CentOS 5 Networking :: Does Network Install Assign Pingable Ip During Installation
Jul 23, 2011
Does a network install assign a pingable ip during installation? I am trying to verify why I get an error during installation that "stage2.img" cannot be found and I'm guessing that since I can *not* ping the static IP I assigned, that the network functionality is not working during the install process. Can anyone confirm if I should be able to ping a system during installation using the assigned static IP?
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Apr 3, 2010
I submitted this subject in Linux kernal forum but there was not any helpful answer so I did that again here in this forum
first, let me tell you my board information
3.6.31-rc3-olimex ,,, it uses debian
board ATMEL SAM9-L9260
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Mar 6, 2011
i am writing a script to know the status of the server whether it is accessable or not. i use ping. But sometimes the server is pingable but the SSH didnt work., is there any way so that i can check if the SSH (port 22) is working or not after ping that server.
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Nov 3, 2010
I have installed a Netgear WG111v3 wireless USB networking adapter on an OpenSUSE 11.3 system. I'm using ndiswrapper to run the Windows driver. Using the "Network Settings" GNOME applet (says "Network Settings - YaST" in the title bar) it shows that I have the adapter installed as wlan0, but it's not connected. However, if I go to the "Network Tools" applet (says "Devices - Network Tools" in the title bar) and select "Wireless Interface (wlan0)" from the drop-down, it says that I have an IPv4 address of 192.168.1.104. This is a plausible address that my router could have served. However, I cannot use the network interface from the box itself.
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Nov 25, 2010
I am able to ping my hostname of sinbad only from the linux system itself. On all my windows boxes, I am not able to ping it. I can only ping the IP address.
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Jul 24, 2011
On every machine that SSHes in, the connection gets dropped randomly between immediately, and 30 minutes into the session, while the user is actively using the remote system (typing, etc). Before, during and after the disconnection, the system responds to pings regularly (0% packet loss).It takes about 5-10 minutes before I can make an SSH connection again.I have tried restarting SSH on the server and rebooting the server. I even removed and reinstalled sshd and it is still happening.What might be causing these random disconnects and how might I solve this?
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Nov 3, 2010
I can't install printers shared by a computer running Windows 7, I try to add a new printer using samba, it shows me the other computers but I cant see any printers.
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Sep 12, 2010
I installl centos in my pc after i install, i cant surf the net,showing no devices for network
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Sep 21, 2010
I have been installing CentOS 5.5 on a VirtualBox virtual machine using the netinstall iso (leaving almost all options on default).It automatically obtained addresses of the nameserver the host machine was using. However shortly before the installation would have finished the nameserver went down and the installer started giving error "file ... cannot be opened".
After changing the nameserver address (to Google DNS 8.8.8.8) in /etc/resolv.conf , addresses can be resolved again (wget, ping) but the installer still gives the same error and attempts to connect to the original DNS.It there a way to tell the installer about the DNS change and resume installation? Or do I have to either wait for the original DNS or to do the whole installation again?
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May 10, 2010
I'm trying to install CentOS 5.4 from my local repo, booting the server from centos54-netinstall iso (vmware). I write "linux URL..." during boot. I eventually get prompted for network config, where I choose manual configuration. Hitting OK ignores my config and defaults back to dhcp, which won't work since I don't have any dhcp server available.Whats wrong? Is there a bug in anaconda?
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May 5, 2011
I'm trying to install DFE-550TX , network device of D-LINK, with no success. I'm using CentOS 5.6.
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Jan 21, 2011
I had installed a Centos 5 server, with one network interface card and work find. Now I want to install ADSL (PPPOE) dial-up for internet in this server, so need to add a 2nd network interface card (RTL8139D or other) . After plug the network card, what I need to do in Centos to find this new card and config it?
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May 18, 2011
I have dsl broadband shared through a Modem Bridge Mode forwarded to wireless router which is configured for dhcp lease to the clients(1 Desktop, 1 Laptop).
So, in My Debian Testing Desktop, I have following lines in /etc/network/interfaces :
Code:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
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Jan 28, 2011
My server is Linux (centos 5.3). In Server System Dhcp server is running, so it assign ip address to client windows .....
1. I want to assign ip address to Printer (printer Hp laser 3055 )
2. How do I configure cups (Network Printer) in linux server
3. How to configure printer in windows client....
How to do this.
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May 1, 2010
i am trying to assign a Static IP address and for the life of my i cannot get it to work Can someone explain to me the easiest way to do it and if i restart the server it won't get lost either.
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Jul 19, 2011
How would you assign a server a public static IP ?
Ok.. I guess to better ask my question... how to assign server public static IP centos? Like for example I am in the router itself.. where would I go to point ip 44.33.33.21. to ?> 192.168.1.4
What would be the most common in the routers?
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Jul 23, 2011
I am running a modem in bridge mode to my server
I edit file /etc/sysconfig/network-scripts/ifcfg-eth0 code...
I do service network restart and get nothing ? No connection... Are there other files I need to edit?
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Aug 13, 2009
I have got squid 3.0 stable 13 installed on a new centos5 box .I have used it on other centos5 ones and it has worked really well.It didnt give any error messages during installation on this one until i used the proxies in the browser.I have used it on other centos5 ones and it has worked really well.But with this box I am getting this error in browser-The following error was encountered while trying to retrieve the URL:Yahoo!Socket FailureThe system returned: (99) Cannot assign requested addressSquid is unable to create a TCP socket, presumably due to excessive load. Please retry your request.I have tried many options for http_port but to no avail.I have never seen this error before with and am totally clueless
Excerpts from cache.log
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2009/08/13 05:57:17| Squid Cache (Version 3.0.STABLE10): Exiting normally.
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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
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Feb 11, 2009
I have installed Ubuntu 8.10 Server Edition on Virtual Box. When I start the virtual machine I do not have connection to my home network. The router I have does not assign any IP address to this machine. Now I have some questions which I am finding hard to find answers for over the internet and other forums.
If I do have a network interface (I checked this using ifconfig -a) then is there a command to actually make the operating system connect to that network (something like repair on windows)?? Also what is the difference between a network interface with alias eth0 and eth5? I know that when it was eth0 the virtual machine used to connect to the network automatically. Now that it is eth5 it does not! I do not know however if this is related.
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Feb 19, 2010
How do I assign IPv4 and IPv6 static addresses permanently in OpenSUSE 11.2? Currently I am only able to assign either IPv4 or IPv6 static address not both. I cannot find even the interfaces file(/etc/sysconfig/network/interfaces).
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Jan 29, 2009
Does anyone know if you switch networks Where you have your servers hosted on a Non-DHCP Network, and you switch your IP addresses, then do you have to switch change/assign your new gateway address? I'm not sure if its manually assigned? How do you do it? Also what about nameserver resolving?
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Aug 12, 2009
I am attempting to setup a network to network VPN tunnel between our main office and a temporary location. This location need full VPN access back to the main office's network.Anyhow we have spent about 3 solid days attempting to make this work without any great success. Here is our network scheme for these two devices.
Network A (Main Office) (OpenBSD using isakmpd)
Network: 172.16.8.0/24
External IP: 1.1.1.1 (obviously not the real IP)[code].....
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May 12, 2009
I have installed CentOS 5.3, and updated with yum update. I have kernel 2.6.18-128.1.10.el5xen.
I can't get my wirelss network to work, I have AR928X wireles network adapter.
Do I need to install a newer kernel and install ath9k or can I just downlad a driver without updating the kernel?
I'm new to CetOS and Linux so I hope someone kan give me a step by step guide to what I can do!
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Aug 25, 2010
I just upgraded from Ubuntu 9.04 64-bit, to CentOS 5.5 64-bit and my RT-73 USB network card doesn't seem to want to function. It always worked fine in Ubuntu by default (plug and play). Is there some setting I need to make to get this working?Even BT-3 (which is quite old) recognizes the RT-73.
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Jan 12, 2010
I have a Fedora core 3 box that I am trying to use to replace my current document server. This box was part of a domain at a different location previously. At this location we use a "work group" network. I have set the IP, Gateway, Subnet, and DNS servers. I can see the machine from my XP machine, but cannot get a connection to the internet?
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Jun 8, 2010
i know exactly what i need to do, im just not familiar enough with command line to do it properly.i have 7 computers.the first 4 are connected to a router via wireless at one end of the house. of the last 3 only 1 will be able to access the router via wireless, so it needs to share it's one wireless connection via ethernet. this computer i'm going to call 'server'server will have two IP'swlan0 192.168.1.6 this connects to the router that has internet access.eth0 i intend to have the following settingsip:192.168.0.1sub: 255.255.0eth0 will connect to a second router, where the cat5 cable goes from the server, into the internet port of the router where i will define the router's static IP:IP: 192.168.0.100sub: 255.255.255.0gateway 192.168.0.1i have then set the router IP for LAN handling as 192.168.27.1 and all ethernet connections will have a 192.168.27.x IP.
so i need to know how to, without a gui application, use the terminal to assign server eth0 a proper IP address, and tell the server to take the connection it has and share it through eth0 to supply internet for the last 2 computers via ethernet.i had it set up in this way with a windows machine being the one that had the wifi access, but i'd rather have it setup for the ubuntu server to do this task. security is imperative for these 3 remaining machines, so just getting 2 more wifi adapters for a connection to the initial router isn't an option.the 2 that connect to server do so through SSH and though server IS connected via wireless it only makes outward connections through
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Jun 17, 2010
My server has 2 network cards. I have SLES 10 SP2 installed on this server. I had configured Ethernet bonding on this machine using 2 NICs. Now I want to assign 2 different IP's to 2 different NICs. I am able to do this without any issue using yast. ifconfig command shows that eth0 has 192.168.1.10 and eth1 has 192.168.1.12. Rest all networking details are same (netmask, gateway, DNS)
Strange thing: When I unplug only eth0, (eth1 is plugged in correctly) I am not able to ping any IP.
If I unplug only eth1, (eth0 is plugged in) I am able to ping both IP's.
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Jul 29, 2009
I have connected my computer to network. Computers in network have dynamic ip address which is assigned by ADSL modem's DHCP. Besides this I want to have static IP address for same NIC. So is it possible to have both static and dynamic IP address for single NIC? If so how can I assign it using command and also in GUI?
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Nov 15, 2010
I have set up a cloud (Ubuntu) environment in my test lad and it's working fine I am confused setting up the public IP in the production environment. The cloud instance will get only a Internal IP address ( Private) we cannot bind the Public Ip to the cloud instance as it uses Elastic IP, so I am confused how can I set up this if I have about 250 Public Ip to 250 cloud instance. How will I map this 250 Public IP with the 250 internal IPs is there any hardware device.
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