CentOS 5 :: Settings Of Networking For Guest System (KVM)?
Aug 13, 2010
My problem is next: I have Public IP-addresses (ex. 80.237.x.x) and this IP-addresses join to network interfaces (eth0:0, ... eth0:5) and I have local IP-address of Guest System 192.168.122.111 of NETWORK 192.168.122.0.What I can do here if I want assign Public IP-address for Guest System? Because if I want connect to my Guest System through any computer in world (ex. through SSH) I should have public IP of guest system (not private, ex.192.168.122.111).
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Apr 9, 2010
I am not able to connect to the internet via Ubuntu guest in Vmware Workstation. Here is the ipconfig:
Here is the ifconfig -a:
I have the vmware os settings to connect through a nat connection and I am able to ping domains however I am unable to open a page in either firefox or chrome.
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Jul 29, 2010
I am having a problem running CentOS 5.4 in VMware which have appeared with the following error.
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Mar 30, 2011
Last I upgraded one of our cent 5 boxes which is running kvm with a mix of centos and windows VMs.After the update performance just tanked on the XP guest, but the others (including other windows VMs) are just fine.I checked with our good friend google and didn't really get any help there.We're hoping to NOT have to rebuild the XP guest, so I thought I'd check in here first.
This is CentOS release 5.5 (Final) with kernel
2.6.18-194.32.1.el5 #1 SMP (64bit)
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Jan 15, 2010
I am running a Centos 5 x86_64 guest with VirtualBox 3.1.2.The virtio modules are loaded, but the virtual interface is not detected.Anyone else use the new virtio network drivers with virtual box and know how to get this to work?
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Mar 16, 2009
I have a local file server running Samba on Fedora 9. It's already configured and serves a few people without any problems. I am now trying to set up a new read-only share with the username 'guest' and the password 'guest'. However, with no success so far! If I log on as 'guest' with the password 'guest' like so:
Code:
su - guest
No problem. Once logged in, if I try:
Code:
smbclient //samba/share
I'm prompted for a password. If I enter 'guest' I get:
Code:
session setup failed: NT_STATUS_LOGON_FAILURE
If I enter nothing (null) I get:
Code:
Anonymous login successful
Domain=[RIVER] OS=[Unix] Server=[Samba 3.2.8-0.26.fc9]
tree connect failed: NT_STATUS_LOGON_FAILURE
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Jan 6, 2010
when a remove a user from the system using the domain userdel guest the user gets removed but the /home/guest doesn't get removed so i remove it by command rm -rf /home/guest then i recreate the user by giving in the command useradd guest now it gives the error mailbox file already exists what does it mean when it says so though this command creates the user.
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Feb 19, 2010
how do i get yum, KPackageManager to use System Proxy Settings for there network access ? by proxy i mean it's a program that uses my phone as the proxy.here is the command adb forward tcp:8080 tcp:8080
now i got it to work for firefox like this localhost 8080 for all protocols.did the same in KDE proxy settings localhost 8080 for all protocols..just need to know hot to configure yum and kPackageManage
to use it as well?
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Apr 18, 2010
in my case it says..
Code:
sidhu@sidhu-desktop:~$ sudo killall nm-system-settings
[sudo] password for sidhu:
Sorry, try again.
[sudo] password for sidhu:
nm-system-settings: no process found
sidhu@sidhu-desktop:~$
why is this error..?
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Jul 20, 2009
Box has been running fine. NIC went out on me so I installed a new one.
New NIC is not saving settings when I reboot. After each reboot I need to reconfigure the IP address, etc.
Run CentOS 5, 2.6.18-53.1.4.el5 kernel.
New NIC is DLink DFE-530TX+
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Aug 4, 2010
Problems with xen 3.1.2 creating and installing domU CentOS 5.5 I am trying to do a virt-install --prompt --paravirt, and the install error out while trying to download install RPMs. I have googled for xen centos virt-install and various permutations. I have found similar howtos for 5.4 and 5.3, but they resulted in the same outcome. I did find several posts with similar issues, but no solution was posted.[URL]..
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Nov 24, 2009
The problem is that he did not specify exactly where in /etc/profile. I am trying to make a custom spin of F12 but I cannot do it behind the proxy as it is now.
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May 9, 2010
I'm with new version kubuntu 10.04 after changing managed=true in /etc/NetworkManager/nm-system-settings.conf
I can't execute killall nm-system-settings it says: nm-system-settings: no process found Maybe I'm with the wrong command
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Mar 28, 2010
Failed to fetch [URL] Could not connect to 127.0.0.1:8118 (127.0.0.1). - connect (111 Connection refused)----when tor and polipo are not running---
Possible causes:
I just installed tor, privoxy, and polipo and set them up for web browsing anonymity. Other than that I don't recall making any system wide changes.
Other Info:
I can access the internet via a web browser and other programs just fine because i can manually edit each program's internet connection settings. apt-get works when tor and polipo are running. I have used tor and privoxy/polipo in the past and this has never been a problem, so I must have done something different this go around. Obviously I am not sure what that is. Attached are the applicable config files.
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Dec 8, 2010
I am trying to do an HTTP-based 5.5 install. One thing I noticed: if I press Alt-F4 after specifying the network settings, it says:<6>bnx2: eth0 NIC Copper Link is Up, 100 Mbps half duplex
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Jan 31, 2010
Did you play too much with compiz and after-a-while you realize that certain functions are not working anymore?
Well, just follow the steps below:
Quote:
gconftool-2 --recursive-unset /apps/compiz
Then,
Quote:
Restart your PC / lappy
[URL]
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Apr 1, 2011
Is there a way I can save system settings and have yast revert to a config file in case I ever need to reinstall the system again? I hate having to configure the firewall, runlevels, samba shares, samba workgroup, apparmor, and all the other junk after every install. It's not like I install often, but should suse 11.5 or 12 roll out, I'd like it to be a snappy upgrade.
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Feb 19, 2010
I just started setting up a linux box in the office...I have some experience with ssh commands but not setting up a linux system and stuff.The box is connected to our network but I have no clue how to make windows & osx talk with it. How can I go by doing that and also setting up an apache server to be able to connect through network. Right now I have apache/linux/mysql running it works when i go to localhost, but I would also like to let all the computers in office to access it. I would guess that will deal with virtual host which I know how to setup. I just need to setup an IP.
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May 3, 2009
I have tried to install debian 5.0 and 4.0 without any luck. I have both tried virt-manager and virt-install with both debian-501-i386-netinst.iso, and full dvd. I't always gives me the same error:Starting install.Could not find an installable distribution at '/xen/debian-501-i386-netinst.iso'
[Code]...
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Aug 27, 2010
I just ran into a weird problem with a CentOS 5.5 64-bit server running VirtualBox 3.2.8 (I would run Vmware Server 2.0.2 if not for the well known fact that Vmware doesn't care about its Server line anymore and it doesn't run on CentOS > 5.3 without major splits). I currently have two guests in that VirtualBox setup, a CentOS 5.5 64-bit and a Fedora 13 64-bit. The CentOS 5.5 guest shows less memory available than configured. If, for example, I give the virtual machine 512MB of memory the guest OS only recognizes 380MB. If I give it 768MB it only recognizes 637MB, and so on. I don't have that problem on the Fedora guest - 1024MB configured, 1024MB available.
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May 1, 2010
I'm running CentOS 5.4 with kvm and 1 Ubuntu 9.10 guest. I haven't gotten any sound from the start. I've done quite a bit of research and troubleshooting but have taken this as far as I can at this point. To start there was no virtual sound card, but after enough digging I found the option in virt-manager that creates that, created a new guest with sound and copied the line from the xml config file to my existing guest. The line I added in virsh was <sound model='ac97'/> And the virtual sound card now shows up properly in the guest, but still no sound in the guest. Sound works fine in the host so no hardware issues.
Next I followed the instructions here: [URL].. making sure to check the volume controls and user permissions, still no sound. I read somewhere on the net that SElinux messes up the sound, so I disabled SElinux on the host for testing purposes, but no joy. I also tried using modprobe snd-pcm-oss on my host but that didn't return any output so I'm not sure if that did anything. In short I've been shooting the dark trying different things and if anyone has an idea I haven't tried yet, I'd like to hear it.
I also found this on the net: [URL]... But this seems to refer to slackware and I have no idea which config file they are even talking about. I don't think it applies to me but who knows?
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Mar 1, 2010
I'm trying to use VirtualBox on a 64 bit host (Fedora 12), and install a 64 bit suse guest. I have VirtualBox installed just fine on the host, but when I try to launch the guest (booting from an iso) I get the message "This is a 32-bit computer. You cannot use 64-bit software on it". One thing to note, this host, while 64 bit, does not have the AMD-V extensions. (Not sure if this matters or not). I do however have another 64 bit host with the AMD-V extensions that runs a 64 bit guest just fine.
I confirmed `uname -m` on the host reports "x86_64". I also did a `file /usr/lib/virtualbox/VirtualBox` just to make sure I got the 64 bit version of VirtualBox Any ideas on why the guest os would think the host is 32 bit when it should be a 64 bit system?
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Dec 9, 2009
I don't want to use image file as disk, but would like to allocate a disk for guest os. say it's /sda6, then do I need install guest os on host os? or can I install while the system is booting and only import a guest os from that? Do I have to mount the disk?
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Jan 10, 2010
i just experimented with virtualbox to make a vps on my centos machine, now i have a question in mind, since this was my local machine so i was able to install the guest os using the CDrom but when i have a server in the datacenter, and i create a vps on it and i am thousands of KM from my server. how will i install the guest os on my VPS on my server in the datacenter.
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Jul 13, 2010
1) Installed Cent os 5.4 in my system (name it as "guest os").
2) Downloaded the full kernel source, and patched the vanilla kernel to export symbol table (2 line change) [URL] (Yes I know that kernel should not be touched, if touched you should not seek help here . but I felt I didnt do any big change in kernel there). Besides we unset the config_smp & config_preempt parameter to make the kernel as not SMP and not preemptive .
3) Then compiled and booted with the new kernel 2.6.18, everything went fine . Now my gust os box is loading fine and I dont have any issue .
So now I need to install this above machine as guest OS in one more XEN machine cent os 5.4 (name it as "xen os").
So we created the image out of the above box "guest os" and added it as VM in xen os . But while booting it always hangs under some error like "/usb device sort of thing" (I dont have the screen where it hangs, but I do have the equivalent xen log from XEN OS linked to [URL] .
1) what the error is, and what need to be changed in my guest os build .
2) In general I am new to this VM and XEN installation, to be frank I am completely zero . Does changing the native os 5.4 to guest os need any change in kernel or something.
3) Does this case possible, install plain cent os in xen machine. After then patch the kernel in VM and boot with that . I guess it should not be possible ...
4) If possible guide me to some documentation where I can learn few basics over this.
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Jan 11, 2011
I have a new public mail server running under Vmware Server 2.0 installed on Windows Server 2008. I'm not satisfy about performance, virtual machine has got 3gb of ram and 2 virtual cpu. Physical machine has got one intel xeon cpu 2.4ghz quad core, 8 gb of ram and 3 hdd 500gb raid5. I already set this option: Fit all virtual machine memory into reserved host RAM. How can I increase performance? Are there any kernel build for virtual installation?
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Nov 11, 2010
I have RHEL running in Virtual Box and my native OS is Win 7. From a purely educational standpoint, I want to be able to access RHEL from Win 7 over SSH. I download putty but don;t know how to make it do what I want. Ideally, I would like to use the linux command prompt at a minimum and preferably access the GUI apps also. IS this possible? I am just trying to explore and expand my linux knowledge.
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May 12, 2010
After installing the 32 bit desktop version 10.04 on vmware 6 and then rebooting ( a number of times) I get the message "the guest operating system has disabled the processor". This doesnt seem to happen when I install the 64bit version though. I have 9.1 running in 32bit versions in vmware and several other operating systems.I am not sure if any of those things would cause this issue but I have read in posts about people having issues with RAID and speed stepping. Hopefully that info can help spmepne point me in the right direction. Thank you.
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Apr 4, 2010
How can I know socket limit of guest operating system running on ESX server?
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Nov 19, 2010
Whenever I boot up CentOS 5,eth0 provides no connection to the internet . Deactivating and reactivating it does nothing. However, when I go to edit its settings and change nothing, then save and reactivate, connectivity is established.Why can't I get connectivity at startup?
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