 2011

I have to write one Shell script where i have to find one word in current generated log.Log name has specific format like 'NAME_DDMMYY_HHMMSS'.log.Each time i have to go and check the word in newly generated log.How can i pass the newly generated log name in my Script?

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Server :: Is It Possible To Sync In Real Time Over Ftp?

Feb 1, 2010

I am currently using curlftps to mount a directory on a ftp server locally as /backup , I then use rsync to do an incremental backup to this directory every night and a full backup at the weekend.A requirement has arose for a similar set up but one that syncs in real time, so if a user puts a file in a directory it immediately copies that file to my ftp server, in this case it immediately copies it to /backup

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Software :: Real Time Programming ?

Mar 20, 2009

I want to start real time programming for linux(RTOS) so where I can get the basic of programming.I want to do it in C language..

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Programming :: Real-time Application ?

Sep 11, 2009

I seed a suggesting related asychron io. I'm write a program which use completion ports, but wandor how avoiding loops like for(; below...i.e I want parse proto with count in first and then computing some quantity of pieces. how that make with aio?

Code:

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Ubuntu Multimedia :: WTF - No Real-time Voice Changers?

Sep 17, 2010

why Linux doesn't have real-time voice changers? Or why the Windows version don't even works with wine?

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Networking :: Real Time Traffic Counter

Jul 6, 2010

I have a linux router box with ubuntu which routes internet for several people. There is no extra traffic shaping, so everybody can get the whole bandwidth when its free. What I would like to have is a real time traffic counter per ip, just like a program called "iptraf" but on a per-ip basis. Iptraf can only count on a per-connection basis and thus cannot display a bandwidth that a certain ip has taken (because a single ip can start several onnections). So a console program with text interface like iptraf would be perfect - does anybody know about such a program? After some googling I came to the conclusion that such a program does not exist (which must be wrong - i think that per-ip real time traffic flow information is the first thing every router owner would like to know).

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Networking :: Squid Real Time Monitoring

Feb 7, 2010

Is there any web-tool that provides real time squid users utilization and websites access.

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General :: How To Read File In Real Time

Jan 3, 2011

I have a log file that I would like to examine during some changes under process that writes to this log.
Is there some way to open this file and read in real time changes written to it ?

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Ubuntu Multimedia :: Real-time Video Transcoding For Streaming?

Aug 24, 2010

I've been interested in trying to figure out how to do some real-time transcoding to downsize video files on the fly and play them back on my android phone. I read the Mencoder and vlc documentations and am trying to figure out an open source method and i don't mind setting up an apache server and writing some code to get a web interface.

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Ubuntu Networking :: Graphical Bandwidth Real Time Monitor?

Dec 14, 2010

I come from a windows world where there's a magical tool called netlimiter that allows me to shape bandwidth and watch upload and download traffic: And easily check stats: I wonder if there's such a beauty for linux?

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Ubuntu Multimedia :: Installing Real-time Kernal Into Lucid?

Feb 24, 2011

install the latest real-time kernal into my current Lucid 10.04 distro? I know I could download and use Ubuntu Studio, but 1.7Gb is too much for my monthly download allowance to handle, especially when all I need it for is to address the major latency issues I have with Audacity.

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Ubuntu Security :: Real Time Email Virus Scanning In Lucid?

Jun 14, 2010

I am building a PC that dual boots Kubuntu and Windows and want to share the email store. Therefore, I would like to have real time or on access scanning of emails in an antivirus program like Windows does. I am not running an email server, just a desktop using pop3 and eventually imap email.

In previous Debian versions ClamAV and Dazuko used to do this. However, I understand that this setup doesn't work in Lucid. I tried p3scan but that hasn't been updated since 2008, once I managed to install it, it failed to find clamd even though it was running. I understand that clamdrib no longer works for Thunderbird 3. Amavisd as a replacement for p3scan, but this seems to be for mail servers.

I would be really grateful if anyone could tell me how to get on access/real time virus scanning of pop3 and imap emails on a desktop running Lucid with either Thunderbird 3 or Kmail, without having to buy an antivirus program like Avast Or point me to an existing tutorial that I might have missed.

As an aside (don't want much do I?) does anyone know if Kmail can be setup to only download the headers like Thunderbird does?

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Ubuntu Multimedia :: Webcam Real-time Face Recognition Software?

Dec 5, 2010

i'm working on a project, and I need a Software that's capable of recognizing face in real-time (I'll try to explain this, since my English is not that good) By this I mean that while my webcam is on (Not recording, I want it to be like a Videochat, where the recorded Images don't save on the HDD) it can recognize faces. I'm not that good on Linux, but I believe it's the best OS for the project I'm working on, since it's much more free than Microsoft.

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Ubuntu :: Detect Removable Devices Attached At Real Time Using C Program

Mar 21, 2011

I want to devolep one "C/C++" program that will work as a daemon. My daemon will be running all the time, and whenever anybody attaches removable devices to machine on which my daemon is running, My daemon should catch that event and also should show me where that device has been mounted.

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OpenSUSE :: Having Real Time Antivirus On Suse Desktop?

Jul 5, 2010

First off i know that suse linux cant be infected by window based viruses and that as a whole reactive based technology such as anti virus wont be that effective as it is always dependent on the virus spreading first-but is there a way to have a real time antivirus scanner under linux? It would be nice to know if i file i opened had a nasty virus in it like the way it does in windows. I first came to think of this since the new opera browser has built in protection from avg. Ive tried opera but still prefer firefox with all the addons like noscript and adblockplus etc.

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