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DRBD , Centos and unmount nfs resources

I have recently built a DRBD + Linux HA NFS cluster , part of the structure was to create a drbd disk resource and mount it on /var/lib/nfs. This allows to switch nfs over to the secondary node without getting “stale nfs handle” errors. Heartbeat was having a hardtime doing a clean umount of the [...]

Centos5: nfs clients get premission denied

While working on ny NFS cluster project , I could not mount my nfs exports from clients ( FreBSD & Centos ).
on the FreeBSD client I got these responses :
[udp] server:/data/dir1: Permission denied
on the CentOS client I got these responses:
mount: server:/data/dir1 failed, reason given by server: Permission denied
On the Centos NFS server the logs showed [...]

Install Dell Openmanage on CentOS 5.2

follow this link : Dell OMSA 5.5 Linux repository

Configure Resource on LVS cluster

To add an ip resource who’s a member of group “ip_group” create an xml file :

import the resource using : [...]

Remove pass-phrase prompt when loading apache-ssl

Somehow , I always forget this …
openssl rsa -in server.key -out server.pem
server.pem and server.key MUST be 0600 and owned by root !

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