Fedora :: 15: Setup Gdm (multiple Screen)
Jul 24, 2011
I am just trying out Fedora for the first time (coming from Gentoo and later Ubuntu).
So far everything works fine, but I have one problem with the gnome display manager (gdm), which is responsible for the initial graphical login screen.
My graphics adapter (nvidia) has two dvi-outputs, and i use them both. One is my primary display, the other one is used for my projector (watching films etc).
When starting Fedora, unluckily, the gdm login screen is shown on the wrong output (the projector, which is only occasionally turned on). I'd like it to be shown on the primary display.
Now I learned that gdmsetup disappeared in this release of Fedora. How can I achieve this goal now? What I found out through research is that there is a config-file (/etc/gdm/custom.conf), which can be used to configure gdm. But I don't have a clue how to. I found the following official documentation: [URL].
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Feb 4, 2010
Im trying to setup multiple domU through the default bridge setup. I am able to access only one of them through the network at a time. If you ping one of the domU it works perfectly but you cannot ping any of the others until you stop pinging the one and even then it takes a bit before you can. Ive looked around for a while and seen similar problems but nothing ever seems quite the same. Im probably missing something really stupid. Or is this the way the bridge is supposed to behave? Do i need to use a routed virtual network?
[Code]....
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Feb 18, 2010
Is there any method to allow multiple users to login to the main server - something like is allowed in windows ?
I am aware of how to telnet/ssh into the machine, but there are some engineering programs which need to be run on the head node (for some display issue problems on the ssh windows), which locks up the head node for another user who might need to log into the machine for their own work.
where I can set it up to permit multiple users to work at the head node without logging off, and instead allow "switch user" or something of the kind ?
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Jul 25, 2011
I have an NVIDIA graphics card and use the proprietary Nvidia driver for Fedora (13).Usually when I connect another monitor/screen - I change the setup through the nvidia-settings GUI. However, I find this a little bit cumbersome, and would like to do it with a simple click on a button or something like that.Hence:Can I somehow change my screen configuration through a bash script.
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Jul 12, 2010
I am Currently attempting to set up a Dual Screen setup at my work but seem to be having some strange results. For some reason the O/S is only recognising one of the monitors, it knows exactly what the Make and model of the monitor is but doesnt appear to know that there is another monitor plugged in. It constantly says that there is 2 screens plugged in but lists the second screen as "CRT-0" even if no DVI cable is plugged into the second screen. This has really troubled me and has really got me thinking. I have set-up other Dual-screen setups with exactly the same hardware previously and it has worked fine? I am using a Lenovo A58 Tower with an Nvidia Quadro FX-380 Graphics card that I know is capable of dual Dual-link DVI output! With 2 x LG W3000-H Monitors running Fedora 12.
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Sep 4, 2010
I have a working two-monitor setup with an ATI HD4870 (Samsung 23" @ 1920x1080 and 20" @ 1600x900).I also have an nVidia 8600GT plugged into the secondary PCI-Express port that I use with a third monitor (17" @ 1280x1024) within Windows 7.I want this third monitor running in Linux as well. I have already tried installing the kmod-nvidia driver, but that screwed up my xorg.conf every boot, so I've reverted back to my old setup.What I'd ideally need is all three screens in a "big desktop" setup. My current xorg.conf is:
Code:
[craig@galileo ~]$ cat /etc/X11/xorg.conf
Section "ServerLayout"
Identifier "aticonfig Layout"
Screen 0 "aticonfig-Screen[0]-0" 0 0
[code]....
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Aug 4, 2010
I am searching for a way to run multiple commands at boot time using the gnu screen utility.
A solution could be:
But the result would be many sessions, each one with just one child. What I need is just one session with many children, one child per command.
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May 13, 2010
First off, let me say: I'm a long time Linux hobbyist and recently installed Fedora 12. I've been looking (some say "lurking") around these forums for a bit after I loaded it up and let me say: Leigh, You're an amazing young man! Keep up the great work! I've a question: I've just put together a hobby computer: Pentuim 4, with 1 Gig of RAM and a Nvidia Geforce5700LE. When I install Fedora from a fresh install, everything works great: nice screen resolution, good graphics, etc. but no 3d or acceleration, so I'm very limited on my programs.
So I decided I need to upgrade my Nvidia driver. I followed Leigh's Nvidia setup guide after installing Fedora 12 (all four steps!) everything seemed to go fine, but when I reboot, I quickly see the Nvidia splash screen, but the screen then goes blank. Well, not really blank, I can see what appears to be a kind of cross-hatch pattern, plus I can see what should be my mouse cursor on screen (it also is a square shaped pattern). I suspect it may be at a screen resolution that my monitor doesn't support. Once there, the computer pretty much doesn't do anything else. Usually I can break into the x driver loading and go to the command prompt, but this latest time I can't even do that.
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Jun 3, 2010
I was wondering when and/or how to get multiple screens setup and working in unison. Currently I have 3d rendering working but all of my screens work as separate desktops. They all have their own start menu and panel bar. I cannot move a window from screen to screen. I have to open a new window in that screen and then it is stuck on that screen and can not be move any where else. When is this going to be fixed because until it is unfortunately Micro Slop will still have my business. I am a power user and enjoy my 4 screens when they work in unison, not as individuals.
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Mar 27, 2010
I want to be able to install multiple operating systems on a disk setup with LVM. I am uncertain as to how to go about this.I read somewhere that you can do it, but that only one /boot partition should used for all systems(they are all linux).get going on this? Do I boot from an installation disk and follow that path some how...or is there some other method I should be following? And how do I use one boot partition for all OS's? I had a problem with this once before..so need to ask, especially with the LVM thrown in the mix.
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Jan 7, 2010
Running CentOS 5.4 x64. Have successfully bridged eth2 with br2 by following the instructions here: [URL]../Networking (under the RHEL section) Have been running several KVM VMs successfully via this bridge.
I am now trying to bridge additional interfaces by using the same routine. Each bridge is named to correspond with the ethX device its bridged with.
Example of ifcfg-eth0 script:
DEVICE=eth0
HWADDR=00:16:76:D6:C9:45
ONBOOT=yes
BRIDGE=br0
[Code]...
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Jun 14, 2010
I am trying out conky for the first time and rather enjoying it. I have a small frustration though. I have a dual head setup and would like to have identical conky's showing on both monitors. I have tried creating two .conkyrc's (.conkyrc1 & .conkyrc2) and then using:-
Code:
$ conky -c config1
$ conky -c config2
to launch them, this results in only one of the two conky's displaying. I did at first think that maybe they were on top of eachother, but one conkyrc is set bottom_left, the other bottom_right so they should not be right??
When I try to run them as above terminal shows:-
Code:
gregg@burt:~$ conky -c config1
Conky: invalid configuration file 'config1'
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: invalid num arg for top. Must be between 1 and 10.
Conky: forked to background, pid is 7017 .....
#NETWORK
${font Sans:size=9:weight=bold}${color grey}NETWORK ${hr 2}$color${font Sans:size=8:weight=bold}
${color grey} DOWNLOAD UPLOAD
${downspeedgraph eth0 30,115 000000 00ff00} ${alignr}${upspeedgraph eth0 30,115 000000 ff0000}$color
Processes 8 & 9 do not appear in my conky, just blank space between 7 & 10?? Also, the swap %age displays 'No swap%'?
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Sep 30, 2010
I want to setup my External HDD with multiple operating systems on it. My first question is, If i am running an AMD box at home, will my External drive boot on an intel machine some where else?
Second; How would i go about installing them on my external?
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Feb 4, 2011
I work at a local library. In a few days I am getting 8 new HP g72t laptops. Is there a way to do multiple installs of 10.10 with the same partition setup, installed programs, config settings , etc? I am a volunteer and have set up many ubuntu installs before but always had each machine old and different. Now I would like to automate all the installs somehow.I picked that laptop as linuxcity.com sells them with Ubuntu installed.I got them with windows and plan to remove win 7 and do Ubuntu 10.10
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Nov 27, 2008
We have a new Bussiness DSL line with 16 public addresses.What we want is to setup a DMZ to run some services and internet to the LAN. Here's a schematic of what we want:
Code:
Backup Internet Main Internet
connection connection
| |
| |
SDSL Modem BDSL Modem
[code]....
The webserver has the following settings:
IP: 12.34.56.125
subnet: 255.255.255.240
gateway: 12.34.56.126
What IPTABLES rules do i need to setup to "see" all IP's in the DMZ-2 from the internet?
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Apr 15, 2009
So I have a pretty big networking nightmare on my hands right now. Stepped into the dog crap with this one, told my employer that I knew how to setup vmware servers right? Its not hard, install CentOS, install vmware, run the config tool, bridge the network, down the road we all go right? We have 3 servers running about 10 virtual servers.
Here is what we have all together.
CFU <- This is the internet. We have IP ranges xx.18.230 - xx.18.241 Gateway is xx.18.254 and subnet is xx.255.128
DELL PowerConnect 3348 Switch <- This is what everything is pretty much jammed into.
VMH1 <- This machine has 2 NICs
eth0 connects to the DELL switch somewhere on the upper 30+ ports
eth1 connects to the DELL switch on port 1.
It uses firestarter and is the gateway for our internal internet on 192.168.11.XX using IP 11.254. It has 4 vm's on it. One of them is the domain controller, hooked to eth1 using IP xx.11.1. The other one is a server for managing remote backups, it has an external IP linked to eth0 of xx.18.234. The other 2 vm's are for misc remote login stations that use internal ip addresses linked to eth1. It hasn't had a single problem communicating on either one of the ports..
VMH2 <- This server hosts a web server, and some other misc stations.
It hosts a web server on xx.18.230 and xx.18.231
It also hosts 2 workstations on a seperate network, through another router that is wireless....
Now, we have the problem child, VMH3
VMH3 <- This hosts...nothing. It sits and has a ton of storage, but does absolutely nothing, but won't communicate out either one of its network ports.
The xx.36.xx and xx.22.xx networks are there because we have multiple businesses in the building that shouldn't see each other.
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Jan 17, 2011
I want to know How to set up Subversion server to run Multiple Projects? I want something to manage it over the web or manage it over kloxo as I am currently using control panel kloxo.
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Jun 12, 2010
I now have 2 desktops running debian. I have virtual servers running in desktop 1, and I am hosting my photos using Gallery2. I have copied Gallery2 and the mysql over to desktop 2. I have entered port forward to desktop 1 using port 80 (using my router), and desktop 2 using port 1000. I can only access Gallery2 in desktop1. If I tried to access Gallery2 in desktop 2, I got re-directed to desktop1.
Questions:
1. Are home routers capable of port forward to more than one computers in a home network behind the firewall of the router? It is Belkin N+ router.
2. Can multiple virtual servers be setup in 2 desktops?
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Jul 4, 2010
Im moving all my websites on a dedicated box. I had a cpanel hosting account, and now moving to a terminal and ssh system.I need some advice on choosing my mail setup. I need POP, SMTP, with multiple domains, as host for a few clients.I would like the most simple version.The server will only send +- 100 mails / day.I currently running Ubuntu Linux 10.04.
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Oct 10, 2010
I have recently setup an Ubuntu 10.04 Minimal x64 Server. I plan on setting it up as a mail server. I need a secure server, that has spam prevention on it. Im setting up around 50 domains and would like a web based control panel. What is the most secure mail server, that i can setup for multiple domains?
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Apr 29, 2011
After the installation I have 3 screens setup, on DVI, HDMI (to DVI) and DisplayPort this is using and AMD HD5570 video card. With this configuration mirrored everything is fine and I can see all three displays.However having 3 copies of the same display is worthless, so I want a separate desktop per display.This is when everything goes wrong, after making the change to have 3 displays it fails to work, ie it crashes with the message below (full log is attached as well)Now I can use any 2 monitors independently with the third one mirrored, but I can not have 3 independent monitors configured on the card without X crashing. The exact same config, did work fine in Windows (where I verified the setup).
Backtrace:
[ 352.624] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a2626]
[ 352.624] 1: /usr/bin/X (0x400000+0x6219a) [0x46219a]
[code]....
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Jul 23, 2015
I want to configure multiple virtual ethernet interfaces over a single physical ethernet interface (eth0) and for each virtual interface the MAC address must be unique and the IP address must be Static.Finally all the virtual interfaces must be able to communicate both internally and externally and the traffic should be captured using wireshark.
I need to have such kind of setup to communicate devices individually using one physical ethernet device.
Because I was fiddling with few kernel modules like MACVLAN and MACVTAP and successfully enabled those modules and rebuild kernel. Using macvlan and macvtap I can configure virtual interfaces with unique mac address and static IPs but while capturing packets using wireshark interfaces behave weirdly.
For example say on HOST machine I have 1 physical interface and created 3 virtual interfaces as shown below.
Interfaces :
eth0 (physical ethernet interface)
IP: 192.168.A.A
MAC: aa:aa:aa:aa:aa:aa
[Code] ....
First from above interfaces I started pinging eth0 internally from host machine in which it worked as usually.
Second I did same externally from other machine which is connected to the same network of Host machine, and this did work as usually.
Third I pinged first virtual interface veth0 both internally and externally and this also works and after that I did check source and destination MAC address using wireshark tool-where both showed up there respective MAC address.
Now triggers the issue, where I pinged second virtual interface same like I did for first one, but this time ping was success and where as in wireshark tool the MAC address for veth0 is picked by veth1. This is where I got stuck and this issue happened for all the remaining virtual interfaces.
I couldn't see any virtual interface showing their respective MAC address, as of the remaining except the first virtual interface has been picking the first veth0 mac address.
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Jun 4, 2011
I actually have it installed on two of my computers. One is an older Acer Aspire 3100 that dual-boots windows 7 and Ubuntu 11.04, and an Acer Aspire ONE that has Ubuntu 11.04 as main OS. Before Ubuntu, (even currently) I'm a MAC user, and i'm really liking Ubuntu. On my 3100 it works just fine except the screen flicker on wake, but a quick reboot will solve that.
On my Aspire ONE i've had to re-install ubuntu multiple times. (we're talking 5 or 6 in the last month) Sometimes, it'll boot up to absolutely nothing. One time I got a weird error message everytime it booted. The last install froze up a lot, and eventually would only start to boot into setup. I reinstalled Ubuntu, again and it worked until I shut it off. Boot back up, same thing. Threw me right into setup. I was able to get around it after 5 or so tries of rebooting, hitting ALT F11 and somehow got into ubuntu recovery, but loaded normally. I'm using it now and it's working great currently.
Specs on the ONE
1.5GB Ram
8GB SSD (could this be the culprit?)
ATOM (1.8 or 1.6) GHz Processor.
Halfway through this fiasco, I put windows XP on it and used it solid for 3 days without any of the mentioned above issues.
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Nov 2, 2010
I have a remote directory shared over NFS called tech with perms set as 0750 and owner set to root:tech. I have 2 groups: tech, and techAdmin. tech can read and execute within tech/. techAdmin can read, write, execute. I have 4 users: user1, user2, user3, user4. user1 and user2 is a member of techAdmin, user3 and user4 are members of tech. simple so far...but wait here's the problem. If user1 creates a file inside tech, user2 cant read or modify it because user1 owns it. Here's a few sites that reference this problem:
[code]....
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Mar 15, 2010
This is the current setup that we have: We have approx 20 clients who pay us to send out a type of e-mail called an E-Blast to their customers. We currently are using 5 Microsoft Windows Virtual Servers to do this. The problem is that those machines are starting to break down. There are times that it will take Microsoft Windows approx 9-10 hours to complete 1 job. This is way too long. We want to move away from Microsoft Windows for this particular type of job as it seems there are more customers who are wanting to use this type of advertising.
It seems that using a Linux Server "Command Line or Shell" environment would be the best way to go as there is no GUI like Windows. Since there is just text...that is something that would/should process very, very quickly.
I am in the process of setting up a new SMTP outbound mail server. This is the current software & configuration (what is installed on this new machine):
All of the customer data (Names, E-Mail Addresses, etc that these e-mails are going to) are currently loaded in a Microsoft SQL Database.
My machine that I am using is plugged into the DMZ. I have 1 ip address for the 1 network card. I have also added/bound 4 more ip addresses to that network card.
I have configured Postfix for Multiple IP Addresses.
I can, from the command line, send successful test e-mails and receive them in my personal account.
As far as I know everything is setup correctly. I can and will post requested information so that it can be verified that everything is setup correctly.
Here are a couple of my questions:
Ensure that I have my Network / Interfaces file and my Postfix's Master.cf/Main.cf files setup correctly?
How can I setup this server to be an Outbound SMTP server and get it to use all 5 of the IP Addresses to send these e-mails quickly?
What can I use to check and ensure that this server is in fact sending out emails on all 5 IP
Addresses (I heard that there is a program named "Postal" that may help in determing this).
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Aug 27, 2009
Faced with disk-bound issues on a FTP server with high traffic. Would like to set up multiple FTP server nodes with dedicated storage for each node where all FTP access is managed by a master FTP server. So, a user would FTP to a single externally visible IP address for the master FTP server and then get routed to the appropriate FTP node. Are the mutiple FTP nodes required or is there a better way of doing this? Perhaps only one FTP server is required and then each node would serve as a separate file server
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Dec 15, 2010
In my corporate environment, I'm required to run a Windows machine that acquires a VNC session on a machine in the server farm. My windows machine is dual head with different resolution monitors ( 1600x1080 on left and 1920x1200 on right). If I create a VNC session that spans the monitors, then maximizing a window in the VNC session causes it to stretch across both my monitors.
Instead, I want a "maximize" event to behave like it does on my windows machine -- I only want to maximize to the display that the window is on.
How can I define what, what I'll call, "maximize regions"? Regions in the VNC graphical plane where when I click "maximize", the window only expands to the region it currently ( and mostly) resides in.
Can I do this in gnome, X, xrandr, or some other magical interface?
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Feb 3, 2010
I'm looking to setup a home server for the purpose of backing up and storing the files on our multiple (Windows) computers. What kind of server should I set up? Samba? Lamp?
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Jun 9, 2011
Is it possible to output one playback stream to multiple devices simultaneously with the current PulseAudio / Phonon setup? The PulseAudio mixer only has radio buttons to choose one device per playback stream. I believe the hardware is capable of this, since I remember doing that before we had PulseAudio. How can I duplicate an audio stream?
Here's one application scenario: I am travelling with my family, all crammed in small hotel room. My wife and me want to watch a movie on my laptop without waking up our kids. I just happen to have one analogue headphone available and one wireless USB headset with me. (Of course, the low tech solution is to bring an 3,5mm Y-cable to attach two analogue headsets, but I would really love to use the USB headset together with the analogue one.)
Another similar thing that bugs me is that my laptop's built-in speakers now always seem dead when an analogue headphone is plugged in. This is mostly what one wants, and before PulseAudio, one had to manually switch them off which was generally annoying. However, the downside is for example with notifications.
For example, before PulseAudio, I could configure Skype to always ring over the laptop's built-in speakers, regardless of whether the analogue headphones were plugged in. This is no longer possible, since PulseAudio does not distinguish between built-in speakers and built-in analogue port any more, while old Alsa did. So in my office, where some analogue headphones are plugged into the docking station, I never hear Skype ringing if I don't wear the headphones.
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Apr 13, 2011
I'm trying to pass multiple dpmains thru one ubuntu server to various hosts on my local network.
[url] should be sent to the /var/www folder on the local host.
[url] should be forwarded to an IIS box on my local network (owa.nunya.local)
[url] should be sent to another ubunto box on my local network (smtp.biznet.net)
I have tried placing VirtualHost entries in /etc/apache2/sites-available/default and [url]and [url] both work but [url] gets forwarded to the c:inetpub folder on the IIS box.
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