General :: Re-build Network - Blow Away All Network Hardware Definitions
Feb 1, 2010
I just recently rebuilt my RHEL 5.3 system using MONDO onto differnt hardware. The tool worked GREAT on my 32 bit system. The only problem I am having now is that since this system was built as a clone of another system on different hardware, it copied over the network definitions as well. Not good!!! So although my system is up, I can't get it on the network because it still wants to use the original NIC's that were on the other system. How can I blow away all network hardware definitions and tell the system to go out and re-discover so that I can configure them with the nessasary network information.
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Sep 4, 2010
i do love to learn this stuff so i thing I'll give it a shot as far as setting mail, ftp, and other services i think i can manage. what i really has no clue of with where to begin is how to make this: there are foot computers, 2 of them need to access the net and 2 should not. of course, all of the PC's should be able to talk to the main server (the ftp, mail , file sharing server)so, where is my starting point?
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Jan 4, 2010
At home we have a small home network, but it is very slow. I believe it is, because some computers are placed in a workgroup, called WORKGROUP and others are placed in a domain called TUE. The domain is because many of the laptops at our house also have to work on our university, and I can't simply put them in a workgroup.
The reason why I believe it is slow because of this, is because file sharing between the computers in the workgroup goes with 5 MB/s. File sharing between a domain computer and a workgroup computer goes as fast as 160 KB/s. This is the upload speed of our internet here. How to make the connection with the domain computers the same speed as the workgroup computers? I can not simply put the domain computers out of their domain and in the workgroup (as explained before)
Our network looks as follows:
Internet
/
||
/
Modem
[code]....
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Jun 12, 2011
build a cluster within local network based on opensuse and fedora?
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Apr 17, 2010
I want to learn how to build a Linux network from scratch that includes file and printer sharing, intranet. I have an intermediate-level knowledge of Windows networking. Can anyone suggest a book or online tutorial that I can learn from? Now let me be clear: I am finding no shortage of tutorials on the web. However, too many are old or incomplete.
A little extra info: I am a teacher/network admin for a small private school with about 50 student computers (that I wish to become Linux machines in the future) and about 10 staff computers (mostly Windows laptops--I do not expect the staff to convert to Linux as readily), I currently do not have an intranet implemented.
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Mar 9, 2011
I am having a terrible time getting any networking to work with a new RedHat Enterprise 6 64 bit install. I am installing on an HP Proliant DL380G7.I have downloaded the driver - hp-netxtreme2-6.2.23-2.src.rpm from the HP website.Followed directions and did the following:1.Build Environment Setup - installed redhat-rpm-config and kernel-devel2.Installed the source (hp-netxtreme) rpm.3. Build the Binary RPM - installed rpm-build and ran the following:rpmbuild -bb /root/rpmbuild/SPECS/hp-netxtreme2.specIt runs through the build process and near the end I get the following:make -C /lib/modules/2.6.3271.el6.x86_64/build UBDIRS=/root/rpmbuild/BUILD/hpnetxtreme26.2.23/obj/default/bnx2-2.0.23b/src modulesexpr: syntax erromake[2]: Entering directory '/usr/src/kernels/2.6.32-71.el6.x86_64'/usr/src/kernels/2.6.32-1.el6.x86_64/arch/x86/makefile:81: stack protector enabled but no compiler supportmake[2]: gcc: command not found
make [3]: ***[/root/rpmbuild/BUILD/hp-netxtreme2-6.2.23/obj/default/bnx2-2.0.23b/src/bnx2.o] Error 127make[2]: ***[_module_/root/rpmbuild/BUILD/hp-netxtreme2-6.2.23/obj/default/bnx2-2.0.23b/src] Error 2make[2]: Leaving directory '/usr/src/kernels/2.6.32-71.el6.x86_64'
[code].....
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Apr 3, 2010
I installed the driver for my network card. iwconfig and ifconfig are all responsive to connecting to the network, I'm given an access point address. Then, I try to connect to a website and no dice. ping www.google.com yields no result. What gives?
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Sep 27, 2010
Our corporate wireless network uses continuously changing passwords with RSA tokens.So every time we need to connect to the wireless we need to enter a new password off the RSA token. For extra fun using the wrong password a couple of times in a row causes the users account to be locked.Network manager automatically stores and reuses the password, with the net result that it is constant getting my account locked.Is there some way to prevent it from storing my password for that network?
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Dec 2, 2010
I wish to install a C++ plugin for the Eclipse IDE.I have Fedora 10 installed.I goto:
1. System-->Administration-->Add/Remove Software
2. I type 'eclipse' in the seach box and hit 'Find'.
3. From the list of packages available I select 'Eclipse C/C++ Development Tools (CDT) plugin.
3. When I hit 'Apply' I get an error message saying 'No Network connection available' The 'more deatils' tells me: 'Cannot install when offline'
But my computer IS online. I have internet access etc.
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Mar 8, 2010
I just want to know one thing. I had stop the network service in ubuntu, still i can able to ping google.com.what u think might be things to consider. these are the outputs see.
root@jeetendra-desktop:~# /etc/init.d/networking stop
* Deconfiguring network
interfaces... [ OK ]
root@jeetendra-desktop:~# ping google.com
[Code]....
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Oct 31, 2010
On Linux Mint (Gnome) i used to go to Network drive. that is on the right hand side of Nautilus there is a short cut for Network. in there i could see my network hard drive and other laptops connected to the network, and i could access my files. but on OpenSuse, when i open the network folder, nothing comes up. may be it needs some sort of configuration.
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Oct 27, 2009
I was playing with top to understand ram memory usage of every thread but i am in trouble with some basic questions:
- what difference is between 'thread' and 'process'?
- what does 'virtual image size' means, and Resident size, Shared Mem size, Code size, Data+Stack size, Swapped size? I thought that the only important field is 'Memory usage', but it is represented as a percent value...
I have googled a bit, but nothing really helped me. before opening top i thought that memory is divided in several pages by every process/thread (?) and that this occupied memory would be counted as 'used memory', and nothing else.
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Aug 10, 2010
I have installed CentOs as server and trying to run .exe(dos program) there. i have already installed dosbox and works on running the program. But the problem is how can i run that on network (i use windowsXp)? i store the program and data on CentOs server and the client program runs directly on server (client just create shortcut to network path). I misassumed if we install dosbox on centos it can work, but it didnt for network
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Feb 13, 2010
In Windows environment when I used Borlan for C/C++ compilation, I was used to find the the scope/definitions of the methods/classes by pressing
Code:
ctrl + F1
when the cursor was hovering on that method/class. How can I find the scopes/definitions in the GNU/Linux?
Code:
//atoi.cc
#include <iostream>
main(int argc, char* argv[]) {
float var_float = atof(argv[0]);
[Code]....
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May 24, 2010
How do I find out the network usage ie the total amount of data is transferred in or out of my computer (openSUSE 11.2 and gnome) and keep a track of the total network usage?
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Jan 3, 2011
When I try to connect to a new network it keeps trying to use the name of the last network I connected to. This has just started happening in the last two months.
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Jan 7, 2010
I just added a 2 port network card to a system that is running Fedora 11, but it is INACTIVE. I open the Network Device Control to activate it but there is no network ports in Network Device Control. It is empty.It looks like the system recognize the card and loaded correct driver.
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Apr 7, 2009
Using Fedora 10, can anyone tell me how to setup the network scripts to create two network interfaces for vlan x and y. Both interfaces should obtain an ip from dhcp and both interfaces should run over eth0.
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Dec 31, 2009
I have four PCs in my house that are running opensuse 11.2 and I want to create a home network to share files, scanner and printer.
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Jan 21, 2010
I'm new to networks and servers, been using Linux on the desktop for a while now but always relied on the company's IT guy for setting up everyting LAN-based.
Now I want to build up my home LAN, and want to do it with Linux. I've managed to set up LAMP and file share servers.
What I am looking for is information on what I need, and how to set up a server for the following tasks:Centralized Username and Password, that when the user logs into any one of the desktops in the LAN, it uses this for authentication
Something that allows this authentication to be utilized in other servers (file access, web access, router logging, etc.). Something to make it easier for continuing permissions from one service to another. e.g. I have IPCop filtering content, and it has provisions for tracking who is making which request if there is authentication going on. (optionally) to run a script for mounting Samba shares or mapped network drives so from one system to the next. For example, in whatever box somebody logs in, it mounts a server share ("smb://Myserver/users/<username>") to a local folder ("my_user_share").
So;user "fred" ="smb://Myserver/users/fred" and user "wilma" = "smb://Myserver/users/wilma" but both would find their respective one mounted under "~/my_user_share". This would be irrespective of which box they are loggin in with. If the server share location changes (new server/servername), I change it on the server so the next time they log in it points to the right place.
I guess it is similar to Window's Active Directory, though I'm not sure what it's called, how to configure it and what it is and is not capable of doing.
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Feb 26, 2010
I have openSUSE 11.2 installed and i need to create a gateway server that allows virtual private network connections. I want to play with my friends some lan games, but we are in different networks, so i want to create this gateway server so we can connect with VPN clients to this server and play freely.
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Mar 5, 2010
How do I activate static DNS for mobile broadband. I can't find any place to write down this information. Settings are made in Network Manager - not Yast.
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Jun 13, 2010
I setup the hostname for my linux machine to Linux. If I try ping Linux from the same computer it works. If I try from another computer inside my network the host can not be resolved. If I ping the IP from another computer it works.
I take a look in my router at DHCP client list and my linux machine doesn't have the Hostname set up.
How to broadcast the hostname to the entire network?
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Aug 29, 2010
I just installed open Suse 11.3, and I cannot SSH my school. Upon further investigation I could not even ping any machines outside my local area network. Ironically I could nmap machines outside my local area network.
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Jun 7, 2011
I've not found how to configure more than one ip address with network manager.Nor with kde nor with plasmoid network manager.I need several virtual ip addresses for eth0 when the "default" of eth0 is connected i.e. "Connected to Auto eth0" should initialize the virtual interfaces.I have not found no even how to configure the ip address.I think this will be used from ifup config in yast or not?There I have the virtual interfaces but they are not taken from network manager.And last but no least: Is it possible that when using network manager the eth0 is enabled even no user has logged in?
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Jul 27, 2011
I am facing two issues with CUPS - 1. I have installed cups 1.3.9 over OpenSuse11 x86. Please check below -
cups:/usr/share/cups/banners # cups-config --version
1.3.9
cups:/usr/share/cups/banners # cat /proc/version
Linux version 2.6.27.7-9-pae (geeko@buildhost) (gcc version 4.3.2 [gcc-4_3-branch revision 141291] (SUSE Linux) ) #1 SMP 2008-12-04 18:10:04 +0100
I have added few printers over there and everything is working fine. I can also able to add - delete - modify any printers from "yast2 printer" command. I can also able to browse cups web interface via http://cups:631, but when I am going to manage the printers (start - stop - delete etc), none of the buttons are working in firefox5 not even in IE also. Older version of firefox is giving error as "This address uses a network port which is normally used for purposes other than Web browsing. Firefox has canceled the request for your protection." All other buttons are working properly.
2. LINUX - LINUX Printing - OK
LINUX - WINDOWS Printing - OK
WINDOWS - LINUX Printing - NOT OK
While giving printing from Windows machine (Printer attached on Linux), there is no problem to coonect the printers, but unable to print.
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Apr 7, 2011
I am totally new to Linux and have just installed ubuntu 10.10. After configuring the network interface via dhcp I started getting these messages that come in so frequently I can't configure anything else.
[87.186415] Stack:
Why I am getting this messages and more importantly how do I get rid of them.
The installation is on a VM on Hyper-V.
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Feb 16, 2010
I've been trying to understand how Linux creates the network/interfaces on a machine (been reading the Linux admin guide), but as I'm pretty new to this subject, I've got lost in the forest.
To provide with my goal:
1.) Learn about network setups on Linux
2.) Be able to maintain my own (virtual) network
3.) Configure my (virtual) network
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May 7, 2011
Sometimes my file share network stops working,and will then work again.I'm lost with this problem. The server pc is a Zenwalk pc.The other pc is a win7 pc. This error only occurs on Zenwalk. When i run puppy from the live cd the file shares are always visible,without fail.Under puppy i use pNethood. When the ping command is used there is no problem, and the pc name can be pinged.This is shown below:
[Code]...
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Oct 5, 2010
I have a server that is on both a standard network and a virtual network, as follows: server1 attached to standard network server1 acting as Dom0 with two linux DomU guests (under Xen) I only have one network card. How do I configure server1 to have a different hostname on the standard network than on the virtual network? Here are the relevant network configuration files for server1:
/etc/sysconfig/network-scripts/ifcfg-eth0:1
DEVICE=eth0:1
BOOTPROTO=none
NETMASK=255.255.255.0
IPADDR=192.168.122.9
[Code]...
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