Friday, June 22, 2012

Cobbler Install on CentOS 6.2

Cobbler - not the kind you put peaches in, this is an automated install tool

Here's the quick and dirty to get it installed and the web interface working:

  1. CentOS 6.2 install
    • Basic Server install option
    • as root, run "setenable 0" to turn selinux to permissive (without this, selinux caused me many headaches with the "cobbler check" command later)
    • as root, run "vi /etc/selinux/config" and change the SELINUX=enforcing to SELINUX=permissive.  This keeps it in permissive mode over reboots.
    • optional: set up a local user with wheel access, enable wheel sudo access, and set /etc/ssh/sshd_config with "PermitLocalRootLogin without-password"
  2. add EPEL repo
    1. point browser to:
    2. right-click, copy link
    3. on CentOS system (I connect through putty and change to root at this point), run
      • rpm -ivh <SHIFT+INSERT> (last two keys will paste the link from step 2)
  3. Install Cobbler
    1. yum -y install cobbler cobbler-web koan policycoreutils-python
    2. service cobblerd start
    3. service httpd start
    4. cobbler check
      1. resolve all reported issues (I had about 10)
  4. Configure Cobbler-Web
    1. see cobbler-web wiki page, just remember to try http if https fails
I think you might be able to skip step 3.4 and do that after step 4 if you'd like to have the web gui, since it is available there, but I don't know if you can resolve all the issues from there.

Kudos to Mike DeHaan for a really helpful config checker; wish all software came with something like that.

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