RH/CentOS network configurations

[theBlueSage]

okay, scratch that, I figured out that pre-up sysctl -p simply performed
a /sbin/sysctl reread before bringing up the interface, si I have that
set and now unnecessary. 
Having said that, if anyone has got good info/tutorials on how to use
heartbeat/ldirectord in a Centos Environment I love to see them as this
is proving frustratingly undocumented. Centos, platypus-like as ever,
may look like Red Hat, but Red Hat it is not, especially when it comes
to LB/cluster work .. :(

Thank God I live in a state with good breweries !

Richard

On Tue, 2009-09-08 at 12:06 -0400, theBlueSage wrote:
> Hi All,
> 
> I trying to configure heartbeat-ldirectord on a pair of Centos boxes
> that form part of a mysql cluster. The cluster works and is totally
> happy. I am just trying to load balance the two SQL servers (APIs)
> 
> In the 'debian way' I can add the following line to a network
> interface :
> 
> #vi /etc/network/interfaces
> 
> auto lo:0
> iface lo:0 inet static
>   address 10.6.1.75
>   netmask 255.255.255.255
>   pre-up sysctl -p > /dev/null
> 
> however in RedHat/Centos when I edit the equivalent file and add the 'pre-up' line :
> 
> #vi /etc/sysconfig/network-scripts/ifcfg-lo:0
> 
>     DEVICE=lo:0
>     IPADDR=10.6.1.75
>     NETMASK=255.255.255.255
>     NETWORK=10.6.1.0
>     BROADCAST=10.6.1.255
>     ONBOOT=yes
>     pre-up sysctl -p > /dev/null
> 
> 
> I get a 'command not found' ....
> 
> IS there a way to do the pre-up in RH/Centos ? 
> 
> I also apologize in advance to the RedHat folks for lumping CentOS in with them. I have to use 
> it at work (at home I am a Debian fan) and although it is 'code from the upstream provider' it 
> doesnt always act in the same way as 'code from the upstream provider'. Also, RedHat docs don't 
> always apply to CentOS setups, and CentOs docs dont .... well they just dont, really.
> 
> in hope,
> 
> Richard
> 
> 
> 
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