Howto RHEL 6

rhel

rhelThese howto guides show step-by-step examples and the tutorial how to install the software packages, how to troubleshoot the problem, how to fix errors, how to resolved issues and how to do things better, faster, efficiently and more easily on Redhat Enterprise Linux 6 (RHEL 6) Linux server.

1. How to Create the tar file then gzip the file on RHEL 6
2. How to Install Vsftpd Ftp Server on RHEL 6
3. How to Disable the SELinux on RHEL 6
4. How to Install Extra Repository for Redhat Enterprise Linux 6 (RHEL6)
5. How to Setup Local Yum Repository from CD-ROM/DVD-ROM image on RHEL 6
6. How to Change the Hostname on RHEL 6 Server

3 comments
  1. GG
    GG
    September 22, 2013 at 9:37 am

    I have been trying to make a route deletion permanent without success on this one server.
    eth0 is my default gateway.
    eth1 is the second interface.
    I added eth1:1 as the VIP.
    eth0 and eth1 are in 10.x.y.0 and 10.a.b.0 subnets.
    By adding eth1:1 a route gets added for 10.0.0.0/8
    This interferes with the routing for 10.x.y.0 network.
    I was able to persistently delete the route on one server.
    But on the secodn server I am unable to do so.
    Any ideas?

    Reply
    • GG
      GG
      September 22, 2013 at 10:24 am

      I checked again. Both the servers havr the same issue.

      under /etc/sysconfig/network-scripts

      IPV6INIT is in any of the ifcfg-eth* files

      [root@udblab1 network-scripts]# grep “10.0.0.0” *
      network-functions-ipv6: # test 10.0.0.0/8 (RFC 1918 / private)

      I am trying to figure out why is the system adding a route for 10.0.0.0/8?

      Reply
      • GG
        GG
        September 22, 2013 at 11:43 am

        Figured out the issue. I had not set the broadcast and netmask for the virtaul interface in the ifcfg file. Therfore the network service was adding the route to 10.0.0.0/8.

        Reply
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