Ubuntu :: Smallest Unit Of Working OS?
Jul 6, 2011
I'm wondering what the least err unit/ units are for a working Linux. For instance. Is a kernel + a window manager enough? Then let's say you install one app on top of that - now you have one app you can use, right? But is that right (kernel + window manager)? Do you even need a window manager for a functioning system? Do you need more than the window manager?I'm asking because I'm fixing to build something from the ground up but it isn't a regular Linux thing and I want to approach if from the direction of adding just what I need not taking away what I don't.
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Aug 21, 2010
what I mean is which one has the least minimum requirements?I have a friend that has an older acer laptop and he says its running very slow. he's running windows XP , but he only has 256MB of RAM as far as I know , XP requires a minimum of 1GB RAM to run smoothly and this is what I've told him.I've been looking around for some DDR RAM for him but its still kinda expensive. $20-30 and he'd probably do it , but some of the prices I've been seeing makes me think its not worth it. might as well just buy a newer laptop instead.
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Aug 23, 2010
I'd like to create the smallest-possible installation of Ubuntu 10.04 Server x64 as a VirtualBox OSE VM. I want to run just one service -- a Bitcoin client. The standard installation is about 800 MB. By whatever approach, what's the smallest possible installation? I find various procedures for removing unnecessary packages. However, I suspect that there's a simpler approach that I'm missing. By simpler, BTW, I don't mean compiling it myself. That's far above my current comfort level.
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Jun 23, 2011
I'd like to have a virtual system for one purpose only.I need preferably chromium browser (or Firefox) installed with java run time so that I can have jre running in chromium.What are the simplest (less resource hungry) distros you can recommend?
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Feb 7, 2011
today i found out that my bind9 on debian 5 suddenly failed and it also consumed 100mb of RAM at most times.
nameserver daemon with smaller memory footprint to replace bind9.
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Feb 23, 2010
OK I need a Linux OS that will have as small memory foot print as possible to host VMware. I thought about DSL or Puppy Linux but they aren't exactly know for running server class stuff.
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May 3, 2011
When I was using Ubunutu 10, I updated the ATI drivers from their web site and the installation failed. There is no uninstall for it that actually works. So, very annoyed, I switched to the VESA driver by editing xorg.conf as shown below.
I just upgraded from Ubuntu 10 to 11.04 and when it booted up it told me that I do not have hardware to run the Unity desktop. Even on a restart the login menu shows the selected desktop as "Ubuntu" (no classic or anything though my desktop looks just like it did in Ubuntu 10).
After upgrading to Ubuntu 11 it seems to have switched to a proprietary ATI graphics driver which actually seems to work very well. Except, no Unity desktop.
If I click System, Administration, Additional drivers it shows one driver and says that it is enabled and in use. The driver is "ATI/AMD proprietary FGLRX graphics driver" and in the description it says "3D-accelerated proprietary graphics driver for ATI cards".
Is there a way to explicitly turn on Unity or ask it why it doesnt want to run?
lspci | grep VGA
01:00.0 VGA compatible controller: ATI Technologies Inc Redwood [Radeon HD 5670]
$ /usr/lib/nux/unity_support_test -p
Segmentation fault
I do not really care which driver I use. I have been told there is a new driver included in Ubuntu 11 that supports my video card. Is that the driver I listed above or is thee another that I can activate somehow. What shall I do? I just want Unity to work.
Try disable this driver? Will it automatically pick up some default? Do I have to delete or do something to xorg.conf as well?
Is there a way to tell Ubuntu "forget whatever video card driver or configuration is in place and go back to the default for a new install"? I have tried "dpkg-reconfigure xserver-xorg" but all it does is ask for a password and then does nothing. Everyone says to run this buts its never done anything for me.
/etc/X11$ cat xorg.conf
Section "Device"
Identifier"Configured Video Device"
Driver"vesa"
[Code]....
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Nov 24, 2009
I have searched the web for a http unit testing library written in C or C++, to no avail. Does such a library exist?
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Jan 15, 2011
Does anyone had any experience with fanless, low-powered power supply units (PSUs)like PicoPSU? Please share your experience.
I am also interested to hear about experience concerning the fanless cooling solutions and/or power-scaling for low-end CPUs like Intel's Atom, AMD's Neo or Via's Nano.
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Mar 24, 2010
My daughter from New Zealand gave me her Acer Aspire 4315 Laptop/Notebook Linux System in December 2009 so that I could use it in bed on days that I was unable to get out to use my main computer as I am a very ill man. I was able to log into the unit as she just said to me to use her name and password to. I have been able to use the unit on the internet at home and my other daughters home through a home wireless system. I clicked on the Upgrade Icon which it did, I think it went from a 7. something to 8.something All the way through the set up it asked me questions and I just clicked yes thinking that was what I had to do. My problem now is, that when I turn the unit on it asks me for a username and password. I put the details my daughter gave me but it tells me invalid user and password. All I do know is that a friend of my daughter installed the Ubuntu Program onto the Laptop/Notebook. Can anyone tell me how or what I have to do now to be able to use the unit again as I am getting very frustrated with the whole thing. I am not used to using Ubuntu and am totally lost with it as I have always been a Microsoft user.
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Jun 16, 2010
We're seeing NFS hangs with a Fedora 13 client to a Thecus N7700 NAS unit. /etc/fstab entry for the mount is pure default. Sometimes, the hang ups freeze the Fedora client and it has to be power-cycled to reboot it.
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Oct 1, 2010
Need reasons why the unit of cache swapping is called a line rather than a page ?
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May 3, 2010
I have installed on my computer Solaris10 (64bit version), PCBSD8 (64bit) on 2 primary partitions and 7 Linux distributions (Redhat,Debian,OpenSuse,Fedora,LinuxMint,Slackware,Ubuntu) on the extended partition. I know this might be a stupid question, but here it goes: I have a problem with my actual power supply unit (the fan doesn't work as it should) and I will change it soon. Is there a problem with any of the Linux distributions if I change my power supply unit? I mean, will the Linux operating systems work properly with a new power supply unit or do I have to reinstall all Linux distributions?
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Jul 19, 2011
I'm working on program that is going through setting different baud rates onto a config file. After I set a new value i want to check if it's the correct one by reading from the serial port on the server unit. I know what to expect if it's the correct baud rate so that's no problem, but searching through the internett i've yet to find a compact solution to my problem.
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Mar 31, 2010
I want to ensure I have done all I can to configure a system's disks for serious database use. The three areas I know of (any others?) to be concerned about are: I/O size: The database engine and disk's native size should either match, or the database's native I/O size should be a multiple of the disk's native I/O size. DMA: Disks that are capable of Direct Memory Access (eg. IDE) should be configured for it.
Write-caching: When a disk says it has written data persistently, it must be so! No keeping it in cache and lying about it.
I have been looking for information on how to ensure these are so for CentOS and Ubuntu, but can't seem to find anything at all. I want to be able to check these things and change them if needed. The actual hardware involved is very modest. The point is to get the most out of what hardware we do have, even though it's "not very serious hardware" from a broader perspective.
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Sep 11, 2010
I am looking for tools for static/dynamic code analysis for embedded Linux system development (both device driver and user space apps) with ARM-based processor. We use Eclipse IDE and C++ lanuage for development. Does anybody have recommendation for tools to analyze code complexity? The tools is better to support McCabe complexity metric, however, we may also consider others. Does anybody have recommendation for unit testing?
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Aug 20, 2011
hi, first i'd like to say that i'm totally new to linux, i was allways using windows.
as i was allways unable to install a good and stable ssh-server on windows, i thought it is time to change to linux. i was able to set up and configure a ssh-server on debian but found out, that fedora 15 looks more userfriendly in first place for me. but now i unfortunately experience problems..
the ssh server was already installed, i changed the service setting to that it starts automatically but after i succesfully connected to the LAN, i cannot access the shh via putty for instance. when i type "service sshd status" it says beside other things: active (running). but when i look at the /var/log/messages, it says those two lines:
sshd.service: main process exited, code=exited, status=255
Unit sshd.service entered failed state.
i searched on google without success, the only thing i found was that someone had the same problem with a bad sshd_config file, but i'm pretty sure that everything is alright with my config-file (i checked it several times).
beside this i cant login on the gui, after the firefox update (??) it always says: a problem has occured and the system can't recover bla bla... so i can only use fedora right now commandline-based.. but with this problem i will deal later on...
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Feb 10, 2011
Does anyone know of a way to change the network charts unit of measure in Gkrellm from bytes/sec to bits/sec? I'm not finding any method to do so in the config options.
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Jun 11, 2011
I have a problem during BOOT. During BOOT Fedora seems to stop at the following line:
Code: [20.245743 systemd[1]: unit systemd-tmpfiles-setup service entered failed state for more than a minute... and then it resumes.
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Jul 13, 2011
When originally installing 11.04 I had problems getting my Ralink 5390 wireless card to work.
Today my computer froze completely and I had to turn it off via the power switch. When I turned it back on, wireless was no longer recognized! My iPod can connect to the network just fine, so it must be an Ubuntu problem. There are no problems with my ethernet connection either.
I researched this and found several threads about blocking and unblocking wireless devices using the rfkill command. Well, unfortunately for me the rfkill command doesn't work. When I type sudo rfkill list or sudo rfkill unblock all, nothing happens; it just returns me to my bash prompt. I even tried uninstalling and reinstalling rfkill...nothing.
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Jun 21, 2010
I have been looking around the forums searching for similar problems, it seems not only me had this problem. About a month ago I did a regular update via Upd Manager. The next day - no wired connection.Still managable, since the local library has wireless. Now that won't work either.Just after I upgraded from Jaunty, I accidentally removed NetwMngr from the top right corner of the screen, but that should not have anything to do with how the program works, right? I now cannot reach NM, if I run it from the terminal, nothing happens visibly.
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Sep 18, 2010
I installed it on a Dell Inspiron 531 with the GeForce 6150SE nForce 430 built in video card. From the recommend driver list I installed �NVIDIA accelerated graphics driver (version current) [Recommended
Well, turns out it should not have been recommended. I had restarted and all I got was a low res ubuntu logo and a boot right into a full screen terminal. Tried startx and got a no screens found, I look online for about an hour last night and decided to just reinstall, which takes a couple hours when installing all the packages.
I have done more research today and found to install the latest linux x64 driver from nVidias website, which I did, but it does not run. I followed some more instructions and it said to do a �sudo chmod +x <file>� which I did, and it starts to open and I get �You appear to be running an X server; please exit X before installing.�
I�m starting to get a little frustrated here, guess I�m just used to a lot of the ease of windows and assumed that something like installing a graphics card driver would be easy.
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Nov 17, 2010
I have a Dell Latitude D530 Laptop (500 GB HDD). Installed Windows XP and then Ubuntu 10.10 to do dual boot. everything works fine in Windows XP.In Ubuntu 10.10 I had issues connecting to Internet(Through Wirelss), I was able to rectify this issue by dsiable ipv6 from firefox about:config and setting true to network.dns.disableIPv6. After this I was able to connect to internet and browse websites from Firefox.But I am having Issues with Evolution Mail(Connection Timed Out) and Google Talk Client(Connection Timed Out).Empathy Internet Messaging gets connected fine.I was wondering if I will have to disable IPv6 System wide and hence I added the following lines to /etc/sysctl.conf
#disable ipv6
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
[code]....
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Jul 25, 2011
I had an Ubuntu Server 32 bit installation and everything was working fine. Now that I installed Ubuntu Server 64bit on a new drive in the same machine, the ethernet card is not working!! This is insane cause when I put the hard disk with the 32bit installation back and booting from it, the ethernet card is working without any problems but in the 64bits installation it is not shown at all using "ifconfig -a"
lspci output:
Quote:
02:00.0 Ethernet controller: Atheros Communications AR8151 v1.0 Gigabit Ethernet (rev c0)
How can I check which module is being loaded in the 32bits installation to try to load it manually in the 64 bits installation?
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Jan 19, 2011
I just installed the lamp stack and so far my default site is working. But a 2nd site I made is not working.I created the config file in /etc/apache2/sites-availableit reads:Quote:
<VirtualHost myip:80>
ServerAdmin webmaster@mydomain.com
ServerName mydomain.com
[code]....
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Mar 7, 2011
I have very interesting problem after ~10 PHP Fatal error, php 5(latest one) in apache2(latest one) in Ubuntu Server 10.10(with latest updates) just do not work. So if try any php page it's not working(user see white page), but HTML still work fine.What that can be? So only restart apache is help to back php. (we are running Wordpress blog 3.1)
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Apr 25, 2011
I had a problem with apache2 and getting .htaccess working. I have done some things and i believe its working the ErrorDocument command is anyway. I believe there may be some problems with the rewrites though.Im trying to take a urlhttp://localhost/showthread/123and make it display whats on http://localhost/index.php?showthread=123The rewrite rule is Quote:
Options +FollowSymLinks
RewriteEngine on
RewriteRule ^showthread/([^/.]+)/?$ index.php?showthread=$1 [L]
[code]....
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Apr 26, 2011
.m4a files not working in banshee but working in rhythmbox.
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Jul 18, 2011
I can connect to the internet with wired connection. The switch for the device is on but this command "sudo lshw -C network" has the following results:
#
[sudo] password for nn:
*-network
description: Network controller
product: BCM4312 802.11a/b/g
[Code]....
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Apr 23, 2010
I upgraded Samba to 3.5.2 to enable Windows 7 to log in to the PDC. ACL was working with the Samba 3.0.28a that came with 8.04LTS. After upgrade I can now log in to the domain with Win 7 but ACL permissions are not working on Win7, XP or anything. They still show on the server but any attempt to change permissions on the workstation fails with "Access is Denied" and only user/group/other permissions are doing anything. Anyone know what changes for the ACL were made between the two versions? I know they're working on switching to VFS modules but setting "vfs objects = acl_xattr"
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