Fedora Networking :: Can't Export NFS In 9 X64 Virtual Cluster
May 2, 2009
I'm trying to get experience in creation of virtual Fedora 9 x64 cluster using Ubuntu 9.04/Virtual Box 2.2.2. I have a head node with 1 G of RAM and two slave nodes with 512 M each. There's internal networking in Virtual Box with DHCP, so my nodes have addresses:
192.168.15.100/24 (Slave0.localdomain), 192.168.15.101/24 (Slave1.localdomain), 192.168.15.102/24 (Head.localdomain). Ping is OK. I've added the following string to /etc/exports file: /usr/share 192.168.15.0/24(rw) And then used /usr/sbin/exportfs -a But showmount -e 192.168.15.102 entered at slave node shows nothing. What's wrong? May be I have to somehow start nfsserver, but how?
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Sep 20, 2010
rhel5.5 rhcs cluster and xen kernel . now the cluster is running . the service ccsd .cman ,and rgmanager does work on both of the cluster member host. now I have a connecting problem when access the cluster virtual IP from different subnet clients. the clients in the different subnet with the cluster virtual iP access the VIP , the connection is intermittent ,while the clients in the same subnet of the VIP access the cluster VIP the connection is always on.
could anybody tell me , does the xen kernel has impacts to the cluster , or is this only a networking problem not a system problem? I monitor the switch mac table, find that , the mac of eth0 is always changing . so maybe it is xen kernel problem. I refer to some xen materials , the eth0 is a virtual adapter .and the original physical adapter eth0 is renamed as pth0 and works as a bridge .so how could I fix a mac address to eth0 ?
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Jul 10, 2010
I have an installation of ubuntu (not a virtual disk) that I'd like to turn into a virtual box drive so that I can import it into virtual box on another system. Is there an easy way to do this?
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Nov 6, 2010
I am trying to build GFS2 cluster with 2 or 3 Fedora 14 nodes, but I've encountered some problems from the start. First luci does not work at all in Fedora 14. There is no luci_admin and even if I manage to start luci service, I get a blank white screen when I try to open it from the browser. I've googled a bit and found that I'd might be able to setup GFS if I manage to build cluster.conf manually and start the cluster suite, but I cannot find documentation on how to create cluster.conf anywhere. If anyone knows how to setup GFS2 without a cluster suite or how to configure cluster.conf.
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Feb 3, 2011
I'm trying to install Gentoo on a virtual machine (VirtualBox installed on my debian squeeze).
My connexion at home is veeery slow, so I wanted to do it at work (don't judge me!), the thing is I' behinf a proxy.
I tried the command
Code:
export http_proxy="proxy:port"
but couldn't ping anything. On the other hand, when i use
Code:
links www.google.com -http-proxy host:port
that works...
So i was able to download the stage3 file and start preparing the system, but I have some troubles when it comes to use the provided tools (the tool to add a mirror can't retrieve the list for example, and I guess I could not emerge anything either)
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Apr 20, 2011
I have a "remote" server and I want to have it's X exported to my "local" laptop. Preferably, it gets done automatically from boot. I know that virtual terminals 1-6 are all text terminals and 7 is the local X. How can I get my laptop to automatically create a virtual terminal on 12 that's dedicated to receiving the X display from the server?
I know how to get it over SSH/putty. And also how to stop the local and restart the X client on 7 to use the remote. But one of the beauties of Linux is the automation and multi-user environment. It's essentially going to act as a KVM with gui replacement over IP.
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Feb 16, 2009
I'm probably dreaming, but I have a hobby project in mind that I would like feed I have an opportunity to purchase a 3 year old fully populated (14 x 3Ghz dual Xeon nodes) IBM bladecenter relatively inexpensively.I thought it would be fun to set it up as a beowulf cluster with open source xen and test the market to see what people would pay for Private virtual machines.
My thoughts are to use 64 bit Centos 5 as a base to get the beowulf cluster up and then load xen.I haven't really looked at the market but I figure I should be able to run 50 private virtual machines charging say $50 per month. I figure I can use rsync to backup the virtual machines to a different location. I plan to connect to linux based Network Storage running 3 x sata 1TB drives, probably via iSCSI. Along with the drive capacity currently on the blades I should get 2-3Tb online capacity over a Gbit network. (Cisco 14 + 4 network switch module)
I realise I have a bit of setup work to do and before I go investing a lot of time and a little money I'd appreciate some pragmatic advice as to why this may be a stupid venture.
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May 16, 2010
After upgrading Centos 5.4 cluster nodes to 5.5 all virtual services failed to start. All virtual services are marked as 'failed'. The reason: new /usr/share/cluster/vm.sh requires 'which', but this is not reflected in rgmanager-2.0.52-6.el5.centos.
Solution: run 'yum -y install which' on all nodes, and reboot cluster. Hope that will save somebody hours of downtime.
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May 17, 2009
I used to have all my mp3s, photos, etc. on a Seagate "Freeagent" removable USB drive and share it over a Windows network. We've gone all Linux in the house and I tried to export the same drive over NFS (got the NTFS support installed, ntfs-3g) but get this error:
Code:
Starting NFS services: exportfs: Warning: /media/FreeAgent Drive does not support NFS export.
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Jun 12, 2011
build a cluster within local network based on opensuse and fedora?
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Jun 12, 2010
seahorse export menu is always disabled. I need to export the passwords to restore it after formatting my machine.
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Mar 15, 2011
I'm having a very strange problem with red hat cluster. After testing it in the lab, I tried to install a new cluster and received the following error: cman not started: Cannot start, cluster name is too long or other CCS error /usr/sbin/cman_tool: aisexec daemon didn't start I've checked the internet for that error, but nothing. I decided to to take the example from cluster.conf man, which looks like that :
[Code]...
And still I get the same error. I can find my servers both from DNS (FQDN and short name) and they also appear in /etc/hosts.
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Sep 1, 2011
I am working in a project that needs to set up an Apache Web Cluster. The cluster needs to be High-availability (HA) cluster and Load-balancing cluster. Someone mentioned the use of Red Hat Cluster Suite, but, honestly, I can't figure out how it works, I haven't been able to configure it correctly. The project currently have two nodes, but we need to support at least three nodes in the cluster.
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Sep 3, 2010
configure a separate NIC for the heartbeat. what i need to add to cluster.conf to achieve this?
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Aug 25, 2009
When I create virtual ethernet interface and do a ping -I <v_int> <host> the outgoing address is the one of the physical interface and NOT the virtual interface.Is there no chance that trafic will go out with virtual interface address??Incoming trafic is done well i.e. responds to the virtual interface have the virtual address.
My problem is that I have 2 modems and want to check both default gw behind the modems.
If I do a "normal" ping both are reachable over default route even the modem which is not the default route will not work because ping goes over the working modem.So I have 2 routing tables and want to route the virtual interface to one modem the other to the other modem
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Aug 1, 2010
How does one access a Virtual Box installed Fedora system? I'd like to be able to ssh into this system (locally) but I've no idea how to do this. There is an ip address of 10.0.2.15. Ping doesn't work (ping 10.0.2.15). Should I just go ahead and assign a 192. address to this box before I go any further? It would seem that at this point the system isn't actually a part of my local network and I don't imagine it would be unless it has a 192 address.
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Aug 31, 2010
I have a very small network (5 computer) for cluster. One of them is master host and has 2 eth (eth0 and eth1). Eth0 is connected to local cluster lan switch and eth1 is connected to internet, eth1 should have a valid IP address. Cluster is okey and work good, but when I assign ip address to eth1, both of theme don't work. cluster goes down and I cant use internet. Ping my cluster node and 4.2.2.4 say the eth not work.
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Apr 26, 2010
The application works rather well for most part, it generates the dh, ta, certs and config for the server and i can activate the VPN connection just as planed and clients can connect to the port so that works as well.The problem comes when i try to use the "Export" button to generate a config for the client and a key (cert) for the user.If i'm not mistaken that's what the export button is ment to be used for.
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May 3, 2010
How do you export contacts from Empathy?
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May 21, 2010
I use my laptop through a proxy and at home I don't. I've set the proxy at uni using export http_proxy="...", as well as ftp and https proxies. Now I'm at home, I go to unset them by typing export http_proxy="" and that works, until I close and reopen terminalwhere "export" shows the proxy still set
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Jan 8, 2010
I have a DHCP/PXE server behind a firewall. It mounts partitions on the file server on the corp. network on the other side of the firewall. Every box that PXEs also mounts partitions on the main file server.
I was hoping I could change them to mount from the DHCP/PXE server, so that server could cache and cut down on the requests through the firewall, as well as the sessions that the firewall must track.But it seams a little strange to try to export directories that are simply NFS mounts on another server already.
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Jun 8, 2010
I am trying to do the cluster storage with the Rock Cluster storage operating system . I have install the rock cluster on the main server . and I want to connect the client with the PXE boot . when I starting the client then it boot from the PXE boot into the mode of compute node. but it ask the where is to be stored the I have give the path..then server says that not able to find the directory path.
Steps:-
1) insert-ethers
2) client is started with the PXE boot.
3) it detects the dhcp .
4) At last it demand where is to be started by cd-rom, harddisk ,nfs etc.
then I started with the nfs and I have given the lanIp of server.and server is detecting the client but client is not finding the filesystem directory. into export partition directory but it is not taking path.
PATH:-
/export/rock/install it is not finding this path then it is not able to start the o/s from PXE boot..Is there any solution and manual of rock or anyother solution then u can reply to me...
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Jan 24, 2010
I need to install Cluster package and configure it on Dell Power Edge1950 intel Server on Red had linux 5 OS. how do i get cluster package for the same and configure it.
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Mar 13, 2010
I am setting proxy for apt-get application in command line using xporthttp_proxy="http://usrnameasswrd@hostort"But my password contains special characters whi is mandatory in our system. the special characters are not recognised properly and it give authentication failure when i use apt-get..how do i work around this problem?? i know that i could put the hex code for the special characters so the system will recognise it properly, but i dont know how exactly, as i tried it but seems not working.
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Jul 13, 2011
In my company have proxy server using Linux.
Ip Address Proxy Server 1 is: 123.16.201.23
Ip Address Proxy Server 2 is: 123.16.201.24
Every Client: 123.16.3.25,....
and 123.16.4.25,.....
....
- I want export config file on Proxy Server, but i don't know command and i see interface is command line. So hepl me command line and send file to my email.
- In config file on Proxy Server may be disconnect internet for user and Enable coonect internet for user. Hepl me do this?
- I using Ubuntu 10.04LST i want connect file Server on Server ( using WinServer2003).
I just go to company so i have everything don't know system.
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Aug 31, 2011
I want a virtual router for Fedora? I want to mix together two broadband?
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Nov 30, 2010
Have many computers at works. Not always on as students works on it from time to time. I already have a nfs server for files, but there's plenty of disk space on workstations. I wanna make use of it as a "performance booster".Which distributed file system should i use ? Looked for Plan 9 fs, but seems a bit new and "complicated" for me.
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Jan 24, 2011
I am running hardy on my laptop and was thinking its time I upgraded. One thing that's been holding me back is I have a number of wifi keys stored in there somewhere and can't remember what they were exactly. Are they exportable?
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Nov 17, 2010
Can we export a raw device through NFS/CIFS to be mounted at remote location?
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Jul 1, 2009
I am applying a virtual interface (eth0:0) which is failing after the system reboots. It actually cause the default interface (eth0) to fail as well, I must manually go in and remove the configuration for the eth:0:0 and restart the network to get it running again. How do I successfully add a Virtual interface to Fedora 11 that will stick when rebooted.
eth0: 192.168.0.200, 255.255.255.0, 192.168.0.1, BROADCAST: 192.168.99.255
eth0:0 192.168.0.98, 255.255.255.0, 192.168.0.1, BROADCAST: 192.168.99.255
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