Ubuntu :: Use Server To Compile And Run Heavy Things And Control It With Another Machine
Mar 20, 2011
Can I run/compile programs on my remote server and control it using LAN? How do I do it?
Long Version:
I have a spare computer here. It's rather powerful for my daily needs (Athlon X2 6000) and I want to set it as my HTPC/Server. Don't worry about HTPC, it got Digital Audio output and a Radeon HD3200 with HDMI out, outputs 1080p pretty well under Windows (I'll setup it for Ubuntu when I get everything straight). So, I thought "Well, I think it's going to be overkill to let such machine as a HTPC only. I'll use it as a server too!". So far so good, but I don't know anything about servers or such. I would like it, as a server, to compile huge programs and handle big compressions (I'm actually with a Celeron ULV 1.2GHz netbook for such tasks, takes ages). Also, it would be pretty nice if I could control the server with my netbook. Like, Start/Stop music/movies with my netbook, control the Boxee/XBMC (Media Players) with the netbook, and, if possible, control its mouse.
Btw, will Ubuntu 10.10 support Hardware Acceleration for ATI Radeon HD3200? Over Windows' DXVA it works OK.
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Jul 24, 2011
As per the title, the per application volume mixer has disappeared and I can no longer unmute things i have previously muted.
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Jul 31, 2010
I have several (say, 50) machines running ubuntu.I want them to be centrally controlled.That is, each machine should get permit from central machine before installing any software etc.I googled quite a lot but could not find the solution...
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Sep 21, 2010
So now I've got my iMac G3 running nicely I was wondering how I go about running a burn in test so that I can see if I can improve the cooling in places by manipulating airflow, I have a thermal cam but I want the machine running maxed out in order to see where things can be improved.CPUBurn in the repos isn't coded for PPC, only x86 x86_64.
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May 4, 2009
There is a tool appeared in repository called ktune; The purpose is to adjust some sysctl.conf settings to improve server speed on servers with heavy load. What is this tool for if one can achieve the same with the configuration file added to system startup? Or ktune is just such file?
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Jul 22, 2011
I'm working through some problems in a beginners programming book. The author mentions a formula for calculating the number of ways of picking out n things from a collection of m of them:
Code:
/ m m!
| | = -----------
n / n! (m-n)!
But he does not give a name for the formula. Does anyone happen to know what it is called? I need to do some related research.
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Jun 28, 2011
Does anybody have experience with linux tuning. I`m realy interesting about sysctl.conf tuning settings for batch(3d rendering, phisycs simulations, etc.) servers. Does anybody has an experience with linux tuning - I mean memory and CPU settings for heavy loaded systems. What kind of settings You have in Your clusters ? I`m working with Red Hat Enterprise 5 x86_64.
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Jun 19, 2011
I'm wondering if it's possible to control a TTY on a remote machine via SSH. I'm aware of ssh's -t option, but it doesn't seem to do what I want. Basically, I'm thinking in terms of VNC-like operation, where the remote user and local user see the same thing, only instead of a GUI, they both see TTY1 (or 2, or etc). Is that doable, or no?
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Nov 18, 2010
i have fedora 11(64 bit).i want to do the cross compilation for 32 bit arm processor.i install all required thing but any of the make command(make,make mrproper,defconfig) is not working.
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Feb 10, 2011
I am new to kernel development,and I have to compile a kernel with some specific features and then install it on some machines.The problem is that these machines are slow,and hence I want to compile them on a fast desktop once and then install them on the machines.I am following this guide from Ubuntu wiki.
So what I plan to do is, download the source and generate a config file on one of the slow machines, copy both to the faster machine, generate the image on the faster machine and then install it on all the slow machines. The slow machines are almost identical (same cards, processors, OS etc.) but different from the fast machine(different OS and processor). So will this work or not?
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Apr 8, 2010
Command to compile n execute a Fortran program on a Linux machine
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Jan 7, 2010
i'm currently using the gnu compiler "gfortran" , but i don't think the executable files it creates are compatible with windows XP (though i may be mistaken). my boss needs a few simple programs that i have written, but i will not be able to compile the code on his pc. are there any compilers out there that i can use to create such executables?
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Jun 7, 2011
how to regain some type of display. I was trying to get a printer online. The printer was recognized but would not print. I went away from the machine for a few hours and when I came back I had a blank screen. I turned the machine off but nothing comes back up. All key strokes fail to give me anything.
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Aug 19, 2010
A server is described as being "really slow". What are the first couple of things you would check?
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Apr 9, 2010
I need to access a Windows Server 2000 machine using a Linux machine via KDE, but that will migrate to Gnome. The Linux user to connect to Windows machine, you should open an application 'XYZ' automatically, and only this, denying any unauthorized access. When you close the application 'XYZ' communications (RDP?) Should be terminated. Do I need a log of accesses and possible attempts to circumvent the system and access other application.
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Aug 28, 2010
I think I put this in the wrong place
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Oct 31, 2010
I'm running Ubuntu 10.10 on an Acer Aspire 5530G. On a fresh install, the HDD is silent after logging in and the desktop is immediately ready for use. A few days and updates later, after every login, there's heavy HDD activity that lasts about 20/30 seconds and makes it almost impossible to perform any other task. The entire desktop is visible during said event.
Not a big issue, however it bothers me a little. I've observed this behavior since Ubuntu 9.10. Anyone else experiencing similar problem?
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May 26, 2011
It always seems to me that Mac programs use far more resources compared to gnu/linux and windows. for example the mac version of Firefox is 27MBs while the windows version is only 12. Also system requirements for programs often require far more ram for mac than they do for linux of windows. Is this just because they are poorly written? obviously, the mac version of firefox is just as good as the windows version. but if it's heavier, and does the same stuff, then it's worse, right? This probably has something to do with stupid formatting stuff.
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Jun 5, 2011
so I've scoured the web and I can't seem to find anyone else having this issue. The issue:
Whenever my box is heavily using the internet, it seems to just wimp out. It shuts off and reboots.
When it's happened:I first deduced the connection to the network connection when I was trying to set up the system. When I tried an upgrade after the first time I installed the system, it crashed, leaving me with broken packages and all kinds of mess. So I decided to start over, and since I then had the network set up, I used the install latest version feature in the installer. If failed again. I battled issue this a couple of times before I opted to do updates in chunks instead of all at once. Success. Then I tried to download an entire website. You see, I had bought the computer to use as a test server for work. I ran wget, I believe. After a lot of recursive downloading, it decided to take another unauthorized break.
Now, I've got a minecraft server running too. It's been working pretty nicely, until lately. I've got a cron job set up to backup the server files with dropbox. Bad, bad, bad. The computer started acting up again, shutting off and rebooting. I figured it was having a hard time uploading to dropbox while simultaneously serving up the game. I moved the cron job from hourly to daily, and haven't had issues all day. Great. Until late tonight. It did it again while we were playing. It's relentless. So I went through the whole process of assessing damage. Luckily no damage. Then I went ahead and ran the dropbox script that didn't get to run while I was performing diagnostics.
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Jun 21, 2011
iam trying to sync file server data into backup server machine by command- rsync -avu path/of/data ipaddress-of-backup-server:/path/where/to/save after running it ask for root password and manually it is successful.but i want to make it automatic.for that i also tried cronjob and also generated authentication key but iam not successful in login automatically..anybody know how to authenticate root to login for storing data in backup server.
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Mar 13, 2010
I installed openbox and pcman on my old desktop and was able take the desktop ram load from 275mb to 120mb. (openbox, pcman, kupfer, gnome-panel) I was so pleased with the increased headroom and performance that I wanted to do it on my macbook. Usually my macbook has as desktop ram load of about 350mb... which I find excessive as that is heavier than OS X. That's running gnome, nautilus, compiz, and gnome-do at startup.
I performed a similar procedure today to create the same setup on my laptop and... strangely, my ram usage on the desktop is still close to 300mb! I've brought up system monitor and added up the ram of all the processes it detected myself and it only added up to about 50mb. How is it that my desktop is still so heavy in a minimal environment?? (both machines are Karmic 9.10, by the way. The desktop is hardwired to the internet while my laptop uses Wicd)
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Jul 21, 2010
I'm looking for a browser than can handle heavy java usage. Firefox doesn't seem to be able to handle heavy usage anymore . Chromium does a decent job, but its just so different from Firefox I just can't get used to it. I have been trying to get used to chromium for over 2 weeks but can't because of the huge difference. So what other browsers can handle heavy java usage? On windows kmeleon was my go to browser to give you an idea of the browsers that I like.
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Oct 24, 2010
After first installing Fedora on my computer, I was having a problem with my programs hanging for about 10-20 seconds, and then starting working again. After a while I discovered that every time it happened, there where some disk activity, and when the disk activity stopped, the programs started working again. The problem also occurred, when I was copying large files. Then the programs would hang until the copy was finished.After some googling around I tried to change the scheduler for SDA from cfq ro deadline, which seemed to solve the problem.
However the problem still seems to occur, if I do something that requires heavy network activity. If I copy a large file from one computer to another or download something using Vuze, all programs becomes unusable until network activity stops again. have 2 computers, which both seems to have the same problem (AMD X2 3800+ and Intel Core I5 750). They are running Fedora 12 and 13 both 64 bit. Both are using Asus motherboards with onboard LAN
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Jun 23, 2010
I upgrade mi connection between my PC to my TV, from VGA to HDMI, now I can't watch heavy mkv files coz they jump during the playback, I cant watch MD content on ..... coz the video keeps loading from time to time even if the video is fully loaded,resuming, crappy - not fluid. I tried changing resolutions and refresh rate between 1280 x 720 and 1920 x 1080 but nothing. Do I need to change my video card to be able to see 1080p media at 1920 x 1080 res in my ubuntu?
description: Desktop Computer
product: MS-7280
vendor: MSI
version: 1.0
serial: To Be Filled By O.E.M.
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Oct 25, 2010
I just want to tell laptop users how they can protect their hdd from heavy load cycle count (spin up/down of the hdd) when using battery.If you are not sure then just type this command several times in interval of 1-2 minutes, and you will see how much the hdd head spins down, and up: Code: sudo smartctl --all /dev/sda | grep -i load_cycle.Change /dev/sda with appropriate hdd path for your pc.
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Oct 26, 2010
I have recently begun contributing to the Folding@Home distributed computing project. Due to oversights in the application's design and to process the most advantageous work units, I need to run this command line app through wine. The application is very CPU/RAM intensive, but it does not put much load on the hard drive. It is multi-threaded and uses up to 100% of all 6 cores in my machine. I run it with a "nice" level of 19 with hopes that it won't slow down my normal desktop use.
Here is the problem... when running this setup, my system will frequently freeze for a fraction of a second and then resume. With the more complicated work units, this can happen 1-2 times per minute. During the freeze, the mouse will stop moving, videos stop playing, music pauses, etc. The system is completely unresponsive. However, each instance only lasts for a very short time. Since this happens so often, my productivity is negatively impacted (and it's very annoying).
I previously ran the native Linux version of F@H without this problem, but that was also processing much less complicated calculations. I have tried with wine 1.2.1 and 1.3.5 with the same results. The application does not have problems running on Windows. It has been suggested that the current Linux CPU scheduler is to blame, but is there anything I can do to resolve this now or work around it?
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Jan 19, 2011
this is with both network manager and WICD, a problem i've had since i got ubuntu - multiple wipes and reinstalls the wifi is supported out of the box, the problem i've randomly run into since installing is, it will randomly stop detecting networks "no networks detected"
i've noticed over time as this as been happening, that it usually happens whenever there is a high load - multiple videos going on multiple tabs, videos queued up etc. its never happened during regular browsing - theres always a lot going on when it happens, almost like it collapses. the only way to fix this, is to quit the manager - shut off the computer (restarting doesnt work) and then it comes back after
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Feb 27, 2011
I use the Futura font as my application/desktop/titlebars font, and I think it looks beautiful. However, its bold version is much too dark for my liking and it really spoils the look of my desktop when it's used in applications (Nautilus' sidebar and Libre Office's menubar are the main offenders), and what I would much rather is if the system would use Futura's heavy weight option instead of bold, but after searching gconf and for configuration files I can't work out where or how I would do this.
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Jul 17, 2011
After I upgraded from kernel 2.6.32-31 to 2.6.32-32 and then 2.6.32-33, my sound started to lag(the lag occurred on 2.6.32-32 and stayed to 2.6.32-33, but it worked perfectly ever before). Sound does work in itself, but frequently lags and pieces that were already played before will be played again, pretty much like an old vinyl that occasionally jumps or hangs. When I start to replay something, it does not put out anything for a second or two and then starts, when I stop it will keep playing for the exact same amount of time. So, sound is synced to videos(video replay works perfectly well and without the lag). Problem is definitely related to the sound drivers, not to replay software or any buggy file. It occurs with DVDs, Flash Videos in Firefox, music in gmusicbrowser, movie files with VLC, whatever you want. I never experienced such problems with any kernel before. Although I've seen many others posting similar problems, I cannot see any valid solution for myself.
I'm running Ubuntu 10.04 and I sure don't want to go to 10.10 for the second.
I reinstalled Alsa and Pulse, no joy. My sound card is recognized correctly by alsa and can be found in aplay -l. It's a generic onboard surround sound device, although I only use stereo channels.
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Dec 9, 2010
I am trying to compile a MaNGOS Zero server. Everything was going smoothly until the installation instructions Code: ../configure --prefix=/home/youruser/mangoszero --ysconfdir=/home/youruser/mangoszero/etc --enable-cli --enable-ra --datadir=/home/youruser/mangoszero. It tells me that ./configure is not a directory or something around those words. I know that mangoszer is not relevant to Ubuntu but I am pretty sure ./configure should be.
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