2
votes
0answers
22 views

PIV authentication on redhat

I'm looking for a solution, or set of technologies, (etc) - for setting up a mixed (win 7, rhel 6.5) network with centralized login using smart cards (PIV). I know that this is possible using a ...
2
votes
1answer
101 views

Assign different Hostname to different NIC

I have four network card on my server, I have assigned each with an specific IP now I want to set an different hostname for all the interface? What is the difference between setting the hostname in ...
1
vote
2answers
94 views

Red hat reporting more NICs than are physically present

We just deployed several servers (hp dl360p g8), and after the initial boot we're noticing that none of the network devices are showing up as cabled. Ethtool shows no link anywhere. Even more weird is ...
0
votes
1answer
79 views

DNS resolution lost when starting sub-interface

I am starting a sub-interface off of my existing eth0, and its supposed to be an instant thing, so I'm trying to avoid using a config file. When I issue: ifconfig eth0:1 192.168.0.2 up The ...
0
votes
1answer
2k views

Sub-interface already in use on another host - brand new interface

I created a sub-interface on a RHEL box, eth0:1, and copied the eth0 config and changed all the settings to reflect eth0:1 and the IP address. However, when I issue ifup eth0:1 I receive this error: ...
-1
votes
2answers
187 views

Does this iptables output mean all traffic is allowed?

I am having problems running a program from a client to my RHEL box that uses a non-standard port and I am trying to track down where the communication problem is occurring. I'm starting at the ...
1
vote
1answer
234 views

Enable multicast on dummy interface on startup

I have a dummy interface on a Centos 6.3 machine which I would like to use for multicast traffic. The problem is it does not come up with the MULTICAST option by default; I need to manually add it ...
2
votes
1answer
171 views

Unable to connect to Internet in OEL5 guest even though I can ping machine from host machine

I have Oracle Enterprise Linux 5 as Guest on VirtualBox running on Windows 7 host using Bridged Network. I have being trying to configure a static IP on OEL5 VM Guest at work, as previously the VMs ...
3
votes
3answers
7k views

How to “restart” particular network interface on RHEL?

In RHEL, instead of using service network restart command, how can i restart a particular network interface, lets say "eth1", with only one command. "Only one command" because that is the only ...
1
vote
3answers
442 views

iptables blank after reboot

We've started encountering an issue with iptables on our RHEL 6.3 systems in that after a reboot, when the service starts, the rules are not loaded. We get the empty ruleset: [msnyder@matt-test ~]$ ...
-2
votes
5answers
1k views

Unable to ping Redhat 5.6 instance on vmware esx 5.1

I am running vmware esx 5.1 and I've created an instance of red hat 5.6 Desktop with a static ip address. When I restart the red hat guest I am able to ping it from another system but then as soon as ...
0
votes
0answers
95 views

Re-mapping a new IP address to existing mac address in dhcpd.conf not able to provide new IP address to client machine

I did a re-mapping of a MAC address to a different IP address in the dhcpd.conf file and restart the dhcpd service. Say initially it was like, host host1 { hardware ethernet 00:56:9D:5E:45:6D; ...
1
vote
1answer
1k views

Grab mac address using udev on RHEL?

Somehow the ifcfg script for eth0 and eth1 on my server has the same HWAddr in it: # Intel Corporation 82571EB Gigabit Ethernet Controller DEVICE=eth0 SLAVE=yes MASTER=bond0 HWADDR=00:1b:21:ac:ae:d2 ...
0
votes
1answer
68 views

Does Cloned VM use the same Hard Disk space of Guest?

if i clone a guest VM in RHEL6 does the clone use the same Hard disk space of the guest? The aim is not to, as each guest VM, cloned or the normal guest should have it own hard disk space allocated. ...
0
votes
1answer
4k views

how can i add new user in vnc viewer configuration file…?

I have problem to connect my remote redhat linux Server from my desktop pc having Microsoft xp OS using VNC Viewer.I can access the linux machine using vnc through root user with the command ...