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0answers
81 views

Netflix (Pipelight) Low Frame Rate With RT-Preempt Patch

Running Ubuntu 13.10 stock, I was getting horrible "jitter" across the entire OS. Meaning that, videos would not play smoothly compared to a TV set, Compiz effects were not smooth, games were not ...
0
votes
1answer
57 views

VisualBoyAdvance Battery Has Run Dry

I recently downloaded VBA and Pokemon Emerald. The game says "The Internal Battery has run dry" I've been told to go to Options>Emulator>Real Time Clock, but there is no clock! I have checked ...
0
votes
1answer
47 views

Multiple kernels choices realtime or no realtime

I have a dell latitude d510 currently running xubuntu 13.04 and linux 3.8. I want this machine to host JACK processes together with EDIROL UA-25 during a live session and therefore, it needs an RT ...
1
vote
1answer
109 views

What is the purpose of the RTAI package in Ubuntu

RTAI (Realtime Application Interface) is a Linux kernel patch, that exposes an API to userland processes, which can be used to create very low latency and jitter programs for realtime tasks. I've ...
0
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1answer
212 views

Ubuntu can be used as Hard Real time OS? [duplicate]

I want OS for Beagleboard which can support HARD REAL TIME OS Feature. is Ubuntu HARD Real time OS ?
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0answers
49 views

How to uninstall real time kernel packages and revert to original -generic kernel

I have followed the steps given in How can I install a realtime kernel? and installed linux kernel 3.18.3. Now I want to revert back to original generic linux kernel version. Can anyone show me steps ...
2
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0answers
321 views

How do I install a real-time kernel with a patch I need to apply?

I have ubuntu 12.04 with kernel 3.5. I have to install the RT_PREEMPT patch and I followed these steps: sudo apt-get install kernel-package fakeroot build-essential libncurses5-dev mkdir -p ...
1
vote
0answers
69 views

how to update dolphin file manager in real time

If I have dolphin open and I'm working in the terminal or on Windows files might be moved or added. How would I go about to make sure it updates the status of a directory of real time? Presently I ...
1
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0answers
30 views

how i can boot RT-lunix

Under UBUNTU 12.10, I just load the linux-rt kernel The installation seems to be uneventful. Only now, at the start, nothing new, it directly boot on my current system without offering me bios menu. ...
3
votes
2answers
112 views

Is it possible to direct system monitor output to a file?

I want to save to a text file the CPU and memory usage real-time info displayed in Gnome System Monitor 3.6. Does anybody know if this is possible? If so, how can it be done? If it's not possible with ...
36
votes
8answers
71k views

How to force a clock update using ntp?

I am running Ubuntu on an ARM based embedded system that lacks a battery backed RTC. The wake-up time is somewhere during 1970. Thus, I use the NTP service to update the time to the current time. I ...
0
votes
1answer
417 views

Automatically mirror a directory in Ubuntu

Running Ubuntu 12.04 I have a library of personal files and documents stored in Dropbox. I want the Dropbox folder to be automatically mirrored to a directory in the local machine, as a backup to the ...
1
vote
1answer
237 views

How to see real time updates of file system at terminal?

I am studying git and how it works with file system. I installed application called terminator, which allows me to open multiple terminals. I want to run git commands at the left terminal and want to ...
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2answers
1k views

12.04 Ubuntu studio PREEMPT_RT kernel options

My audio processing needs require a preempt_rt kernel. I roughly followed the guide: https://wiki.ubuntu.com/KernelTeam/GitKernelBuild with a little help from: ...
3
votes
4answers
2k views

Twitter client with Real Time Notifications?

Is there a Twitter client (or just a utility) that pushes real time twitter feed / mentions notifications? By real time i mean notified as soon as the tweet is posted, like what MetroTwit does in ...
-2
votes
1answer
330 views

How to install backported programms?

How to get backported kernel and nautilus? im on 10.04 i want fixes witch are made in 12.04 how to get them? im beeing told about installing backported kernel. On 10.04 i have some bugs witch been ...
1
vote
3answers
172 views

What can I do about the fglrx driver interfering with jackd?

The jack-audio-connection-kit needs to run in realtime mode and my system is configured accordingly. I'm using the fglxr driver. With Unity-2d everything is fine. With Unity-3d, jack-clients ...
7
votes
1answer
4k views

Using the RandR-enabled nvidia 302.xx beta driver in 12.04 with a realtime kernel

How can I use the recent beta of the 302 version of the nvidia driver (which finally supports the RandR extension!) with a realtime kernel in Precise? This question contains information on enabling ...
20
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4answers
30k views

How can I install a realtime kernel?

I have read a lot of threads with similar questions, but after reading the answers, I am very confused. I have found in them lots of url's with repositories but people discusses about which ...
1
vote
1answer
578 views

Is RTLinux the same as linux-rt?

I'm trying to install a hard realtime kernel in Lucid for some robotics work. My preference is RTLinux (http://rtlinuxfree.com) by Wind River Systems. I also see that there is a package by the name ...
1
vote
1answer
969 views

Can I install rtlinux?

How do I install rtlinux in Ubuntu? If I get it to install will it make software work abnormally?
3
votes
2answers
2k views

Can it be harmful to grant jackd realtime priority?

I am apt-get installing Ardour, a sound mixing program, just to try it out. Installing Ardour also installs JACK, a dependency. As part of the JACK installation script, I get the following dialog: ...
2
votes
1answer
445 views

Realtime kernel running as virtual machine

I read that using a Linux kernel (Ubuntu rt kernel) was able to increase the response time of a Java application by 4x. My only problem is that I must run a program that only has a Windows ...
3
votes
1answer
784 views

Reducing audio delay from redirecting input to output

I tried using the solution presented in a related question for redirecting my audio input to my output, but the problem is that there's a very noticeable lag. It's especially obvious to me because I ...
3
votes
2answers
1k views

Why to use ordinary kernel if there's realtime one?

What are benefits of an ordinary Ubuntu kernel compared to realtime one? What are realtime kernel's tradeoffs?
7
votes
4answers
6k views

How to install realtime kernel?

Axel wrote: "try using the a realtime kernel, it's more responsive and the apps "seems to hang less"". How to do this?
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2answers
305 views

How to set up video and audio players to use realtime (or close) priority?

I use raw mplayer to play video, DeaDBeeF to play audio and Skype for VoIP. Heavy CPU-consuming processes (like rendering a website in Firefox, redrawing a Java IDE window or compilation) cause ...