Redhat Config Network Error
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Network Error, Unable To Connect To Server. Please See /var/log/rhsm/rhsm.log For More Information.
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Connections10.3. Establishing Connections10.3.1. Establishing a Wired (Ethernet) Connection10.3.2. Establishing a Wireless Connection10.3.3. Establishing a Mobile unable to verify server's identity: (104, 'connection reset by peer') Broadband Connection10.3.4. Establishing a VPN Connection10.3.5. Establishing subscription-manager error loading certificate a DSL Connection10.3.6. Establishing a Bond Connection10.3.7. Establishing a VLAN Connection10.3.8. Establishing
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an IP-over-InfiniBand (IPoIB) Connection10.3.9. Configuring Connection SettingsNext Chapter 10. NetworkManager10.1. The NetworkManager Daemon10.2. Interacting with NetworkManager10.2.1. Connecting to a Network10.2.2. Configuring New https://access.redhat.com/solutions/65300 and Editing Existing Connections10.2.3. Connecting to a Network Automatically10.2.4. User and System Connections10.3. Establishing Connections10.3.1. Establishing a Wired (Ethernet) Connection10.3.2. Establishing a Wireless Connection10.3.3. Establishing a Mobile Broadband Connection10.3.4. Establishing a VPN Connection10.3.5. Establishing a DSL Connection10.3.6. Establishing a Bond https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/ch-NetworkManager.html Connection10.3.7. Establishing a VLAN Connection10.3.8. Establishing an IP-over-InfiniBand (IPoIB) Connection10.3.9. Configuring Connection Settings NetworkManager is a dynamic network control and configuration system that attempts to keep network devices and connections up and active when they are available. NetworkManager consists of a core daemon, a GNOME Notification Area applet that provides network status information, and graphical configuration tools that can create, edit and remove connections and interfaces. NetworkManager can be used to configure the following types of connections: Ethernet, wireless, mobile broadband (such as cellular 3G), and DSL and PPPoE (Point-to-Point over Ethernet). In addition, NetworkManager allows for the configuration of network aliases, static routes, DNS information and VPN connections, as well as many connection-specific parameters. Finally, Ne
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start from scratch and pretend that nothing is configured at all. Log in as root. All the instructions given in this document assume you are logged in as root. The Linux kernel refers to your two ethernet cards as eth0 and eth1, so that is how I'll be referring to them from now on too. The trouble is, which one is which? Here's a "simple" way of figuring out, guaranteed to work at least 50% of the time: lay your computer on the desk with the motherboard horizontal and the back panel facing you (as you would if you were going to open it and do some work on it). The leftmost card is eth0 -- you might want to label it with some masking tape. Now, write down on a piece of paper the make and model of both eth0 and eth1. OK, let's see if eth0 and eth1 are recognized automatically by the kernel. Type ifconfig eth0 and ifconfig eth1. In both cases, if the kernel is recognizing your card, you should see something like this (bearing in mind that the numbers and whatnot will be different): eth0 Link encap: Ethernet HWaddr 00:60:67:4A:02:0A inet addr:0.0.0.0 Bcast:0.0.0.0 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:466 errors:0 dropped:0 overruns:0 frame:0 TX packets:448 errors:0 dropped:0 overruns:0 carrier:0 collisions:85 txqueuelen:100 Interrupt:10 Base address:0xe400 If the kernel is not recognizing your network card you will see something like this: eth0: error fetching interface information: Device not found. 3.1 Configuring a Network Driver If both of your cards were found, skip to the next section. Otherwise, read this section. OK, so one or both of your cards are not recognized by the kernel. This is not a problem, really. What we're going to have to do is tell the kernel more explicitly how to find your cards. There are lots of twists and turns here, and I'm not going to cover all of them. Remember, when the going gets tough, the tough turn to the Ethernet HOWTO. Here's some summary advice: You have a PCI network card. You are probably sitting pretty, assuming it is not so new and cutting edge that no drivers exist. You can often find out a great deal about your network cards (and other things) by reading through /proc/pci and noting down makes and models. You have an ISA network card. It is possible you will have to know the IO base address and the IRQ the card is operating on. You have manuals, right? Right? If not, this would be a good time to surf to the manufacturer's web site and see if they have any online references. Or if you have an old DOS configuration diskette, boot to DOS and see